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University of Groningen

Elucidating the mechanisms of anastomotic leakage

van Praagh, Jasper

DOI:

10.33612/diss.119066366

IMPORTANT NOTE: You are advised to consult the publisher's version (publisher's PDF) if you wish to cite from it. Please check the document version below.

Document Version

Publisher's PDF, also known as Version of record

Publication date: 2020

Link to publication in University of Groningen/UMCG research database

Citation for published version (APA):

van Praagh, J. (2020). Elucidating the mechanisms of anastomotic leakage: a new point of view. Rijksuniversiteit Groningen. https://doi.org/10.33612/diss.119066366

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Elucidating the Mechanisms

of Anastomotic Leakage

A New Point of View

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van Praagh, Jasper B.

Elucidating the Mechanisms of Anastomotic Leakage, A New Point of View

PhD dissertation, University of Groningen, The Netherlands

ISBN: 978-94-6375-726-3

ISBN (electronic version): 978-94-034-2440-8

© Copyright 2020 – Jasper B. van Praagh, Groningen, The Netherlands

All rights reserved. No part of this thesis may be reproduced, stored in a retrieval system or transmitted in any form or by any means, without prior permission of the author or, when appropriate, of the publisher of the published articles.

Cover design & Lay-out: Lara Leijtens, persoonlijkproefschrift.nl Print: Ridderprint | www.ridderprint.nl

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Elucidating the Mechanisms of

Anastomotic Leakage

A New Point of View

Proefschrift

ter verkrijging van de graad van doctor aan de Rijksuniversiteit Groningen

op gezag van de

rector magnificus prof. dr. C. Wijmenga en volgens besluit van het College voor Promoties.

De openbare verdediging zal plaatsvinden op woensdag 11 november 2020 om 16.15 uur

door

Jasper Boudewijn van Praagh

geboren op 6 maart 1991 te Amsterdam

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Promotores

Prof. dr. P. Olinga Prof. dr. H. van Goor

Copromotores Dr. K. Havenga Dr. H.J.M. Harmsen Beoordelingscommissie Prof. dr. R.K. Weersma Prof. dr. H.G.D. Leuvenink Prof. dr. P.J. Tanis Paranimfen Boris A. de Cort Joost C. Beusekamp

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OUTLINE

Chapter 1 General Introduction and Outline of this Thesis 6 Chapter 2 Intestinal Microbiota and Anastomotic Leakage of Stapled

Colorectal Anastomoses: A Pilot Study

Surgical Endoscopy 2016

18

Chapter 3A Mucus Microbiome of Anastomotic Tissue During Surgery Has

Predictive Value for Colorectal Anastomotic Leakage

Annals of Surgery 2018

32

Chapter 3B Response to Comment on “Mucus Microbiome of Anastomotic

Tissue During Surgery Has Predictive Value for Colorectal Anastomotic Leakage”

Annals of Surgery 2019

48

Chapter 4 Microbiome Research: A Primer for the Interested Surgeon

Submitted 54

Chapter 5 Transcriptomic Profiles of Samples From Colorectal Anastomosis of Patients Developing Anastomotic Leakage Show a Distinct Signature

Submitted

78

Chapter 6 Workflow and Methods to Determine the Role of Bacteria in Anastomotic Leak Pathogenesis From Human Samples: Defining the Role of Bacillus subtilis

Submitted

104

Chapter 7 Western Diet Promotes Intestinal Colonization with Collagenolytic Microbiota and Drives Tumour Formation Following Colorectal Surgery

Gastroenterology 2019

116

Chapter 8 Summary, General Discussion and Conclusion 146 Chapter 9 Dutch Summary

Nederlandse Samenvatting 162 Appendices Dankwoord Publicaties Over de auteur 170 176 178

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THE DARK SIDE OF THE MOON

A legendary album by the British band Pink Floyd, with one of the most recognized album covers of all time. The songs in this album can together be seen as a cautionary tale, which is a tale told to warn its listener of a danger. The dark side of the moon is also an expression used to describe something unknown or mysterious. It’s also simply an epic album.

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