Publications by authors named "Luigi Angrisani"

Background:  Robotic metabolic and bariatric surgery (RMBS) has emerged as an innovative approach in the treatment of severe obesity by combining the ergonomic precision of robotic technology and instrumentation with the established benefits of weight loss surgery. This study employs a bibliometric approach to identify local research trends and worldwide patterns in RMBS.

Materials & Methods:  The research methodology used "robotic" and "metabolic" or "bariatric surgery" to search Web of Science.

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Obesity is a chronic disease associated with increased morbidity and mortality and reduced quality of life. Pharmacotherapy can be associated with life style changes in increasing and maintaining weight loss and ameliorating obesity-related complications and comorbidities. In patients affected by obesity and uncontrolled obesity-associated complications or high degrees of BMI (> 40 Kg/m), metabolic bariatric surgery can be a valid therapeutic option.

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The 2022 American Society for Metabolic and Bariatric Surgery (ASMBS) and International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO) updated the indications for metabolic and bariatric surgery (MBS), replacing the previous guidelines established by the National Institutes of Health (NIH) over 30 years ago. The evidence supporting these updated guidelines has been strengthened to assist metabolic and bariatric surgeons, nutritionists, and other members of multidisciplinary teams (MDTs), as well as patients. This study aims to assess the level of evidence and the strength of recommendations compared to the previously published criteria.

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Article Synopsis
  • The ASMBS and IFSO updated the guidelines for Metabolic and Bariatric Surgery in 2022, replacing 30-year-old NIH recommendations.
  • These new guidelines are based on stronger evidence and are designed to support healthcare professionals and patients in making informed decisions about surgery.
  • The study evaluates the quality of evidence and the effectiveness of these updated recommendations compared to the old criteria.
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  • The global rise in obesity has led to the need for clear guidelines combining medical, endoscopic, and surgical methods for effective treatment.
  • An expert panel formed by IFSO-EC created evidence-based recommendations for treating adults with a BMI of 30 or higher, focusing on integrating lifestyle interventions and various weight loss techniques.
  • These guidelines emphasize a comprehensive approach to obesity management, recognizing it as a complex, chronic disease that requires understanding all therapeutic options available.
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  • 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.
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Obesity/overweight and its complications are a growing problem in many countries. Italian Society of Bariatric and Metabolic Surgery for Obesity (Società Italiana di Chirurgia dell'Obesità e delle Malattie Metaboliche-SICOB) decided to develop the first Italian guidelines for the endoscopic bariatric treatment of obesity. The creation of SICOB Guidelines is based on an extended work made by a panel of 44 members and a coordinator.

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Purpose: This IFSO survey aims to describe the current trends of metabolic and bariatric surgery (MBS) reporting on the number and types of surgical and endoluminal procedures performed in 2020 and 2021, in the world and within each IFSO chapter.

Methods: All national societies belonging to IFSO were asked to complete the survey form. The number and types of procedures performed (surgical and endoluminal interventions) from 2020 to 2021 were documented.

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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
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Background: Metabolic and bariatric surgery (MBS) is the preferred method to achieve significant weight loss in patients with Obesity Class V (BMI > 60 kg/m). However, there is no consensus regarding the best procedure(s) for this population. Additionally, these patients will likely have a higher risk of complications and mortality.

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  • Laparoscopic sleeve gastrectomy (LSG) is a popular weight loss surgery, but it can cause acid reflux problems.
  • A new method combines LSG with a procedure to help reduce acid reflux.
  • The text also talks about a rare type of hernia found during surgery in a patient who already had reflux issues.
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Novel impedance-pH parameters, Mean Nocturnal Baseline Impedance (MNBI) and Post-Reflux Swallow-Induced Peristaltic Wave (PSPW) index, have been proposed to improve the gastro-esophageal reflux disease (GERD) diagnostic yield. This study aims to determine the integrity of the esophageal epithelial barrier and chemical clearance using these novel parameters and to correlate them with acid exposure time (AET) and acid clearance time (ACT) in obese patients who are candidates for bariatric surgery (BS). Twenty impedance-pHmetry tracings of patients prior to BS were reviewed.

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  • Sleeve gastrectomy (SG) is the most popular bariatric surgery globally, but there's concern about the necessity for follow-up surgeries due to issues like insufficient weight loss or complications like GERD.
  • A study involving 46 surgeons from 25 countries was conducted to create guidelines for redo-surgeries after SG, achieving consensus on 62 out of 72 statements regarding best practices.
  • Experts emphasized that a multi-disciplinary evaluation is crucial before any redo-surgery, recommending at least 12 months of medical management and suggesting Roux-en Y gastric bypass as an option for certain complications like symptomatic GERD.
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Background: Bariatric surgery (BS) is a relatively novel surgical field and is in continuous expansion and evolution.

Purpose: Aim of this study was to report changes in Italian surgical practice in the last decade.

Methods: The Società Italiana di Chirurgia dell'Obesità (SICOB) conducted annual surveys to cense activity of SICOB centers between 2011 and 2021.

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MAJOR UPDATES TO 1991 NATIONAL INSTITUTES OF HEALTH GUIDELINES FOR BARIATRIC SURGERY: Metabolic and bariatric surgery (MBS) is recommended for individuals with a body mass index (BMI) >35 kg/m, regardless of presence, absence, or severity of co-morbidities.MBS should be considered for individuals with metabolic disease and BMI of 30-34.9 kg/m.

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  • Bariatric surgery is recognized as the most effective treatment for severe obesity, yet there are gaps in awareness and referral practices among general practitioners and specialty physicians in Italy.
  • An exploratory study in three regions of Italy evaluated the pathways patients take to access bariatric surgery, focusing on a sample of 2,686 patients with chronic obesity.
  • Results showed that most patients (75.8%) were self-presenting or referred by bariatric surgeons, with self-presenting patients generally being younger, better educated, and more mobile than those referred by general practitioners.
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  • Laparoscopic Roux-en-Y gastric bypass (RYGB) is a surgery used to help people with severe obesity and GERD (a stomach issue) and is the second most common weight loss surgery.
  • In a study of 45 patients who had RYGB, many lost weight and a lot of those who had GERD before the surgery felt better afterward, but some still had GERD symptoms or got them after the surgery.
  • The reasons why some people still have GERD after RYGB are not fully understood, and more studies are needed to figure it out.
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Background: There are data on the safety of cancer surgery and the efficacy of preventive strategies on the prevention of postoperative symptomatic COVID-19 in these patients. But there is little such data for any elective surgery. The main objectives of this study were to examine the safety of bariatric surgery (BS) during the coronavirus disease 2019 (COVID-19) pandemic and to determine the efficacy of perioperative COVID-19 protective strategies on postoperative symptomatic COVID-19 rates.

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Introduction: There is a paucity of data in scientific literature on the impact of Coronavirus Disease 2019 (COVID-19) pandemic on bariatric surgery. The aim of this study was to evaluate the impact of COVID-19 pandemic on Bariatric Surgery globally.

Methods: We conducted a global online survey of bariatric surgeons between 16/04/20 - 15/05/20.

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Background And Aim: Bariatric surgery (BS) is a pillar for the treatment of morbid obesity and its related comorbidities. However, it might be associated with long-term deficiencies and absorption issues. Adherence to micronutrient supplementation is a crucial aspect in the management of these patients.

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Introduction: 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.

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