BACKGROUND Tracheoesophageal fistula(TEF)is a congenital anomaly characterized by interruptions in esophageal continuity with or without fistulous communication to the trachea.Anesthetic management during TEF repair i...BACKGROUND Tracheoesophageal fistula(TEF)is a congenital anomaly characterized by interruptions in esophageal continuity with or without fistulous communication to the trachea.Anesthetic management during TEF repair is challenging because of the difficulty of perioperative airway management.It is important to determine the appropriate position of the endotracheal tube(ETT)for proper ventilation and to prevent excessive gastric dilatation.Therefore,the tip of the ETT should be placed immediately below the fistula and above the carina.CASE SUMMARY A full-term,one-day-old,2.4 kg,50 cm male neonate was diagnosed with TEF type C.During induction,an ETT was inserted using video laryngoscope and advanced deeply to ensure that the tip passed over the fistula,according to known strategies.The passage of the ETT through the vocal cords was confirmed via video laryngoscope.However,after inflating the ETT cuff,breath sounds were not heard on bilateral lung auscultation.Instead,gastric sounds were heard.Considering that a large fistula(approximately 6.60 mm×4.54 mm)located 10.2mm above the carina was confirmed on preoperative tracheal computed tomography,the possibility of unintentional esophageal intubation was highly suspected.Therefore,we decided to uncuff and withdraw the ETT carefully for repositioning,while monitoring auscultation and end-tidal CO2 simultaneously.At a certain point(9.5 cm from the lip),clear breath sounds and proper end-tidal CO_(2) readings were suddenly achieved,and adequate ventilation was possible.CONCLUSION Preanesthetic anatomical evaluation with imaging studies in TEF is necessary to minimize complications related to airway management.展开更多
Importance:Type D esophageal atresia(EA)with tracheoesophageal fistula(TEF)is characterized by EA with both proximal and distal TEFs.It is a rare congenital anomaly with a very low incidence.Objective:To investigate d...Importance:Type D esophageal atresia(EA)with tracheoesophageal fistula(TEF)is characterized by EA with both proximal and distal TEFs.It is a rare congenital anomaly with a very low incidence.Objective:To investigate diagnostic and treatment strategies for this rare condition.Methods:We retrospectively reviewed the clinicopathological features of patients with EA/TEF treated at our institution between January 2007 and September 2021.Results:Among 386 patients with EA/TEF,14(3.6%)had type D EA/TEF.Only two patients were diagnosed with proximal TEF preoperatively.Seven patients were diagnosed intraoperatively.Five patients were missed for diagnosis during the initial surgery but was later confirmed by bronchoscopy.During the neonatal period,seven patients underwent a one-stage repair of proximal and distal TEF via thoracoscopy or thoracotomy.Due to missed diagnosis and other reasons,the other 7 patients underwent two-stage surgery for repair of the proximal TEF,including cervical incision and thoracoscopy.Ten of the 14 patients experienced postoperative complications including anastomotic leakage,pneumothorax,esophageal stricture,and recurrence.Patients who underwent one-stage repair of distal and proximal TEF during the neonatal period showed a higher incidence of anastomotic leak(4/7).In contrast,only one of seven patients with two-stage repair of the proximal TEF developed an anastomotic leak.Interpretation:Type D EA/TEF is a rare condition,and proximal TEFs are easily missed.Bronchoscopy may aim to diagnose and determine the correct surgical approach.A cervical approach may be more suitable for repairing the proximal TEF.展开更多
BACKGROUND The magnetic compression technique has been used to establish an animal model of tracheoesophageal fistula(TEF),but the commonly shaped magnets present limitations of poor homogeneity of TEF and poor model ...BACKGROUND The magnetic compression technique has been used to establish an animal model of tracheoesophageal fistula(TEF),but the commonly shaped magnets present limitations of poor homogeneity of TEF and poor model control.We designed a Tshaped magnet system to overcome these problems and verified its effectiveness via animal experiments.AIM To investigate the effectiveness of a T-shaped magnet system for establishing a TEF model in beagle dogs.METHODS Twelve beagles were randomly assigned to groups in which magnets of the Tshaped scheme(study group,n=6)or normal magnets(control group,n=6)were implanted into the trachea and esophagus separately under gastroscopy.Operation time,operation success rate,and accidental injury were recorded.After operation,the presence and timing of cough and the time of magnet shedding were observed.Dogs in the control group were euthanized after X-ray and gastroscopy to confirm establishment of TEFs after coughing,and gross specimens of TEFs were obtained.Dogs in the study group were euthanized after X-ray and gastroscopy 2 wk after surgery,and gross specimens were obtained.Fistula size was measured in all animals,and then harvested fistula specimens were examined by hematoxylin and eosin(HE)and Masson trichrome staining.RESULTS The operation success rate was 100%for both groups.Operation time did not differ between the study group(5.25 min±1.29 min)and the control group(4.75 min±1.70 min;P=0.331).No bleeding,perforation,or unplanned magnet attraction occurred in any animal during the operation.In the early postoperative period,all dogs ate freely and were generally in good condition.Dogs in the control group had severe cough after drinking water at 6-9 d after surgery.X-ray indicated that the magnets had entered the stomach,and gastroscopy showed TEF formation.Gross specimens of TEFs from the control group showed the formation of fistulas with a diameter of 4.94 mm±1.29 mm(range,3.52-6.56 mm).HE and Masson trichrome staining showed scar tissue formation and hierarchical structural disorder at the fistulas.Dogs in the study group did not exhibit obvious coughing after surgery.X-ray examination 2 wk after surgery indicated fixed magnet positioning,and gastroscopy showed no change in magnet positioning.The magnets were removed using a snare under endoscopy,and TEF was observed.Gross specimens showed well-formed fistulas with a diameter of 6.11 mm±0.16 mm(range,5.92-6.36 mm),which exceeded that in the control group(P<0.001).Scar formation was observed on the internal surface of fistulas by HE and Masson trichrome staining,and the structure was more regular than that in the control group.CONCLUSION Use of the modified T-shaped magnet scheme is safe and feasible for establishing TEF and can achieve a more stable and uniform fistula size compared with ordinary magnets.Most importantly,this model offers better controllability,which improves the flexibility of follow-up studies.展开更多
BACKGROUND Previous studies have validated the efficacy of both magnetic compression and surgical techniques in creating rabbit tracheoesophageal fistula(TEF)models.Magnetic compression achieves a 100%success rate but...BACKGROUND Previous studies have validated the efficacy of both magnetic compression and surgical techniques in creating rabbit tracheoesophageal fistula(TEF)models.Magnetic compression achieves a 100%success rate but requires more time,while surgery,though less frequently successful,offers rapid model establishment and technical maturity in larger animal models.AIM To determine the optimal approach for rabbit disease modeling and refine the process.METHODS TEF models were created in 12 rabbits using both the modified magnetic compression technique and surgery.Comparisons of the time to model establishment,success rate,food and water intake,weight changes,activity levels,bronchoscopy findings,white blood cell counts,and biopsies were performed.In response to the failures encountered during modified magnetic compression modeling,we increased the sample size to 15 rabbit models and assessed the repeatability and stability of the models,comparing them with the original magnetic compression technique.RESULTS The modified magnetic compression technique achieved a 66.7%success rate,whereas the success rate of the surgery technique was 33.3%.Surviving surgical rabbits might not meet subsequent experimental requirements due to TEF-related inflammation.In the modified magnetic compression group,one rabbit died,possibly due to magnet corrosion,and another died from tracheal magnet obstruction.Similar events occurred during the second round of modified magnetic compression modeling,with one rabbit possibly succumbing to aggravated lung infection.The operation time of the first round of modified magnetic compression was 3.2±0.6 min,which was significantly reduced to 2.1±0.4 min in the second round,compared to both the first round and that of the original technique.CONCLUSION The modified magnetic compression technique exhibits lower stress responses,a simple procedure,a high success rate,and lower modeling costs,making it a more appropriate choice for constructing TEF models in rabbits.展开更多
Objective:To evaluate and analyze the application effect of tracheal stent placement in nutritional support therapy for tracheoesophageal fistula.Methods:Clinical data of 32 patients who underwent nutritional support ...Objective:To evaluate and analyze the application effect of tracheal stent placement in nutritional support therapy for tracheoesophageal fistula.Methods:Clinical data of 32 patients who underwent nutritional support therapy for tracheoesophageal fistula in our hospital from September 2021 to September 2022 were collected,and all patients underwent tracheal silicone stenting,comparing dyspnea classification and Karnofsky score before and after stenting,and conducting post-treatment follow-up.Results:In 32 patients with tracheoesophageal fistula,dyspnea grading improved from grades III and IV to grades 0 to II.Before treatment,10 patients(31.06%)were in grade IV,17 patients(53.12%)were in grade III,and five patients(15.62)were in grade II;after treatment,13 patients(40.63%)were in grade I,12 patients(37.50%)were in grade I,and seven patients(21.87%)were in grade 0(P<0.05);Karnofsky score(37.52±4.86 before treatment)improved significantly to 71.39±8.24 one week after treatment(P<0.05).Nine patients with tracheoesophageal fistula were placed with silicone Y14-10-10 stent,11 with silicone 18-14-14 stent,three with silicone Y15-12-12,and seven with silicone stent 16-13-13.Conclusion:Silicone tracheobronchial stent placement for the treatment of tracheoesophageal fistula is technically feasible,simple,and safe,with reliable near-term efficacy,and is worthy of popularization and application.展开更多
Tracheoesophageal fistula (TEF) or bronchoesophageal fistula may be congenital, inflammatory, neoplastic, or secondary to trauma. Congenital TEF or bronchoesophageal fistula is usually associated with esophageal atr...Tracheoesophageal fistula (TEF) or bronchoesophageal fistula may be congenital, inflammatory, neoplastic, or secondary to trauma. Congenital TEF or bronchoesophageal fistula is usually associated with esophageal atresia and is readily diagnosed in infancy. But if it is not associated with esophageal atresia, it may persist until adulthood. Some theories have been proposed to explain this delay in diagnosis. We present a case of a 70-year-old man with congenital TEF. The TEF was successfully diagnosed by multidetector-row CT esophagography.展开更多
BACKGROUND Female anorectal malformation is a correctable congenital defect.Delayed manifestations in patients with anal deformities are uncommon,especially after adolescence.CASE SUMMARY The clinical data of a 19-yea...BACKGROUND Female anorectal malformation is a correctable congenital defect.Delayed manifestations in patients with anal deformities are uncommon,especially after adolescence.CASE SUMMARY The clinical data of a 19-year-old adult female patient with congenital anal atresia accompanied by rectovestibular fistula as the main manifestation was retrospectively analyzed.Diagnosis was made based on the patient's clinical symptoms,signs,imaging showing the fistula,X-ray and magnetic resonance imaging results.The preoperative examination was improved.Anorectoplasty was performed.The patient exhibited an improvement in quality of life and presented no evidence of fecal incontinence during the 6-mo follow-up.CONCLUSION Transfistula anorectoplasty is a reasonable and reliable surgical method for the treatment of adult congenital anal atresia and rectovestibular fistula.展开更多
Primary non-Hodgkin lymphomas in the esophagus are rare. Tracheoesophageal fistulas mainly arise from solid esophageal carcinoma or mediastinal malignancies. Our patient presented with cough, dysphagia and weight loss...Primary non-Hodgkin lymphomas in the esophagus are rare. Tracheoesophageal fistulas mainly arise from solid esophageal carcinoma or mediastinal malignancies. Our patient presented with cough, dysphagia and weight loss, and upon initial computed tomography imaging and esophagogastroduodenoscopy, a malignant mass in the middle third of esophagus with tracheoesophageal fistula was found. The location of the mass and presence of malignant tracheoesophageal fistula were strongly suggestive of squamous cell carcinoma. However, tumor biopsy revealed diffuse large B-cell lymphoma. This case report details a rare incident of a primary diffuse large B-cell lymphoma presented as tracheoesophageal fistula and reviews previous literature.展开更多
Background: The management of infants (infs.) with esophageal atresia and tracheoesophageal fistula (EA ± TEF) is demanding and complex. The aim of this study was to evaluate early morbidity, the timing of surger...Background: The management of infants (infs.) with esophageal atresia and tracheoesophageal fistula (EA ± TEF) is demanding and complex. The aim of this study was to evaluate early morbidity, the timing of surgery, and the results of surgery. Patients and Method: We collected data of 30 consecutive infs. treated for EA ± TEF between 2006 and 2014. Results: The median gestational age was 38 weeks (12 preterm), and the median Birth Weight (BW) was 2660 g (4 infs. had a BW 1500 g). The median Apgar score at 10 minutes was 10 (range 7 - 10). The median umbilical artery pH (UapH) was 7.30. According to the Spitz classification, 19 infs. were group 1, 9 infs. were group 2, and 2 infs. were group 3. Surgical repair was performed in 29 cases (25 EA;4 isolated TEF). Once the infs. arrived at the pediatric surgery department, surgery was postponed overnight in 11 cases. The duration of postoperative (p.o.) mechanical ventilation was significantly shorter for operations performed on day 2 after delivery. Twenty-four infs. (83%) underwent surgery within 2 days after delivery, and 5 infs. had later surgery. Chest drains (p.o.) for pneumothorax were inserted in 6 infs. (21%), and gastrostomy was performed in 6 cases (21%). No re-thoracotomy was required. The median length of hospital stay was 17.5 days (6 to 120). The incidence of p.o. mortality was 1 in 29 (3%). Discussion: The majority of the infs. presented growth retardation (indicated by low birth weight) and a stable immediate postnatal course. The data from this study support the concept of early but not emergent surgery for the majority of infs. with EA ± TEF. However, a remarkable rate of perioperative morbidity must be taken into account. Conclusion: Surgery for EA ± TEF can be performed safely during the first postnatal days with exception of very unstable preterm infants.展开更多
BACKGROUND The protective effect of tracheal stents is reported to relieve airway obstruction and reduce side effects of rapid progression of malignant tracheoesophageal fistula(MTEF)after immunotherapy in this case w...BACKGROUND The protective effect of tracheal stents is reported to relieve airway obstruction and reduce side effects of rapid progression of malignant tracheoesophageal fistula(MTEF)after immunotherapy in this case with 10 mo follow-up.CASE SUMMARY Two kinds of silicone stents were placed in the main airway of a 58-year-old male to relieve the airway obstruction caused by advanced esophageal carcinoma.The patient then received four doses of toripalimab.Subsequently,rapid,progressive deterioration of the original fistula was found.Although the fistula enlarged rapidly after immunotherapy,it remained covered completely,and likely because of this,his condition remained stable.Therefore,immunotherapy could be continued to treat the primary tumor.Despite these efforts,the patient died of the advancement of his esophageal cancer.CONCLUSION Appropriately-sized tracheal stent placement combined with immune checkpoint inhibitors may improve the quality of life and survival of patients with MTEF.展开更多
BACKGROUND Total pharyngo-laryngo-esophagectomy with a reconstruction of gastric pull-up is the most common treatment method for patients with multiple primary upper digestive tract carcinomas,such as hypopharyngeal c...BACKGROUND Total pharyngo-laryngo-esophagectomy with a reconstruction of gastric pull-up is the most common treatment method for patients with multiple primary upper digestive tract carcinomas,such as hypopharyngeal carcinoma with thoracic esophageal carcinoma.However,neck circumferential defect and tracheoesophageal fistula after gastric necrosis are still challenging problems for surgeons and patients.CASE SUMMARY This case report presents 2 patients who underwent reconstructive surgeries using 4 local random flaps with a split thickness skin graft in the first case,and 6 local random flaps in the second case to close the circumferential defect and tracheoesophageal fistula after failed gastric pull-up.Both patients achieved good swallowing function and could take solid diet without dysphagia postoperatively.CONCLUSION For selected patients,local random flaps(with a split thickness skin graft)can be a simple and reliable solution for reconstructing tracheoesophageal fistula or cervical circumferential defect after gastric necrosis,especially when the necrosis extends below the thoracic inlet.展开更多
BACKGROUND Tracheoesophageal fistulas(TEFs)can be described as a pathological communication between the trachea and the esophagus.According to their origin,they may be classified as benign or malignant.Benign TEFs occ...BACKGROUND Tracheoesophageal fistulas(TEFs)can be described as a pathological communication between the trachea and the esophagus.According to their origin,they may be classified as benign or malignant.Benign TEFs occur mostly as a consequence of prolonged mechanical ventilation,particularly among patients exposed to endotracheal cuff overinflation.During the severe acute respiratory syndrome coronavirus 2 virus pandemic,the amount of patients requiring prolonged ventilation rose,which in turn increased the incidence of TEFs.CASE SUMMARY We report the cases of 14 patients with different comorbidities such as being overweight,or having been diagnosed with diabetes mellitus or systemic hypertension.The most common symptoms on arrival were dyspnea and cough.In all cases,the diagnosis of TEFs was made through upper endoscopy.Depending on the location and size of each fistula,either endoscopic or surgical treatment was provided.Eight patients were treated endoscopically.Successful closure of the defect was achieved through over the scope clips in two patients,while three of them required endoscopic metal stenting.A hemoclip was used to successfully treat one patient,and it was used temporarily for another patient pended surgery.Surgical treatment was performed in patients with failed endoscopic management,leading to successful defect correction.Two patients died before receiving corrective treatment and four died later on in their clinical course due to infectious complications.CONCLUSION The incidence of TEFs increased during the coronavirus disease 2019 pandemic(from 0.5%to 1.5%).We believe that endoscopic treatment should be considered as an option for this group of patients,since evidence reported in the literature is still a growing area.Therefore,we propose an algorithm to lead intervention in patients presenting with TEFs due to prolonged intubation.展开更多
Purpose: This study was performed to evaluate the management of tracheoesophageal fistula (TEF) ± esophageal atresia (EA) under the guidance of preoperative tracheo-bronchoscopy (TrSc). Methods: Between 2007 and ...Purpose: This study was performed to evaluate the management of tracheoesophageal fistula (TEF) ± esophageal atresia (EA) under the guidance of preoperative tracheo-bronchoscopy (TrSc). Methods: Between 2007 and July 2014, a total of 26 consecutive newborns who underwent rigid TrSc for suspected TEF were identified. All associated charts and operation reports were retrospectively analyzed. Results: Distal TEF with EA (Gross C) predominated (n = 18). Furthermore, we managed 2 infants with proximal and distal TEF (Gross D) and 4 infants with isolated TEF (Gross E). In our hands, TrSc was feasible in infants with a birth weight above 1300 g. Twenty-five fistulas were identified by endoscopy in 23 patients. In one infant with a birth weight below 1000 g, an attempt to perform TrSc was interrupted, and urgent TEF closure was required. Fistula site at the carina was associated with a high rate of esophageal anastomosis under tension. During surgery, proximal TEF and isolated TEF were safely approached via right cervicotomy (n =5). Conclusion: This study supports the routine use of rigid TrSc at the time of surgery. Rigid TrSc allowed the surgical team to identify the number and location of TEFs, and the incidence of side effects was low.展开更多
BACKGROUND Clinically,tracheoesophageal fistula(TEF)is lack of effective surgical strategies.One reason is due to the lack of appropriate animal models of acquired TEF,which is usually complex and difficult.Recently,t...BACKGROUND Clinically,tracheoesophageal fistula(TEF)is lack of effective surgical strategies.One reason is due to the lack of appropriate animal models of acquired TEF,which is usually complex and difficult.Recently,the magnetic compression technique has been applied for digestive tract anastomosis or vascular anastomosis in animals.In this study,an animal model of TEF in dogs was developed by using the magnetic compression technique,hoping to provide a new method for mimicking TEF.AIM To establish a TEF model in dogs by using the magnetic compression technique.METHODS Six male beagles were used as models with two Nd-Fe-B permanent magnets for TEF.The parent magnet and the daughter magnet were placed in the cervical esophagus and trachea,respectively.The anterior wall of the esophagus and the posterior wall of the trachea were compressed when the two magnets coupled.After 4-6 d,the necrotic tissue between the two magnets fell off and the parent and daughter magnets disengaged from the target location,leaving a fistula.Gastroscopy/bronchoscopy,upper gastrointestinal contrast study,and histological analysis were performed.RESULTS The establishment of the TEF model in all six beagles was successful.The average time of magnet placement was 4.33±1.11 min(range,3-7 min).Mean time for the magnets to disengage from the target location was 4.67±0.75 d(range,4-6 d).TEFs were observed by gastroscopy/bronchoscopy and esophageal angiography.The gross anatomical structure of the esophagus and the trachea was in good condition.There was no esophageal mucosa or pseudostratified ciliated columnar epithelium at the site of the fistula according to histological analysis.CONCLUSION It is simple,feasible,and minimally invasive to use the magnetic compression technique for the establishment of the TEF model in dogs.展开更多
AIM:To describe the characteristics of coronary artery fistulas(CAFs) in adults,including donor vessels and whether termination was cameral or vascular. METHODS:A PubMed search was performed for articles between 2000 ...AIM:To describe the characteristics of coronary artery fistulas(CAFs) in adults,including donor vessels and whether termination was cameral or vascular. METHODS:A PubMed search was performed for articles between 2000 and 2010 to describe the current characteristics of congenital CAFs in adults.A group of 304 adults was collected.Clinical data,presentations,diagnostic modalities,angiographic fistula findings and treatment strategies were gathered and analyzed.With regard to CAF origin,the subjects were tabulated into unilateral,bilateral or multilateral fistulas and compared.The group was stratified into two major subsets according to the mode of termination;coronary-cameral fistulas(CCFs) and coronary-vascular fistulas(CVFs) . A comparison was made between the two subsets. Fistula-related major complications[aneurysm formation,infective endocarditis(IE) ,myocardial infarction(MI) ,rupture,pericardial effusion(PE) and tamponade] were described.Coronary artery-ventricular multiple micro-fistulas and acquired CAFs were excluded as well as anomalous origin of the coronary arteries from the pulmonary artery(PA) . RESULTS:A total of 304 adult subjects(47%male) with congenital CAFs were included.The mean age was51.4 years(range,18-86 years) ,with 20%older than 65 years of age.Dyspnea(31%) ,chest pain(23%) and angina pectoris(21%) were the prevalent clinical presentations.Continuous cardiac murmur was heard in 82%of the subjects.Of the applied diagnostic modalities,chest X-ray showed an abnormal shadow in 4%of the subjects.The cornerstone in establishing the diagnosis was echocardiography(68%) ,and conventional contrast coronary angiography(97%) .However,multislice detector computed tomography was performed in 16%.The unilateral fistula originated from the left in 69%and from the right coronary artery in 31%of the subjects.Most patients(80%) had unilateral fistulas,18%presented with bilateral fistulas and 2%with multilateral fistulas.Termination into the PA was reported in unilateral(44%) ,bilateral(73%) and multilateral(75%) fistulas.Fistulas with multiple origins(bilateral and multilateral) terminated more frequently into the PA(29%) than into other sites(10.6%)(P=0.000) . Aneurysmal formation was found in 14%of all subjects.Spontaneous rupture,PE and tamponade were reported in 2%of all subjects.In CCFs,the mean age was 46.2 years whereas in CVFs mean age was 55.6 years(P=0.003) .IE(4%) was exclusively associated with CCFs,while MI(2%) was only found in subjects with CVFs.Surgical ligation was frequently chosen for unilateral(57%) ,bilateral(51%) and multilateral fistulas(66%) ,but percutaneous therapeutic embolization(PTE) was increasingly reported(23%,17%and 17%,respectively) . CONCLUSION:Congenital CAFs are currently detected in elderly patients.Bilateral fistulas are more frequently reported and PTE is more frequently applied as a therapeutic strategy in adults.展开更多
Arterioportal fistula(APF)is a rare cause of portal hypertension and may lead to death.APF can be congenital,post-traumatic,iatrogenic(transhepatic intervention or biopsy)or related to ruptured hepatic artery aneurysm...Arterioportal fistula(APF)is a rare cause of portal hypertension and may lead to death.APF can be congenital,post-traumatic,iatrogenic(transhepatic intervention or biopsy)or related to ruptured hepatic artery aneurysms.Congenital APF is a rare condition even in children.In this case report,we describe a 73-year-old woman diagnosed as APF by ultrasonography,computed tomography,and hepatic artery selective arteriography.The fistula was embolized twice but failed,and she still suffered from alimentary tract hemorrhage.Then,selective arteriography of the hepatic artery was performed again and venae coronaria ventriculi and short gastric vein were embolized.During the 2-year follow-up,the patient remained asymptomatic.We therefore argue that embolization of venae coronaria ventriculi and short gastric vein may be an effective treatment modality for intrahepatic APF with severe upper gastrointestinal bleeding.展开更多
AIM To assess the functionality of congenital coronary artery fistulas(CAFs) using adenosine stress ^(13)N-ammonia positron emission tomography computed tomography(PET-CT).METHODS Congenital CAFs were incidentally det...AIM To assess the functionality of congenital coronary artery fistulas(CAFs) using adenosine stress ^(13)N-ammonia positron emission tomography computed tomography(PET-CT).METHODS Congenital CAFs were incidentally detected during coronary angiography(CAG) procedures in 11 adult patients(six males and five females) with a mean age of 64.3 years(range 41-81). Patients were collected from three institutes in the Netherlands. The characteristics of the fistulas(origin, pathway and termination), multiplicity of the origins and pathways of the fistulous vessels were assessed by CAG. Five patients underwent adenosine pharmacologic stress ^(13)N-ammonia PET-CT to assess myocardial perfusion and the functional behavior of the fistula. RESULTS Eleven patients with 12 CAFs, 10 unilateral and one bilateral, originating from the left anterior descending coronary artery(n = 8), right coronary artery(n = 2) and circumflex(n = 2). All fistulas were of the vascular type, terminating into either the pulmonary artery(n = 11) or coronary sinus(n = 1). The CAG delineated the characteristics of the fistula(origin, pathway and termination). Multiplicity of the origins and pathways of the fistulous vessels were common in most fistulas(8/12, 67% and 9/12, 75%, respectively). Multiplicity was common among the different fistula components(23/36, 64%). Adenosine pharmacologic stress ^(13)N-ammonia PET-CT revealed normal myocardial perfusion and ejection fraction in all but one patient, who showed a reduced ejection fraction.CONCLUSION PET-CT may be helpful for assessing the functional status of congenital CAFs in selected patients regarding clinical decision-making. Studies with a larger patient series are warranted.展开更多
BACKGROUND Congenital intrahepatic arterioportal fistula(IAPF) is a rare vascular malformation in infants that causes severe portal hypertension(PH) with poor prognosis if untreated. Currently, radiological embolisati...BACKGROUND Congenital intrahepatic arterioportal fistula(IAPF) is a rare vascular malformation in infants that causes severe portal hypertension(PH) with poor prognosis if untreated. Currently, radiological embolisation is considered the first-line therapy for simple IAPF; however, it might be not resolutive for complex hepatic vascular lesions. When endovascular embolization is not sufficient to completely obliterate the IAPF, surgical intervention is needed, but it has been associated with severe morbidity and mortality in small children.Furthermore, indications are not defined.CASE SUMMARY We present the first case of a 6-month-old girl with trisomy 21 affected by a complex congenital IAFP, which caused severe PH, successfully treated with an endovascular-surgical hybrid procedure. The novel technique comprised a multistep endovascular embolisation, including a superselective transarterial embolisation of the afferent vessels and a direct transhepatic embolisation of the dilated portal vein segment, combined with selective surgical ligation of the arterial branches that supply the fistula, which were too small to be embolised.The complex IAPF was also associated with severe cholestasis and intra/extrahepatic biliary tree dilatation, which was successfully treated by a temporary biliary drainage. At 24-mo follow-up, the hybrid endovascularsurgical procedure achieved complete occlusion of the complex IAPF and resolution of the PH. A comprehensive review of the literature on congenital IAPF management, focussed on alternative treatment strategies, is also reported.CONCLUSION The combined radiological-surgical approach is a safe and effective treatment option for complex IAPF and avoids major invasive surgery.展开更多
Esophageal atresia (EA) occurs when the upper part of the esophagus does not connect with the lower part of esophagus and stomach. Tracheoesophageal fistula (TEF) is an abnormal connection between the upper part of th...Esophageal atresia (EA) occurs when the upper part of the esophagus does not connect with the lower part of esophagus and stomach. Tracheoesophageal fistula (TEF) is an abnormal connection between the upper part of the esophagus and the trachea. Treatment for esophageal atresia has advanced over several decades due to improvements in surgical techniques and neonatal intensive care. The aim is to share our experience regarding the treatment of esophageal atresia with tracheoesophageal fistula. A 4-day-old neonate suffering from esophageal atresia with type IIIB tracheoesophageal fistula underwent one stage esophageal reconstruction and obtained good outcome without any complications. In this paper, a simple intra-operative technique for tracheal fistula repair and end to end esophageal anastomosis is discussed. We used a simple technique that we have found useful for ligation of tracheal fistula. Anastomosis of lower and upper esophagus without any complication like anastomotic leakage or stricture/stenosis of the neonate with EA/TEF (type IIIB), was proved to be safe and effective.展开更多
Background:Coronary artery ectasia(CAE)complicated with concomitant congenital coronary artery fistula(CCAF)is rare.This study characterizes the clinical characteristics of CAE combining CCAF,and reports a single-inst...Background:Coronary artery ectasia(CAE)complicated with concomitant congenital coronary artery fistula(CCAF)is rare.This study characterizes the clinical characteristics of CAE combining CCAF,and reports a single-institution experience with surgical correction of CAE combining CCAF.Methods:A total of 24 symptomatic patients(8 males,median 52.5 years old)who underwent surgical correction of CAE combining CCAF in this center were reviewed.Based on the size of ectatic segment,the CAE were classified as a giant CAE(>20 mm,n=14)and a non-giant CAE(≤20 mm,n=10).Individualized surgical approaches were chosen.The patients were followed up for a median of 3.8 years.Results:The overwhelming majority of CAEs were solitary,and only 4.2%of CAEs were associated with multiple lesions.CAEs were predominantly located in the right coronary artery with predilection to women more than to men(2:1).95.8%of patients with the CCAF had single fistula defect.The right atrium was the most frequent drainage site(33.3%)followed by the left ventricle(25.0%).Surgical mortality was 4.2%.All 22 follow-up patients survived with recovery from symptoms and New York Heart Association(NYHA)functional class I-II.In 10 patients with non-giant CAEs undergoing closure of fistula alone,favorable in-hospital outcomes were recorded,but residual fistula(one patient)and acute inferior wall myocardial infarction related to intracoronary thrombosis(one patient)were observed at follow-up.In 11 patients with giant CAEs undergoing aneurysm resection plus distal bypass grafting at the time of closure of fistula,favorable in-hospital outcomes and encouraging midterm results were recorded.Additionally,in 3 patients with giant CAEs undergoing closure of fistula plus aneurysmal plication,adverse events occurred,including surgical death related to rupture of the ectatic segment(one patient),perioperative myocardial infarction caused by acute thromboembolism(one patient),nonfatal inferior wall myocardial infarction related to intracoronary thrombosis(one patient)at follow-up.Conclusion:Individualized surgical approaches based on the size and the location of ectatic coronary artery as well as fistula should be offered to symptomatic patients with CAE combining CCAF.展开更多
文摘BACKGROUND Tracheoesophageal fistula(TEF)is a congenital anomaly characterized by interruptions in esophageal continuity with or without fistulous communication to the trachea.Anesthetic management during TEF repair is challenging because of the difficulty of perioperative airway management.It is important to determine the appropriate position of the endotracheal tube(ETT)for proper ventilation and to prevent excessive gastric dilatation.Therefore,the tip of the ETT should be placed immediately below the fistula and above the carina.CASE SUMMARY A full-term,one-day-old,2.4 kg,50 cm male neonate was diagnosed with TEF type C.During induction,an ETT was inserted using video laryngoscope and advanced deeply to ensure that the tip passed over the fistula,according to known strategies.The passage of the ETT through the vocal cords was confirmed via video laryngoscope.However,after inflating the ETT cuff,breath sounds were not heard on bilateral lung auscultation.Instead,gastric sounds were heard.Considering that a large fistula(approximately 6.60 mm×4.54 mm)located 10.2mm above the carina was confirmed on preoperative tracheal computed tomography,the possibility of unintentional esophageal intubation was highly suspected.Therefore,we decided to uncuff and withdraw the ETT carefully for repositioning,while monitoring auscultation and end-tidal CO2 simultaneously.At a certain point(9.5 cm from the lip),clear breath sounds and proper end-tidal CO_(2) readings were suddenly achieved,and adequate ventilation was possible.CONCLUSION Preanesthetic anatomical evaluation with imaging studies in TEF is necessary to minimize complications related to airway management.
基金Natural Science Foundation of Jiangxi,China:Grant/Award Number:81660092Beijing Municipal Science&Technology Commission:Grant/Award Number:Z2102921062。
文摘Importance:Type D esophageal atresia(EA)with tracheoesophageal fistula(TEF)is characterized by EA with both proximal and distal TEFs.It is a rare congenital anomaly with a very low incidence.Objective:To investigate diagnostic and treatment strategies for this rare condition.Methods:We retrospectively reviewed the clinicopathological features of patients with EA/TEF treated at our institution between January 2007 and September 2021.Results:Among 386 patients with EA/TEF,14(3.6%)had type D EA/TEF.Only two patients were diagnosed with proximal TEF preoperatively.Seven patients were diagnosed intraoperatively.Five patients were missed for diagnosis during the initial surgery but was later confirmed by bronchoscopy.During the neonatal period,seven patients underwent a one-stage repair of proximal and distal TEF via thoracoscopy or thoracotomy.Due to missed diagnosis and other reasons,the other 7 patients underwent two-stage surgery for repair of the proximal TEF,including cervical incision and thoracoscopy.Ten of the 14 patients experienced postoperative complications including anastomotic leakage,pneumothorax,esophageal stricture,and recurrence.Patients who underwent one-stage repair of distal and proximal TEF during the neonatal period showed a higher incidence of anastomotic leak(4/7).In contrast,only one of seven patients with two-stage repair of the proximal TEF developed an anastomotic leak.Interpretation:Type D EA/TEF is a rare condition,and proximal TEFs are easily missed.Bronchoscopy may aim to diagnose and determine the correct surgical approach.A cervical approach may be more suitable for repairing the proximal TEF.
基金Supported by the Key Research&Development Program of Shaanxi Province of China,No.2024SF-YBXM-447Institutional Foundation of The First Affiliated Hospital of Xi’an Jiaotong University,No.2022MS-07+1 种基金Fundamental Research Funds for the Central Universities,No.xzy022023068Natural Science Foundation of Shaanxi Province,No.2023-JC-QN-0814.
文摘BACKGROUND The magnetic compression technique has been used to establish an animal model of tracheoesophageal fistula(TEF),but the commonly shaped magnets present limitations of poor homogeneity of TEF and poor model control.We designed a Tshaped magnet system to overcome these problems and verified its effectiveness via animal experiments.AIM To investigate the effectiveness of a T-shaped magnet system for establishing a TEF model in beagle dogs.METHODS Twelve beagles were randomly assigned to groups in which magnets of the Tshaped scheme(study group,n=6)or normal magnets(control group,n=6)were implanted into the trachea and esophagus separately under gastroscopy.Operation time,operation success rate,and accidental injury were recorded.After operation,the presence and timing of cough and the time of magnet shedding were observed.Dogs in the control group were euthanized after X-ray and gastroscopy to confirm establishment of TEFs after coughing,and gross specimens of TEFs were obtained.Dogs in the study group were euthanized after X-ray and gastroscopy 2 wk after surgery,and gross specimens were obtained.Fistula size was measured in all animals,and then harvested fistula specimens were examined by hematoxylin and eosin(HE)and Masson trichrome staining.RESULTS The operation success rate was 100%for both groups.Operation time did not differ between the study group(5.25 min±1.29 min)and the control group(4.75 min±1.70 min;P=0.331).No bleeding,perforation,or unplanned magnet attraction occurred in any animal during the operation.In the early postoperative period,all dogs ate freely and were generally in good condition.Dogs in the control group had severe cough after drinking water at 6-9 d after surgery.X-ray indicated that the magnets had entered the stomach,and gastroscopy showed TEF formation.Gross specimens of TEFs from the control group showed the formation of fistulas with a diameter of 4.94 mm±1.29 mm(range,3.52-6.56 mm).HE and Masson trichrome staining showed scar tissue formation and hierarchical structural disorder at the fistulas.Dogs in the study group did not exhibit obvious coughing after surgery.X-ray examination 2 wk after surgery indicated fixed magnet positioning,and gastroscopy showed no change in magnet positioning.The magnets were removed using a snare under endoscopy,and TEF was observed.Gross specimens showed well-formed fistulas with a diameter of 6.11 mm±0.16 mm(range,5.92-6.36 mm),which exceeded that in the control group(P<0.001).Scar formation was observed on the internal surface of fistulas by HE and Masson trichrome staining,and the structure was more regular than that in the control group.CONCLUSION Use of the modified T-shaped magnet scheme is safe and feasible for establishing TEF and can achieve a more stable and uniform fistula size compared with ordinary magnets.Most importantly,this model offers better controllability,which improves the flexibility of follow-up studies.
基金Independent Scientific Research Project for Graduate Students of Beijing University of Chinese Medicine(2023),No.ZJKT2023020.
文摘BACKGROUND Previous studies have validated the efficacy of both magnetic compression and surgical techniques in creating rabbit tracheoesophageal fistula(TEF)models.Magnetic compression achieves a 100%success rate but requires more time,while surgery,though less frequently successful,offers rapid model establishment and technical maturity in larger animal models.AIM To determine the optimal approach for rabbit disease modeling and refine the process.METHODS TEF models were created in 12 rabbits using both the modified magnetic compression technique and surgery.Comparisons of the time to model establishment,success rate,food and water intake,weight changes,activity levels,bronchoscopy findings,white blood cell counts,and biopsies were performed.In response to the failures encountered during modified magnetic compression modeling,we increased the sample size to 15 rabbit models and assessed the repeatability and stability of the models,comparing them with the original magnetic compression technique.RESULTS The modified magnetic compression technique achieved a 66.7%success rate,whereas the success rate of the surgery technique was 33.3%.Surviving surgical rabbits might not meet subsequent experimental requirements due to TEF-related inflammation.In the modified magnetic compression group,one rabbit died,possibly due to magnet corrosion,and another died from tracheal magnet obstruction.Similar events occurred during the second round of modified magnetic compression modeling,with one rabbit possibly succumbing to aggravated lung infection.The operation time of the first round of modified magnetic compression was 3.2±0.6 min,which was significantly reduced to 2.1±0.4 min in the second round,compared to both the first round and that of the original technique.CONCLUSION The modified magnetic compression technique exhibits lower stress responses,a simple procedure,a high success rate,and lower modeling costs,making it a more appropriate choice for constructing TEF models in rabbits.
文摘Objective:To evaluate and analyze the application effect of tracheal stent placement in nutritional support therapy for tracheoesophageal fistula.Methods:Clinical data of 32 patients who underwent nutritional support therapy for tracheoesophageal fistula in our hospital from September 2021 to September 2022 were collected,and all patients underwent tracheal silicone stenting,comparing dyspnea classification and Karnofsky score before and after stenting,and conducting post-treatment follow-up.Results:In 32 patients with tracheoesophageal fistula,dyspnea grading improved from grades III and IV to grades 0 to II.Before treatment,10 patients(31.06%)were in grade IV,17 patients(53.12%)were in grade III,and five patients(15.62)were in grade II;after treatment,13 patients(40.63%)were in grade I,12 patients(37.50%)were in grade I,and seven patients(21.87%)were in grade 0(P<0.05);Karnofsky score(37.52±4.86 before treatment)improved significantly to 71.39±8.24 one week after treatment(P<0.05).Nine patients with tracheoesophageal fistula were placed with silicone Y14-10-10 stent,11 with silicone 18-14-14 stent,three with silicone Y15-12-12,and seven with silicone stent 16-13-13.Conclusion:Silicone tracheobronchial stent placement for the treatment of tracheoesophageal fistula is technically feasible,simple,and safe,with reliable near-term efficacy,and is worthy of popularization and application.
文摘Tracheoesophageal fistula (TEF) or bronchoesophageal fistula may be congenital, inflammatory, neoplastic, or secondary to trauma. Congenital TEF or bronchoesophageal fistula is usually associated with esophageal atresia and is readily diagnosed in infancy. But if it is not associated with esophageal atresia, it may persist until adulthood. Some theories have been proposed to explain this delay in diagnosis. We present a case of a 70-year-old man with congenital TEF. The TEF was successfully diagnosed by multidetector-row CT esophagography.
文摘BACKGROUND Female anorectal malformation is a correctable congenital defect.Delayed manifestations in patients with anal deformities are uncommon,especially after adolescence.CASE SUMMARY The clinical data of a 19-year-old adult female patient with congenital anal atresia accompanied by rectovestibular fistula as the main manifestation was retrospectively analyzed.Diagnosis was made based on the patient's clinical symptoms,signs,imaging showing the fistula,X-ray and magnetic resonance imaging results.The preoperative examination was improved.Anorectoplasty was performed.The patient exhibited an improvement in quality of life and presented no evidence of fecal incontinence during the 6-mo follow-up.CONCLUSION Transfistula anorectoplasty is a reasonable and reliable surgical method for the treatment of adult congenital anal atresia and rectovestibular fistula.
文摘Primary non-Hodgkin lymphomas in the esophagus are rare. Tracheoesophageal fistulas mainly arise from solid esophageal carcinoma or mediastinal malignancies. Our patient presented with cough, dysphagia and weight loss, and upon initial computed tomography imaging and esophagogastroduodenoscopy, a malignant mass in the middle third of esophagus with tracheoesophageal fistula was found. The location of the mass and presence of malignant tracheoesophageal fistula were strongly suggestive of squamous cell carcinoma. However, tumor biopsy revealed diffuse large B-cell lymphoma. This case report details a rare incident of a primary diffuse large B-cell lymphoma presented as tracheoesophageal fistula and reviews previous literature.
文摘Background: The management of infants (infs.) with esophageal atresia and tracheoesophageal fistula (EA ± TEF) is demanding and complex. The aim of this study was to evaluate early morbidity, the timing of surgery, and the results of surgery. Patients and Method: We collected data of 30 consecutive infs. treated for EA ± TEF between 2006 and 2014. Results: The median gestational age was 38 weeks (12 preterm), and the median Birth Weight (BW) was 2660 g (4 infs. had a BW 1500 g). The median Apgar score at 10 minutes was 10 (range 7 - 10). The median umbilical artery pH (UapH) was 7.30. According to the Spitz classification, 19 infs. were group 1, 9 infs. were group 2, and 2 infs. were group 3. Surgical repair was performed in 29 cases (25 EA;4 isolated TEF). Once the infs. arrived at the pediatric surgery department, surgery was postponed overnight in 11 cases. The duration of postoperative (p.o.) mechanical ventilation was significantly shorter for operations performed on day 2 after delivery. Twenty-four infs. (83%) underwent surgery within 2 days after delivery, and 5 infs. had later surgery. Chest drains (p.o.) for pneumothorax were inserted in 6 infs. (21%), and gastrostomy was performed in 6 cases (21%). No re-thoracotomy was required. The median length of hospital stay was 17.5 days (6 to 120). The incidence of p.o. mortality was 1 in 29 (3%). Discussion: The majority of the infs. presented growth retardation (indicated by low birth weight) and a stable immediate postnatal course. The data from this study support the concept of early but not emergent surgery for the majority of infs. with EA ± TEF. However, a remarkable rate of perioperative morbidity must be taken into account. Conclusion: Surgery for EA ± TEF can be performed safely during the first postnatal days with exception of very unstable preterm infants.
基金Supported by National Natural Science Foundation of China,No. 81973784
文摘BACKGROUND The protective effect of tracheal stents is reported to relieve airway obstruction and reduce side effects of rapid progression of malignant tracheoesophageal fistula(MTEF)after immunotherapy in this case with 10 mo follow-up.CASE SUMMARY Two kinds of silicone stents were placed in the main airway of a 58-year-old male to relieve the airway obstruction caused by advanced esophageal carcinoma.The patient then received four doses of toripalimab.Subsequently,rapid,progressive deterioration of the original fistula was found.Although the fistula enlarged rapidly after immunotherapy,it remained covered completely,and likely because of this,his condition remained stable.Therefore,immunotherapy could be continued to treat the primary tumor.Despite these efforts,the patient died of the advancement of his esophageal cancer.CONCLUSION Appropriately-sized tracheal stent placement combined with immune checkpoint inhibitors may improve the quality of life and survival of patients with MTEF.
文摘BACKGROUND Total pharyngo-laryngo-esophagectomy with a reconstruction of gastric pull-up is the most common treatment method for patients with multiple primary upper digestive tract carcinomas,such as hypopharyngeal carcinoma with thoracic esophageal carcinoma.However,neck circumferential defect and tracheoesophageal fistula after gastric necrosis are still challenging problems for surgeons and patients.CASE SUMMARY This case report presents 2 patients who underwent reconstructive surgeries using 4 local random flaps with a split thickness skin graft in the first case,and 6 local random flaps in the second case to close the circumferential defect and tracheoesophageal fistula after failed gastric pull-up.Both patients achieved good swallowing function and could take solid diet without dysphagia postoperatively.CONCLUSION For selected patients,local random flaps(with a split thickness skin graft)can be a simple and reliable solution for reconstructing tracheoesophageal fistula or cervical circumferential defect after gastric necrosis,especially when the necrosis extends below the thoracic inlet.
文摘BACKGROUND Tracheoesophageal fistulas(TEFs)can be described as a pathological communication between the trachea and the esophagus.According to their origin,they may be classified as benign or malignant.Benign TEFs occur mostly as a consequence of prolonged mechanical ventilation,particularly among patients exposed to endotracheal cuff overinflation.During the severe acute respiratory syndrome coronavirus 2 virus pandemic,the amount of patients requiring prolonged ventilation rose,which in turn increased the incidence of TEFs.CASE SUMMARY We report the cases of 14 patients with different comorbidities such as being overweight,or having been diagnosed with diabetes mellitus or systemic hypertension.The most common symptoms on arrival were dyspnea and cough.In all cases,the diagnosis of TEFs was made through upper endoscopy.Depending on the location and size of each fistula,either endoscopic or surgical treatment was provided.Eight patients were treated endoscopically.Successful closure of the defect was achieved through over the scope clips in two patients,while three of them required endoscopic metal stenting.A hemoclip was used to successfully treat one patient,and it was used temporarily for another patient pended surgery.Surgical treatment was performed in patients with failed endoscopic management,leading to successful defect correction.Two patients died before receiving corrective treatment and four died later on in their clinical course due to infectious complications.CONCLUSION The incidence of TEFs increased during the coronavirus disease 2019 pandemic(from 0.5%to 1.5%).We believe that endoscopic treatment should be considered as an option for this group of patients,since evidence reported in the literature is still a growing area.Therefore,we propose an algorithm to lead intervention in patients presenting with TEFs due to prolonged intubation.
文摘Purpose: This study was performed to evaluate the management of tracheoesophageal fistula (TEF) ± esophageal atresia (EA) under the guidance of preoperative tracheo-bronchoscopy (TrSc). Methods: Between 2007 and July 2014, a total of 26 consecutive newborns who underwent rigid TrSc for suspected TEF were identified. All associated charts and operation reports were retrospectively analyzed. Results: Distal TEF with EA (Gross C) predominated (n = 18). Furthermore, we managed 2 infants with proximal and distal TEF (Gross D) and 4 infants with isolated TEF (Gross E). In our hands, TrSc was feasible in infants with a birth weight above 1300 g. Twenty-five fistulas were identified by endoscopy in 23 patients. In one infant with a birth weight below 1000 g, an attempt to perform TrSc was interrupted, and urgent TEF closure was required. Fistula site at the carina was associated with a high rate of esophageal anastomosis under tension. During surgery, proximal TEF and isolated TEF were safely approached via right cervicotomy (n =5). Conclusion: This study supports the routine use of rigid TrSc at the time of surgery. Rigid TrSc allowed the surgical team to identify the number and location of TEFs, and the incidence of side effects was low.
基金Supported by the National Natural Science Foundation of China,No.81700545the Natural Science Basic Research Plan of Shaanxi Province of China,No.2017JQ8021the Fundamental Research Funds for the Central Universities,No.xjj2018jchz14
文摘BACKGROUND Clinically,tracheoesophageal fistula(TEF)is lack of effective surgical strategies.One reason is due to the lack of appropriate animal models of acquired TEF,which is usually complex and difficult.Recently,the magnetic compression technique has been applied for digestive tract anastomosis or vascular anastomosis in animals.In this study,an animal model of TEF in dogs was developed by using the magnetic compression technique,hoping to provide a new method for mimicking TEF.AIM To establish a TEF model in dogs by using the magnetic compression technique.METHODS Six male beagles were used as models with two Nd-Fe-B permanent magnets for TEF.The parent magnet and the daughter magnet were placed in the cervical esophagus and trachea,respectively.The anterior wall of the esophagus and the posterior wall of the trachea were compressed when the two magnets coupled.After 4-6 d,the necrotic tissue between the two magnets fell off and the parent and daughter magnets disengaged from the target location,leaving a fistula.Gastroscopy/bronchoscopy,upper gastrointestinal contrast study,and histological analysis were performed.RESULTS The establishment of the TEF model in all six beagles was successful.The average time of magnet placement was 4.33±1.11 min(range,3-7 min).Mean time for the magnets to disengage from the target location was 4.67±0.75 d(range,4-6 d).TEFs were observed by gastroscopy/bronchoscopy and esophageal angiography.The gross anatomical structure of the esophagus and the trachea was in good condition.There was no esophageal mucosa or pseudostratified ciliated columnar epithelium at the site of the fistula according to histological analysis.CONCLUSION It is simple,feasible,and minimally invasive to use the magnetic compression technique for the establishment of the TEF model in dogs.
文摘AIM:To describe the characteristics of coronary artery fistulas(CAFs) in adults,including donor vessels and whether termination was cameral or vascular. METHODS:A PubMed search was performed for articles between 2000 and 2010 to describe the current characteristics of congenital CAFs in adults.A group of 304 adults was collected.Clinical data,presentations,diagnostic modalities,angiographic fistula findings and treatment strategies were gathered and analyzed.With regard to CAF origin,the subjects were tabulated into unilateral,bilateral or multilateral fistulas and compared.The group was stratified into two major subsets according to the mode of termination;coronary-cameral fistulas(CCFs) and coronary-vascular fistulas(CVFs) . A comparison was made between the two subsets. Fistula-related major complications[aneurysm formation,infective endocarditis(IE) ,myocardial infarction(MI) ,rupture,pericardial effusion(PE) and tamponade] were described.Coronary artery-ventricular multiple micro-fistulas and acquired CAFs were excluded as well as anomalous origin of the coronary arteries from the pulmonary artery(PA) . RESULTS:A total of 304 adult subjects(47%male) with congenital CAFs were included.The mean age was51.4 years(range,18-86 years) ,with 20%older than 65 years of age.Dyspnea(31%) ,chest pain(23%) and angina pectoris(21%) were the prevalent clinical presentations.Continuous cardiac murmur was heard in 82%of the subjects.Of the applied diagnostic modalities,chest X-ray showed an abnormal shadow in 4%of the subjects.The cornerstone in establishing the diagnosis was echocardiography(68%) ,and conventional contrast coronary angiography(97%) .However,multislice detector computed tomography was performed in 16%.The unilateral fistula originated from the left in 69%and from the right coronary artery in 31%of the subjects.Most patients(80%) had unilateral fistulas,18%presented with bilateral fistulas and 2%with multilateral fistulas.Termination into the PA was reported in unilateral(44%) ,bilateral(73%) and multilateral(75%) fistulas.Fistulas with multiple origins(bilateral and multilateral) terminated more frequently into the PA(29%) than into other sites(10.6%)(P=0.000) . Aneurysmal formation was found in 14%of all subjects.Spontaneous rupture,PE and tamponade were reported in 2%of all subjects.In CCFs,the mean age was 46.2 years whereas in CVFs mean age was 55.6 years(P=0.003) .IE(4%) was exclusively associated with CCFs,while MI(2%) was only found in subjects with CVFs.Surgical ligation was frequently chosen for unilateral(57%) ,bilateral(51%) and multilateral fistulas(66%) ,but percutaneous therapeutic embolization(PTE) was increasingly reported(23%,17%and 17%,respectively) . CONCLUSION:Congenital CAFs are currently detected in elderly patients.Bilateral fistulas are more frequently reported and PTE is more frequently applied as a therapeutic strategy in adults.
文摘Arterioportal fistula(APF)is a rare cause of portal hypertension and may lead to death.APF can be congenital,post-traumatic,iatrogenic(transhepatic intervention or biopsy)or related to ruptured hepatic artery aneurysms.Congenital APF is a rare condition even in children.In this case report,we describe a 73-year-old woman diagnosed as APF by ultrasonography,computed tomography,and hepatic artery selective arteriography.The fistula was embolized twice but failed,and she still suffered from alimentary tract hemorrhage.Then,selective arteriography of the hepatic artery was performed again and venae coronaria ventriculi and short gastric vein were embolized.During the 2-year follow-up,the patient remained asymptomatic.We therefore argue that embolization of venae coronaria ventriculi and short gastric vein may be an effective treatment modality for intrahepatic APF with severe upper gastrointestinal bleeding.
文摘AIM To assess the functionality of congenital coronary artery fistulas(CAFs) using adenosine stress ^(13)N-ammonia positron emission tomography computed tomography(PET-CT).METHODS Congenital CAFs were incidentally detected during coronary angiography(CAG) procedures in 11 adult patients(six males and five females) with a mean age of 64.3 years(range 41-81). Patients were collected from three institutes in the Netherlands. The characteristics of the fistulas(origin, pathway and termination), multiplicity of the origins and pathways of the fistulous vessels were assessed by CAG. Five patients underwent adenosine pharmacologic stress ^(13)N-ammonia PET-CT to assess myocardial perfusion and the functional behavior of the fistula. RESULTS Eleven patients with 12 CAFs, 10 unilateral and one bilateral, originating from the left anterior descending coronary artery(n = 8), right coronary artery(n = 2) and circumflex(n = 2). All fistulas were of the vascular type, terminating into either the pulmonary artery(n = 11) or coronary sinus(n = 1). The CAG delineated the characteristics of the fistula(origin, pathway and termination). Multiplicity of the origins and pathways of the fistulous vessels were common in most fistulas(8/12, 67% and 9/12, 75%, respectively). Multiplicity was common among the different fistula components(23/36, 64%). Adenosine pharmacologic stress ^(13)N-ammonia PET-CT revealed normal myocardial perfusion and ejection fraction in all but one patient, who showed a reduced ejection fraction.CONCLUSION PET-CT may be helpful for assessing the functional status of congenital CAFs in selected patients regarding clinical decision-making. Studies with a larger patient series are warranted.
文摘BACKGROUND Congenital intrahepatic arterioportal fistula(IAPF) is a rare vascular malformation in infants that causes severe portal hypertension(PH) with poor prognosis if untreated. Currently, radiological embolisation is considered the first-line therapy for simple IAPF; however, it might be not resolutive for complex hepatic vascular lesions. When endovascular embolization is not sufficient to completely obliterate the IAPF, surgical intervention is needed, but it has been associated with severe morbidity and mortality in small children.Furthermore, indications are not defined.CASE SUMMARY We present the first case of a 6-month-old girl with trisomy 21 affected by a complex congenital IAFP, which caused severe PH, successfully treated with an endovascular-surgical hybrid procedure. The novel technique comprised a multistep endovascular embolisation, including a superselective transarterial embolisation of the afferent vessels and a direct transhepatic embolisation of the dilated portal vein segment, combined with selective surgical ligation of the arterial branches that supply the fistula, which were too small to be embolised.The complex IAPF was also associated with severe cholestasis and intra/extrahepatic biliary tree dilatation, which was successfully treated by a temporary biliary drainage. At 24-mo follow-up, the hybrid endovascularsurgical procedure achieved complete occlusion of the complex IAPF and resolution of the PH. A comprehensive review of the literature on congenital IAPF management, focussed on alternative treatment strategies, is also reported.CONCLUSION The combined radiological-surgical approach is a safe and effective treatment option for complex IAPF and avoids major invasive surgery.
文摘Esophageal atresia (EA) occurs when the upper part of the esophagus does not connect with the lower part of esophagus and stomach. Tracheoesophageal fistula (TEF) is an abnormal connection between the upper part of the esophagus and the trachea. Treatment for esophageal atresia has advanced over several decades due to improvements in surgical techniques and neonatal intensive care. The aim is to share our experience regarding the treatment of esophageal atresia with tracheoesophageal fistula. A 4-day-old neonate suffering from esophageal atresia with type IIIB tracheoesophageal fistula underwent one stage esophageal reconstruction and obtained good outcome without any complications. In this paper, a simple intra-operative technique for tracheal fistula repair and end to end esophageal anastomosis is discussed. We used a simple technique that we have found useful for ligation of tracheal fistula. Anastomosis of lower and upper esophagus without any complication like anastomotic leakage or stricture/stenosis of the neonate with EA/TEF (type IIIB), was proved to be safe and effective.
基金This study was supported by a grant from National Natural Science Foundation of China(No.81100140).
文摘Background:Coronary artery ectasia(CAE)complicated with concomitant congenital coronary artery fistula(CCAF)is rare.This study characterizes the clinical characteristics of CAE combining CCAF,and reports a single-institution experience with surgical correction of CAE combining CCAF.Methods:A total of 24 symptomatic patients(8 males,median 52.5 years old)who underwent surgical correction of CAE combining CCAF in this center were reviewed.Based on the size of ectatic segment,the CAE were classified as a giant CAE(>20 mm,n=14)and a non-giant CAE(≤20 mm,n=10).Individualized surgical approaches were chosen.The patients were followed up for a median of 3.8 years.Results:The overwhelming majority of CAEs were solitary,and only 4.2%of CAEs were associated with multiple lesions.CAEs were predominantly located in the right coronary artery with predilection to women more than to men(2:1).95.8%of patients with the CCAF had single fistula defect.The right atrium was the most frequent drainage site(33.3%)followed by the left ventricle(25.0%).Surgical mortality was 4.2%.All 22 follow-up patients survived with recovery from symptoms and New York Heart Association(NYHA)functional class I-II.In 10 patients with non-giant CAEs undergoing closure of fistula alone,favorable in-hospital outcomes were recorded,but residual fistula(one patient)and acute inferior wall myocardial infarction related to intracoronary thrombosis(one patient)were observed at follow-up.In 11 patients with giant CAEs undergoing aneurysm resection plus distal bypass grafting at the time of closure of fistula,favorable in-hospital outcomes and encouraging midterm results were recorded.Additionally,in 3 patients with giant CAEs undergoing closure of fistula plus aneurysmal plication,adverse events occurred,including surgical death related to rupture of the ectatic segment(one patient),perioperative myocardial infarction caused by acute thromboembolism(one patient),nonfatal inferior wall myocardial infarction related to intracoronary thrombosis(one patient)at follow-up.Conclusion:Individualized surgical approaches based on the size and the location of ectatic coronary artery as well as fistula should be offered to symptomatic patients with CAE combining CCAF.