Publications by authors named "Rudolf Weiner"
Article Synopsis
- The study highlights the increasing importance of metabolic and bariatric surgery (MBS) in addressing global obesity, emphasizing the need for rigorous academic and fellowship training for surgeons.
- A Modified Delphi method involving 89 surgeons from 42 countries was used to establish expert consensus on the necessary criteria for surgeons to obtain privileges for performing MBS, reaching agreement on 29 out of 30 statements.
- Key consensus points include the requirement for surgeons to hold a general surgery degree, complete a dedicated fellowship, and adhere to defined learning curves for various MBS procedures, alongside maintaining patient data and collaborating in a multidisciplinary team.
Purpose: There is a lack of evidence for treatment of some conditions including complication management, suboptimal initial weight loss, recurrent weight gain, or worsening of a significant obesity complication after one anastomosis gastric bypass (OAGB). This study was designed to respond to the existing lack of agreement and to provide a valuable resource for clinicians by employing an expert-modified Delphi consensus method.
Methods: Forty-eight recognized bariatric surgeons from 28 countries participated in the modified Delphi consensus to vote on 64 statements in two rounds.
Article Synopsis
- * A study using a consensus method involved 78 bariatric surgeons globally, who agreed on 54 statements regarding when to use MBS for Class I and II obesity, determining a 70% agreement threshold.
- * The experts concluded that MBS is cost-effective for Class II obesity and Class I obesity with inadequate weight loss from non-surgical methods, and identified specific surgical options including intra-gastric balloon, endoscopic sleeve gastroplasty, sleeve gastrectomy, Roux-en-Y gastric bypass, and one
Purpose: One anastomosis/mini gastric bypass (OAGB/MGB) is up to date the third most performed obesity and metabolic procedure worldwide, which recently has been endorsed by ASMBS. The main criticisms are the risk of bile reflux, esophageal cancer, and malnutrition. Although IFSO has recognized this procedure, guidance is needed regarding selection criteria.
View Article and Find Full Text PDFThis review evaluates the indications and outcomes of one-anastomosis/mini gastric bypass (OAGB/MGB) reversal to normal anatomy. A systematic literature search and meta-analysis was performed in PubMed, Web of Science, and Scopus for articles published by October 1, 2020, including the keywords "one anastomosis gastric bypass," "OAGB," "mini gastric bypass," "MGB," "reversal," "reverse," "malnutrition," and "reversal bariatric surgery". After examining 182 papers involving 11,578 patients, 14 studies were included.
View Article and Find Full Text PDFIntroduction: Sleeve gastrectomy (SG) is the commonest bariatric procedure worldwide. Yet there is significant variation in practice concerning its various aspects. This paper report results from the first modified Delphi consensus-building exercise on SG.
View Article and Find Full Text PDFBackground: The hypothesis of "cross-addiction" has never been validated, and numerous aspects speak against it.
Objectives: To compare the differences between sleeve gastrectomy (SG) and gastric bypass (GB) procedures concerning cross-addiction.
Setting: Center for maximum care in Germany.
Background: C-reactive protein (CRP) rise might be different in patients with obesity due to chronic inflammation.
Objectives: The aim was to analyze postoperative CRP rise and its role as an early prognostic marker of infectious complications.
Setting: Center of maximum care in Germany.
Objective: To define "best possible" outcomes for bariatric surgery (BS)(Roux-en-Y gastric bypass [RYGB] and sleeve gastrectomy [SG]).
Background: Reference values for optimal surgical outcomes in well-defined low-risk bariatric patients have not been established so far. Consequently, outcome comparison across centers and over time is impeded by heterogeneity in case-mix.
Objective: To examine the relationship between Edmonton Obesity Staging System (EOSS) and perioperative complications as well as surgical procedure.
Background: The application of EOSS for the selection of patients with obesity is a more comprehensive measure of obesity-related diseases and a predictor of mortality than body mass index (BMI).
Methods: This was a nationwide cohort study using prospectively inserted data from the German register for obesity and metabolic surgery StuDoQ|MBE.
Background: Revisional bariatric surgery (RBS) constitutes a possible solution for patients who experience an inadequate response following bariatric surgery or significant weight regain following an initial satisfactory response. This paper reports results from the first modified Delphi consensus-building exercise on RBS.
Methods: We created a committee of 22 recognised opinion-makers with a special interest in RBS.
Background: Whether one anastomosis gastric bypass (OAGB) or Roux-en-Y gastric bypass (RYGB) is a better revisional bariatric surgery (RBS) after sleeve gastrectomy (SG) is still under debate. The aim is to compare short-term outcomes of RYGB and OAGB as a RBS after SG, pertaining to their effects on weight loss, resolution of comorbidities, and complications.
Methods: We performed a single-center analysis of 55 patients (n = 34 OAGB, n = 21 RYGB).
In Table 4 the column labeled "p values" and its data should be deleted.
View Article and Find Full Text PDFBackground: Obesity and metabolic surgery is known to improve chronic inflammatory status. Whether improvement is related to anatomical changes or weight loss is still to debate.
Objective: The aim of this clinical trial is to compare the different bariatric procedures sleeve gastrectomy (SG), Roux-en-Y gastric bypass (RYGB), and One-anastomosis gastric bypass (OAGB), pertaining to their effects on inflammation markers.
Background: An increasing number of surgeons worldwide are now performing one anastomosis/mini gastric bypass (OAGB/MGB). Lack of a published consensus amongst experts may be hindering progress and affecting outcomes. This paper reports results from the first modified Delphi consensus building exercise on this procedure.
View Article and Find Full Text PDFBackground: Five International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO) surveys since 1998 have estimated the volume and type of bariatric surgery being done in constituent member countries. These reports did not include baseline demographic descriptions.
Methods: An IFSO Global Registry pilot project in 2014 demonstrated that it was possible to amalgamate large numbers of individual patient data from different local and national database systems.