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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. Grading of Recommendations, Assessment, Development and Evaluations (GRADE) methodology has been used to decide the aims, reference population, and target health professionals. Clinical questions have been created using the PICO (patient, intervention, comparison, outcome) conceptual framework. We will perform systematic reviews, formal meta-analyses, and network meta-analyses for each PICO and critical outcomes aimed at assessing and rating the efficacy and safety of endoscopic bariatric procedures in comparison with either no interventions, lifestyle interventions, or approved anti-obesity treatments in trials with a follow-up of at least 52 weeks. For PICO on temporary endoscopic bariatric treatments, we will also consider RCT with a minimum duration of 6 months. The panel proposed 8 questions, organized into four domains: A. Indication for endoscopic bariatric surgery; B. Revisional surgery; C. Temporary gastric and duodenal-jejunal procedures; D. Endoscopic diagnosis/treatment of bariatric and metabolic surgery complications. These guidelines will apply to patients aged ≥ 14 years) with body mass index (BMI) ≥ 27 kg/m2 and requiring endoscopic bariatric surgery or endoscopic diagnostic and/or therapeutic procedures. The areas covered by the clinical questions included indications of endoscopic bariatric surgery, types of surgery, revisional surgery, and management of bariatric and metabolic surgery complications.
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PURPOSE: With the global epidemic of obesity, the importance of metabolic and bariatric surgery (MBS) is greater than ever before. Performing these surgeries requires academic training and the completion of a dedicated fellowship training program. This study aimed to develop guidelines based on expert consensus using a modified Delphi method to create the criteria for metabolic and bariatric surgeons that must be mastered before obtaining privileges to perform MBS. METHODS: Eighty-nine recognized MBS surgeons from 42 countries participated in the Modified Delphi consensus to vote on 30 statements in two rounds. An agreement/disagreement among ≥ 70.0% of the experts was regarded to indicate a consensus. RESULTS: Consensus was reached on 29 out of 30 statements. Most experts agreed that before getting privileges to perform MBS, surgeons must hold a general surgery degree and complete or have completed a dedicated fellowship training program. The experts agreed that the learning curves for the various operative procedures are approximately 25-50 operations for the LSG, 50-75 for the OAGB, and 75-100 for the RYGB. 93.1% of experts agreed that MBS surgeons should diligently record patients' data in their National or Global database. CONCLUSION: MBS surgeons should have a degree in general surgery and have been enrolled in a dedicated fellowship training program with a structured curriculum. The learning curve of MBS procedures is procedure dependent. MBS surgeons must demonstrate proficiency in managing postoperative complications, collaborate within a multidisciplinary team, commit to a minimum 2-year patient follow-up, and actively engage in national and international MBS societies.
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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. A special section focused on the impact of COVID-19, the existence of national protocols for MBS, the use of telemedicine, and any mortality related to MBS. A trend analysis of the data, both worldwide and within each IFSO chapter, was also performed for the period between 2018 and 2021. RESULTS: Fifty-seven of the 74 (77%) IFSO national societies submitted the survey. Twenty-four of the 57 (42.1%) reported data from their national registries. The total number of surgical and endoluminal procedures performed in 2020 was 507,806 and in 2021 was 598,834. Sleeve gastrectomy (SG) remained the most performed bariatric procedure. Thirty national societies (52%) had regional protocols for MBS during COVID-19, 61.4% supported the use of telemedicine, and only 47.3% collected data on mortality after MBS in 2020. These percentages did not significantly change in 2021 (p > 0.05). CONCLUSIONS: The number of MBS markedly decreased worldwide during 2020. Although there was a positive trend in 2021, it did not reach the values obtained before the COVID-19 pandemic. SG continued to be the most performed operation. Adjustable gastric banding (AGB) continues to decrease worldwide.
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Cirurgia Bariátrica , Bariatria , COVID-19 , Derivação Gástrica , Obesidade Mórbida , Humanos , Obesidade Mórbida/cirurgia , Pandemias , Cirurgia Bariátrica/métodos , GastrectomiaRESUMO
BACKGROUND: Metabolic and bariatric surgery (MBS) is the preferred method to achieve significant weight loss in patients with Obesity Class V (BMI > 60 kg/m2). 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. The aim of this study was to achieve a consensus among a global panel of expert bariatric surgeons using a modified Delphi methodology. METHODS: A total of 36 recognized opinion-makers and highly experienced metabolic and bariatric surgeons participated in the present Delphi consensus. 81 statements on preoperative management, selection of the procedure, perioperative management, weight loss parameters, follow-up, and metabolic outcomes were voted on in two rounds. A consensus was considered reached when an agreement of ≥ 70% of experts' votes was achieved. RESULTS: A total of 54 out of 81 statements reached consensus. Remarkably, more than 90% of the experts agreed that patients should be notified of the greater risk of complications, the possibility of modifications to the surgical procedure, and the early start of chemical thromboprophylaxis. Regarding the choice of the procedure, SADI-S, RYGB, and OAGB were the top 3 preferred operations. However, no consensus was reached on the limb length in these operations. CONCLUSION: This study represents the first attempt to reach consensus on the choice of procedures as well as perioperative management in patients with obesity class V. Although overall consensus was reached in different areas, more research is needed to better serve this high-risk population.
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Cirurgia Bariátrica , Obesidade Mórbida , Tromboembolia Venosa , Humanos , Obesidade Mórbida/cirurgia , Técnica Delphi , Anticoagulantes , Índice de Massa Corporal , Obesidade/complicações , Obesidade/cirurgia , Cirurgia Bariátrica/métodos , Redução de PesoRESUMO
Laparoscopic sleeve Gastrectomy (LSG) is the most performed bariatric procedure worldwide but it is associated with an increased incidence of de-novo or recurrent GERD. Recently a new technique consisting in LSG with associated fundoplication has been described. Morgagni-Larrey hernia is very rare and there is a lack of evidences on its correct surgical treatment. There are only rare cases of a MLH incidental diagnosis in patients submitted to bariatric surgery. We present our experience of Morgagni-Larrey Hernia (MLH) incidentally found intraoperatively in a patient with Gastroesophageal Reflux Disease (GERD) with Hiatal Hernia (HH) undergoing a bariatric surgical procedure.
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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. Nine (45%) patients with a conclusive diagnosis of GERD had significantly higher ACT, lower MNBI in the distal esophagus and lower PSPW indexes compared to obese patients without GERD. Moreover, 100% of obese patients with GERD had a pathological ACT compared to obese patients without GERD (p = 0.003). However, the percentage of pathological MNBI and PSPW index did not differ between obese patients with and without GERD. The PSPW index and MNBI of the distal channel significantly correlated with ACT and AET. Further studies are needed to assess the role of time-consuming novel parameters in the routine evaluation of morbidly obese patients candidates for BS. The value of acid clearance time is confirmed as a relevant impedance-pH parameter in these patients.
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BACKGROUND: Sleeve gastrectomy (SG) is the most common metabolic and bariatric surgical (MBS) procedure worldwide. Despite the desired effect of SG on weight loss and remission of obesity-associated medical problems, there are some concerns regarding the need to do revisional/conversional surgeries after SG. This study aims to make an algorithmic clinical approach based on an expert-modified Delphi consensus regarding redo-surgeries after SG, to give bariatric and metabolic surgeons a guideline that might help for the best clinical decision. METHODS: Forty-six recognized bariatric and metabolic surgeons from 25 different countries participated in this Delphi consensus study in two rounds to develop a consensus on redo-surgeries after SG. An agreement/disagreement ≥ 70.0% on statements was considered to indicate a consensus. RESULTS: Consensus was reached for 62 of 72 statements and experts did not achieve consensus on 10 statements after two rounds of online voting. Most of the experts believed that multi-disciplinary team evaluation should be done in all redo-procedures after SG and there should be at least 12 months of medical and supportive management before performing redo-surgeries after SG for insufficient weight loss, weight regain, and gastroesophageal reflux disease (GERD). Also, experts agreed that in case of symptomatic GERD in the presence of adequate weight loss, medical treatment for at least 1 to 2 years is an acceptable option and agreed that Roux-en Y gastric bypass is an appropriate option in this situation. There was disagreement consensus on efficacy of omentopexy in rotation and efficacy of fundoplication in the presence of a dilated fundus and GERD. CONCLUSION: Redo-surgeries after SG is still an important issue among bariatric and metabolic surgeons. The proper time and procedure selection for redo-surgery need careful considerations. Although multi-disciplinary team evaluation plays a key role to evaluate best options in these situations, an algorithmic clinical approach based on the expert's consensus as a guideline can help for the best clinical decision-making.
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Derivação Gástrica , Refluxo Gastroesofágico , Obesidade Mórbida , Humanos , Técnica Delphi , Reoperação/métodos , Derivação Gástrica/métodos , Gastrectomia/métodos , Refluxo Gastroesofágico/etiologia , Refluxo Gastroesofágico/cirurgia , Redução de Peso , Obesidade Mórbida/cirurgia , Estudos Retrospectivos , Resultado do TratamentoRESUMO
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. Primary outcome was to detect differences in frequency of performance of adjustable gastric banding (AGB), sleeve gastrectomy (SG), Roux-en-Y gastric bypass (RYGB), one anastomosis gastric bypass (OAGB), bilio-pancreatic diversion (BPD), and gastric plication (GP). Secondary outcome was to detect differences in performance of main non-malabsorptive procedures (AGB + SG) and overall bypass procedures (RYGB + OAGB). Geographical differences were also investigated. RESULTS: Median response rate was 92%. AGB declined from 36% of procedures in 2011 to 5% in 2021 (p < 0.0001). SG increased from 30% in 2011 to 55% in 2021 (p < 0.0001). RYGB declined from 25 to 12% of procedures (p < 0.0001). OAGB rose from 0% of procedures in 2011 to 15% in 2021 (p < 0.0001). BPD underwent decrease from 6.2 to 0.2% in 2011 and 2021, respectively (p < 0.0001). Main non-malabsorptive procedures significantly decreased while overall bypass procedures remained stable. There were significant differences among regions in performance of SG, RYGB, and OAGB. CONCLUSIONS: BS in Italy evolved significantly during the past 10 years. AGB underwent a decline, as did BPD and GP which are disappearing and RYGB which is giving way to OAGB. The latter is rising and is the second most-performed procedure after SG which has been confirmed as the preferred procedure by Italian bariatric surgeons.
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Cirurgia Bariátrica , Derivação Gástrica , Obesidade Mórbida , Humanos , Obesidade Mórbida/cirurgia , Resultado do Tratamento , Derivação Gástrica/métodos , Gastrectomia/métodos , Itália , Estudos RetrospectivosRESUMO
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/m2, 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/m2.BMI thresholds should be adjusted in the Asian population such that a BMI >25 kg/m2 suggests clinical obesity, and individuals with BMI >27.5 kg/m2 should be offered MBS.Long-term results of MBS consistently demonstrate safety and efficacy.Appropriately selected children and adolescents should be considered for MBS.(Surg Obes Relat Dis 2022; https://doi.org/10.1016/j.soard.2022.08.013 ) © 2022 American Society for Metabolic and Bariatric Surgery. All rights reserved.
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Cirurgia Bariátrica , Doenças Metabólicas , Obesidade Mórbida , Adolescente , Criança , Humanos , Estados Unidos/epidemiologia , Obesidade Mórbida/cirurgia , Obesidade/complicações , Obesidade/cirurgia , Cirurgia Bariátrica/métodos , Doenças Metabólicas/cirurgia , Índice de Massa CorporalRESUMO
Major updates to 1991 National Institutes of Health guidelines for bariatric surgery.
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Cirurgia Bariátrica , Doenças Metabólicas , Obesidade Mórbida , Estados Unidos , Humanos , Obesidade/complicações , Obesidade/cirurgia , Doenças Metabólicas/cirurgia , Obesidade Mórbida/complicações , Obesidade Mórbida/cirurgiaRESUMO
Laparoscopic Roux-en-Y gastric bypass (RYGB) is the second most performed bariatric procedure and it is considered the procedure of choice to treat patients with severe obesity and gastroesophageal reflux disease (GERD). However, some authors described the new onset or the recurrence of GERD symptoms after RYGB, and data at follow-up were scanty. In our center, we evaluated trend in weight, GERD symptoms and obesity-related comorbidities in 45 patients undergone RYGB at least 60 months before (mean follow-up 99.9 ± 22.9 months). At RYGB 51.1% patients referred preoperative GERD symptoms; among them, 47.8% showed an intraoperative hiatal hernia (HH). At medium-term follow-up mean BMI was significantly lower compared to baseline (p < 0.001). Among patients with preoperative GERD, 69.6% had GERD resolution and 30.4% reported postoperative GERD symptoms. Furthermore, 18.2% without preoperative GERD referred postoperative GERD new onset. We confirmed that RYGB as primary intervention provides satisfactory weight loss and a high percentage of GERD symptoms resolution. However, about 24.4% of patients complained of GERD symptoms at medium-term follow-up. The pathophysiology of GERD after RYGB, de novo or persistence, is not completely understood and several hypotheses could be drawn; however, further studies focusing the pathophysiology of these symptoms are needed.
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Derivação Gástrica , Refluxo Gastroesofágico , Laparoscopia , Obesidade Mórbida , Gastrectomia , Refluxo Gastroesofágico/epidemiologia , Refluxo Gastroesofágico/cirurgia , Humanos , Obesidade Mórbida/complicações , Obesidade Mórbida/cirurgia , Estudos Retrospectivos , Resultado do TratamentoRESUMO
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. AIM: The aim of the present survey was to evaluate the adherence to micronutrient supplementation in a cohort of Italian patients submitted to BS (BS patients) and to identify predictors of adherence using a self-administered, anonymous, internet-based instrument. METHODS: Patients who underwent BS over the last decade in a single center were invited to participate to a self-administered, anonymous, internet-based survey consisting of a 23 items structured questionnaire evaluating: a. demographic information b. Bariatric procedures performed; c. Indication to BS; d. Lapse of time since last BS, e. Frequency of follow up visits post-surgery, f. Perception of well-being post BS; g. Adherence to micronutrient supplementation; h. Changes in their quality of life and self-esteem. RESULTS: We received an automatic notification of delivery from 1100 out of 1600 BS patients and 290 (81.4% female, mean age 39.5 ± 10.1 years) completed the questionnaire. The main reported bariatric procedures were: Sleeve Gastrectomy (59%), Roux-en-Y Gastric Bypass (31%) and Adjustable Gastric Banding (7.2%). Only 33.1% of the sample acknowledged to have taken all recommended medication regularly. BS patients who underwent malabsorptive procedures and had their last follow up visit more than 5 years earlier, had a higher risk of being nonadherent to micronutrient supplementation. Conversely, BS patients in their forties seemed more likely to adhere to treatment recommendations. Losing more weight was the only independent risk factors for nonadherence to micronutrient supplementation, independently from patient's perception of wellbeing. CONCLUSION: After BS, several clinical and psychosocial factors might predict nonadherence to micronutrient supplementation.
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Cirurgia Bariátrica , Qualidade de Vida , Adulto , Cirurgia Bariátrica/efeitos adversos , Suplementos Nutricionais , Feminino , Humanos , Internet , Masculino , Micronutrientes , Pessoa de Meia-Idade , Inquéritos e QuestionáriosRESUMO
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. The survey was endorsed by five national bariatric surgery societies and circulated amongst their memberships. Authors also shared the link through their personal networks, email groups, and social media. RESULTS: 703 respondents from 77 countries completed the survey. Respondents reported a drop in elective bariatric activity from a median (IQR) of 130 (60-250) procedures in 2019 to a median of 0 (0-2) between16/03/2020 and 15/04/2020 during the pandemic. The corresponding figures for emergency activity were 5 (2-10) and 0 (0-1) respectively. 441 (63%) respondents did not perform any bariatric procedures during this time period. Surgeons reported outcomes of 61 elective bariatric surgical procedures during the pandemic with 13 (21%) needing ventilation and 2 (3.3%) deaths. Of the 13 emergency bariatric procedures reported, 5 (38%) needed ventilation and 4 (31%) died. 90 (13%) surgeons reported having had to perform a bariatric surgical or endoscopic procedure without adequate Personal Protective Equipment. CONCLUSIONS: COVID-19 pandemic led to a remarkable decline in global elective and emergency bariatric surgery activity at its beginning. Both elective and emergency procedures performed at this stage of the pandemic had considerable morbidity and mortality.
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Cirurgia Bariátrica , COVID-19 , Cirurgia Bariátrica/tendências , Humanos , Pandemias/prevenção & controle , Inquéritos e QuestionáriosRESUMO
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. METHODS: We established a committee of 54 globally recognized opinion makers in this field. The committee agreed to vote on several statements concerning SG. An agreement or disagreement amongst ≥ 70.0% experts was construed as a consensus. RESULTS: The committee achieved a consensus of agreement (n = 71) or disagreement (n = 7) for 78 out of 97 proposed statements after two rounds of voting. The committee agreed with 96.3% consensus that the characterization of SG as a purely restrictive procedure was inaccurate and there was 88.7% consensus that SG was not a suitable standalone, primary, surgical weight loss option for patients with Barrett's esophagus (BE) without dysplasia. There was an overwhelming consensus of 92.5% that the sleeve should be fashioned over an orogastric tube of 36-40 Fr and a 90.7% consensus that surgeons should stay at least 1 cm away from the angle of His. Remarkably, the committee agreed with 81.1% consensus that SG patients should undergo a screening endoscopy every 5 years after surgery to screen for BE. CONCLUSION: A multinational team of experts achieved consensus on several aspects of SG. The findings of this exercise should help improve the outcomes of SG, the commonest bariatric procedure worldwide, and guide future research on this topic.
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Derivação Gástrica , Obesidade Mórbida , Consenso , Técnica Delphi , Gastrectomia , Humanos , Obesidade Mórbida/cirurgia , Estudos Retrospectivos , Resultado do Tratamento , Redução de PesoRESUMO
BACKGROUND: The 2018 IFSO Survey focused on similarities and disparities in the number and types of surgical and endoluminal interventions among the IFSO chapters occurred in the last decade. METHODS: All IFSO Societies were asked to fill in the IFSO survey form on how many and which surgical and endoluminal interventions have been performed in the 2018. A special section was added, asking about the existence of national guidelines for bariatric and metabolic surgery, national recommendations for preoperative gastroscopy, type of reimbursement for bariatric/metabolic surgery, including for patients with BMI < 35 kg/m2. The trend analyses from 2008 to 2018 were also performed. RESULTS: Fifty-seven/65 (87.7%) IFSO Societies submitted completed forms. The American Society for Metabolic and Bariatric Surgery did not fill the IFSO survey form but provided an official report on the performed interventions. The total number of surgical and endoluminal procedures performed in 2018 in the world was 696,191. Sleeve gastrectomy (SG) remained the most commonly performed bariatric procedure (N = 386,096; 55.4%). Among the total reported bariatric/metabolic interventions, 604,223 (86.8%) were primary surgical and 29,167 (4.2%) primary endoluminal operations; 62,801 (9%) were revisional procedures. CONCLUSIONS: There was only a slight increase (10.317 procedures) in the total number of the reported bariatric interventions compared to the last IFSO survey. SG continues to be the most commonly performed operation since 2014. The one anastomosis gastric bypass (OAGB), currently the third most performed procedure after SG and Roux-en-Y gastric bypass (RYGB), continues to rise in popularity worldwide.
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Cirurgia Bariátrica , Derivação Gástrica , Obesidade Mórbida , Gastrectomia , Humanos , Obesidade Mórbida/cirurgia , Inquéritos e QuestionáriosRESUMO
BACKGROUND: Laparoscopic Roux-en-Y gastric bypass (LRYGB) is the second most frequently performed bariatric procedure worldwide; however, long-term results are not frequently reported. OBJECTIVES: To evaluate the outcomes of LRYGB on weight loss and co-morbidities in a single center 15 years after the operation. SETTING: Tertiary-care referral hospital. METHODS: From February 2000 to December 2003, 105 patients (86 women; mean age 39.9 ± 17.4; mean body mass index [BMI] 47.2 ± 6.4 kg/m2; 78 with BMI < 50 kg/m2 and 27 with BMI ≥ 50 kg/m2) underwent LRYGB. Retrospective analyses of a prospectively maintained database were carried out to evaluate weight loss; resolution of co-morbidities, including type 2 diabetes mellitus (T2D), hypertension (HTN), and dyslipidemia; complications; and nutritional status. RESULTS: The follow-up rate at 15 years was 87.6%. Mean excess weight loss was 58.6 ± 27%, with 74.1% of patients achieving a total weight loss ≥ 20%. According to the Biron et al. criteria, an inadequate outcome was found in 11/21 (52.4%) of patients with an initial BMI ≥ 50 kg/m2 versus 21/64 (32.8%) of patients with a preoperative BMI < 50 kg/m2 (P = .001). Both groups experienced gradual weight regain (WR); specifically, 34.1% of patients regained more than 15% of their lowest postoperative weight. The rates of reoperations due to early and late surgical complications were 3.8% and 9.5%, respectively. T2D was resolved in 50% of patients, HTN in 61.1%, and dyslipidemia in 58.3%. Iron deficiency anemia (53%) was the most common postoperative nutritional finding. CONCLUSION: LRYGB provides satisfactory weight loss and resolution of co-morbidities up to 15 years. WR was a common finding. A significant proportion of patients with a preoperative BMI ≥ 50 kg/m2 did not achieve a favorable weight loss outcome. Indications to perform LRYGB in this group of patients should be definitively reconsidered.
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Diabetes Mellitus Tipo 2 , Derivação Gástrica , Laparoscopia , Obesidade Mórbida , Adulto , Índice de Massa Corporal , Feminino , Seguimentos , Humanos , Pessoa de Meia-Idade , Obesidade Mórbida/cirurgia , Estudos Retrospectivos , Resultado do Tratamento , Adulto JovemRESUMO
The purpose of this study was to achieve consensus amongst a global panel of expert bariatric surgeons on various aspects of resuming Bariatric and Metabolic Surgery (BMS) during the Coronavirus Disease-2019 (COVID-19) pandemic. A modified Delphi consensus-building protocol was used to build consensus amongst 44 globally recognised bariatric surgeons. The experts were asked to either agree or disagree with 111 statements they collectively proposed over two separate rounds. An agreement amongst ≥ 70.0% of experts was construed as consensus as per the predetermined methodology. We present here 38 of our key recommendations. This first global consensus statement on the resumption of BMS can provide a framework for multidisciplinary BMS teams planning to resume local services as well as guide future research in this area.