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DIStal gastriC bypass Outcome in Revision SurgEry after roux-en-y gastric bypass

The aim of this study is to investigate the effect of two distalisation techniques of a gastric bypass in revisional surgery with standardised limb lengths in total weight loss (TWL) and the need for treatment for protein calorie malnutrition (PCM…

VASCO study: A population-based prospective cohort study on vaccine effectiveness of COVID-19 vaccines in the Netherlands

The primary objective is to estimate product-specific vaccine effectiveness (VE) of the COVID-19 vaccines that are used in the Dutch national vaccination program against symptomatic SARS-CoV-2 infection by age and medical risk group at a time point…

PeRcutaneous cOronary intervention of native Coronary arTery versus venous bypass graft in patients with prior cORonary artery bypass graft surgery - the PROCTOR trial

To compare the clinical and angiographic outcomes of a strategy of native vessel PCI with SVG PCI in patients with prior CABG presenting with SVG failure and a clinical indication for repeat revascularization, as determined by the local Heart Team.

The prospective data collection initiative on on small bowel, colorectal and anal cancer - a prospective observational cohort study.

The main objectives of this project are:- To start a prospective observational cohort study of patients who have been diagnosed with CRC, small bowel and anal cancer and follow them from time of diagnosis until death.- To prospectively collect data…