University of Groningen Cerebral hemodynamics in stroke and traumatic brain injury Aries, Marinus 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 Final author's version (accepted by publisher, after peer review) Publication date: 2012 Link to publication in University of Groningen/UMCG research database Citation for published version (APA): Aries, M. (2012). Cerebral hemodynamics in stroke and traumatic brain injury: the interplay between blood pressure, cerebral perfusion, body position and autoregulation. [S.n.]. Copyright Other than for strictly personal use, it is not permitted to download or to forward/distribute the text or part of it without the consent of the author(s) and/or copyright holder(s), unless the work is under an open content license (like Creative Commons). The publication may also be distributed here under the terms of Article 25fa of the Dutch Copyright Act, indicated by the “Taverne” license. More information can be found on the University of Groningen website: https://www.rug.nl/library/open-access/self-archiving-pure/taverne- amendment. Take-down policy If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Downloaded from the University of Groningen/UMCG research database (Pure): http://www.rug.nl/research/portal. For technical reasons the number of authors shown on this cover page is limited to 10 maximum. Download date: 17-03-2023 Cerebral Hemodynamics in Stroke and Traumatic Brain Injury The interplay between blood pressure, cerebral perfusion, body position and autoregulation M.J.H. Aries Studies described in this thesis were supported by a grant of the Netherlands Organisation for Health Research and Development (ZonMw) and European Federation of Neurological Societies (EFNS). The printing of this thesis was financially supported by Rijksuniversiteit Groningen, Mundipharma, Boehringer Ingelheim, UCB, Bayer, Baxter and Merck Sharp & Dohme. © Copyright Marcel Aries 2012 Cover image was adapted from the original article of Warren JV, Sci Am 1974. Chapter covers were kindly provided by Albert Lemmens (LS collection), Nijmegen. Lay out: Douwe Oppewal, Groningen. Printed by: Netzodruk, Groningen. ISBN: 978-90-367-5974-8 Cerebral Hemodynamics in Stroke and Traumatic Brain Injury The interplay between blood pressure, cerebral perfusion, body position and autoregulation Proefschrift ter verkrijging van het doctoraat in de Medische Wetenschappen aan de Rijksuniversiteit Groningen op gezag van de Rector Magnificus, dr. E. Sterken, in het openbaar te verdedigen op maandag 21 januari 2013 om 16.15 uur door Marinus Johannes Hermanus Aries Geboren op 9 maart 1979 te Boxtel Promotores: Prof. dr. H.P.H. Kremer Prof. dr. J.H.A. De Keyser Copromotores: Dr. P.C.A.J. Vroomen Dr. J.W.J. Elting Beoordelingscommissie: Prof. dr. A.R. Absalom Prof. dr. W.H. Mess Prof. dr. A.F. Bos Paranimfen: Hanneke Joosten Myriam McCulloch-Aries Table of conTenTs Part 1. Introduction and aims Chapter 1 Introduction and Outline 9 Part 2. Clinical and methodological background Chapter 2 Cerebral vasoregulation: clinical perspectives? 15 (Accepted by Ned Tijdschr Geneeskd) Chapter 3 Cerebral autoregulation in stroke: a review of 29 transcranial Doppler studies (Stroke 2010) Chapter 4 Reproducibility and variability of dynamic cerebral 47 autoregulation during passive cyclic leg raising (submitted) Part 3. Blood pressure, cerebral perfusion and vasoregulation in different body positions in acute stroke and critically ill patients Chapter 5 Variations of blood pressure in stroke unit patients may result 63 from alternating body positions (J Stroke Cerebrovasc Dis 2012) Chapter 6 Intra-arterial blood pressure reading in intensive care unit patients 75 in the lateral position (J Clin Nurs 2012) Chapter 7 Exaggerated postural blood pressure rise is related to a 85 favorable outcome in patients with acute ischemic stroke (Stroke 2012) Chapter 8 The impact of upright positioning in bed on cerebral blood flow 99 velocity after acute stroke. Implications for safety of early mobilization after stroke (submitted) Part 4. Applications in clinical research Chapter 9 Near-infrared spectroscopy for the detection of desaturations 125 in vulnerable ischemic brain tissue: a pilot study at the stroke unit bedside (Stroke 2012) Chapter 10 Continuous monitoring of cerebrovascular reactivity using pulse 131 waveform of intracranial pressure (Neurocrit Care 2012) Chapter 11 Continuous determination of optimal cerebral perfusion pressure 145 in traumatic brain injury (Crit Care Med 2012) Chapter 12 Summary and Discussion 161 Chapter 13 Summary in Dutch/ Nederlandse Samenvatting 177 Chapter 14 Acknowledgments/ Dankwoord 187 Chapter 15 Curriculum vitae 193 Chapter 16 Publications/ Publicaties 197 cerebral hemodynamics in stroke and traumatic brain injury 7 chapTer 1 InTroducTIon and ouTlIne
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