Complication rates after direct anterior vs posterior approach for hip hemiarthroplasty in elderly individuals with femoral neck fractures

BACKGROUND Dislocation rates after hemiarthroplasty reportedly vary from 1%to 17%.This serious complication is associated with increased morbidity and mortality rates.Approaches to this surgery are still debated,with no consensus regarding the superiority of any single approach.AIM To compare early postoperative complications after implementing the direct anterior and posterior approaches(PL)for hip hemiarthroplasty after femoral neck fractures.METHODS This is a comparative,retrospective,single-center cohort study conducted at a university hospital.Between March 2008 and December 2018,273 patients(a total of 280 hips)underwent bipolar hemiarthroplasties(n=280)for displaced femoral neck fractures using either the PL(n=171)or the minimally invasive direct anterior approach(DAA)(n=109).The choice of approach was related to the surgeons’practices;the implant types were similar and unrelated to the approach.Dislocation rates and other complications were reviewed after a minimum followup of 6 mo.RESULTS Both treatment groups had similarly aged patients(mean age:82 years),sex ratios,patient body mass indexes,and patient comorbidities.Surgical data(surgery delay time,operative time,and blood loss volume)did not differ significantly between the groups.The 30 d mortality rate was higher in the PL group(9.9%)than in the DAA group(3.7%),but the difference was not statistically significant(P=0.052).Among the one-month survivors,a significantly higher rate of dislocation was observed in the PL group(14/154;9.1%)than in the DAA group(0/105;0%)(P=0.002).Of the 14 patients with dislocation,8 underwent revision surgery for recurrent instability(posterior group),and one of them had 2 additional procedures due to a deep infection.The rate of other complications(e.g.,perioperative and early postoperative periprosthetic fractures and infection-related complications)did not differ significantly between the groups.CONCLUSION These findings suggest that the DAA to bipolar hemiarthroplasty for patients with femoral neck fractures is associated with a lower dislocation rate(<1%)than the PL.

Debate on direct-anterior vs posterior approach for hip hemiarthroplasty:The authors’insights

We read and discussed the study entitled“Complication rates after direct anterior vs posterior approach for Hip Hemiarthroplasty in elderly individuals with femoral neck fractures”with great interest.The authors have done justice to the topic of comparison of anterior and posterior surgical approaches for bipolar hemiarthroplasty which has been an everlasting debate in the existing literature.However,there are certain aspects of this study that need clarification from the authors.

Direct anterior compared to posterior approach for hip hemiarthroplasty following femoral neck fractures

The differences in complication rates between the direct anterior and posterior approaches for hemiarthroplasty in elderly patients with femoral neck fractures are not yet fully understood.Dislocation,a severe complication associated with increased mortality and often requiring additional surgery,may occur less frequently with the direct anterior approach compared to the posterior approach.Careful consideration of patient demographics is essential when planning the surgical approach.Future research in this area should focus on robust randomized controlled trials involving elderly patients recovering from femoral neck fractures.

Safety and efficacy of posterior approach for resection of spinal meningioma:Impact of dural attachment location

BACKGROUND Spinal meningiomas(SMs)are common benign tumors that are typically treated with surgical resection.The choice of surgical approach may vary depending on the location of dural attachment of the SM,with a posterior approach being the traditional preference.However,there is limited research available on the impact of dural attachment location on outcomes following posterior approach for SM resection.The average age of the included 34 patients’(10 males and 24 females)age was 62.09 years.Mean follow-up duration was 22.65 months.The location of SM was the thoracic spine in 32 cases,with only 2 in the cervical spine.On average,intraoperative blood loss was 520.59 mL,and operating time was 176.76 minutes.Thirty three cases had successful outcomes while only 1 experienced an unexpe-cted outcome.The tumor recurrence rate was 2.9%.After surgery,there were 3 cases of cerebral spinal fluid leakage,1 case of pneumonia,and 1 case of urinary tract infection.Dural attachments were predominantly found dorsal or dorso-lateral(13 cases),followed by ventral or ventrolateral(14 cases),and lateral(7 cases).The outcomes among these subgroups were similar.CONCLUSION The posterior approach for SM resection is safe and effective,yielding comparable surgical and neurological outcomes regardless of the dural attachment location.

Assessment of the Outcome of Anterior versus Posterior Approach in the Management of Displaced Pediatric Supracondylar Humerus Fracture

Background: Supracondylar fractures of the humerus are among the most common type of pediatric fractures. The outcome of severely displaced supracondylar fracture of the humerus in children subjected to wide controversies in term of safety, functional and cosmetic outcome. Closed reduction and percutaneous pinning is now considered as the gold standard rule, but open reduction still applicable in certain cases where intraoperative imaging is not available, in comminuted lateral column fractures and uneducable fractures. Aim of the Study: To compare the outcome (functional and cosmetic) of anterior (Henry) approach with the posterior (Campbell) approach used in two groups of patients’ sustained displaced supracondylar fractures. Patients and Methods: This prospective study was performed on 48 pediatric patients who were been admitted to the Emergency Hospital in Sulaimani province sustained displaced supracondylar humeral fractures and treated during the period from the first of October 2009 to the thirty-one of January 2011. The study included 28 boys, 20 girls;their mean age was 7.5 years;their ages range 2 - 13 years. We used the modified Gartland classification to assess the fractures displacement and only Gartland type II B and III were included and managed operatively by open reduction and internal fixation with 2 crossed K-wires. Follow up continued for 6 months and the results finally assessed using Flynn’s criteria. Results: According to the criteria of Flynn et al., 20 patients (83.3%) treated by the anterior approach had excellent functional results while 4 patients (16.7%) had good functional results. While those treated by the posterior approach, 16 patients (66.6%) had excellent functional results, 6 patients (25%) had good results and 2 (8.3%) patients had fair outcome. Cosmetic results were excellent in 22 patients in the anterior approach group and 20 patients in the posterior approach group. Conclusion: Posterior Campbell approach is simpler than anterior Henry approach, but it creates additional soft tissue damage that can affect the circulatory status and hence possible osteonecrosis of the trochlea and a higher percentage of limitation in joint mobility. While the anterior approach is technically more demanding, but it gives better functional results.

Posterior approach (Kraske procedure) for surgical treatment of presacral tumors

Presacral tumors are rare,but can comprise a great variety of histological types.Congenital tumors are the most common.Once the diagnosis is established,surgical resection is essential because of the potential for malignancy or infection.Previous biopsy is not necessary or may be even harmful.To decide the best surgical approach(abdominal,sacral or combined) an individual and multidisciplinary analysis must be carried out.We report three cases of cystic presacral masses in which a posterior approach(Kraske procedure) enabled complete resection,the only way to decrease local recurrence.All patients had a satisfactory recovery.A brief overview of retrorectal tumors is presented,focusing on classification,clinical presentation,diagnosis and surgical management.

Caudal approach to pure laparoscopic posterior sectionectomy under the laparoscopy-specific view

AIM:To study our novel caudal approach laparoscopic posterior-sectionectomy with parenchymal transection prior to mobilization under laparoscopy-specific view.METHODS:Points of the procedure are:(1) Patients are put in left lateral position and posterior sector is not mobilized;(2) Glissonian pedicle of the sector is encircled and clamped extra-hepatically and divided afterward during the transection;(3) Dissection of inferior vena cava(IVC) anterior wall behind the liver is started from caudal.Simultaneously,liver transection is performed to search right hepatic vein(RHV) from caudal;(4) Liver transection proceeds to the bifurcation of the vessels from caudal to cranial,exposing the surfaces of IVC and RHV.Since the remnant liver sinks down,the cutting surface is well-opend;and(5) After the completion of transection,dissection of the resected liver from retroperitoneum is easily performed using the gravity.This approach was performed for a 63 years old woman with liver metastasis close to RHV.RESULTS:RHV exposure is required for R0 resection of the lesion.Although the cutting plane is horizontal in supine position and the gravity obstructs the exposure in the small subphrenic space,the use of specific characteristics of laparoscopic hepatectomy,such as the good vision for the dorsal part of the liver and IVC and facilitated dissection using the gravity with the patient positioning,made the complete RHV exposure during the liver transection easy to perform.The operation time was 341 min and operative blood loss was 1356 mL.Her postoperative hospital stay was uneventfull and she is well without any signs of recurrences 14 mo after surgery.CONCLUSION:The new procedure is feasible and useful for the patients with tumors close to RHV and the need of the exposure of RHV.

Treatment of Posterior Malleolus Fracture through Posterolateral Approach

Posterior malleolus fractures are quite common and usually result from rotational ankle injuries. For the management of posterior malleolus fractures, more studies are still required, though it is already well-recognized for medial and lateral structure. Therefore, fracture of posterior malleolus is striking subject of study among orthopedic surgeons. Most orthopedic surgeons recommend fixing the posterior malleolus fracture if it is larger than 25% to 33% of the distal articular surface. Further attention is required for the reduction and fixation of fractures involving posterior malleolus. Several approaches and methods for fixation of posterior malleolus have been defined in the literature. Previously, the most common method of fixation of the posterior malleolus is by indirect reduction and antero-posterior screws, it is minimally invasive, the anterior incision does not allow satisfactory visualization of the fragment, so good anatomical reduction is difficult to achieve thorough this approach. Operative management goals to reach a stable ankle with maximal function, decrease the risk of post-traumatic degenerative changes, and diminish the risk of complication. Nowadays, posterolateral approach is gaining the popularity due to adequate visualization and accurate anatomic reduction.

Surgical resection of intradural extramedullary tumors in the atlantoaxial spine via a posterior approach

BACKGROUND The anatomical features of the atlantoaxial spine increase the difficulty of complete and safe removal of atlantoaxial intradural extramedullary(IDEM)tumors.Studies concerning surgical interventions via a posterior approach are limited.AIM To investigate the safety and efficacy of atlantoaxial IDEM tumor resection using a one-stage posterior approach.METHODS We retrospectively analyzed clinical databases for one-stage atlantoaxial IDEM tumor resection via a posterior approach between January 2008 and January 2018.The analyzed data included tumor position,histopathological type,pre-and postoperative Japanese Orthopedic Association(JOA)scores and Nurick grades,postoperative complication and recurrence status.RESULTS A total of 13 patients who underwent C1-C2 Laminectomy and/or unilateral facetectomy via the posterior approach were enrolled in the study.In all cases reviewed,total tumor resection and concomitant C1-C2 fusion were achieved.The average follow-up was 35.3±6.9 mo(range,26-49 mo).A statistically significant difference was noted between the preoperative JOA score(11.2±1.1)and the score at the last final follow-up(15.6±1.0)(P<0.05).A statistically significant difference was noted between the preoperative Nurick grade(2.3±0.9)and that at the last follow-up(1.2±0.4)(P<0.05).However,no statistically significant difference was noted between the preoperative and last follow-up C1-2 Cobb angle and C2-7 Cobb angle(P>0.05).No mortalities,severe complications or tumor recurrence were observed during the follow-up period.CONCLUSION Total resection of atlantoaxial IDEM tumors is feasible and effective via a posterior approach.Surgical reconstruction should be considered to avoid iatrogenic kyphosis and improve spinal stability and overall clinical outcomes.

Modified surgical techniques in total en bloc spondylectomy for thoracic and lumbar tumors with a single posterior approach

Objective To investigate the operation key points,instrument improvement and shortterm effects in total en bloc spondylectomy (TES) via a single posterior approach for thoracic and lumbar tumors.Methods A series of modified

Posterior articular process approach for the treatment of upper lumbar disc herniation

Objective To investigate the feasibility and surgical effects of posterior articular process approach for the treatment of L1-L3 lumbar disc herniation.Methods A retrospective study,of17patients with upper lumbar intervertebml disc

Surgical treatment of the thoracic and thoracolumbar disc herniations through the posterior far lateral approach

Objective To evaluate the feasibility,safety and efficacy of surgical treatment of the thoracic and thoracolumbar disc herniations through the posterior far lateral approach.Methods From April 2005 to June 2010,24 consecutive patients

Bipolar hemiarthroplasty for femoral neck fracture using the direct anterior approach

AIM: To evaluate whether walking ability recovers early after bipolar hemiarthroplasty(BHA) using a direct anterior approach.METHODS: Between 2008 and 2010, 81 patients with femoral neck fracture underwent BHA using the direct anterior approach(DAA) or the posterior approach(PA). The mean observation period was 36 mo. The age, sex, body mass index(BMI), time from admission to surgery, length of hospitalization, outcome after discharge, walking ability, duration of surgery, blood loss and complications were compared. RESULTS: There was no significant difference in the age, sex, BMI, time from admission to surgery, length of hospitalization, outcome after discharge, duration of surgery and blood loss between the two groups. Two weeks after the operation, assistance was not necessary for walking in the hospital in 65.0% of the patients in the DAA group and in 33.3% in the PA group(P < 0.05). As for complications, fracture of the femoral greater trochanter developed in 1 patient in the DAA group and calcar crack and dislocation in 1 patient each in the PA group.CONCLUSION: DAA is an approach more useful for BHA for femoral neck fracture in elderly patients than total hip arthroplasty in terms of the early acquisition of walking ability.

Surgical treatment of cervicothoracic junction spinal tuberculosis via combined anterior and posterior approaches in children

Background Cervicothoracic junction spinal tuberculosis （CJST） in children is uncommon, especially when accompanied by a huge abscess. However, its consequences can be severe. Because of the special anatomic location of the cervicothoracic junction, surgical treatment is difficult and rarely reported. The aim of this clinical study was to assess the effectiveness of combined anterior and posterior approaches for focal debridement, decompression, allografting and anterior instrumentation in the treatment of CJST in children. Methods Ten pediatric CJST patients underwent focal debridement and cord decompression through combined anterior and posterior approaches. Then an appropriate allograft and titanium plate were applied to reconstruct the spine. The patients were asked to wear head-neck-chest braces for six months and received regular anti-tubercular drugs therapy for 12 months. Results The patients were followed-up for an average of 26 months （range, 15-32 months）. There was no recurrent tuberculous infection. The bone grafts incorporated well and the instrumentation was stable. Cervical and thoracic kyphosis was successfully corrected from 40° （range, 30-52°） before the operation to 18° （range, 12-26°） post-operation. Neurological function was improved in all patients. Conclusions Combined anterior and posterior approaches for focal debridement, decompression, bone allografting and anterior instrumentation provided an effective means of treatment in children of CJST with a huge abscess in the posterior part of the vertebral body.

Posteromedial approach of gastrocnemius for reduction and internal fixation of avulsed tibial attachment of posterior cruciate ligament

Objective： To introduce a posteromedial approach through the medial border of the medial head of gastrocnemius for reduction and reattachment of bony avulsiun of the posterior cruciate ligament （PCL） from the tibia. Methods ： Eleven patients with avulsed tibial attachment of the PCL underwent an operative reduction and internal fixation through the posteromedial approach of the gastrocnemius in our department from February 1998 to March 2000. The skin incision was reversed L-shaped along the medial border of the medial head of the gastrocnemius and the posterior capsule was exposed by dissecting the medial border and lateral retraction, avoiding the damage of the popliteal neurovascular structures. After that, the posterior capsule was vertically dissected a little medially to the posterior intercondylar sulcus and just on the posterior medial tibial eminence positioned by finger palpation. Then the PCL and its tibial attachment were easily accessible. In the delayed cases, PCL peripheral releasing was necessary to overcome the ligament retraction and to refresh the fracture bed for optimal reduction and bony healing. At last, one or two biodegradable screws were used to fix the avulsed bone segment and 30° flexion knee plaster cast immobilization was regularly applied after the wound was closed. The evaluation included X-ray, posterior sag sign and posterior drawer test compared with the contralateral side. The functional assessment of the low limbs was not available because of concomitant injuries. Results ： The posteromedial approach of the gastrocnemius used in repair of tibial attachment avulsed injury of the PCL could provide benefit of clear anatomical exposure, few blood loss （20 ml on average）, no need for detachment or reattachment of any structure. The patients were followed up for 11 months on an average （ranging from 6 months to 2 years ）. It demonstrated that bony healing was achieved within 4-6 weeks in cases of fresh injury and 7-9 weeks in cases of delayed injury. Six out of 8 fresh cases showed totally negative posterior sag sign or posterior drawer test but 2 had extra laxity for 1-2 mm. In 3 delayed cases, extra laxity for 3-4 mm was presented compared with the contralateral knee. Conclusions： The posteromedial approach of the gastrocnemius is ideal for internal fixation of avulsed tibial attachment of the PCL. It is fairly easy, safe, time-saving, applicable alternatives, in addition, the morbidity is rare and can also be used in management of posteromedial fracture of the medial femoral condyle and tibial plateau.

The posterior Pilon fracture: treatment and results via a posterolateral approach

[Objective]This study was designed to describe the fracture patterns and early results of operations of posterior Pilon fractures through a posterolateral approach.[Method]This study consisted of 14 cases,10 males and 4 females with the mean age of 47 years(range,28-63 years).The causes were traffic accident in 2,falling in 6 and sprain injuries in 6 cases.The duration from injury to operation was 7-14 days.Including 12 cases combined with distal fibula fracture and3 cases with medial malleolus fracture.There were 3 posterior dislocation fracture.All cases were treated with open reduction and internal fixation(ORIF).[Result]A consistent fracture pattern was identified with a primary,inferiorly posterior Pilon fracture that likely occur through a combined rotational and axial load mechanism.The average duration of follow-up was 26(range,24-37)months.The postoperation average of American Orthopedic Foot Ankle Society score(AOFAS)was 92points which was much higher than before operation.Anatomical reduction were obtained in all cases.Two complications(1wound superficial infection and 1 sural cutaneous nerve injury)were all managed nonoperatively.[Conclusion]Posterior Pilon fractures form a consistent pattern.They can be successfully managed through a posterolateral approach with direct reduction and buttress fixation of articular fragments.

Analysis of the efficacy of a modified posteromedial approach for Klammer III posterior Pilon fractures

Purpose:To analyze the curative effect and technical points of a modified posteromedial approach in the treatment of Klammer III posterior Pilon fracture.Methods:A retrospective analysis of patients with Klammer III posterior Pilon fractures were conducted in our department from January 2018 to December 2019.Before the surgery,the patients were fully relieved of swelling and pain,and a comprehensive examination was carried out.The posteromedial approach exposed the posterior and medial fracture block of the distal tibia.According to the fracture of external malleolus,it is determined whether to combine a lateral incision and protect tendons and vascular nerves by a retractor,and then perform a fracture reduction and internal fixation.Postoperatively,the patients were treated with analgesia,detumescence,anticoagulation and rehabilitation exercise.The American orthopaedic foot and ankle society(AOFAS)score and visual analogue score were recorded at regular follow-up after surgery.A t-test was used for the comparison of the preoperative and final AOFAS score.Results:There were 7 male and 13 female(n=20)included in the study,aged 22 to 88 years(average age 54.2 years).The injury mechanisms were falling from a height(n=7),traffic accident(n=6),walking injury(n=2)and heavy injury(n=5).The postoperative follow-up duration was 12—24 months(mean 16.95 months).The AOFAS score of the 20 patients before and after surgery were compared.The preoperative AOFAS score was 38.90±3.91,and the final AOFAS score was 80.55±4.20,(p<0.001).The mean final visual analogue scores at rest,active and weight-bearing walking were 0.30,0.85 and 1.70,respectively.One patient reported poor postoperative wound healing and required a return to hospital for debridement and anti-infection treatment.Conclusion:In the treatment of Klammer III posterior Pilon fractures,the modified posteromedial approach can fully expose the fracture block and the collapsed articular surface of the medial malleolus,achieve good reduction and internal fixation with limited injury of the tendon and vascular nerves,and have a better prognosis.

Lower cervical spine injury treated with lateral mass plates and pedicle screws through posterior approach

Objective: To treat injury of the lower cervical spine C6 to C7 with cervical lateral mass plates and T1 pedicle screws through posterior approach. Methods: The data of 8 patients with lower cervical spine C6 or C7 injury （6 patients with fracture and dislocation in C6 and C7 and 2 with fracture in C7） were analyzed retrospectively in this study. For the preoperative American Spinal Injury Association （ASIA） classification, Grade C was found in 3 cases and Grade D in 5 cases. Screws were placed on the lateral masses and the first thoracic pedicle with Margerl technique. Lamina or facet bone allografting was used to achieve a long-term stability. Results: All the 8 patients were followed up for 5-37 months （mean: 15 months）. No operative death occurred. There were no examples of aggravation of spinal cord injury or vertebral artery injury, cerebrospinal fluid leak, nerve roots injury, screw malposition or back-out, loose of alignment or implant failure. Clinical symptoms and ASIA classification were improved in all the patients. Postoperative MRI scanning confirmed the satisfactory screw placement in all the cases. Conclusions: Lateral mass plates and pedicle screws through posterior approach are safe and beneficial for patients with lower cervical spine C6 or C7 injury.

Transfer of the extensor indicis proprius branch of posterior interosseous nerve to reconstruct ulnar nerve and median nerve injured proximally:an anatomical study

Proximal or middle lesions of the ulnar or median nerves are responsible for extensive loss of hand motor function.This occurs even when the most meticulous microsurgical techniques or nerve grafts are used.Previous studies had proposed that nerve transfer was more effective than nerve grafting for nerve repair.Our hypothesis is that transfer of the posterior interosseous nerve,which contains mainly motor fibers,to the ulnar or median nerve can innervate the intrinsic muscles of hands.The present study sought to investigate the feasibility of reconstruction of the deep branch of the ulnar nerve and the thenar branch of median nerve by transferring the extensor indicis proprius branch of the posterior interosseous nerve obtained from adult cadavers.The results suggested that the extensor indicis proprius branch of the posterior interosseous nerve had approximately similar diameters and number of fascicles and myelinated nerve fibers to those of the deep branch of ulnar nerve and the thenar branch of the median nerve.These confirm the feasibility of extensor indicis proprius branch of posterior interosseous nerve transfer for reconstruction of the deep branch of the ulnar nerve and the thenar branch of median nerve.This procedure could be a novel and effective method for the functional recovery of the intrinsic muscles of hands after ulnar nerve or median nerve injury.

Wiltse与后正中入路经椎间孔腰椎椎体间融合术治疗腰椎间盘突出症的安全性及近期效果研究

目的比较分析Wiltse与后正中入路经椎间孔腰椎椎体间融合术(TLIF)治疗腰椎间盘突出症(LDH)的安全性及近期效果。方法回顾性分析2019-01—2022-12于郑州大学第二附属医院骨一科行TLIF治疗的86例LDH患者的临床资料,根据手术入路方式分为Wiltse组(38例)和后正中组(48例)。比较2组患者的基线资料。记录手术时间、术中出血量、下床活动时间。评估术前、术后6个月患者的腰椎功能JOA评分和数字评定量表(NRS)评分。结果2组患者的基线资料差异无统计学意义(P>0.05)。Wiltse组的手术时间、下床活动时间均短于后正中组,术中出血量少于后正中组,差异均有统计学意义(P<0.05)。术前2组患者的JOA、NRS评分差异均无统计学意义(P>0.05);术后6个月时,Wiltse组患者的JOA评分高于后正中组,NRS评分低于后正中组,差异均有统计学意义(P<0.05)。2组患者的并发症发生率差异无统计学意义(P>0.05)。结论经Wiltse入路与后正中入路实施TLIF,均有良好的安全性和近期效果。但Wiltse入路改善腰椎功能、缓解疼痛的效果更佳,且手术时间短、术中出血量少,更利于患者术后康复。