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Table of Content

    25 March 2023, Volume 28 Issue 02 Previous Issue    Next Issue
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    Experts forum
    Factors related to intestine have a role in prevention and treatment for gallstone disease
    JIANG Zhaoyan, SHEN Weiyi, HU Hai
    2023, 28 (02):  91-93.  DOI: 10.16139/j.1007-9610.2023.02.01
    Abstract ( 450 )   HTML ( 9 )   PDF (764KB) ( 166 )  

    Gallstone is a common surgical disease. The factors which related to intestine during the process of gallstone formation have attracted increasing attention. The main factors affecting the formation of cholesterol gallstone including cholesterol absorption, bile acid concentration, gut microbiota changing, are all related to the intestine. A correct understanding of the factors related to intestine during gallstone formation is helpful for the prevention and treatment of gallstone disease. In future, different targets related to intestine may play an important role in both prevention of gallstone disease and post-cholecystectomy management.

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    Stage on development of pathophysiology of gallbladder stone and personalized diagnosis and treatment
    ZHENG Yamin, GU Liguo, XU Chen
    2023, 28 (02):  94-99.  DOI: 10.16139/j.1007-9610.2023.02.02
    Abstract ( 433 )   HTML ( 9 )   PDF (799KB) ( 323 )  

    Gallbladder stone (GS) is a common disease. There are no obvious symptoms at early stage for the patient with GS. Obstruction will cause acute cholecystitis. Secondary obstructive cholangitis of GS, biliary pancreatitis, gallbladder cancer due to GS would be serious. Many guidelines and consensuses have been published in the world and from many professional organizations, promoting the normative diagnosis and treatment of GS. However, there are still a lot of controversial issues. Currenly, there is a lack of study on the whole course of GS with large samples. Prevention and early diagnosis with treatment of GS are neglected. It results in insufficient personalized diagnosis and treatment. In order to have the prevention, diagnosis, treatment, prognosis and follow-up which are carried out better, the authors divided the course of GS into four stages according to the pathophysiological characteristics of the occurrence, development and outcome of GS. There are: ①stage of stone forming; ②asymptomatic period without obstruction; ③inflammation and infection stage, inclu-ding obstructive inflammation, pyogenic gangrene, perforation abscess; ④stage of secondary lesions, including abnormal gallbladder morphology and function, GS shift, gallbladder carcinoma. According to the pathophysiological staging, it is beneficial to the personalized diagnosis and treatment based on the standard management for the patients who can benefit more.

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    Laparoscopic radical resection of hilar cholangiocarcinoma: current status and considerations
    ZHU Siwei, YIN Xinmin
    2023, 28 (02):  100-103.  DOI: 10.16139/j.1007-9610.2023.02.03
    Abstract ( 407 )   HTML ( 6 )   PDF (768KB) ( 115 )  

    Laparoscopic radical resection of hilar cholangiocarcinoma was complex because of the tumor near to hepatic hilum. The resection of hilar cholangiocarcinoma increased in recent years in large medical centers with safety of surgery improved. The current status of laparoscopic radical resection of hilar cholangiocarcinoma was discussed in this article including contraindication of surgery, precision evaluation and obstructive jaundice treated with preoperative biliary duct drainage, coordination among operative team and their experience. The key technology involved both blood vessels and lymphatic nodes dissected and separated which included resection of caudal lobe combined with hepatic lobes and hepatic segments, and then reconstruction of digestive tract. Lastly, there is consideration and prospect of laparoscopic radical resection of hilar cholagiocarcinoma.

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    Vascular reconstruction in radical resection for hilar cholangiocarcinoma
    LI Xiangcheng, CHEN Yananlan, LI Changxian
    2023, 28 (02):  104-109.  DOI: 10.16139/j.1007-9610.2023.02.04
    Abstract ( 447 )   HTML ( 3 )   PDF (857KB) ( 118 )  

    Radical resection is the only option of curative treatment for hilar cholangiocarcinoma. Microscopically negative resection margin of bile duct (R0 resection) is critical for long-term survival of patients. However, both portal vein and hepatic artery invasions from hilar cholangiocarcinoma were often found, the negative resection margin could not be gotten. Combined vascular resection and reconstruction provide a possible way to solve this problem. At present, the clinical value of resection of portal vein and hepatic artery combining with reconstruction has been fully recognized. The technique of reconstruction for both portal vein and hepatic artery combined with the clinical significance, preoperative evaluation of imaging and postoperative complications for hilar cholangiocarcinoma were included in this article.

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    Neoadjuvant therapy for gallbladder cancer: current status and challenge
    XING Ying, CHENG Shi
    2023, 28 (02):  110-114.  DOI: 10.16139/j.1007-9610.2023.02.05
    Abstract ( 372 )   HTML ( 7 )   PDF (836KB) ( 199 )  

    Gallbladder cancer is one of highly malignant digestive system tumors with insidious symptoms, rapid progression, and poor prognosis. Although radical resective surgery is the only possible curative way for gallbladder cancer, most patients have lost the opportunity to undergo surgery when diagnosed. The neoadjuvant therapy had been used for many malignant tumors in digestive system including pancreatic cancer. The neoadjuvant therapy also had been used for gallbladder cancer including chemotherapy, radiation therapy, immunotherapy and molecular targeted therapy in the treatment of patients with advanced gallbladder cancer, and has achieved some effects. A few patients benefited from downstaging and got the opportunity to have R0 resection after neoadjuvant therapy. However, there are still many controversies and challenges, including the inconsistent criteria for evaluation of resectable gallbladder cancer, the absence of standardized protocols for neoadjuvant therapy, increasing rate of postoperative complications after neoadjuvant therapy compared to the patients undergoing direct surgery, and lack of criteria of both indications and evaluated effects of neoadjuvant therapy. Therefore, it should still need more high-quality prospective clinical trials to resolve these controversies and clinical applications.

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    Management of biliary tract disease based on damage control surgery
    WU Shuodong
    2023, 28 (02):  115-118.  DOI: 10.16139/j.1007-9610.2023.02.06
    Abstract ( 311 )   HTML ( 2 )   PDF (920KB) ( 75 )  

    Acute biliary tract disease has serious threat for the patient life. Emergency surgery for critical patients tends to poor prognosis. Multidisciplinary advantages were integrated and the experiences were summarized in our department which showed that staged treatment of patients with biliary emergency would improve the prognosis greatly. For the patients with acute severe cholecystitis, percutaneous transhepatic gallbladder drainage (PTGBD) was performed first to relieve obstruction and elective surgical treatment was done then, which could reduce significantly the rates of biliary tract injury and postoperative mortality and the rate of intensive care unit admission. It was safer for patients with biliary pancreatitis that firstly PTGBD was performed to relieve the symptoms of pancreatitis, and elective endoscopic sphincterotomy or laparoscopic common bile duct exploration was performed. It is the first to relieve biliary obstruction for the patients of intrahepatic and extrahepatic bile duct stones with bile duct dilatation using endoscopic nasobiliary drainage (ENBD) or percutaneous transhepatic cholangiodrainage (PTCD), which would improve the survival rate greatly. PTCD or ENBD could be used for the patients with malignant tumor in biliary tract to reduce jaundice as early as possible. And then, stent was implanted through PTCD to prolong life.

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    Analysis and recognition of endoscopic treatment for cholelithiasis from the view of disease of pancreaticobiliary junction
    ZHANG Cheng, YANG Yulong
    2023, 28 (02):  119-123.  DOI: 10.16139/j.1007-9610.2023.02.07
    Abstract ( 352 )   HTML ( 6 )   PDF (852KB) ( 218 )  

    Cholelithiasis is a common disease, which seriously endangers human health. The traditional treatment mainly depended on open cholecystectomy and biliary tract exploration. With the development of minimally invasive technology, the endoscopic management including laparoscopy, choledochoscopy and duodenoscopy has been widely used in the treatment of cholelithiasis. However, the complications such as bile leakage, stone recurrence and post cholecystectomy syndrome remain plaguing hepatobiliary surgeons. The pancreaticobiliary junction refers to the area among the end of common bile duct, the opening of main pancreatic duct and duodenal papilla, where the Oddi sphincter controls the excretion of bile and pancreatic juice. The disease in this area will affect the flow both rate and direction of bile and pancreatic juice, which produce not only biliary and pancreatic diseases, but also the various complications after surgery for cholelithiasis.

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    Guideline and consensus
    The fifth edition of WHO classification of digestive system tumors: update and progress on biliary system tumors
    LUO Fangxiu, MA Qianchen, YUAN Fei
    2023, 28 (02):  124-131.  DOI: 10.16139/j.1007-9610.2023.02.08
    Abstract ( 680 )   HTML ( 18 )   PDF (3365KB) ( 1201 )  

    Overall, there was little change in biliary system tumors of the 5th edition of WHO classification of digestive system tumors after update. The three-tiered classification of biliary intraepithelial neoplasia changed to two-tiered system: high-grade and low-grade, in the section of benign tumors and precancerous lesions. And both intracholecystic and intraductal papillary tumors associated with invasive carcinoma were added. The classification of intrahepatic bile duct tumors introduced parts of bile duct adenoma and bile duct adenofibroma, which were mentioned previously in the differential diagnosis with bile duct carcinoma. Intrahepatic cholangiocarcinoma was divided into small bile duct subtype and large bile duct subtype in the 5th edition of WHO classification, and the names of cholangiocellular carcinoma and cholangiole cell carcinoma were no longer recommended to use. Extrahepatic cholangiocarcinoma was listed as a separate part for the first time, including squamous cell carcinoma, adenosquamous carcinoma and undifferentiated carcinoma in addition to common histological types. Some new contents of molecular pathology in the 5th edition of WHO classification were added, which provided the basis for precise classification and diagnosis of tumors in biliary system.

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    Original article
    Transanal total mesorectal excision in re-operation for anastomosis recurrence rectal cancer
    PAN Linfeng, XU Ximo, Batuer Aikemu, DENG Yang, ZHANG Sen, QIN Wei, SHU Duohuo, CAI Zhenghao, SONG Haiqin, YANG Xiao, ZHONG Hao, HU Yanyan, LI Jianwen, FENG Bo
    2023, 28 (02):  132-138.  DOI: 10.16139/j.1007-9610.2023.02.09
    Abstract ( 171 )   HTML ( 2 )   PDF (10174KB) ( 211 )  

    Objective To investigate the feasibility and safety of transanal total mesorectal excision (TaTME) in re-operation for anastomosis recurrence rectal cancer. Methods Five patients with anastomosis recurrence rectal cancer underwent TaTME at Ruijin Hospital between April 2020 and December 2021 were retrospectively enrolled in this study. The peri-operative situation, pathological examination, and short-term follow-up results were analyzed. Results All cases were operated laparoscopic TaTME successfully. The operative time was (206.00±19.49) min without intraoperative complications. One case encountered incorrect dissection plane. Anastomotic leakage occurred in one case and anastomotic stenosis developed in another case. The specimens quality of mesorectum deemed complete in all cases without both positive circumferential resection margin and positive distal resection margin. There was (15.20±2.39) months of median follow-up and one case found defecation disorder. Tumor recurrence, metastasis and tumor-related death were not found. Conclusions For patients with anastomosis recurrence rectal cancer, laparoscopic TaTME procedure is novel type and would be safe and effective surgical approach with satisfactory short-term follow-up.

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    Risk factors of severe postoperative complications in elderly patients with pancreaticoduodenectomy
    YU Lan, ZHANG Yongyi, HUANG Lei, WAN Xin, JIANG Shengyao, TANG Sijing, ZHANG Jun, HU Weiguo
    2023, 28 (02):  139-146.  DOI: 10.16139/j.1007-9610.2023.02.10
    Abstract ( 136 )   HTML ( 3 )   PDF (999KB) ( 77 )  

    Objective To investigate the risk factors of severe complications of elderly patients with pancreaticoduodenectomy (PD). Methods The clinical data of 399 elderly patients with PD and 65 years or more (65-91years) including 76 cases with 75 years or more (19.0%) in this hospital from January 2016 to December 2020, were retrospectively analyzed. Less Barthel index score was used to indicate lower activities of daily living. The risk factors of severe complications after PD were analyzed by binary Logistic regression and predictive model was established. Receiver operating characteristic (ROC) curve was used to verify the predictive efficiency of model. Results A total of 224 cases were found postoperative complications from 399 elderly PD cases with the rate 56.14% including 187 (46.87%) cases of mild complications and 37 (9.27%) cases of severe complications. Age ≥75 years (OR=2.78, P<0.05), combined with hypertension (OR=4.20, P<0.05) and less Barthel index score (OR=0.96, P<0.05) were independent risk factors for severe complications after PD in elderly patients. The risk prediction model of severe postoperative complications of PD was constructed using 6 indexes including age, hypertension, preoperative nutritional risk, operative type, Barthel index score in activities of daily living and operative time, and the fit of regression equation 0.93. ROC curve analysis showed that area under curve (AUC) was 0.76, the sensiti-vity 65%, and the specificity 76%. Conclusions Age 75 years or more, hypertension and low activities of daily living would be independent risk factors for severe complications after PD in elderly patients. The risk model constructed by age, hypertension, preoperative nutritional risk, operative type, Barthel index score in activities of daily living and operative time had certain predictive efficacy for severe complications after PD in elderly patients.

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    Safety analysis of immediate breast reconstruction with deep inferior epigastric perforator after neoadjuvant treatment
    GAO Weiqi, ZHANG Xu, WANG Zheng, ZHU Yifei, HUANG Jiahui, HONG Jin, ZHU Siji, CHEN Xiaosong, HUANG Ou, HE Jianrong, CHEN Weiguo, LI Yafen, SHEN Kunwei, XU Hua, WU Jiayi
    2023, 28 (02):  147-151.  DOI: 10.16139/j.1007-9610.2023.02.11
    Abstract ( 137 )   HTML ( 3 )   PDF (850KB) ( 97 )  

    Objective To evaluate the safety of immediate breast reconstruction using deep inferior epigastric perforator (DIEP) flaps in the patients after neoadjuvant treatment. Methods From January 2019 to February 2021, the data of patients with breast cancer undergoing total mastectomy and immediate breast reconstruction using DIEP flap in Comprehensive Breast Health Center, Department of General Surgery, Ruijin Hospital were collected. Comparison of clinicopathological features was done between neoadjuvant treatment group and control group. Univariate analysis was used to compare the rate of surgical complications between two groups. Results A total of 110 patients were enrolled with 23 cases (20.9%) in neoadjuvant treatment group and 87 cases (79.1%) in control group. None of carcinoma in situ (0 vs. 19.5%, P=0.003) and higher pTNM stage (P<0.001) was present in neoadjuvant treatment group compared with those in control group. However, there were no significant differences in the number of flap perforator of DIEP (P=0.472), the proportion of bipedicled flaps (P=0.489), operative time (P=0.651) and hospital length of stay (P=0.275) between two groups. No significant difference was found in the incidence of postoperative complications between two groups. Breast seroma was the most common recipient complication (13.0%, 3 cases) without donor complication in neoadjuvant treatment group. The most common complication was fat necrosis (12.6%, 11 cases) in recipient site and abdominal seroma (3.4%, 3 cases) in donor site of control group. Reoperation was done in one case (4.3%) of neoadjuvant treatment group and 4 cases (4.6%) of control group. DIEP flap necrosis with total flap loss occurred in 2 cases (2.3%) in control group, but none in neoadjuvant treatment group. Conclusions The imme-diate breast reconstruction with epigastric free flap for breast cancer patients after neoadjuvant treatment would be a safe surgical scheme.

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    Continuous cardiac index in patients related with left ventricular ejection fraction in preanesthesia assessment for gastroenteroscopy
    LU Wei, LI Xuting, YU Weibin, XIA Yimeng, FAN Qiuwei
    2023, 28 (02):  152-156.  DOI: 10.16139/j.1007-9610.2023.02.12
    Abstract ( 124 )   HTML ( 3 )   PDF (802KB) ( 68 )  

    Objective To study both non-invasive continuous cardiac index (CCI) and risk factors of coronary heart disease related with left ventricular ejection fraction (LVEF). Methods Retrospective study was done at VIP Health Center with 90 patients with preanesthesia assessment for gastrointestinal endoscopy under intravenous anesthesia between January and March 2022 in our hospital. CCI was measured using non-invasive real-time arterial blood pressure and hemodynamic monitoring system. Risk factors of coronary heart disease were collected. There were three groups of patients according to the results of LVEF gotten from echocardiography examination including group of LVEF 40%-49% (n=15), group of LVEF 50%-59% (n=38) and group of LVEF >60% (n=37). Results The group of LVEF 40%-49% had the highest rate of smoking (60.0%), hypertension (80.0%), diabetes (73.3%), hyperlipidemia (86.6%), obesity (53.3%), family history of early onest cardiovascular disease (33.3%) and the highest rate of ≥3 risk factors of coronary heart disease (80.0%)(P<0.05). The CCI in the group of LVEF 40%-49% was the lowest among three groups (P<0.05). There was a significant positive correlation between CCI and LVEF (r>0.95, P<0.05). Conclusions It was suggested that non-invasive real-time arterial blood pressure and hemodynamic monitoring system could be used for preanesthesia assessment, and CCI related to LVEF, which improves the safety of anesthesia for patients.

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    Technical method
    Surgical process and technical points of laparoscopic sleeve gastrectomy with transit bipartition
    YAO Libin, HONG Jian, HOU Dongsheng, ZHU Xiaocheng
    2023, 28 (02):  157-161.  DOI: 10.16139/j.1007-9610.2023.02.13
    Abstract ( 258 )   HTML ( 4 )   PDF (10457KB) ( 87 )  

    Bariatric surgery are recognized worldwide for the treatment of morbid obesity and related comorbidities. Therapeutic guidelines have been issued from many countries. Laparoscopic sleeve gastrectomy and gastric bypass are used widely at present. However, both have shortcomings including insufficient weight loss, weight regain, diabetes relapse and high rate of long-term malnutrition. In recent years, operations of sleeve gastrectomy plus various gastrointestinal bypass have been performed increasingly and showed some advantages in order to overcome the shortcomings of above mentioned both procedures. Among these surgical procedures, sleeve gastrectomy with transit bipartition has the potential advantages of simple operation, satisfactory results and low rate of long-term complications. The authors firstly carried out this operation in China and summarized the surgical process and technical points in this article aiming at providing some references to the colleagues of bariatric and metabolic surgery.

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    Case report
    Pheochromocytoma with papillary thyroid carcinoma: one case report
    KONG Weiqi, HE Jun, YANG Chengguang, LIU Weiwei, XU Yingjie
    2023, 28 (02):  162-165.  DOI: 10.16139/j.1007-9610.2023.02.14
    Abstract ( 144 )   HTML ( 3 )   PDF (3092KB) ( 100 )  

    Pheochromocytoma is one of rare tumors of neuroendocrine. Most of the tumors are sporadic with about 1/3 of them caused by genetic mutations. Papillary thyroid carcinoma (PTC) from thyroid follicular cells is the most common malignant tumors. However, pheochromocytoma with PTC is rarely reported. Here we present a case report of an 41-year-old male patient found to have an adrenal pheochromocytoma combined with PTC, and PTC was diagnosed first with fine needle aspiration. The patient admitted to hospital, and surgery would be prepared when abnormal blood pressure rose, and operation was suspended. Further CT scan and blood biochemical examination were performed, and concurrent adrenal pheochromocytoma was considered. Multidisciplinary team decided to perform adrenal surgery priority. When the recovery of patient appeared after first operation, radical thyroidectomy was performed. Whether the co-existence of pheochromocytoma and PTC is coincidence or caused by RET gene or unknown inherited genetic mutations is unclear, so accumulation of studies with more combined cases should be done and genetic testing data are needed.

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    Review
    Classification and surgical treatment of congential biliary dilatation
    WANG Jin, WU Shuodong
    2023, 28 (02):  166-170.  DOI: 10.16139/j.1007-9610.2023.02.15
    Abstract ( 471 )   HTML ( 5 )   PDF (1044KB) ( 182 )  

    Congential biliary dilitation (CBD) is rare biliary tract disease in clinic. Clinical classification and disease characteristics of CBD is the key of accurate treatment. Surgical treatment was regarded as the first choice for adult patients with CBD including traditional surgery. There is still a controversy in the strategy of reconstruction of bile duct during operation. In this article the progress in diagnosis and treatment of CBD was reviewed.

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    Clinical study on comprehensive treatment of gallbladder cancer
    WANG Yuanjiang, ZOU Hao
    2023, 28 (02):  171-176.  DOI: 10.16139/j.1007-9610.2023.02.16
    Abstract ( 364 )   HTML ( 5 )   PDF (844KB) ( 190 )  

    Early detection of gallbladder cancer is difficult with poor prognosis in late stage. Although radical surgical treatment is the main method to cure gallbladder cancer at present, only less patients have radical surgery clinically. Chemotherapy, radiotherapy, targeted therapy and immunotherapy may improve the survival of some patients with gallbladder cancer. However, how to cure gallbladder cancer is still difficult clinic. In this paper, the review of literatures at home and abroad on surgical treatment, chemotherapy, radiotherapy, targeted therapy, and immunotherapy for gallbladder cancer was done.

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    Exosome in gastric cancer: research and perspective
    FAN Qingquan, SONG Xiaoling, GU Jun
    2023, 28 (02):  177-180.  DOI: 10.16139/j.1007-9610.2023.02.17
    Abstract ( 174 )   HTML ( 2 )   PDF (927KB) ( 248 )  

    Exosomes are extracellular vesicles of 40-150 nm in size, which are widely distributed in various body fluids. Gastric cancer is the most common digestive tract malignancy in China. Exosomes are involved in the malignant evolution of gastric cancer in multiple ways including growth, progression, metastasis and microenvironment of tumor. Exosomes might be a non-invasive biological marker for early diagnosis of gastric cancer and have also shown potential as drug carriers in the treatment of gastric cancer. This article reviews recent research on exosomes in the pathogenesis and treatment of gastric cancer.

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