Publications by authors named "Andre Van Beek"

This study aims to give a comprehensive overview of the one anastomosis gastric bypass (OAGB) and Roux-en-Y gastric bypass (RYGB) during 5 years of follow-up in terms of weight loss, the remission of obesity-associated diseases and complications. We performed a retrospective cohort study, with a 1:1 propensity-score matched (PSM) comparison between all adult patients who underwent a primary OAGB or RYGB in 2016. Patients with a body mass index (BMI) ≥50 kg/m were excluded.

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Intermittent scanning continuous glucose monitoring (is-CGM) technology has gained widespread adoption and is known to improve glycemic control and quality of life for persons with diabetes. The elderly may lag behind in their adoption of the technology, which could be a potential avenue for improving quality of care. In this study, we investigated the adoption of is-CGM technology in the Dutch population, including effects of age.

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Introduction: Body Mass Index (BMI) ≥ 50 kg/m2 is more challenging for the bariatric surgeon, because of a thicker abdominal wall, more visceral fat, and hepatomegaly by liver steatosis. This study aims to give an overview of 5-year outcomes after OAGB and RYGB in these patients in terms of weight loss, remission of comorbidities, and complications.

Methods: This retrospective single-center cohort study focused on patients with BMI ≥ 50 kg/m2 undergoing OAGB or RYGB between 2015 and 2017 at a non-academic teaching hospital in the Netherlands.

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Article Synopsis
  • This study compares outcomes of one anastomosis gastric bypass (OAGB) and Roux-en-Y gastric bypass (RYGB) over 5 years, addressing limitations of previous research like small sample sizes and short follow-ups.
  • After matching 860 patients in each group, OAGB showed a higher rate of intraoperative complications, while RYGB had more short-term complications.
  • Both procedures resulted in similar weight loss, but OAGB was more effective in achieving remission of hypertension, despite equivalent diabetes remission rates.
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Personalized and self-initiated dietary adjustments have been shown to alleviate mental and somatic complaints. Here, we investigated the potential role of gut microbiome alterations underlying these effects. For this purpose, participants (n = 185) underwent a four-week self-initiated dietary intervention and filled out weekly questionnaires on their dietary intake, somatic and mental symptoms, and physical activity.

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Article Synopsis
  • Semaglutide, a drug for type 2 diabetes, shows promise in reducing albuminuria and slowing kidney disease progression in patients with chronic kidney disease (CKD) in a double-blind clinical trial.
  • The study involved 101 participants, comparing those receiving 2.4 mg of semaglutide weekly to a placebo, with a focus on changes in urine albumin-to-creatinine ratio after 24 weeks.
  • Results indicated a significant 52.1% reduction in albuminuria for the semaglutide group, although gastrointestinal side effects were more common compared to the placebo group.
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Background: Patients with overweight and obesity are at increased risk of death from multiple causes, including cardiovascular (CV) death, with few therapies proven to reduce the risk.

Objectives: This study sought to assess the effect of semaglutide 2.4 mg on all-cause death, CV death, and non-CV death, including subcategories of death and death from coronavirus disease-2019 (COVID-19).

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Background: Tailoring the biliopancreatic limb length in one anastomosis gastric bypass is proposed as beneficial in retrospective studies, yet randomized trials are lacking. The aim of this double-blind, single-centre RCT was to ascertain whether tailoring biliopancreatic limb length based on total small bowel length (TSBL) results in superior outcomes after one anastomosis gastric bypass compared with a fixed 150 cm biliopancreatic limb length.

Methods: Eligible patients, meeting International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO) criteria for metabolic bariatric surgery, scheduled for primary one anastomosis gastric bypass surgery, and willing to be randomized, underwent TSBL measurement during surgery.

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In the SELECT cardiovascular outcomes trial, semaglutide showed a 20% reduction in major adverse cardiovascular events in 17,604 adults with preexisting cardiovascular disease, overweight or obesity, without diabetes. Here in this prespecified analysis, we examined effects of semaglutide on weight and anthropometric outcomes, safety and tolerability by baseline body mass index (BMI). In patients treated with semaglutide, weight loss continued over 65 weeks and was sustained for up to 4 years.

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Introduction: Determining limb length in gastric bypass procedures is a crucial step to ensure significant weight loss without risking malnutrition. This study investigated the effect of ex vivo training on the skills needed to determine limb lengths.

Materials And Methods: This was a single-center ex vivo training experiment in a teaching hospital in the Netherlands.

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Article Synopsis
  • The study investigated how different diets (low-fat vs. high-fat/sucrose) affected weight loss after Roux-en-Y gastric bypass (RYGB) surgery in rats.
  • Rats fed a high-fat/sucrose diet lost more weight post-surgery compared to those on a low-fat diet, primarily due to lower energy intake and initial body weight differences.
  • Interestingly, continuing the high-fat/sucrose diet did not hinder recovery from surgery, even though low-fat dieting led to signs of malaise following RYGB.
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Sodium-glucose cotransporter-2 inhibitors (SGLT2is) are a new class of drugs that have been proven beneficial in the management of diabetes, chronic kidney disease, and heart failure and in the mitigation of cardiovascular risk. The benefits of SGLT2i therapy have led to the rapid adoption of these drugs in clinical guidelines. Since the introduction of these drugs, concerns have arisen, as diabetic ketoacidosis (DKA) unexpectedly occurred in patients treated with SGLT2i.

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Continuous glucose monitoring (CGM) usage has been shown to improve disease outcomes in people living with diabetes by facilitating better glycemic management. However, previous research has suggested that access to these devices can be influenced by nonmedical factors such as socioeconomic status and ethnicity. It is critical that equitable access to CGM devices is ensured as people from those groups experience poorer diabetes-related health outcomes.

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Context: Systemic inflammation plays a pivotal role in the development of type 2 diabetes (T2D).

Objective: We hypothesized that circulating levels of calprotectin, a myeloid cell-derived biomarker of inflammation, is associated with the development of new-onset T2D in the general population.

Methods: A total of 4815 initially nondiabetic participants of the Prevention of Renal and Vascular End-stage Disease (PREVEND), a prospective population-based cohort study, were assessed for plasma levels of calprotectin at baseline.

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Objectives: Type 2 diabetes (T2DM) is associated with increased risk for cardiovascular disease (CVD). Whether screen-detected T2DM, based on fasting plasma glucose (FPG) or on HbA, are associated with different risks of incident CVD in high-risk populations and which one is preferable for diabetes screening in these populations, remains unclear.

Methods: A total of 8,274 high-risk CVD participants were included from the UCC-SMART cohort.

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Ubiquitous non-persistent endocrine disrupting chemicals (EDCs) have inconsistent associations with cardiometabolic traits. Additionally, large-scale genome-wide association studies (GWASs) have yielded many genetic risk variants for cardiometabolic traits and diseases. This study aimed to investigate the associations between a wide range of EDC exposures (parabens, bisphenols, and phthalates) and 14 cardiometabolic traits and whether these are moderated by their respective genetic risk scores (GRSs).

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Article Synopsis
  • Ubiquitous exposure to endocrine disrupting chemicals (EDCs) is a significant public health issue, but individual differences in how these chemicals are processed and eliminated are not well understood.
  • A genome-wide association study (GWAS) identified five significant genetic markers (SNPs) linked to the excretion of certain phthalate metabolites, particularly focusing on two main compounds, MECPP and MEHHP.
  • The study suggests that specific genes, particularly CYP2C9 and SLC17A1, play a key role in how the body metabolizes and eliminates these harmful chemicals, contributing to variations in the population's exposure effects.
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Background: Patients with metabolic dysfunction-associated steatotic liver disease (MASLD) are at a risk of developing cardiovascular disease. Antiplatelet therapy not only prevents cardiovascular disease in these patients, but may also lower the risk of progression into advanced stages of fibrosis. However, patients with MASLD-associated cirrhosis often have complex changes in the hemostatic system and have been excluded from randomized trials.

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Objective: Insulin-like growth factor 1 (IGF-1) measurements play a central role in the diagnosis and follow-up of acromegaly and growth hormone deficiency. However, improving health care outcomes for these patients involves an intricate process of laboratory diagnostics and skilled health care professionals. The integrated effects of IGF-1 reports on diagnosis and treatment decisions are yet unknown.

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Bariatric surgery is widely used as an effective treatment for obesity. Changes in the anatomy of the digestive tract as a result of these operations may lead to changes in drug availability. This is illustrated by three cases in which problems arose with calcium metabolism, thyroid hormone substitution or weight.

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Context: The phosphate-regulating hormone fibroblast growth factor 23 (FGF23) has been linked to deregulations in glucose metabolism, but its role is insufficiently understood.

Objective: This study investigates potential crosstalk between FGF23 and glucose homeostasis.

Methods: First, we investigated the effect of glucose loading on plasma C-terminal FGF23 levels and its temporal relationship with changes in plasma phosphate in 45 overweight (body mass index [BMI] 25-30) individuals using time-lag analyses.

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Glucocorticoids prescribed to limit inflammation, have significant adverse effects. As 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) regenerates active glucocorticoid, we investigated whether 11β-HSD1 inhibition with AZD4017 could mitigate adverse glucocorticoid effects without compromising their anti-inflammatory actions. We conducted a proof-of-concept, randomized, double-blind, placebo-controlled study at Research Unit, Churchill Hospital, Oxford, UK (NCT03111810).

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