Stefan van Oostendorp

ORCID: 0000-0002-6969-7956
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About
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Research Areas
  • Colorectal Cancer Surgical Treatments
  • Colorectal Cancer Screening and Detection
  • Colorectal and Anal Carcinomas
  • Anorectal Disease Treatments and Outcomes
  • Cardiac, Anesthesia and Surgical Outcomes
  • Trauma, Hemostasis, Coagulopathy, Resuscitation
  • Trauma and Emergency Care Studies
  • Diverticular Disease and Complications
  • Gastric Cancer Management and Outcomes
  • Emergency and Acute Care Studies
  • Intraperitoneal and Appendiceal Malignancies
  • Pelvic and Acetabular Injuries
  • Surgical Simulation and Training
  • Gastrointestinal disorders and treatments
  • Patient-Provider Communication in Healthcare
  • Health Promotion and Cardiovascular Prevention
  • Congenital Diaphragmatic Hernia Studies
  • Medical Malpractice and Liability Issues
  • Hemostasis and retained surgical items
  • Autopsy Techniques and Outcomes
  • Anatomy and Medical Technology
  • Nursing Roles and Practices
  • Pleural and Pulmonary Diseases
  • Surgical site infection prevention
  • Digital Imaging in Medicine

Amsterdam University Medical Centers
2019-2025

Vrije Universiteit Amsterdam
2019-2025

Rode Kruis Ziekenhuis
2023-2024

Red Cross Hospital
2024

Amsterdam UMC Location Vrije Universiteit Amsterdam
2016-2021

Cancer Center Amsterdam
2019-2021

Dutch Colorectal Cancer Group
2021

University of Amsterdam
2020

Abstract Background Transanal total mesorectal excision (TaTME) has been proposed as an approach in patients with mid and low rectal cancer. The TaTME procedure introduced the Netherlands a structured training pathway, including proctoring. This study evaluated local recurrence rate during implementation phase of TaTME. Methods Oncological outcomes first ten procedures each 12 participating centres were collected part external audit implementation. Data from cohort treated over prolonged...

10.1002/bjs.11525 article EN cc-by British journal of surgery 2020-04-04

Abstract Background Transanal total mesorectal excision (TaTME) for mid and low rectal cancer has been shown to improve short-term outcomes, mostly due lower conversion rates with improved quality of the specimen. However, robust long-term oncological data supporting encouraging clinical pathological outcomes are lacking. Methods All consecutive patients undergoing TaTME curative intent or in two referral centers The Netherlands between January 2012 April 2016 a complete minimum follow-up 36...

10.1007/s10151-019-02094-8 article EN cc-by Techniques in Coloproctology 2019-09-01

Abstract Background Adequate MRI-based staging of early rectal cancers is essential for decision-making in an era organ-conserving treatment approaches. The aim this population-based study was to determine the accuracy routine daily MRI cancer, whether or not combined with endorectal ultrasonography (ERUS). Methods Patients cT1–2 cancer who underwent local excision total mesorectal (TME) without downsizing (chemo)radiotherapy between 1 January 2011 and 31 December 2018 were selected from...

10.1002/bjs.11590 article EN cc-by British journal of surgery 2020-04-16

Transanal total mesorectal excision (TaTME) is a new complex technique with potential to improve the quality of surgical for patients mid and low rectal cancer. The procedure technically challenging has shown be associated relative long learning curve which might hamper widespread adoption. Therefore, national structured training pathway TaTME been set up in Netherlands allow safe implementation. aim this study was monitor safety efficacy program 12 centers. Short-term outcomes first ten...

10.1007/s00464-019-06750-w article EN cc-by Surgical Endoscopy 2019-03-19
Koen P. Rovers Checca Bakkers Simon W. Nienhuijs Jacobus W. A. Burger Geert-Jan Creemers and 76 more Anna M.J. Thijs Alexandra R. M. Brandt‐Kerkhof Eva V. E. Madsen Esther van Meerten Jurriaan B. Tuynman Miranda Kusters Kathelijn S. Versteeg Arend G. J. Aalbers Niels F.M. Kok Tineke E. Buffart Marinus J. Wiezer Djamila Boerma Maartje Los Philip R. de Reuver Andreas J. A. Bremers Henk M.W. Verheul Schelto Kruijff Derk Jan A. de Groot Arjen J. Witkamp Wilhelmina M. U. van Grevenstein Miriam Koopman Joost Nederend Max J. Lahaye Onno Kranenburg Remond J.A. Fijneman Iris van ‘t Erve Pétur Snæbjörnsson Patrick Hemmer Marcel G. W. Dijkgraaf Cornelis J.A. Punt Pieter J. Tanis Ignace H. J. T. de Hingh Jeanette M. Bouma Vincent CJ van de Vlasakker Robin J. Lurvink Geert A. Simkens Johanne G. Bloemen Jeroen E. H. Ponten Jennifer Demelinne Birgit E. P. J. Vriens Joost Rothbarth Ninos Ayez Nadine L. de Boer Job P. van Kooten Marjolein Diepeveen Mark Tenhagen Sander Bach Stefan van Oostendorp Lisanne JH Smits Nina R. Sluiter Sacha Spoor Hans van Vliet Koert F.D. Kuhlmann Brechtje A. Grotenhuis C Verberne Patricia D Bottenberg Myriam Chalabi Emma C. E. Wassenaar Paulien Rauwerdink Mendy SM Hermans Karin H. Herbschleb Johannes H.W. de Wilt Fortuné M.K. Elekonawo Jan Marie de Gooyer Nanneke Meijer Lukas B. Been Robert J. van Ginkel Frederik J.H. Hoogwater Judith E. K. R. Hentzen Linde Olsder Rudolf S.N. Fehrmann Karin K. van Diepen Jeanine Roodhart Eino B. van Duyn W. J. B. Mastboom Leonie J. Mekenkamp

<h3>Importance</h3> To date, no randomized clinical trials have investigated perioperative systemic therapy relative to cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (CRS-HIPEC) alone for resectable colorectal peritoneal metastases (CPM). <h3>Objective</h3> assess the feasibility safety of in patients with CPM response neoadjuvant treatment. <h3>Design, Setting, Participants</h3> An open-label, parallel-group phase 2 trial all 9 Dutch tertiary centers surgical treatment...

10.1001/jamasurg.2021.1642 article EN JAMA Surgery 2021-05-19

Roux-en-Y gastric bypass (RYGB) results in glucose-lowering patients with type 2 diabetes mellitus (T2DM) and may be associated increased intestinal glucose excretion. However, the contribution of excretion to glycemic control after RYGB its underlying mechanisms are not fully elucidated. Here, we confirmed that significantly obese rats RYGB, which was negatively correlated postoperative blood levels. Moreover, also found Biliopancreatic limb length, an important factor affecting improvement...

10.1080/19490976.2025.2473519 article EN cc-by Gut Microbes 2025-03-03

Abstract Aim Transanal total mesorectal excision (TaTME) has been suggested as a potential solution for the resection of challenging mid and low rectal cancer. This relatively complex procedure implemented in many centres over last years, despite absence long‐term safety data. Recently, concern arisen because an increase local recurrence implementation phase. The aim this study was to assess correlation between accumulated experience recurrences. Method An independent clinical researcher...

10.1111/codi.15722 article EN Colorectal Disease 2021-05-10

Abstract Aim The high morbidity associated with radical resection for rectal cancer is an incentive surgeons to adopt strategies aimed at organ preservation, particularly early disease. There are a number of different approaches achieve this. In this study we have collated current national and international guidelines produce synopsis support changing practice. Method PubMed, Embase, Trip, National Guideline Clearinghouse BMJ Best Practice databases were interrogated. Guidelines published...

10.1111/codi.13960 article EN Colorectal Disease 2017-11-14

The aim of this study was to develop an objective and reliable surgical quality assurance system (SQA) for COLOR III, international multicenter randomized controlled trial (RCT) comparing transanal total mesorectal excision (TaTME) with laparoscopic approach rectal cancer.SQA influences outcome measures in RCTs such as lymph nodes harvest, in-hospital mortality, locoregional cancer recurrence. However, levels SQA are variable.Hierarchical task analysis TaTME performed. A 4-round Delphi...

10.1097/sla.0000000000003537 article EN Annals of Surgery 2019-10-01

Background: Transanal total mesorectal excision (TaTME) is potentially the answer to refractory challenges in rectal cancer surgery. The surgical dissection deep pelvis facilitated by a down up approach with modern laparoscopic techniques. Potential benefits are decrease short-term morbidity including anastomotic leakages, conversion and colostomy rate, better quality of specimens less R1 rates. Long-term oncological outcome data lacking needs be reviewed thoroughly. Initial (comparative)...

10.21037/ales.2018.04.02 article EN cc-by-nc-nd Annals of Laparoscopic and Endoscopic Surgery 2018-05-01
Alexander A.J. Grüter Willemijn A. Jongsma Nicola Leone Hasti Barai Boudewijn R. Toorenvliet and 95 more Pieter J. Tanis Jurriaan B. Tuynman Sanne van Aalten F Aarts G.S.A. Abis Berdel Akmaz C S Andeweg Astrid H Baan Coen I.M. Baeten Vivian P. Bastiaenen Olaf Bastian Eric H.J. Belgers Eric J.T. Belt B Berndsen J.S. Blauw Marjolein Blussé van Oud‐Alblas Frank C. den Boer Evert Jan Boerma M. D. M. Bolmers R.J.I. Bosker Joris J. van den Broek S. M. M. de Castro Ivan M. Cherepanin S. H. E. M. Clermonts Robert J.S. Coelen Esther C. J. Consten Ahmet Demirkıran Eva B. Deerenberg R Dijkstra P. van Duijvendijk Youssef El-Massoudi Jeroen A. van Essen Daniel J. Evers Hans F. J. Fabry Stefan J. Fransen P. van Gerven Hauwy Goei J. A. H. Gooszen Johannes A. Govaert Frederike A.B. Grimme E. Joline de Groof Brechtje A. Grotenhuis Anita Hartog Tjarda van Heek Jeroen Heemskerk Bob H. M. Heijnen Christiaan Hoff Roel Hompes C. D. P. van ‘t Hullenaar Gabie M. de Jong F.H.W. Jonker Martin R Ketting Jordy J. S. Kiewiet Joop Konsten S A Koopal R.T.J. Kortekaas E. A. G. L. Lagae Bas Lamme Jeroen W. A. Leijtens T. Lettinga Harold E Lont Tim Lubbers Hendrik A. Marsman Jorn P. Meekel Dietrich J. L. de Mey Daan Moes Peter A. Neijenhuis Lindsey C. F. de Nes Joost Nonner Lynn E. Nooijen Jikke M.T. Omloo Stefan van Oostendorp Steven J. Oosterling B Polle A. Pronk R J Renger Marnix de Roos Jeroen E Rütter Arjan P. Schouten van der Velden Bo P. Smalbroek Anke B. Smits Ernst Jan Spillenaar Bilgen Ernst J.A. Steller Hein B.A.C. Stockmann Jan H.M.B. Stoot J. Straatman Hilko A. Swank Yuk K Sze Koen Talsma Quirijn R.J.G. Tummers S. Veltkamp Anthony W. H. van de Ven Tim Verhagen Paul M. Verheijen Maarten Vermaas

10.1093/bjs/znae291 article EN cc-by British journal of surgery 2024-10-30

We present the case of a 57-year-old man who had suffered pain in left hemithorax for year, which started after period severe coughing during pneumonia. The was triggered by lying down. A computed tomography scan revealed two nonunion costal fractures. In operating room, intercostal diastasis with pulmonary herniation encountered addition to This report describes technique used reconstruct thoracic wall mesh and plate-osteosynthesis.

10.1177/0218492318772769 article EN Asian Cardiovascular and Thoracic Annals 2018-04-24

Abstract Background Abdominoperineal excision (APE) for rectal cancer is associated with a relatively high risk of positive margins and postoperative morbidity, particularly related to perineal wound healing problems. It unknown whether the use minimally invasive approach part these procedures can improve outcomes without oncological compromise. The aim this study was evaluate feasibility transperineal abdominoperineal (TpAPE) Methods This multicenter retrospective cohort included all...

10.1007/s10151-020-02234-5 article EN cc-by Techniques in Coloproctology 2020-06-16

In early rectal cancer, organ sparing treatment strategies such as local excision have gained popularity. The necessity of radical surgery is based on the histopathological evaluation specimen. This study aimed to describe diagnostic variability between pathologists, and its impact allocation in patients with locally excised cancer.

10.1016/j.ejso.2023.02.008 article EN cc-by-nc-nd European Journal of Surgical Oncology 2023-02-18
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