Functional Roux-en-Y Gastric Bypass (F-RYGB), with Preservation of Duodenal Access: Report of Two Revisional Cases of Sleeve Gastrectomy

Objective: This case report aimed to demonstrate a possible neuromuscular effect of Latarjet nerves transection or truncal vagotomy, in association with sleeve gastrectomy plus antrojejunostomy, in order to reproduce a Roux-en-Y gastric bypass (RYGB) mechanistic principles, in patients with previous Sleeve Gastrectomy (SG) who had had weight regain, with or without concomitant gastroesophageal reflux disease (GERD). Background: Sleeve gastrectomy (SG) is one of the most frequently performed bariatric operations worldwide. Nevertheless, weight regain and gastroesophageal reflux disease (GERD) have been consistently demonstrated, in association with this technique, which may require a revisional procedure. RYGB is an option in such a situation but, implies in gastrointestinal exclusions, which represents a shortcoming of this revision. Surpassing this inconvenient would be of great value for the patients. Methods: We describe herein two cases of SG revision for weight regain and GERD, with a follow-up of one year. Gastroesophageal reflux disease was evaluated by validated questionnaire, upper endoscopy, seriography, high resolution manometry (HRM) and impedance pHmetry (I-pHmetry), in the pre and postoperative periods. A re-Sleeve Gastrectomy with antrojejunal anastomosis was done in both cases, after informed consents. The Latarjet nerves were transected in one case, due to a bleeding in the left gastric vessels and a truncal vagotomy was required in the other, to appropriately treat an associated hiatal hernia. Results: In the postoperative evaluation it was observed a pyloric spasm in both cases, during seriography and endoscopy, kept until the one-year follow-up. There was unidirectional contrast flow to the gastrointestinal anastomosis, filling the jejunal limb, in radiologic contrast study. No contrast passed through the pylorus. Nonetheless, the duodenum was kept endoscopically accessible. In the one-year evaluation, weight loss was adequate and GERD resolution was obtained in both cases, confirmed by endoscopic and functional esophageal assessment, together with symptoms questionnaire. Conclusion: The association of Latarjet nerves sectioning or truncal vagotomy with re-sleeve gastrectomy plus gastrointestinal anastomosis (antrojejunal), in a revision for a failed sleeve, can represent a technical approach, to reproduce RYGB results, without exclusions and with duodenum endoscopic accessibility maintenance. It maybe could be applied for primary surgeries. Additional studies are necessary to confirm this hypothesis.

Roux-en-Y gastric bypass for Chinese type 2 diabetes mellitus patients with a BMI,28kg/m^2:a multi-institutional study

Roux-en-Y gastric bypass surgery（RYGB） has been demonstrated to be successful for treating type-II diabetes2mellitus（T2DM） patients with a body mass index（BMI）,30 kg/m,but reports of RYGB for T2 DM patients with22 a BMI,28 kg/mare lacking.T2 DM patients with a BMI,28 kg/mwere prospectively recruited to participate in this study in four hospitals.The endpoint was T2 DM remission（defined by fasting blood glucose（FBG） level,110 mg/d L and hemoglobin（Hb）A1c level,6.0% at 12 months postoperatively）.Predictors of remission were investigated by univariate and multivariate analyses.Eighty-six patients were assessed.Eighty-five patients underwent RYGB,with one conversion to open surgery.We compared the values of various variables before and after2 surgery.The mean BMI decreased from 24.68±2.12 to 21.72±2.43 kg/m（P,0.001）.Fifty-eight（67.4%） patients were not treated by drugs or insulin after surgery,and 20 patients（23.3%） had complete remission of T2 DM at12 months after surgery with an acceptable number of complications.The mean Hb A1 c level in the remission group was significantly lower than that in the non-remission group.Patients with a higher weight,lower Hb A1 c level,higher C-peptide level,and higher FBG level were more likely to have T2 DM remission in multivariate2 analyses.In conclusion,RYGB was effective and safe for treating T2 DM patients with a BMI,28 kg/m.Complete remission can be predicted by cases having a higher weight,lower Hb A1 c level,higher C-peptide level,and higher FBG level.

Bariatric surgery in old age:a comparative study of laparoscopic Roux-en-Y gastric bypass and sleeve gastrectomy in an Asia centre of excellence

Bariatric surgery has been proved to be the safest and efficient procedure in treating morbid obese patients,but data is still lacking in the elderly population.The aim of our study was to compare the safety and efficacy of laparoscopic Roux-en-Y gastric bypass（LRYGB） and sleeve gastrectomy（LSG） in patients aged more than 55 years.We performed2 a retrospective review of a prospectively collected database.All patients with body mass index（BMI） §32 kg/mand aged more than 55 years undergoing LRYGB or LSG in BMI Surgery Centre,E-Da Hospital between January 2008 and December 2011 with at least one year of follow up were included for the analysis.Demography,peri-operative data,weight loss and surgical complications were all recorded and analyzed.Mean age and BMI of these 68 patients22（22 males and 46 female） were 58.8 years（55-79 years） and 39.5 kg/m（32.00-60.40 kg/m）.LRYGB was performed in 44 patients and LSG in 24 patients.The two groups were comparable in their preoperative BMI,American Society of Anaesthesia（ASA） score and gender distribution.LSG patients were significantly older than patients receiving LRYGB.The proportion of type 2 diabetes preoperatively was significantly higher in LRYGB patients as compared to LSG patients（88.63% vs.50%; P,0.01）.The prevalence of other co-morbidities was similar and comparable2 between the groups.Mean BMI in the LRYGB and LSG groups at the end of 1 year were 28.8 kg/mand228.2 kg/m,respectively,and there was no statistically significant difference in mean percentage of excess weight loss（%EWL） at 1 year.The percentage of resolution of diabetes was significantly higher in LRYGB（69.2%） as compared to LSG（33.3%）.On the other hand,there was no statistical difference in the percentage of resolution of hypertension,hyperlipidemia and fatty liver hepatitis.The overall morbidity and re-operation rate was higher in LRYGB patients.In morbidly elderly patients,both surgeries achieved good weight loss and resolution of comorbidities.LRYGB is superior to LSG in terms of diabetes remission but carries higher complication rates even at high volume centres.

Two case reports of acute upper gastrointestinal bleeding from duodenal ulcers after Roux-en-Y gastric bypass surgery: Endoscopic diagnosis and therapy by single balloon or push enteroscopy after missed diagnosis by standard esophagogastroduodenoscopy

The diagnosis and opportunity for endoscopic therapy of gastric or duodenal lesions may be missed at esophagogastroduodenoscopy(EGD) because of technical difficulty in intubating at EGD the postoperatively excluded stomach and proximal duodenum in patients status post Roux-en-Y gastric bypass(RYGB). Two cases are reported of acute upper gastrointestinal bleeding 10 or 11 years status postRYGB, performed for morbid obesity, in which the EGD was non-diagnostic due to failure to intubate the excluded stomach and proximal duodenum, whereas subsequent push enteroscopy or single balloon enteroscopy were diagnostic and revealed 4-cm-wide or 5-mm-wide bulbar ulcers and even permitted application of endoscopic therapy. These case reports suggest consideration of push enteroscopy, or single balloon enteroscopy, where available, in the endoscopic evaluation of acute UGI bleeding in patients status post RYGB surgery when the EGD was non-diagnostic because of failure to intubate these excluded segments.

Effect of Roux-en-Y gastric bypass surgery on intestinal Akkermansia muciniphila

AIM: To investigated changes in intestinal Akkermansia muciniphila(A. muciniphila) and explored the mechanism underlying the therapeutic effects of Roux-en-Y gastric bypass(RYGB) surgery on type 2 diabetes in diabetic Goto-Kakizaki(GK) rats. METHODS: Male diabetic GK rats(n = 12) aged 8 wk were randomly assigned to the surgery group(GK-RYGB) or sham surgery group(GK-Sham)(n = 6 per group), and another 6 male Wistar rats aged 8 wk served as controls(WS-Sham). In the surgery group, RYGB surgery was conducted, and a sham operation was performed in both sham groups. Fasting blood glucose(FBG) levels before and after surgery, fasting levels of serum insulin and serum glucagon-like peptide-1(GLP-1) and levels 30 min after intragastric injection of glucose, and the amount of A. muciniphila in the stool were determined. Insulin and GLP-1 were measured by enzyme-linked immunosorbent assay, and A. muciniphila were detected by fluorescence-based quantitative polymerase chain reaction. RESULTS: The FBG was improved, and serum GLP-1 and insulin increased significantly(P < 0.05) in the GKRYGB group after surgery compared to levels before surgery and to levels in the GK-Sham group. Before surgery, the amounts of A. muciniphila in the GK-RYGB and GK-Sham groups were significantly lower than in the WS-Sham group(P < 0.05). After surgery, the amount of A. muciniphila in the GK-RYGB group increased markedly compared to that before surgery and to that in the GKSham and WS-Sham groups(P < 0.05). In addition, the A.muciniphila amount was positively related to GLP-1(r = 0.86, P < 0.05). CONCLUSION: Our results demonstrated RYGB surgery may increase GLP-1 secretion, elevate serum insulin after intragastric injection of glucose, and improve insulin resistance in diabetic GK rats, thereby contributing to a significant reduction in blood glucose. The increased amount of A. muciniphila after RYGB surgery may be related to elevated GLP-1 secretion.

Life threatening bleeding from duodenal ulcer after Roux-en-Y gastric bypass: Case report and review of the literature

Acute upper gastrointestinal bleeding is a rare, but serious complication of gastric bypass surgery. The inaccessibility of the excluded stomach restrains postoperative examination and treatment of the gastric remnant and duodenum, and represents a major challenge, especially in the emergency setting. A 59-year-old patient with previous history of peptic ulcer disease had an upper gastrointestinal bleeding from a duodenal ulcer two years after having a gastric bypass procedure for morbid obesity. After negative upper endoscopy finding, he was urgently evaluated for gastrointestinal bleeding. At emergency laparotomy, the bleeding duodenal ulcer was identified by intraoperative endoscopy through gastrotomy. The patient recovered well after surgical hemostasis, excision of the duodenal ulcer and completion of the remnant gastrectomy. Every general practitioner, gastroenterologist and general surgeon should be aware of growing incidenceof bariatric operations and coherently possible complications after such procedures, which modify patient's anatomy and physiology.

Surgical outcome of laparoscopic sleeve gastrectomy and Roux-en-Y gastric bypass for resolution of type 2 diabetes mellitus:A systematic review and meta-analysis

BACKGROUND Bariatric procedures are considered superior to medical therapies in managing type 2 diabetes mellitus(T2DM).Laparoscopic Roux-en-Y gastric bypass(LRYGB)and laparoscopic sleeve gastrectomy(LSG)are the most commonly used procedures for weight loss and comorbidity resolution worldwide.However,it is not yet known whether the degree of T2DM is influenced by the choice of bariatric procedure.AIM To quantitatively compare T2DM resolution over 1-5 years follow-up by LRYGB and LSG in morbidly obese patients.METHODS We searched the selected databases for full-text English language clinical studies that compared the effectiveness of LRYGB and LSG for T2DM resolution.Review manager 5.3 was used for data analysis,and the overall effect summary was represented in a forest plot.RESULTS From 1,650 titles retrieved by an initial search,we selected nine studies for this research.We found insignificant differences for T2DM resolution by LRYGB and LSG,with an odds ratio of 0.93(95%CI:0.64-1.35,Z statistics=0.38,P=0.71).Additionally,subset analyses for T2DM resolution showed insignificant differences after 24 mo(χ^2=1.24,df=4,P=0.87,overall Z effect=0.23),36 mo(χ^2=0.41,df=2,P=0.81,overall Z effect=0.51),and 60 mo(χ^2=4.75,df=3,P=0.19,overall Z effect=1.20)by LRYGB and LSG.This study reports a T2DM remission rate of 82.3%by LRYGB and 80.7%by LSG.CONCLUSION This study reports similar T2DM resolution rates by both LRYGB and LSG during 1-5 years of follow-up.However,long-term follow-up of 10 years is needed to further substantiate these findings.

Computed tomography as primary postoperative follow-up after laparoscopic Roux-en-Y gastric bypass

AIM To evaluate upper abdominal computed tomography(CT) scan as primary follow-up after laparoscopic Rouxen-Y gastric bypass(LRYGB). METHODS This prospective study was approved by the Ethical Committee of the State of Zurich, and informed consent was obtained from all patients. Sixty-one patients who underwent LRYGB received upper abdominal CT on postoperative day 1, with the following scan parameters: 0.6 mm collimation, 1.2 mm pitch, Care KV with reference 120 m As and 120 kV, and 0.5 s rotation time. Diluted water-soluble radiographic contrastmedium(50 mL) was administered to achieve gastric pouch distension without movement of the patient. 3 D images were evaluated to assess postoperative complications and the radiation dose received was analysed. RESULTS From the 70 patients initially enrolled in the study, 9 were excluded from analysis upon the intraoperative decision to perform a sleeve gastrectomy and not a LRYGB. In all of the 61 patients who were included in the analysis, CT was feasible and there were no instances of aspiration or vomiting. In 7 patients, two upper abdominal scans were necessary as the pouch was not distended by contrast medium in the first acquisition. Radiologically, no leak and no relevant stenosis were found on the first postoperative day. These early postoperative CT findings were consistent with the findings at clinical follow-up 6 wk postoperatively, with no leaks, stenosis or obstructions being diagnosed. The average total dose length product in CT was 536.6 m Gycm resulting in an average effective dose of 7.8 m Sv. The most common surgical complication, superficial surgical site infections(n = 4), always occurred at the upper left trocar site, where the circular stapler had been introduced. CONCLUSION Early LRYGB postoperative multislice spiral CT scan is feasible, with low morbidity, and provides more accurate anatomical information than standard upper gastrointestinal contrast study.

Circular versus Linear versus Hand-Sewn Gastrojejunostomy in Roux-en-Y-Gastric Bypass: Data Analysis from a Quality Assurance Study of the Surgical Treatment of Obesity in Germany

Background: Since January 12005, the outcomes of bariatric surgeries have been recorded in Germany. All data are registered prospectively in cooperation with the Institute of Quality Assurance in Surgery at Otto-von-Guericke University Magdeburg.?Methods: Data are collected in an online data bank. Data collection began in 2005 for the results of Roux-en-Y Gastric Bypass (RYGB). In addition to primary bariatric operations, data regarding the complications and the amelioration of comorbidities have been analyzed. Participation in the quality assurance study is required for all certified centers in Germany.?Results: Roux-en-Y Gastric Bypass is the most popular bariatric operation in Germany. There were 5115 operations performed from 2005 to 2010. A circular anastomosis was performed in 1587 patients, and a linear anastomosis was performed in 2734 patients. In 783 patients the hand-sewn technique was used. The leakage rate for the linear technique is 1.6%, and the leakage rate is 1.2% for circular anastomosis and 1.4% for hand-sewn technique. The overall postoperative complication rate was significantly higher using the circular technique than using the linear or hand-sewn approach.?Conclusion: RYGB is a popular procedure in Germany. The complication rate has decreased since 2005. A comparison of hand sewn versus linear and versus circular anastomosis indicated a higher complication rate in circular gastrojejunal junctions.

Excessive Weight Loss Following Laparoscopic Gastric Mini Bypass or Roux-En-Y Gastric Bypass Surgery

Background: More than 90 percent of obesity surgery is done using a laparoscope. This method is superior to open surgery and lead to fewer complications, shorter hospital stay and faster recovery. This study compared course of weight loss following laparoscopic Gastric Mini Bypass or Roux-En-Y Gastric Bypass surgery, after one year of follow up. Materials and Methods: This randomized clinical trial was conducted among obese patients admitted to Rasoul Akram Hospital Obesity Clinic, Half underwent laparoscopic Roux-En-Y Gastric Bypass and the rest were undergoing laparoscopic Mini Gastric Bypass. The amount of weight loss during the first year after surgery will be discussed. Results: In this study, 75 obese patients were studied. Most of the participants were female (82.7%). Participants aged between 18 and 59 years old (average = 36.8 ± 9.8 y/o). Before the surgery, there was no significant difference in weight between the two groups. Excessive weight loss after one month, six months nine months and one year between the two groups was significant and was more in Mini Gastric Bypass (p < 0.05). Conclusion: Respecting the benefits of Mini Gastric Bypass compared to the Roux-En-Y Gastric Bypass technique, it is suggested for patients with morbid obesity.

腹腔镜Roux-en-Y胃旁路术治疗肥胖糖尿病20例疗效分析

目的探讨腹腔镜Roux-en-Y胃旁路手术(LRYGB)治疗肥胖糖尿病的临床疗效。方法回顾性分析2012年~2018年新疆维吾尔自治区人民医院微创、疝腹壁外科中心实施LRYGB的20例肥胖糖尿病人的临床资料。结果20例手术均顺利完成,中转开腹病例1例。手术时间60~420分钟,平均(150±105.64)分钟,术中失血量20~100ml,平均(37.5±20.99)ml,术后住院时间5~15天,平均(8.25±2.51)天。术后5年内7例(35.00%)发生并发症,均为Clavien-Dindo分级Ⅱ级。术后1、3、5年的体重、体质指数(BMI)、糖化血红蛋白、空腹血糖、总体重减少百分比(TWL%)与术前比较均有改善,差异有统计学意义(P<0.05)。术后5年LRYGB治疗2型糖尿病完全缓解15例(75.00%)。结论LRYGB对肥胖2型糖尿病病人是一种有效的减重及降糖的术式。

单纯Roux-en-Y胃旁路术治疗超重或肥胖合并食管裂孔疝4例报告

目的:探讨腹腔镜Roux-en-Y胃旁路术对超重或肥胖合并食管裂孔疝患者的治疗效果。方法:回顾分析2012年11月至2019年12月为4例肥胖或超重合并食管裂孔疝患者行减重及代谢手术的临床资料及随访资料。结果:4例患者中2例超重合并2型糖尿病,2例肥胖合并糖尿病或糖耐量异常,均合并高血压及血脂异常。3例术前胃镜提示食管裂孔疝,其中2例合并反流性食管炎(洛杉矶分级B级),诊断为胃食管反流病。4例术中均探查明确食管裂孔疝。4例患者均行单纯Roux-en-Y胃旁路术,未对食管裂孔疝进行修补。术后随访2~11.5年。肥胖患者术后1年内体重下降明显,多余体重减少百分比分别为63.64%与70.59%。2例超重合并糖尿病患者分别于术后第6个月、5年时血糖升高,另1例肥胖伴糖尿病患者完全缓解。4例患者术后均未出现胃食管反流症状;1例轻度贫血;高血压均缓解,肝功、血脂未见异常。结论:单纯Roux-en-Y胃旁路术治疗肥胖合并食管裂孔疝患者可有效减轻体重,对于超重或肥胖伴随疾病有明显改善,是安全、有效的。

Roux-en-Y胃旁路术后边缘溃疡1例并文献复习

边缘溃疡是胃旁路术后典型的并发症,处理不当将导致穿孔、出血或狭窄等严重后果。中南大学湘雅三医院收治1例Roux-en-Y胃旁路术后并发吻合口边缘溃疡病人,该例病人因代谢综合征于2011年4月行腹腔镜下Roux-en-Y胃旁路术。2017年9月起反复出现腹痛、伴有大便性状改变。完善检查后诊断为边缘溃疡,考虑为胃囊扩大所致,遂于2019年10月行腹腔镜下扩张胃囊减容术+部分小肠切除术。术后病人规律行抑酸护胃治疗,但仍反复出现腹痛,伴有恶心呕吐,行胃镜提示吻合口边缘溃疡仍未愈合。遂于2022年6月完善术前准备后行腹腔镜下胃部分-胃肠吻合口-营养支空肠切除术+胃旁路修正手术。术后病人症状明显改善,8个月后随访胃镜下未见明显溃疡征象。此例病人历经2次修正手术,前后历时近5年,方得以治愈,显示此并发症处理难度大,过程繁琐。作者对胃旁路术后边缘溃疡这一并发症进行了相关文献复习,对此类并发症的危险因素、治疗及预防策略进行了总结,以期为减重代谢外科临床医师提供参考。

不同小肠旷置长度应用于Roux-en-Y胃旁路术的研究进展

小肠旷置是Roux-en-Y胃旁路术(Roux-en-Y gastric bypass,RYGB)的关键环节,然而小肠旷置的长度,依然没有统一意见。在实行精准医疗的当下,通过对病人的小肠长度进行精确测量,个体化的制定合适的小肠旷置长度,可以在达到更佳的手术效果的同时减少术后并发症的发生。此文将结合文献介绍RYGB中不同的小肠旷置长度对手术效果的影响,期望为未来的临床实践和研究设计提供新的思路。

腹腔镜袖状胃切除术与Roux-en-Y胃旁路术治疗代谢综合征伴非酒精性脂肪肝患者的临床效果比较

目的比较腹腔镜袖状胃切除术(LSG)、Roux-en-Y胃旁路术(LRYGB)治疗代谢综合征(MS)伴非酒精性脂肪肝(NAFLD)的效果。方法前瞻性分析2021年4月至2022年10月焦作煤业(集团)有限责任公司中央医院收治的200例MS伴NAFLD患者,随机分为LRYGB组(腹腔镜LRYGB术)和LSG组(腹腔镜LSG术),各100例。比较两组手术指标、术后并发症、术前及术后6、12个月糖代谢指标[空腹血糖水平(FBG)、糖化血红蛋白水平(HbA1c)、胰岛素抵抗指数(HOMA-IR)]、脂代谢指标[总胆固醇(TC)、甘油三酯(TG)、高密度脂蛋白胆固醇(HDL-C)及低密度脂蛋白胆固醇(LDL-C)]、减重情况[体重、体重指数(BMI)]、NAFLD病情控制情况。结果LSG组术中总失血量少于LRYGB组,手术用时、术后进食流食时间、术后初次排气时间、住院天数均短于LRYGB组(P<0.05),术后并发症发生率低于LRYGB组(P<0.05);术后6个月和12个月,两组LSG组HbA1c、FBG、HOMA-IR、TC、TG、LDL-C水平、体重、BMI均较术前降低,HDL-C水平均较术前升高(P<0.05),但两组间比较,差异无统计学意义(P>0.05)。术后6个月和12个月,NAFLD病情均较术前减轻,但两组NAFLD病情控制情况比较,差异无统计学意义(P>0.05)。结论LSG与LRYGB均可有效治疗MS伴NAFLD患者,可改善糖代谢指标、脂代谢指标、减重情况,有效控制NAFLD病情,但与LRYGB相比,LSG能减少术中总失血量,缩短手术用时,减少术后并发症的发生,促进术后快速恢复,在MS伴NAFLD患者治疗中更具有优势。

腹腔镜Roux-en-Y胃肠旁路术治疗2型糖尿病

目的回顾该院第1例腹腔镜Roux-en-Y胃肠旁路术治疗2型糖尿病的资料并进行疗效分析。方法术前确定2型糖尿病的诊断,完善各项检查,排除手术禁忌证,全身麻醉下进行腹腔镜Roux-en-Y胃肠旁路术,术后对患者恢复情况、血糖、胰岛素抵抗、糖耐量、营养状况以及并发症进行随访。结果患者术后恢复较好,没有并发症发生,术后不用任何降糖药物,血糖控制良好,糖耐量试验结果转为正常,没有发生营养不良和贫血。结论该例患者经腹腔镜Roux-en-Y胃肠旁路术治疗后2型糖尿病获得治愈。

腹腔镜Roux-en-Y胃旁路术与腹腔镜胃袖状切除术治疗肥胖病的对比研究

目的比较腹腔镜Roux-en-Y胃旁路术（laparoscopic Roux-en-Y gastric bypass，LRYGB）与腹腔镜胃袖状切除术（ laparoscopic sleeve gastrectomy ，LSG）治疗肥胖病的疗效。方法2012年1月～2014年1月符合入组条件的肥胖病49例，术前BMI 38．85±6．40（32．01～58．64），其中42例（86％）合并2型糖尿病，37例（76％）合并高甘油三酯血症（hypertriglyceridemia，HTG）。根据患者选择的手术方式分为LRYGB组（n＝26）和LSG组（n＝23），将临床资料进行对比研究。结果2组均成功实施手术。 LRYGB组手术时间明显长于LSG组[（108．8±16．1） min vs．（90．9±24．8） min，t＝3.031，P＝0．004]。术后随访12～28个月，平均16个月。49例术后12个月BMI 29．75±3．46，与术前相比明显下降（ t＝14.135，P＝0.000）；术后多余体重减除率（EWL％）80．06％±14．28％（51．00％～120．00％）。42例合并2型糖尿病者术后空腹血糖和糖化血红蛋白较术前明显下降[（9．23±3．40） mmol／L vs．（8．00±1．94） mmol／L，t ＝3．168，P＝0．003；6．22％±1.63％vs．5.43％±0．93％，t＝7．212，P＝0．000]；37例合并HTG患者术后甘油三酯水平较术前亦下降[（2．49±0．77） mmol／L vs．（1.64±0．68）mmol／L，t＝5．202，P＝0．000]。2组体重减轻、降糖、降脂效果无明显差异（P均＞0．05）。结论LRYGB与LSG治疗肥胖病是安全有效的，对合并2型糖尿病及高甘油三酯血症也有较好的疗效。 LSG操作相对简单，符合胃肠道生理，值得优先选择。

腹腔镜Roux-en-Y胃转流术治疗2型糖尿病近期疗效分析

目的总结分析腹腔镜胃转流术(Roux-en-Y gastric bypass,RYGB)治疗2型糖尿病(type 2 diabetes mellitus,T2DM)的近期疗效,评估手术的安全性。方法回顾性分析我院近2年来腹腔镜RYGB手术治疗的33例T2DM患者临床资料,年龄25～69(47.4±10.5)岁,BMI为22.2～45.5(29.3±4.9)kg/m2,病程1个月至16年,平均4.6年。术后1、3、6、12个月定期随访并检测体质指数(BMI)、腹围、空腹血糖、HbA1c等指标,观察其变化。结果 33例患者均顺利恢复,无死亡,3例并发症(9%)分别为1例吻合口漏,2例吻合口溃疡均保守治愈。随访2～24个月,术后1个月BMI、腹围、空腹血糖、HbA1c等指标即显著降低(P<0.05),在术后6～12个月达到低点。随访满1年的18例患者中,缓解11例(61.1%),血糖控制5例(27.8%),好转2例(11.1%),无效0例。结论腹腔镜RYGB手术对T2DM的近期疗效满意,88.9%的患者达到T2DM缓解或血糖控制,手术安全,值得临床推广。

高胰岛素-正葡萄糖钳夹实验评价Roux-en-Y胃旁路术对2型糖尿病患者胰岛素抵抗的改善作用

目的:随着人们生活水平的提高,2型糖尿病患者逐年增加,疾病给社会和患者带来了极大的经济和生活负担。目前已证实减重手术(Roux-en-Y胃旁路手术)能改善糖尿病患者的代谢指标从而使患者获益,但具体机制仍在研究中。本研究旨在运用高胰岛素-正葡萄糖钳夹实验评估腹腔镜Roux-en-Y胃旁路术对改善2型糖尿病患者胰岛素抵抗的作用。方法:通过高胰岛素-正葡萄糖钳夹实验分析40例行腹腔镜Roux-en-Y胃旁路术患者术前及术后6个月的外周葡萄糖利用率(M值),同时比较术后6个月和术前空腹血糖、糖化血红蛋白、三酰甘油、低密度脂蛋白胆固醇水平及体重指数等指标的变化。结果:腹腔镜Roux-en-Y胃旁路术后患者的外周葡萄糖利用率较术前明显升高,空腹血糖、糖化血红蛋白、三酰甘油、低密度脂蛋白胆固醇水平及体重指数等指标较术前下降(均P<0.05)。结论:腹腔镜Roux-en-Y胃旁路术显著改善2型糖尿病患者的胰岛素抵抗,降低血糖、血脂等指标,对2型糖尿病的治疗效果肯定。

腹腔镜Roux-en-Y胃转流术对2型糖尿病患者术后近期血压的影响

目的评价腹腔镜Roux-en-Y胃转流术(Roux-en-Y gastric bypass,RYGB)对2型糖尿病(type 2 diabetesmellitus,T2DM)患者近期血压的影响。方法分析2010年5月至2012年4月经内科评估后行腹腔镜RYGB的T2DM患者21例的临床资料,包括手术前及术后1、3、6、12个月诊室血压、24 h动态血压(24-hour ambulatory blood pressure,ABPM)等的变化情况,及其与体质量、体质指数(BMI)、腰围(WC)的关系。结果肥胖组(BMI≥28.0 kg/m2)手术后能明显降低患者诊室血压和晨峰血压(MBPS)(P<0.05);非肥胖组仅舒张压手术前后有统计学差异(P<0.05),ABPM各指标无统计学差异。与术前相比,合并高血压患者诊室血压显著下降(P<0.05),且与手术前后体质量、BMI、WC及其变化均无显著相关。结论腹腔镜RYGB能够有效降低2型糖尿病合并高血压患者术后近期血压,且血压下降与体质量、BMI、WC无显著相关。