Publications by authors named "Cheng-Zhu Zheng"

Background: Laparoscopic sleeve gastrectomy (LSG) is becoming a stand-alone bariatric surgery for obesity, but its effectiveness for Mainland Chinese patients remains unclear.

Objectives: To evaluate the effectiveness and safety of LSG for Mainland Chinese patients SETTING: A tertiary hospital METHODS: Retrospective analysis of patients admitted for LSG between January 2011 and February 2012 was performed. Medium-term outcome measures were: total weight loss (%TWL), excess weight loss (%EWL), co-morbidities, improvement, and complications.

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Background: Laparoscopic adjustable gastric banding (LAGB), as one major bariatric surgery for treatment of obesity, results in ineffective long-term weight loss and a high reoperation rate. The objective of this study was to evaluate the long-term effects of LAGB on the weight loss outcomes and reoperation rates of obese patients with different body mass index (BMI) levels in China.

Methods: A retrospective study was performed to review the follow-up data of obese patients who underwent LAGB at Shanghai Changhai Hospital between November 2003 and May 2013.

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Objective: To evaluate the surgical outcomes and complications after laparoscopic adjustable gastric banding (LAGB) in obese patients.

Methods: This retrospective study included 228 patients (73 males and 155 females, mean age, 32.5 ± 10.

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Objective: To summarize the surgical technique and perioperative management of laparoscopic sleeve gastrectomy (LSG).

Methods: A total of 57 morbid obesity patients undergoing LSG surgery from May 2010 to December 2012 were enrolled in the study, whose clinical data in perioperative period were analyzed retrospectively. These patients had more than 1 year of follow-up.

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Objectives: To investigate the impacts of laparoscopic bariatric surgery on fasting glucagon-like peptide-1 (GLP-1) and Ghrelin level in patients with type 2 diabetes mellitus (T2DM), and the mechanism in surgical treatment of T2DM.

Methods: From March 2010 to August 2011, 44 patients with T2DM underwent laparoscopic bariatric, including laparoscopic Roux-en-Y gastric bypass (LRYGB, n = 14), laparoscopic mini-gastric bypass (LMGB, n = 11), laparoscopic sleeve gastrectomy (LSG, n = 9) and laparoscopic adjustable gastric banding (LAGB, n = 10). The curative effects, changes of metabolism and gastrointestinal hormones were analyzed respectively.

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Objective: To evaluate the long-term outcomes of weight loss and the cause of high rate of loss to follow-up after laparoscopic adjustable gastric banding (LAGB) in obese patients.

Methods: Clinical and follow-up data of 226 obese patients undergoing LAGB operation in the Changhai Hospital from June 2003 to June 2007 were analyzed retrospectively.

Results: A total of 125 patients were followed up for 3-7 years.

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An international symposium on the standard surgical treatment of morbid obesity and type 2 diabetes mellitus was held in Florida, USA in March 2011. An expert panel from all over the world attended the meeting. The expert panelists discussed and established International Sleeve Gastroectomy Expert Panel Consensus Statement : best practice guidelines based on experience of more than 12,000 cases, which made a very commendable attempt in standardized surgical pathway of sleeve gastroectomy.

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Objective: To investigate the outcomes after 2 methods of laparoscopic gastric bypass surgery for patients with type 2 diabetes mellitus(T2DM).

Methods: From December 2009 to June 2011, 21 patients with T2DM underwent laparoscopic gastric bypass surgery, including laparoscopic Roux-en-Y gastric bypass (LRYGB, n=11), and laparoscopic mini-gastric bypass (LMGB, n=10). Clinical data were analyzed retrospectively.

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Objective: To evaluate the outcomes after laparoscopic gastrointestinal surgery for patients with obesity and type 2 diabetes mellitus(T2DM).

Methods: From June 2003 to June 2010, 219 patients underwent laparoscopic gastrointestinal surgery for obesity and T2DM, including laparoscopic adjustable gastric banding(LAGB, n=201), laparoscopic mini gastric bypass(LMGB, n=13), and laparoscopic sleeve gastrectomy(LSG, n=5). Clinical data were analyzed retrospectively.

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Objective: To investigate the effects of Gastric bypass surgery on the apoptosis of islet β-cells in type 2 nonobese diabetic (NOD) rats and its mechanisms.

Methods: Seventy-two 8-week-old GK rats were randomly divided into four groups:operation group (group O, n = 18), sham operation group (group S, n = 18), diet control group (group F, n = 18) and control group (group C, n = 18). The levels of fasting, postprandial blood glucose, insulin and glucagon-like peptide-1 (GLP-1) were measured and compared among the 4 groups before the operation and at 1, 2, 4 and 8 weeks following the operation.

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Background: Laparoscopic resection of gastric stromal tumors is being performed with increased frequency. This study aims to evaluate the feasibility and safety of the extraluminal laparoscopic gastric wedge resection (ELWR) technique.

Methods: Clinical data of 84 patients who underwent ELWR for gastric submucosal tumors between September 2000 and December 2007 were reviewed and analyzed retrospectively.

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Objective: To report the newly developed reconstruction technique after laparoscopic total gastrectomy: intracorporeal circular stapling esophagojejunostomy using the transorally inserted anvil (OrVil; Covidien), and evaluate its feasibility, safety, and clinical outcomes.

Methods: After LTG (3 patients with gastric carcinoma in the body) or LPG (2 patients with gastric carcinoma in the cardiac and fundus, respectively, and 1 with cardiac stromal tumor), the anvil was then inserted transorally into the esophagus by using the OrVil system. Double-stapling esophagojejunostomy or esophagogastrostomy with a circular stapler was performed intracorporeally.

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Objective: To investigate the effects of duodenal-jejunal bypass(DJB) and sleeve gastrectomy(SG) on the expression of liver glucokinase(GCK) in diabetic rats.

Methods: Animal models of Goto-Kakizaki rats and Sprague-Dawley rats were established by DJB and SG. Results of fasting glycemia and insulin were compared.

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Objective: To evaluate the short-term outcome of laparoscopic gastric bypass on obesity patients with type 2 diabetes mellitus.

Methods: Seven obesity patients with type 2 diabetes mellitus received laparoscopic gastric bypass(n=1) or laparoscopic minigastric bypass(n=6), and their data of treatment outcomes were analyzed.

Results: The operations were all successfully performed without any complications.

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Objective: To evaluate the outcome of weight loss by laparoscopic adjustable gastric banding (LAGB) on obesity patients and the improvement of comorbidity.

Methods: From June 2003 to June 2009, the data 172 obesity patients(119 women, 53 men, mean age 28.5 years, mean body mass index 38.

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Purpose: Laparoscopic resection of submucosal tumors in the gastric fundus, especially in the posterior wall near the esophagocardiac junction (ECJ), is difficult and time consuming and is and likely to cause esophageal stenosis and splenic injury. In this article, we report an extraluminal laparoscopic wedge-resection (ELWR) that minimizes these problems.

Methods: Thirty-seven patients with submucosal tumors in the posterior wall of the gastric fundus received ELWR.

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Objective: To evaluate the efficacy of laparoscopic sleeve gastrectomy(LSG) on improving glycemic control of morbidly obese patients with type 2 diabetes mellitus.

Methods: Prospective study of 30 type 2 diabetes mellitus(T2DM) patients with BMI > or = 35 undergone LSG was carried out. Pre- and post-operative clinical parameters associated with diabetes mellitus 6 months after operation were evaluated.

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Objective: To explore the benefit of neoadjuvant chemotherapy in advanced gastric cancer patients treated by laparoscopy.

Methods: Fifteen patients with histologically proved gastric adenocarcinomas (stages II(, III(, IIII(M(0)) were treated with FOLFOX7 neoadjuvant chemotherapy followed by laparoscopy between June 2005 and March 2007( trial group). Thirty patients were assigned to the control group with only laparoscopic treatment in the same period.

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Objective: To investigate the efficacy of sleeve gastrectomy plus gastric remnant banding on weight reduction and remnant gastric dilatation in SD rat model.

Methods: Sleeve gastrectomy plus gastric remnant banding was performed in 20 male SD rats as the study group; sleeve gastrectomy was performed in 20 SD male rats as the control group, and laparotomy was performed in 10 SD male rats as the blank control group. Body weight was measured before the experiment, at day 1 and at 2-week intervals within 16 weeks after operation.

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Objective: To evaluate the safety and efficacy of laparoscopic compression anastomosis clip (LapCAC) for laparoscopic gastrointestinal anastomosis.

Methods: In March, 2007, three gastric cancer patients undergone total gastrectomy (1 case) and distal gastrectomy (2 cases) received laparoscopic gastrointestinal anastomosis with LapCAC. The gastrointestinal anastomotic complications, first post-operational flatus, bowel movement and extrusion of clip device were observed.

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Objective: To investigate the diagnosis and treatment of the complications in patients after laparoscopic adjustable gastric banding (LAGB) procedure.

Methods: Retrospectively analyze the data of the 23 patients who received the LAGB procedure from June 2003 to November 2004.

Results: Of the 23 LAGB operations, 3 (13%) cases of vomiting and nausea, 1 (4.

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Objective: To compare the immunity of morbid obesity (MO) before and after laparoscopic adjustable gastric banding (LAGB).

Methods: 15 cases, with a mean body mass index (BMI) of 35.8 kg/m(2), were treated by LAGB from Jun.

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Aim: Laparoscopic resection of tumors on the posterior wall of gastric fundus, especially when they are next to the esophagocardiac junction (ECJ), is both difficult and time-consuming. Furthermore, it can lead to inadvertent esophagus stenosis and injury to the spleen. In order to overcome these difficulties, laparoscopically extraluminal resection of gastric fundus was designed to manage submucosal tumors located on the posterior wall of gastric fundus and next to ECJ.

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Objective: To evaluate the predictive value of magnetic resonance cholangiography (MRC) in selected patients before laparoscopic cholecystectomy (LC).

Methods: Patients with risk factors for common bile duct (CBD) stones scheduled for elective LC from March 1999 to May 2001, underwent MRC followed by endoscopic retrograde cholangiography (ERC) to detect the stones and the accuracy of MRC. Selection of suspected patients was based on clinical, ultrasonographic, and laboratory criteria.

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Objective: To investigate the incidence of aberrant bile duct and its management during laparoscopic cholecystectomy (LC).

Methods: In 10 000 patients undergoing laparoscopic cholecystectomy from 1992 to July 2001, 3 had the involvement of the right accessory hepatic duct. In patient 1, the aberrant duct drained into the cystic duct was confirmed by open operation.

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