Cerebrovascular reactivity assessment with O2-CO2 exchange ratio under brief breath hold challenge
نویسندگان
چکیده
منابع مشابه
Normalizing cerebrovascular reactivity map via concomitant CO2 and O2 challenge
INTRODUCTION: Cerebrovascular reactivity (CVR), referring to the ability of blood vessels to dilate upon stimulation, is an important marker of brain’s vascular function (1). During the past few years, there has been a surging interest in quantitative mapping of CVR using BOLD MRI in combination with hypercapnia challenge (2-5) and to use this technique in cerebrovascular diseases (3,4) and nor...
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Cerebrovascular reactivity (CVR) is the cerebral hemodynamic response to a vasoactive substance. Breath-hold (BH) induced CVR has the advantage of being non-invasive and easy to implement during magnetic resonance imaging (MRI). We systematically reviewed the literature regarding MRI measurement of BH induced CVR. The literature was searched using MEDLINE with the search terms breath-hold; and ...
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One hypothesis on the pathogenesis of post-ischemic-anoxic encephalopathy is impaired cerebral perfusion or the no-reflow phenomenon. Therapies aimed at preventing the development of this phenomenon are increased cerebral perfusion pressure (CPP) and hyperventilation or hypercapnia. Using a dog model in which we have described the progressive development of post-ischemic (PI) cerebral hypoperfu...
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ژورنال
عنوان ژورنال: PLOS ONE
سال: 2020
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0225915