Boudewijn R. Toorenvliet

ORCID: 0000-0002-3615-6889
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About
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Research Areas
  • Appendicitis Diagnosis and Management
  • Colorectal Cancer Surgical Treatments
  • Intraperitoneal and Appendiceal Malignancies
  • Diverticular Disease and Complications
  • Anorectal Disease Treatments and Outcomes
  • Gastric Cancer Management and Outcomes
  • Cardiac, Anesthesia and Surgical Outcomes
  • Gastrointestinal disorders and treatments
  • Colorectal Cancer Screening and Detection
  • Colorectal and Anal Carcinomas
  • Intestinal and Peritoneal Adhesions
  • Intestinal Malrotation and Obstruction Disorders
  • Surgical Simulation and Training
  • Meta-analysis and systematic reviews
  • Hidradenitis Suppurativa and Treatments
  • Emergency and Acute Care Studies
  • Hernia repair and management
  • Pelvic floor disorders treatments
  • Amoebic Infections and Treatments
  • Digital Imaging in Medicine
  • Pregnancy-related medical research
  • Abdominal Trauma and Injuries
  • Stoma care and complications
  • Pancreatic and Hepatic Oncology Research
  • Pediatric Pain Management Techniques

Ikazia Ziekenhuis
2011-2024

Amsterdam University Medical Centers
2024

Vrije Universiteit Amsterdam
2024

Catharina Ziekenhuis
2023

Radboud University Nijmegen
2023

Erasmus University Rotterdam
2022

Amsterdam University of Applied Sciences
2015

Leiden University Medical Center
2007-2010

Leiden University
2008-2010

Haga Hospital
2007

Abstract Background Antibiotics are advised in most guidelines on acute diverticulitis, despite a lack of evidence to support their routine use. This trial compared the effectiveness strategy with or without antibiotics for first episode uncomplicated diverticulitis. Methods Patients CT-proven, primary, left-sided, uncomplicated, diverticulitis were included at 22 clinical sites Netherlands, and assigned randomly an observational antibiotic treatment strategy. The primary endpoint was time...

10.1002/bjs.10309 article EN British journal of surgery 2016-09-30

Abstract Background Acute appendicitis continues to be a challenging diagnosis. Preoperative radiological imaging using ultrasound (US) or computed tomography (CT) has gained popularity as it may offer more accurate diagnosis than classic clinical evaluation. The optimal implementation of these diagnostic modalities yet established. aim the present study was investigate pathway that uses routine US, limited CT, and re‐evaluation for patients with acute appendicitis. Methods A prospective...

10.1007/s00268-010-0694-y article EN cc-by-nc World Journal of Surgery 2010-06-25

Abstract Objective To evaluate the diagnostic accuracy of clinical evaluation and cross‐sectional imaging modalities such as ultrasound computed tomography for patients with suspected colonic diverticulitis to determine value these examinations in decision‐making. Method A prospective analysis was conducted 802 consecutive that presented abdominal pain at emergency department. Initial diagnoses management proposals were compared final therapeutic strategies all patients. Results Fifty‐seven...

10.1111/j.1463-1318.2009.01778.x article EN Colorectal Disease 2009-01-27

This study evaluated the additional value of secondary signs in diagnosing appendicitis children with ultrasound. From May 2005 to June 2006, 212 consecutive paediatric patients suspected were examined. Ultrasonographic depiction appendix was classified into four groups: 1, normal appendix; 2, not depicted, no appendicitis; 3, depicted one following signs: hyperechoic mesenteric fat, fluid collection, local dilated small bowel loop; 4, inflamed appendix. We 96 group 41 13 and 62 4....

10.1007/s00330-008-1176-6 article EN cc-by-nc European Radiology 2008-09-24

Abstract Objectives Low levels of white blood cell ( WBC ) count and C‐reactive protein CRP have been suggested to sufficiently rule out acute appendicitis. The diagnostic value these tests is likely depend on the duration complaints. aim this study was evaluate accuracy inflammatory markers in relation symptoms patients suspected Methods Patients having appendicitis were retrospectively selected from five prospective cohorts with abdominal pain presenting at emergency department ED two...

10.1111/acem.12746 article EN Academic Emergency Medicine 2015-08-20

Introduction: Acute mesenteric lymphadenitis in children has a clinical presentation very similar to that of acute appendicitis. The aim this study was evaluate whether it is possible clinically differentiate between appendicitis and children.

10.1055/s-0030-1267979 article EN European Journal of Pediatric Surgery 2010-12-14

Abstract Background The intraoperative classification of appendicitis dictates the patient's postoperative management. Prolonged antibiotic prophylaxis is recommended for complex (gangrenous, perforated, abscess), whereas preoperative suffices simple appendicitis. Distinguishing these two conditions can be challenging. aim this study was to assess interobserver variability in during laparoscopy. Methods Short video recordings taken laparoscopy suspected were shown surgeons and surgical...

10.1002/bjs.10837 article EN cc-by-nc British journal of surgery 2018-04-16

Abstract Background The aim of the present study was to investigate efficacy and safety standard outpatient re‐evaluation for patients who are not admitted hospital after emergency department surgical consultation acute abdominal pain. Methods All seen at between June 2005 July 2006 pain were included in a prospective using structured diagnosis management flowchart. Patients given appointments clinic within 24 h. clinical parameters, radiological results, diagnostic considerations, proposals...

10.1007/s00268-009-0334-6 article EN cc-by-nc World Journal of Surgery 2010-01-04

Minimally invasive right hemicolectomy (MIRH) is the cornerstone of treatment for patients with right-sided colon cancer. This operation has evolved during recent decades, many innovations and improvements but this also resulted in high variability uptake subsequent substantial variableness. The aim ongoing study to identify current surgical variations, determine most optimal standardised MIRH nationally train implement that technique improve short-term clinical long-term oncological...

10.1007/s10151-023-02801-6 article EN cc-by Techniques in Coloproctology 2023-04-25

Acute appendicitis is one of the most common indications for emergency surgery. In patients with a complex appendicitis, prolonged antibiotic prophylaxis recommended after appendectomy. There no consensus regarding optimum duration antibiotics. Guidelines propose 3 to 7 days treatment, but shorter courses may be as effective in prevention infectious complications. At same time, global issue increasing antimicrobial resistance urges optimization strategies. The aim this study determine...

10.1186/s13063-018-2629-0 article EN cc-by Trials 2018-05-02

Purpose Pilonidal sinus disease (PSD) is a subcutaneous infection of the sacrococcygeal region due to entrapment hair and/or debris. International guidelines recommend minimally invasive techniques and flap techniques. A Dutch guideline for treatment PSD not available this may lead practice variation. The aim study was perform national survey on surgical in Netherlands. Method An online sent by e-mail all surgeons residents Association Surgeons. Respondents were asked reflect their...

10.7759/cureus.25050 article EN Cureus 2022-05-16
Alexander A.J. Grüter Boudewijn R. Toorenvliet Eric H J Belgers Eric J.T. Belt Peter van Duijvendijk and 88 more Christiaan Hoff Roel Hompes Anke B. Smits Anthony W. H. van de Ven Henderik L. van Westreenen H. Jaap Bonjer Pieter J. Tanis Jurriaan B. Tuynman Sanne van Aalten Frits Aarts G.S.A. Abis Caroline S. Andeweg Astrid H Baan Coen I.M. Baeten Okan W. Bastian J.S. Blauw Marjolein Blussé van Oud‐Alblas Frank C. den Boer Evert-Jan G. Boerma M. D. M. Bolmers R.J.I. Bosker S. M. M. de Castro Ivan M. Cherepanin S. H. E. M. Clermonts Usha K. Coblijn Ahmet Demirkıran Yassmina Derraze Robert R Dijkstra Youssef El-Massoudi Jeroen A. van Essen Danny J. Evers Hans F. J. Fabry Sofie Fransen Hauwy Goei J. A. H. Gooszen Johannes A. Govaert F.A.B. Grimme Brechtje A. Grotenhuis Anne den Hartog Tjarda van Heek Jeroen Heemskerk Bob H. M. Heijnen C. D. P. van ‘t Hullenaar Gabie M. de Jong Frederik H.W. Jonker Martin R Ketting Jordy J. S. Kiewiet Joop Konsten S A Koopal R.T.J. Kortekaas Emmanuel Lagae Bas Lamme T. Lettinga Harold E Lont Tim Lubbers Hendrik A. Marsman Dietrich J. L. de Mey Daan Moes Peter A. Neijenhuis Lindsey C. F. de Nes Joost Nonner Jikke M.T. Omloo Steven J. Oosterling B Polle Apollo Pronk Rutger-Jan Renger Marnix A.J. de Roos Jeroen E Rütter Arjan P. Schouten van der Velden Ernst Jan Spillenaar Bilgen Ernst J.A. Steller Hein B.A.C. Stockmann Jan H.M.B. Stoot Yuk K Sze Koen Talsma Sanne C. Veltkamp Tim Verhagen Paul M. Verheijen Maarten Vermaas Wouter J. Vles R.J. de Vos tot Nederveen Cappel Dareczka K. Wasowicz Marinke Westerterp Kevin P. Wevers Carlijn Witjes Frans van Workum Ronald J. Zijlstra D. D. E. Zimmerman

Abstract Background Substantial variation exists when performing a minimally invasive right hemicolectomy (MIRH) due to disparities in training, expertise and differences implementation of innovations. This study aimed achieve national consensus on an optimal standardized MIRH technique for colon cancer develop validate video-based competency assessment tool (CAT) MIRH. Method Statements covering all elements were formulated. Subsequently, the Delphi was used reach among 76 colorectal...

10.1093/bjs/znad404 article EN cc-by-nc British journal of surgery 2023-12-16
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

Abstract Aim Managing pilonidal sinus disease (PSD) remains challenging due to high recurrence rates and morbidity associated with treatment. The aim of this study was evaluate the outcomes one year after surgical treatment for chronic PSD in Netherlands. Method Patients who underwent between March 1, 2020, 2021, at 36 participating hospitals were included a prospective observational cohort study. For present study, only patients analysis. One‐year PSD, all received questionnaires on wound...

10.1111/codi.17217 article EN Colorectal Disease 2024-12-02

Increased Echogenicity of Renal Cortex: A Transient Feature in Acutely Ill ChildrenF. Wiersma1 2, B. R. Toorenvliet3 4, M. Ruige5 and H. C. Holscher2 6Audio Available | Share

10.2214/ajr.07.2606 article EN American Journal of Roentgenology 2007-12-19

Abstract Purpose Current studies have demonstrated conflicting results regarding surgical care for acute appendicitis during the COVID-19 pandemic. This study aimed to assess trends in diagnosis as well treatment of Netherlands first and second infection wave. Methods All consecutive patients that had an appendectomy nine hospitals from January 2019 December 2020 were included. The primary outcome was number appendectomies appendicitis. Secondary outcomes included time between onset symptoms...

10.1007/s00384-022-04137-3 article EN cc-by International Journal of Colorectal Disease 2022-04-12
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