Publications by authors named "Bart A van Wagensveld"

The lack of standardization in patient-reported outcome measures (PROMs) has made measurement and comparison of quality of life (QoL) outcomes in research focused on obesity treatment challenging. This study reports on the results of the second and third global multidisciplinary Standardizing Quality of life measures in Obesity Treatment (S.Q.

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Purpose: The focus of measuring success in obesity treatment is shifting from weight loss to patients' health and quality of life. The objective of this study was to select a core set of patient-reported outcomes and patient-reported outcome measures to be used in clinical obesity care.

Materials And Methods: The Standardizing Quality of Life in Obesity Treatment III, face-to-face hybrid consensus meeting, including people living with obesity as well as healthcare providers, was held in Maastricht, the Netherlands, in 2022.

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Purpose: Feedback on technical and procedural skills is essential during the training of residents and fellows. The aim of this study was to assess the performance of a newly created instrument for the assessment of operative skills using laparoscopic Roux-en-Y gastric bypass (LRYGB) video fragments.

Materials And Methods: A new procedure-based assessment (PBA) was created by combining LRYGB key steps with a 5-point independence scale.

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Quality of life is a key outcome that is not rigorously measured in obesity treatment research due to the lack of standardization of patient-reported outcomes (PROs) and PRO measures (PROMs). The S.Q.

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Background: Glucagon-like peptide-1 (GLP-1) receptor agonist treatment is beneficial for the human glucose metabolism, and GLP-1 secretion is greatly enhanced following Roux-en-Y gastric bypass (RYGB).

Objectives: To elucidate the relationship between GLP-1 concentrations and insulin sensitivity in subjects with class II/III obesity without diabetes and to assess the relation between GLP-1 and the improvements in glucose metabolism following RYGB.

Setting: Clinical research facility in a university hospital.

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Objective: Both glucose and triglyceride production are increased in type 2 diabetes and nonalcoholic fatty liver disease (NAFLD). For decades, the leading hypothesis to explain these paradoxical observations has been selective hepatic insulin resistance wherein insulin drives de novo lipogenesis (DNL) while failing to suppress glucose production. Here, we aimed to test this hypothesis in humans.

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Background: Previous studies have suggested that sigmoidectomy with primary anastomosis is superior to Hartmann's procedure. The likelihood of stoma reversal after primary anastomosis has been reported to be higher and reversal seems to be associated with lower morbidity and mortality. Although promising, results from these previous studies remain uncertain because of potential selection bias.

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Purpose: Bariatric procedures are technically complex and skill demanding. In order to standardize the procedures for research and training, a Delphi analysis was performed to reach consensus on the practice of the laparoscopic gastric bypass and sleeve gastrectomy in the Netherlands.

Methods: After a pre-round identifying all possible steps from literature and expert opinion within our study group, questionnaires were send to 68 registered Dutch bariatric surgeons, with 73 steps for bypass surgery and 51 steps for sleeve gastrectomy.

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Background: Patient satisfaction of scar quality and their influence on health-related quality of life (HRQoL) have never been investigated in morbidly obese patients.

Objectives: Our objectives were (1) to assess scar quality 1 year post laparoscopic bariatric surgery by means of the Patient and Observer Scar Assessment Scale (POSAS), and (2) to examine the influence of patients' perception of scar quality on patients' HRQoL.

Setting: A large Bariatric Center of Excellence in the Netherlands.

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Background: The decision to undergo bariatric surgery is multifactorial and made both by patient and doctor. Information is of the utmost importance for this decision.

Objective: To investigate the bariatric surgery patient's preferences regarding information provision in bariatric surgery.

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Background: The number of bariatric interventions for morbid obesity is increasing worldwide. Rapid weight loss is a major risk factor for gallstone development. Approximately 11 % of patients who underwent Roux-en-Y gastric bypass develop symptomatic gallstone disease.

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Purpose Of Review: Increasing numbers of bariatric surgical procedures and the high prevalence of obstructive sleep apnea (OSA) in this population have resulted in a growing interest in the perioperative management of OSA in bariatric surgery. This review provides a summary of the first consensus guideline on this topic as well as an update of the newest literature available.

Recent Findings: All bariatric patients should be screened for OSA and obesity hypoventilation syndrome (OHS) to reduce the risk of perioperative complications.

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Background: Obstructive sleep apnea (OSA) affects two third of morbidly obese individuals undergoing bariatric surgery. Perioperative usage of continuous positive airway pressure (CPAP) is advised for moderately and severe OSA to avoid respiratory failure and cardiac events. CPAP increases the air pressure in the upper airway, but also may elevate the air pressure in the esophagus and stomach.

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An altered intestinal microbiota composition has been implicated in the pathogenesis of metabolic disease including obesity and type 2 diabetes mellitus (T2DM). Low grade inflammation, potentially initiated by the intestinal microbiota, has been suggested to be a driving force in the development of insulin resistance in obesity. Here, we report that bacterial DNA is present in mesenteric adipose tissue of obese but otherwise healthy human subjects.

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Objective: Fructose consumption has been implicated in the development of obesity and insulin resistance. Emerging evidence shows that fibroblast growth factor 21 (FGF21) has beneficial effects on glucose, lipid, and energy metabolism and may also mediate an adaptive response to fructose ingestion. Fructose acutely stimulates circulating FGF21 consistent with a hormonal response.

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Background: Treatment of patients with ileocaecal Crohn's disease who have not responded to conventional therapy is commonly scaled up to biological agents, but surgery can also offer excellent short-term and long-term results. We compared laparoscopic ileocaecal resection with infliximab to assess how they affect health-related quality of life.

Methods: In this randomised controlled, open-label trial, in 29 teaching hospitals and tertiary care centres in the Netherlands and the UK, adults with non-stricturing, ileocaecal Crohn's disease, in whom conventional therapy has failed were randomly allocated (1:1) by an internet randomisation module with biased-coin minimisation for participating centres and perianal fistula to receive laparoscopic ileocaecal resection or infliximab.

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Background: There is an overall complication rate of 6.3%-10% after bariatric surgery. After ruling out anatomic/physical causes, there is a substantial group of patients who develop unexplained postsurgical abdominal pain.

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Background: The frequency of metabolic and bariatric surgery (MBS) is increasing worldwide, with over 500,000 cases performed every year. Obstructive sleep apnea (OSA) is present in 35%-94% of MBS patients. Nevertheless, consensus regarding the perioperative management of OSA in MBS patients is not established.

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Purpose: Surgical procedures for morbid obesity, including laparoscopic Roux-en-Y gastric bypass (LRYGB), are considered standardized laparoscopic procedures. Our goal was to determine how bariatric surgery is trained in the Netherlands.

Materials And Methods: Questionnaires were sent to lead surgeons from all 19 bariatric centers in the Netherlands.

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Background: The aim of this study was to evaluate the value of preoperative liver function tests (LFTs) in patients with uncomplicated gallstone disease and scheduled for laparoscopic cholecystectomy.

Methods: All 1112 patients who underwent a laparoscopic cholecystectomy for symptomatic gallstone disease during a 6-year cohort were retrospectively reviewed. Only patients who presented with uncomplicated disease were selected.

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Background: Around 20% of bariatric surgery patients develop a short- or long-term complication.

Objective: Aim of this study was to develop a risk model predicting complications: the Bariatric Surgery Index for Complications (BASIC).

Setting: The Obesity Center Amsterdam, located in a large teaching hospital, in Amsterdam, The Netherlands.

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Application of the enhanced recovery after surgery (ERAS) to the bariatric surgical procedures is at its early stages with little consolidated evidence. This meta-analysis evaluates present literature and indicates pathways for development of evidence-based standardized ERAS protocols for bariatric surgery. Comparative trials between ERAS and conventional bariatric surgery published till June 2016 were searched in the medical database.

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Women desiring pregnancy might fail to conceive due to their obesity. Bariatric surgery has shown to reduce this infertility up to 58% and is therefore considered a successful strategy for morbidly obese infertile women. Nevertheless, when pregnancy has succeeded, surgery-related complications might occur.

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Background: The Obesity Surgery Mortality Risk Score (OS-MRS) is a validated instrument for mortality risk prediction in patients undergoing laparoscopic Roux-en-Y gastric bypass (LRYGB) procedures classifying patients into low risk (class A), intermediate risk (class B), and high risk (class C).

Objectives: The primary aim of this study was to evaluate the accuracy of the OS-MRS in predicting postoperative complications after LRYGB. Secondarily, the postoperative complication rate between primary and revisional LRYGB was systematically analyzed.

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Background: Patients with severe obesity and obstructive sleep apnea (OSA) might decide to undergo bariatric surgery to improve this disease or, more specifically, to become independent of continuous positive airway pressure (CPAP) therapy, which is generally indicated in case of moderate and severe OSA. Knowledge of this topic is important for patient education on expectations of surgical outcome.

Objectives: To evaluate the prevalence and phenotypes of patients with persistent moderate to severe OSA after bariatric surgery.

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