Gastric Bypass Is not a “Restrictive and Malabsorptive” Procedure

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Smal Bowel Limb Lengths and Roux-en-Y Gastric Bypass: a Systematic Review

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Intragastric Balloon Device: Weight Loss and Satisfaction Degree

Abstract

Background

An intragastric balloon is a non-surgical device enhancing a sensation of early satiety and reducing food intake. The aim of this study is to analyze the results in terms of weight loss and patient satisfaction undergoing intragastric balloon implantation.

Methods

Air-filled and water-filled devices were used. All patients were participated in strict follow-up programs. Weight, body mass index (BMI), total body weight loss (TWL), percentage of excess weight loss (EWL), and satisfaction degree were taken into account.

Results

Eighty-one patients completed a 6-month period with a device in place; 72 of them were then contacted for a follow-up at 12.3 ± 2.4 months post-removal. During treatment period, in 76 cases (93.8 %), a statistically significant reduction in weight was observed. A statistically meaningful linear correlation between a 3-month EWL (or TWL) and a 6-month EWL (or TWL) was found. At the end of endoscopic treatment, a significant link between baseline BMI and EWL >20 % was found. Sixty-three percent of the patients were not satisfied with the procedure, did not deem useful to change their diet, and refused to perform it again.

Conclusions

In our study, at device removal and 1 year thereafter, a statistically significant reduction in weight was observed. Most of the patients were found to have a weight loss more than the cut-off of 20 %. The weight reached at the third month appears to be predictive of the effectiveness of endoscopic treatment. Data showed an overall dissatisfaction with procedure.

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Laparoscopic Conversion of Gastric Bypass Complication to Sleeve Gastrectomy: Technique and Early Results

Abstract

Background

Laparoscopic gastric bypass is a commonly performed bariatric surgery for the treatment of morbid obesity. Revision surgery for patients who have gastric bypass complications is a challenge for bariatric surgeon. Our aim is to present the early results of the conversions of gastric bypass complications to sleeve gastrectomies.

Methods

From January 2001 to April 2015, 49 of 2382 gastric bypasses underwent revisional surgery to convert gastric bypasses to sleeve gastrectomies. The demographic data, surgical parameters, and outcomes were studied.

Results

The mean age of the study group was 35.0 years (range 20 to 55), and the average body mass index (BMI) prior to the reoperation was 25.3 kg/m². Seven patients had previous laparoscopic Roux-en-Y gastric bypasses (LRYGBs), and 42 had laparoscopic single anastomosis (mini-) gastric bypasses (LSAGBs). The main reasons for the revisions were malnutrition (58 %), weight regain (10 %), intolerance (18 %), and others (14 %). The revisional surgeries had longer operative times, greater blood loss, and longer flatus passage times than the primary gastric bypass surgeries. Four patients (8.1 %) developed major complications during revisional surgery, including three (6.1 %) cases of leakage and one (2.0 %) case of internal bleeding. No mortality was noted. After conversion to sleeve gastrectomy, the body weights of the patients remained stable, and all patients improved in terms of malnutrition, including anemia, hypoalbuminemia, and secondary hyperparathyroidism.

Conclusions

Conversion to sleeve gastrectomy is an effective and safe option for patients with gastric bypass complications. The conversions to sleeve gastrectomy resulted in significant improvements in malnutrition and maintained weight loss at the early follow-ups.

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Laparoscopic Sleeve Gastrectomy for Morbid Obesity in 3003 Patients: Results at a High-Volume Bariatric Center

Abstract

Background

Laparoscopic sleeve gastrectomy (LSG) is gaining wide acceptance as a single surgical treatment for obesity. The reported morbidity and mortality rates are low. We herein report the results of LSG performed in a high-volume center by an experienced team.

Methods

Retrospective analysis of a prospectively maintained database of all bariatric surgery (BS) was performed between May 2006 and December 2014. Data inspected included operative time, length of hospital stay (LOS), comorbidity resolution, re-operation, percent excess weight loss (%EWL), and 30-day morbidity and mortality.

Results

In the study period, 3003 patients underwent BS (1901 (63 %) female). Mean age and body mass index (BMI) were 43 years (range 14–73) and 42.8 kg/m² (range 35–73), respectively. %EWL at 1 year was 72 % (n = 937; 57 % follow-up rate). There was 1 perioperative mortality due to bleeding (0.03 %). Comorbidity improvement and resolution were 98 % for obstructive sleep apnea, 79 % for diabetes mellitus, 87 % for dyslipidemia, and 85 % for hypertension. Mean operative time and LOS were 50 min (range 32–94) and 2.2 days (range 1–38), respectively. Of the patients, 132 had complications (4.4 %), 25 leaks (0.83 %), 63 bleeding (2.1 %), 1 intra-abdominal abscesses (0.03 %), 3 sleeve strictures (0.1 %), 2 mesenteric vein thromboses (0.06 %), 10 trocar site hernias (0.3 %), and 78 symptomatic cholelithiasis (2.6 %). Re-operation was needed in 13 patients (0.43 %).

Conclusion

In a high-volume center with an experienced team, LSG can be performed with low morbidity and mortality.

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A Challenge between Trainee Education and Patient Safety: Does Fellow Participation Impact Postoperative Outcomes Following Bariatric Surgery?

Abstract

Background

Surgical training may potentially influence patient care. A safe, high-quality bariatric and metabolic surgery practice requires dedicated and specialized training commonly acquired during a fellowship. This study evaluates the impact of fellow participation on early postoperative outcomes in bariatric surgery.

Methods

From the American College of Surgeons (ACS-NSQIP) database, we identified all obese patients who had undergone primary laparoscopic Roux-en-Y gastric bypass (LRYGB) and sleeve gastrectomy (LSG) between 2010 and 2012. Logistic regression was used to prognosticate the surgical fellow (PGY-6, 7, or 8) participation in bariatric surgeries on perioperative outcomes, as compared to surgeries with no trainee participation.

Results

The study cohort consisted of 10,838 patients (8819 LRYGB, 2019 LSG, 32 % fellow participation). Fellows participated in higher-risk surgeries. Fellow involvement was associated with increased operative time in LRYGB (difference 42.4 ± 1.2 min, p < 0.001) and in LSG (difference 38.8 ± 2.5 min, p < 0.001). Multivariate regression revealed that fellow involvement in LSG did not significantly alter postoperative adverse events. Conversely, in the LRYGB group, fellow participation was independently associated with higher rates of overall complications (OR = 1.37, 95 % CI 1.16–1.63), serious complications (OR = 1.23, 95 % CI 1.00–1.52), surgical complications (OR = 1.42; 95 % CI 1.17–1.73), and reoperation (OR = 1.43, 95 % CI 1.10–1.87). On adjusted analysis, while readmission was higher with fellow involvement in both procedures, mortality rates were comparable.

Conclusions

Fellow involvement resulted in a clinically appreciable increase in operative times. Fellow participation in the operating room was also independently associated with worse early postoperative outcomes following LRYGB, but was not the case for LSG. Promoting proficiency in surgical simulation laboratories and a gradual participation of fellows from LSG to LRYGB during fellowship may be associated with a reduction in postoperative complications.

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Intragastric Balloon for Management of Severe Obesity: a Systematic Review

Abstract

Older models of intragastric balloons (IGBs) had unacceptably high complication rates and inconsequential weight loss. With FDA approval of newer models, we aimed to systematically examine the literature regarding the efficacy of IGB therapy for obesity. A comprehensive electronic database search was completed. Title searching was restricted to the following keywords: bariatric, gastric, gastric bypass, gastric band, sleeve gastrectomy, and intragastric balloon. Twenty-six primary studies (n = 6101) were included. At balloon removal, mean change in weight and BMI were 15.7 ± 5.3 kg and 5.9 ± 1.0 kg/m². The most common complications were nausea/vomiting (23.3 %) and abdominal pain (19.9 %). Serious complications were rare: mortality (0.05 %) and gastric perforation (0.1 %). IGBs are associated with marked short-term weight loss with limited serious complications.

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