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Clinical feasibility of laparoscopic left lateral segment liver resection with magnetic anchor technique:The first clinical study from China
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作者 Miao-Miao Zhang ji-gang bai +7 位作者 Dong Zhang Jie Tao Zhi-Min Geng Zhuo-Qun Li Yu-Xiang Ren Yu-HanZhang Yi Lyu Xiao-Peng Yan 《World Journal of Gastrointestinal Surgery》 SCIE 2024年第5期1336-1343,共8页
BACKGROUND Magnetic anchor technique(MAT)has been applied in laparoscopic cholecystectomy and laparoscopic appendectomy,but has not been reported in laparoscopic partial hepatectomy.AIM To evaluate the feasibility of ... BACKGROUND Magnetic anchor technique(MAT)has been applied in laparoscopic cholecystectomy and laparoscopic appendectomy,but has not been reported in laparoscopic partial hepatectomy.AIM To evaluate the feasibility of the MAT in laparoscopic left lateral segment liver resection.METHODS Retrospective analysis was conducted on the clinical data of eight patients who underwent laparoscopic left lateral segment liver resection assisted by MAT in our department from July 2020 to November 2021.The Y-Z magnetic anchor devices(Y-Z MADs)was independently designed and developed by the author of this paper,which consists of the anchor magnet and magnetic grasping apparatus.Surgical time,intraoperative blood loss,intraoperative accidents,operator experience,postoperative incision pain score,postoperative complications,and other indicators were evaluated and analyzed.RESULTS All eight patients underwent a MAT-assisted laparoscopic left lateral segment liver resection,including three patients undertaking conventional 5-port and five patients having a transumbilical single-port operation.The mean operation time was 138±34.32 min(range 95-185 min)and the mean intraoperative blood loss was 123±88.60 mL(range 20-300 mL).No adverse events occurred during the operation.The Y-Z MADs showed good workability and maneuverability in both tissue and organ exposure.In particular,the operators did not experience either a“chopstick”or“sword-fight”effect in the single-port laparoscopic operation.CONCLUSION The results show that the MAT is safe and feasible for laparoscopic left lateral segment liver resection,especially,exhibits its unique abettance for transumbilical single-port laparoscopic left lateral segment liver resection. 展开更多
关键词 Magnetosurgery/magnetic surgery Magnetic anchor technique Laparoscopic hepatectomy Transumbilical singleport laparoscopy Magnet
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Effect of surgical timing on postoperative outcomes in patients with acute cholecystitis after delayed percutaneous transhepatic gallbladder drainage
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作者 Wei Gao Jun Zheng +1 位作者 ji-gang bai Zhao Han 《World Journal of Gastrointestinal Surgery》 SCIE 2024年第11期3445-3452,共8页
BACKGROUND To date,the optimal timing for percutaneous transhepatic gallbladder drainage(PTGBD),particularly for patients who have missed the optimal window for emergency laparoscopic cholecystectomy(LC)(within 72 hou... BACKGROUND To date,the optimal timing for percutaneous transhepatic gallbladder drainage(PTGBD),particularly for patients who have missed the optimal window for emergency laparoscopic cholecystectomy(LC)(within 72 hours of symptom onset)has not been determined.AIM To study the effects of LC timing on outcomes of grade II/III acute cholecystitis(AC)in patients with delayed PTGBD.METHODS Data of patients diagnosed with Tokyo Guidelines 2018 grade II or III AC who underwent delayed PTGBD followed by LC at a single hospital between 2018 and 2022 were retrospectively studied.According to the interval between gallbladder drainage and cholecystectomy,the patients were divided into early and delayed LC groups.Outcomes including surgery time,postoperative complications and hospital stay,and patient satisfaction were analyzed and compared between the two groups using t-andχ^(2) tests.RESULTS There were no significant differences between the two groups in intraoperative blood loss,postoperative abdominal drainage tube placement time,pain index,or total disease duration(all P>0.05).Compared with those of the early LC group,the delayed group showed significant decreases in the length of procedure(surgery time),conversion rate to open surgery,degree of adhesions,surgical complications,postoperative hospital stay,and total treatment costs,and increased patient satisfaction despite a longer interval before PTGBD(all P<0.05).CONCLUSION For patients with grade II/III AC with delayed PTGBD,LC should be performed 2 weeks after PTGBD to decrease postoperative complications and hospital stays and improve patient satisfaction. 展开更多
关键词 Acute cholecystitis Percutaneous transhepatic gallbladder drainage Laparoscopic cholecystectomy Surgical timing Postoperative outcomes
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Symptomatic multinodular splenic hamartoma preoperatively suspected as metastatic tumor:A case report 被引量:5
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作者 Rui-Tao Wang Xin-Sen Xu +2 位作者 Hui-Lian Hou Kai Qu ji-gang bai 《World Journal of Gastroenterology》 SCIE CAS 2014年第30期10637-10641,共5页
Splenic hamartoma(SH)is a rare benign tumor usually detected accidentally,which is composed of an aberrant mixture of normal splenic elements.Here,we report a case of 54-year-old man who presented with symptomatic mul... Splenic hamartoma(SH)is a rare benign tumor usually detected accidentally,which is composed of an aberrant mixture of normal splenic elements.Here,we report a case of 54-year-old man who presented with symptomatic multinodular SH and was admitted initially for thrombocytopenia and anemia.Physical examination revealed that the patients had an anemic appearance and palpable spleen,extending 10 cm below the costal margin.Preoperative ultrasound and computed tomography(CT)indicated splenomegaly with multinodular lesions.On enhanced CT scanning,during the arterial phase,the lesions demonstrated inhomogeneous enhancement,and in the portal phase the lesions were more hyperdense than the splenic parenchyma.The images were highly suggestive of a metastatic tumor.Splenectomy was performed 1 wk later.The tumor was eventually diagnosed as SH according to the morphological features and immunohistochemical detection,by which CD34 was positive in lining cells and some spindle cells,vimentin was positive in the tumor,factor-Ⅷ-related antigen was positive multifocally in lining cells,and smooth muscle actin was positive in some spindle cells.Thrombocytopenia and anemia were cured after splenectomy. 展开更多
关键词 SPLENIC HAMARTOMA SPLENECTOMY Diagnosis SYMPTOMS
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Expert consensus on the application of the magnetic anchoring and traction technique in thoracoscopic and laparoscopic surgery 被引量:1
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作者 ji-gang bai Yue Wang +2 位作者 Yong Zhang Yi Lv Scientific Committee of the Third International Conference of Magnetic Surgery 《Hepatobiliary & Pancreatic Diseases International》 SCIE CAS CSCD 2022年第1期7-9,共3页
Introduction The mutual interference between surgical instruments in tho-racoscopic and laparoscopic surgery and the effective exposure of the surgical field are important factors affecting surgical op-erability[1].Ma... Introduction The mutual interference between surgical instruments in tho-racoscopic and laparoscopic surgery and the effective exposure of the surgical field are important factors affecting surgical op-erability[1].Magnetic anchoring and traction is one of the core techniques of magnetic surgery,which uses magnetic materials to generate force through indirect contact to achieve traction expo-sure of the target organs[2](Fig.1). 展开更多
关键词 surgery ORGANS TRACTION
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