Publications by authors named "Shai Eldar"

: Religious fasting in patients after Metabolic and Bariatric Surgery (MBS) remains a topic with limited clarity. This study aims to present the results of a survey on religious fasting in patients after MBS in Israel. The questionnaire was sent to members of the Israeli Society for Metabolic and Bariatric Surgery (ISMBS).

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Introduction: One anastomosis gastric bypass (OAGB) is a common procedure associated with satisfactory outcomes. Revisional surgery due to weight regain or insufficient weight loss (WR/IWL) after OAGB is underreported.

Methods: A retrospective analysis of a single-bariatric surgeon database was conducted.

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Background: Vegetarianism is constantly increasing worldwide. However, the role of metabolic and bariatric surgery (MBS) in vegetarians/vegans is unclear as there is very limited data on this topic. The aim of this study was to evaluate MBS outcomes in vegetarians or vegans.

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Article Synopsis
  • - Gastroesophageal reflux disease (GERD) is prevalent among severely obese patients, and its impact post-sleeve gastrectomy (SG) is uncertain, leading some surgeons to view GERD as a reason to avoid SG.
  • - A study analyzed data from patients with preoperative GERD who had SG, finding that 5.8% of patients diagnosed with GERD had follow-up results, with most (78.1%) still experiencing GERD symptoms after surgery.
  • - The findings showed that better GERD-related quality of life (GERD-HRQL) scores were linked to lower baseline Body Mass Index (BMI), lower smoking rates, and greater total weight loss post-surgery, suggesting that smoking cessation
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Background: Failed sleeve gastrectomy (SG), defined by inadequate weight loss or weight regain and by reflux and structural complications, can be treated by a laparoscopic conversion to Roux-en-Y gastric bypass (RYGB).

Objectives: To examine the efficacy and outcomes of conversion surgery over a 14-year follow-up period.

Setting: Government and private medical centers in university settings.

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  • The study investigates the outcomes of patients who had One-anastomosis Gastric Bypass (OAGB) revisions due to marginal ulcer (MU) perforations over a span of two years.
  • Out of 22 patients analyzed, the majority were men, with a significant portion being smokers, and the most common surgical intervention was the omental patch.
  • At a median follow-up of 48 months, the recurrence rate of MU was 14%, indicating that while MU perforation is a chronic issue, the revision procedures were generally effective.
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  • Bariatric and metabolic surgery (BMS) is an effective option for treating severe obesity, particularly in patients with a BMI of 50 kg/m or higher.
  • A study analyzed 263 patients who underwent BMS, comparing outcomes between primary surgeries and revisional surgeries; the results showed that revisional patients had higher leak rates and longer hospital stays.
  • The mortality rate was low at 1.1% for both groups, but more research is needed to determine the best surgical techniques for patients with extremely high BMI.
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  • * Out of 1985 SG patients, 61 (3.1%) experienced leaks; the majority had complications requiring reoperation, but 78% showed satisfactory long-term weight loss and health improvement.
  • * Despite some ongoing issues, particularly with gastroesophageal reflux, the overall results suggest that SLL patients can achieve significant weight loss and resolution of other health problems post-surgery.
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Revisional Bariatric Surgery (RBS) is increasing in popularity. Elderly patients (> 65 years old) are sometimes referred for RBS evaluation. The aim of this study is to evaluate outcomes of elderly patients undergoing RBS.

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Background: One anastomosis gastric bypass (OAGB) is gaining popularity worldwide due to its safety and effectiveness. OAGB is the most commonly performed metabolic bariatric surgery (MBS) in Israel. Israel is the only country where OAGB is the most prevalent MBS.

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Article Synopsis
  • One anastomosis gastric bypass (OAGB) has growing popularity and offers favorable long-term outcomes, with limited data specifically on revisional OAGB (rOAGB).
  • A study analyzed data from 424 patients, revealing that primary OAGB (pOAGB) showed greater mean total weight loss compared to rOAGB, although both groups experienced significant resolution of type 2 diabetes and hypertension.
  • Overall, OAGB is an effective solution for severe obesity, with acceptable rates of surgical revisions and complications, but more extensive research is needed for conclusive insights.
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Background: Idiopathic Intracranial Hypertension (IIH) is a rare disorder, linked to severe obesity. The study aimed to evaluate long-term effects of metabolic and bariatric surgery (MBS) on IIH outcomes.

Methods: Retrospective study of patients with IIH and severe obesity who underwent MBS.

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Purpose: Laparoscopic sleeve gastrectomy (SG) is the most popular bariatric surgery. Nonetheless, only a few studies have reported its long-term outcomes. This study aimed to evaluate changes in weight and body mass index (BMI) parameters, resolution of comorbidities, and frequency of re-operations in a follow-up period of at least 10 years.

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Background: One anastomosis gastric bypass (OAGB) is safe and effective. Its strong malabsorptive component might cause severe protein-energy malnutrition (PEM), necessitating revisional surgery. We aimed to evaluate the safety and outcomes of OAGB revision for severe PEM.

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Unlabelled: PERFORATED ANASTOMOTIC ULCER AFTER ONE ANASTOMOSIS GASTRIC BYPASS: BACKGROUND: One anastomosis gastric bypass (OAGB) is a common bariatric metabolic surgery. Anastomotic ulcer (AU) perforation is a delayed complication, liable to cause sepsis and death. We present a cohort of twelve patients who underwent emergent surgery due to AU perforation.

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Purpose: Sleeve gastrectomy is one of the most popular bariatric procedures performed. A complication of this surgery is sleeve stenosis, causing significant morbidity and the need for corrective intervention. Endoscopic treatment using pneumatic dilation has evolved as an effective, and minimally invasive, technique to successfully treat this complication.

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Patients that undergo bariatric surgery experience weight loss and a reduction in the plasma levels of the hepatic enzymes alanine aminotransferase (ALT) and aspartate aminotransferase (AST). We used the Israeli national bariatric registry, which includes demographic, clinical, and biochemical data on 19,403 patients, of which 1335 patients had two-year follow-up data on ALT, AST, A1C, and BMI, to test the dependence of the reduction in the levels of ALT and AST on weight loss. The data were analyzed using regression models, retrospective matching, and time course analyses.

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Bariatric surgeries may lead to an improvement in metabolic fatty liver disease, and a reduction in the levels of the hepatic enzyme Alanine Aminotransferase (ALT). We compared the effects of Sleeve Gastrectomy (SG), Roux en Y Gastric Bypass (RYGB) and One Anastomosis Gastric Bypass (OAGB) on the levels of ALT by analysis of two-year follow-up data from 4980 patients in the Israeli Bariatric Registry that included laboratory tests and demographic information. Pre-operative characteristics of patients, and particularly levels of liver enzymes, were similar across surgery types.

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Introduction: Laparoscopic sleeve gastrectomy (LSG) is the most popular bariatric procedure performed worldwide. However, many patients undergo secondary surgery due to either weight-related and complication-related reasons or both. Conversional options vary with one-anastomosis gastric bypass (OAGB) and Roux-n-Y gastric bypass (RYGB) being the most common.

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Background: Over the years, the silastic ring vertical gastroplasty (SRVG) has shown poor long-term outcomes with both weight regain and complications. Therefore, most bariatric surgeons have been presented with the need to perform a successful and safe conversion procedure. Yet the preferred and recommended conversion surgery regarding weight loss, comorbidity improvement, and postoperative complications remains under debate.

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Background: Recent data demonstrates that laparoscopic adjustable gastric banding (LAGB) is found to be associated with high rates of weight loss failure and long-term complications. Therefore, the search for the optimal revisional bariatric procedure is ongoing.

Objective: We aim to assess the safety and efficacy of converting a failed LAGB to laparoscopic one anastomosis gastric bypass (OAGB) as a revisional procedure.

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Background: Laparoscopic one anastomosis gastric bypass has become a prominent bariatric procedure. Yet, early and late complications, primarily leaks and strictures, are not uncommon. This study summarizes our experience with endoscopic treatment of laparoscopic one anastomosis gastric bypass complications.

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Background: Even though risks are higher and long-term results may be less favorable, the elderly obese can still benefit from bariatric surgery. Whether the higher surgical risk is worth the benefits is yet to be determined.

Materials And Methods: We reviewed our database and identified all patients aged 65 or older who underwent sleeve gastrectomy between May 2010 and November 2015.

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