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Study on acute recent stage pancreatitis

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World Journal of Gastroenterology 2014年第43期20卷 16138-16145页

作者： Ye-Chen Feng Min Wang Feng Zhu ren-yi qin Department of Biliary-Pancreatic Surgery Affiliated Tongji HospitalTongji HospitalTongji Medical CollegeHuazhong University of Science and Technology

Acute pancreatitis(AP)is an inflammatory disease of the pancreas which involves the pancreas and surrounding tissue,and systemic inflammation with a characteristic systemic increase of vascular permeability and increased risk of multiple organ ***,the pathogenesis of AP is fuzzy,and the diagnosis and treatment need to be ***,increased knowledge of AP may achieve more thorough understanding of the *** use of further advanced diagnostic tools and superior treatment,potentially will help clinicians to manage AP at an appropriate ***,in view of the multi factorial disease and the complex clinical manifestations,the management of patients with AP is also remaining areas for improvement.

关键词： Acute pancreatitis Organ failure Necrosis Inflammation Management

Quality of life after pancreatic surgery

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World Journal of Gastroenterology 2024年第8期30卷 943-955页

作者： Shi-Zhen Li Ting-Ting Zhen yi Wu Min Wang Ting-Ting qin Hang Zhang ren-yi qin Department of Biliary-Pancreatic Surgery Affiliated Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030Hubei ProvinceChina

BACKGROUND Pancreatic surgery is challenging owing to the anatomical characteristics of the *** attention has been paid to changes in quality of life(QOL)after pancreatic *** To summarize and analyze current research results on QOL after pancreatic *** A systematic search of the literature available on PubMed and EMBASE was performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses *** studies were identified by screening the references of retrieved *** on patients’QOL after pancreatic surgery published after January 1,2012,were *** included prospective and retrospective studies on patients'QOL after several types of pancreatic *** results of these primary studies were summarized *** A total of 45 articles were included in the study,of which 13 were related to pancreaticoduodenectomy(PD),seven to duodenum-preserving pancreatic head resection(DPPHR),nine to distal pancreatectomy(DP),two to central pancre-atectomy(CP),and 14 to total pancreatectomy(TP).Some studies showed that 3-6 months were needed for QOL recovery after PD,whereas others showed that 6-12 months was more *** TP and PD had similar influences on QOL,patients needed longer to recover to preoperative or baseline levels after *** QOL was better after DPPHR than ***,the superiority of the QOL between patients who underwent CP and PD remains *** decrease in exocrine and endocrine functions postoperatively was the main factor affecting the *** invasive surgery could improve patients’QOL in the early Core Tip:This review summarizes and analyzes current research results on quality of life(QOL)after pancreatic *** article covers the discussion and analysis of the QOL of various pancreatic *** kind of surgical procedure has better QOL is *** long-term benefits on QOL of minimally invasive su

关键词： Quality of life Pancreaticoduodenectomy Duodenum-preserving pancreatic head resection Distal pancreatectomy Central pancreatectomy Total pancreatectomy

Impact of Percutaneous Transhepatic Biliary Drainage on Clinical Outcomes of Patients with Malignant Obstructive Jaundice Undergoing Laparoscopic Pancreaticoduodenectomy

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Current Medical Science 2021年第2期41卷 375-380页

作者： He-bin WANG Feng PENG Min WANG ren-yi qin Feng ZHU Department of Biliary-Pancreatic Surgery Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China

Preoperative biliary drainage may increase the morbidity and mortality of *** on percutaneous transhepatic biliary drainage(PTBD)before laparoscopic pancreaticoduodenectomy(LPD),however,are *** aim of this study was to examine the impact of PTBD on clinical outcomes of patients with malignant obstructive jaundice undergoing *** data of 172 patients who had malignant obstructive jaundice and underwent LPD from 2014 to 2017 in our hospital were retrospectively ***,catheterrelated complications,postoperative complications,and oncological outcormes were collected and *** score matching was performed to minimize selection bias associated with the comparison of data between patients who underwent PTBD and then LPD(PTBD group),and those given LPD alone(LPD group).The results showed that,in the PTBD group relative to the LPD group,the operating time was significantly shortened(250.28±69.95 vs.278.58±86.51 min,P=0.0196),the intraopcrative blood loss was markedly reduced(271.96±403.47 vs.429.72±482.47 mL,P=0.022),and overall rates of complications(16.33%vs.36.49%,P=0.0025)including postoperative haemorrhage(2.04%vs.12.16%,P=0.0072)and delayed gastric emptying(4.08% vs.13.51%,P=0.0251)were greatly *** propensity score-matched analysis,with 48 patients enrolled in each group,revealed no statistically significant differences in operating duration(262.71±68.64 vs.280.25±83.52 min,P=0.264),intraoperative blood loss(290.21±407.71 vs.373.75±422.33 mL,P=0.327)and delayed gastric emptying(4.17% vs.12.50%,P=0.1396).PTBD group had lower incidences in overall complications(22.92% vs.39.58%,P=0.0481)and postoperative haemorrhage(2.08% vs.12.50%,P=0.0497)than LPD *** conclusion,patients with malignant obstructive jaundice may benefit from PTBD procedure before LPD in terms of perioperative outcomes.

关键词： percutaneous transhepatic biliary drainage laparoscopic pancreaticoduodenectomy jaundice complication propensity score matching

Pancreaticoduodenectomy for borderline resectable pancreatic head cancer with a modified artery-first approach technique

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Hepatobiliary & Pancreatic Diseases International 2017年第2期16卷 215-221页

作者： Min Wang Hang Zhang Feng Zhu Feng Peng Xin Wang Ming Shen ren-yi qin Department of Pancreatic-Biliary Surgery Affiliated Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430030 China

BACKGROUND： The treatment of borderline resectable pancreatic head cancer（BRPHC） is still controversial and challenging. The artery-first approaches are described to be the important options for the early determination. Whether these approaches can achieve an increase R0 rate, better bleeding control and increasing long-term survival for BRPHC are still controversial. We compared a previously reported technique, a modified artery-first approach（MAFA）, with conventional techniques for the surgical treatment of ***： A total of 117 patients with BRPHC undergone pancreaticoduodenectomy（PD） from January 2013 to June 2015 were included. They were divided into an MAFA group（n=78） and a conventional-technique group（n=39）. Background characteristics, operative data and complications were compared between the two ***： Mean operation time was significantly shorter in the MAFA group than that in the conventional-technique group（313 vs 384 min; P=0.014）; mean volume of intraoperative blood loss was significantly lower in the MAFA group than that in the conventional-technique group（534 vs 756 m L; P=0.043）; and mean rate of venous resection was significantly higher in the conventional-technique group than that in the MAFA group（61.5% vs 35.9%; P=0.014）. Pathologic data, early mortality and morbidity were not different significantly between the two ***： MAFA is safe, simple, less time-consuming, less intraoperative blood loss and less venous resection, and therefore, may become a standard surgical approach to PD for BRPHC with the superior mesenteric vein-portal vein involvement but without superior mesenteric artery invasion.

关键词： pancreatic head cancer pancreaticoduodenectomy borderline resectable

CD133^+ gallbladder carcinoma cells exhibit self-renewal ability and tumorigenicity

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World Journal of Gastroenterology 2011年第24期17卷 2965-2971页

作者： Cheng-Jian Shi Jun Gao Min Wang Xin Wang Rui Tian Feng Zhu Ming Shen ren-yi qin Department of Biliary-pancreatic Surgery Affiliated Tongji Hospital Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430030 Hubei Province China Department of General Surgery The Affiliated Hospital of Qingdao University Medical College Qingdao 266003 Shandong Province China

AIM： To identify cancer stern cells （CSCs） in human gallbladder carcinomas （GBCs）. METHODS： Primary GBC cells were cultured under serum-free conditions to produce floating spheres. The stem-cell properties of the sphere-forming cells, including self-renewal, differentiation potential, chemoresistance and tumorigenicity, were determined in vitro or in vivo. Cell surface expression of CD133 was investigated in primary tumors and in spheroid cells using flow cytometry. The sphere-colony-formation ability and tumorigenicity of CD133＋ cells were *** spheroids were generated from primary GBC cells, and these sphere-forming cells could generate new progeny spheroids in serum-free media. Spheroid cells were differentiated under serum-containing conditions with downregulation of the stem cell markers Oct-4, Nanog, and nestin （P 〈 0.05）. The differentiated cells showed lower spheroid-colony-formation ability than the original spheroid cells （P 〈 0.05）. Spheroid ceils were more resistant to chemotherapeutic reagents than the congenetic adherent cells （P 〈 0.05）. Flow cytometry showed enriched CD133＋ population in sphereforming cells （P 〈 0.05）. CD133＋ cells possessed high colony-formation ability than the CD133 population （P 〈 0.01）. CD133＋ cells injected into nude mice revealed higher tumorigenicity than their antigen-negative counterparts （P 〈 0.05）. CONCLUSION： CD133 may be a cell surface marker for CSCs in GBC.

关键词： Gallbladder carcinoma Cancer stem cell Non-adherent spheres CD133 protein Self-renewal Tumorigenicity

Circulating myeloid-derived suppressor cells in patients with pancreatic cancer

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Hepatobiliary & Pancreatic Diseases International 2016年第1期15卷 99-105页

作者： Xiao-Dong Xu Jun Hu Min Wang Feng Peng Rui Tian Xing-Jun Guo Yu Xie ren-yi qin Department of Biliary-Pancreatic Surgery Affiliated Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430030 China Department of Colon Cancer Tianjin Medical University Cancer Institute and Hospital National Clinical Research Center of Cancer Key Laboratory of Cancer Prevention and TherapyTianjin 300060 China

BACKGROUND： Myeloid-derived suppressor cells （MDSCs） are heterogeneous cell types that suppress T-cell responses in cancer patients and animal models, some MDSC subpopulations are increased in patients with pancreatic cancer. The present study was to investigate a specific subset of MDSCs in patients with pancreatic cancer and the mechanism of MDSCs increase in these patients. METHODS： Myeloid cells from whole blood were collected from 37 patients with pancreatic cancer, 17 with cholangiocarcinoma, and 47 healthy controls. Four pancreatic cancer cell lines were co- cultured with normal peripheral blood mononudear cells （PBMCs） to test the effect of tumor cells on the conversion of PBMCs to MDSCs. Levels of granulocyte-macrophage colony-stimulating factor （GM-CSF） and arginase activity in the plasma of cancer patients were analyzed by enzyme-linked immunosorbent assay. RESULTS： CD14＋/CD11b＋/HLA-DR MDSCs were increased in patients with pancreatic or bile duct cancer compared with those in healthy controls, and this increase was correlated with clinical cancer stage. Pancreatic cancer cell lines induced PBMCs to MDSCs in a dose-dependent manner. GM-CSF and arginase activity levels were significantly increased in the se rum of patients with pancreatic cancer. CONCLUSIONS： MDSCs were tumor related： tumor cells induced PBMCs to MDSCs in a dose-dependent manner and circulating CD14＋/CD11b＋/HLA-DR- MDSCs in pancreatic cancer patients were positively correlated with tumor burden. MDSCs might be useful markers for pancreatic cancer detection and progression.

关键词： pancreatic cancer myeloid-derived suppressor cells granulocyte- macrophage colony-stimulating factor arginase

A new approach for Roux-en-Y reconstruction after pancreaticoduodenectomy

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Hepatobiliary & Pancreatic Diseases International 2014年第6期13卷 649-653页

作者： Meng Xu Min Wang Feng Zhu Rui Tian Cheng-Jian Shi Xin Wang Ming Shen ren-yi qin Department of Pancreatic-Biliary Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology

BACKGROUND： Postoperative pancreatic fistula remains the most common complication of pancreaticoduodenectomy （PD） and is potentially lethal. It contributes significantly to prolonged hospitalization and mortality. In this study, we introduced a new technical approach, a modified Roux-en-Y reconstruction and evaluated its safety and feasibility. METHODS： We retrospectively reviewed the patients who had undergone PD with the modified Roux-en-Y reconstructive technique for periampullary malignancies from January 2011 to June 2012. The data on complications, hospital stay and outcomes after the modified Roux-en-Y reconstruction were analyzed. RESULTS： The reconstruction was performed in 171 patients, of whom 92 received pancreaticogastrostomy and 79 received pancreaticojejunostomy. The median duration of surgery was 4.0 hours （range 3.1-6.9） in all patients, and the median blood loss was 530 mL （range 200-2000）. Sixty-nine patients were subjected to transfusions, with a median transfusion volume of 430 mL （range 200-1400）. The median hospital stay of the patients was 14 days （range 11-38）. Their operative mortality was zero and overall morbidity was 18.1% （31 patients）. Only four patients （2.3%） developed pancreatic fistulas （grade A fistulas in two patients and grade B in two patients）; no patients developed grade C fistula. None of the patients developed bile reflux gastritis. CONCLUSIONS： The modified Roux-en-Y reconstruction, which isolates biliary anastomosis from pancreatic, gastric or jejunalanastomosis, is a safe, reliable, and favorable technique. But it needs further investigation in randomized controlled trials.

关键词： Roux-en-Y reconstruction postoperative complications pancreatic fistula periampullary malignancy

Imaging changes of the pancreas and the occasion of refeeding in patients with acute pancreatitis

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Hepatobiliary & Pancreatic Diseases International 2002年第2期1卷 290-293页

作者： ren-yi qin Fa-Zu Qiu From the Department of Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China Department of Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430030 China. ryqin@***

Objective: To explore the objective basis of the time and characterstics of refeeding of patients with acute pancreatitis (AP). Methods: AP patients were randomly divided into routine group (n=105) and special group (n=99). The refeeding time and characteristics of the routine group were based on their levels of blood and urine amylase, function of the gastrointestinal tract, and symptoms and signs, and those of the special group on their imaging changes of ultrasonography and CT of the pancreas. Clinical data from the groups were analyzed prospectively and statistically. Results: At the beginning of refeeding, patients of the two groups showed a high recurrence rate of ab- dominal pain (routine group, 9.1%; special group, 10.5%), but no AP relapse. Three days to 2 weeks after refeeding, the patients of the routine group had a higher recurrence rate of abdominal pain (11.1%) and a relapse rate of AP (14.1%) as compared with those of the special group (Prently. However, 3 days to 4 weeks after refeeding, the patients of the special group had no recurrence of abdominal pain and relapse of AP. Imaging changes of the pancreas and peripancreatic tissue were not consistent with the symptoms and signs of AP patients. The higher the Balthazar CT grading and APACHE-Ⅱ score, the higher the recurrence rate of abdominal pain and the relapse rate of AP after refeeding (P<0. 05). Conclusions: Symptoms and signs were usually dis- cordant to the imaging changes of the pancreas in AP patients. Imaging changes of the pancreas might serve as a basis for the best occasion of refeeding light semi-fluid or light food in AP patients.

关键词： acute pancreatitis pancreatic imaging refeeding

Electrocatalytic cleavage of a lignin β-O-4 model compound and coupling with nitrogen-containing aromatics using Prussian blue analogue-derived nickel–cobalt spinel

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Journal of Energy Chemistry 2025年第1期100卷 628-636页

作者： yi Qi Xueying Chen Bowen Liu Xuliang Lin Xueqing Qiu Yanlin qin Guangdong Provincial Key Laboratory of Plant Resources Biorefinery School of Chemical Engineering and Light Industry Guangdong University of Technology Guangdong Provincial Laboratory of Chemistry and Fine Chemical Engineering Jieyang Center Guangdong Basic Research Center of Excellence for Ecological Security and Green Development Guangdong University of Technology

Electrochemical conversion of lignin for the production of high-value heterocyclic aromatic compounds has great *** demonstrate the targeted synthesis and cation modulation of NiCo2O4spinel nanoboxes,synthesized via cation exchange and calcination *** catalysts exhibit excellent efficacy in the electrocatalytic conversion of lignin model compounds,specifically 2-phenoxy-1-phenylethanol,into nitrogen-containing aromatics,achieving high conversion rates and *** catalysts were synthesized via a cation exchange and calcination oxidation process,using Prussian blue nanocubes as *** porous architecture and polymetallic composition of the NiCo2O4spinel demonstrated superior performance in electrocatalytic oxidative coupling,achieving a 99.2 wt%conversion rate of the 2-phenoxy-1-phenylethanol with selectivities of 37.5 wt%for quinoline derivatives and 31.5 wt%for *** innovations include the development of a sustainable one-pot synthesis method for quinoline derivatives,the elucidation of a multistage reaction pathway involving CAO bond cleavage,hydroxyaldol condensation,and CAN bond formation,and a deeper mechanistic understanding derived from DFT *** work establishes a new strategy for lignin valorization,offering a sustainable route to produce high-value nitrogen-containing aromatics from renewable biomass under mild conditions,without the need for additional reagents.

关键词： Spinel Biomass valorization Electrocatalysis Lignin oxidation Coupling