{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,16]],"date-time":"2026-06-16T09:32:08Z","timestamp":1781602328367,"version":"3.54.5"},"reference-count":38,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2025,1,7]],"date-time":"2025-01-07T00:00:00Z","timestamp":1736208000000},"content-version":"vor","delay-in-days":6,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["physoc.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Physiological Reports"],"published-print":{"date-parts":[[2025,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The effect of acetazolamide on regional brain tissue oxygenation in patients with acute brain injury (ABI) is unknown. We studied adult patients with ABI who received acetazolamide as per the treating physician's decision and had ICP and brain oxygen pressure (PbtO<jats:sub>2<\/jats:sub>) monitoring. Baseline measurements of ICP, cerebral perfusion pressure (CPP), and PbtO<jats:sub>2<\/jats:sub> were taken before administering acetazolamide; subsequent measurements were recorded every 5\u2009min for a total of 20\u2009min. Mean cerebral blood velocities (FVm) and pulsatility index (PI) were measured using transcranial color\u2010coded duplex (TCCD) sonography at baseline and after 20\u2009min. Fourteen patients with subarachnoid hemorrhage (<jats:italic>n<\/jats:italic>\u2009=\u20096), traumatic brain injury (<jats:italic>n<\/jats:italic>\u2009=\u20097), and intracranial hemorrhage (<jats:italic>n<\/jats:italic>\u2009=\u20091) were included. Following administration of acetazolamide, ICP showed a significant increase within 20\u2009min (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001), with no significant change in CPP (<jats:italic>p<\/jats:italic>\u2009=\u20090.08). PbtO<jats:sub>2<\/jats:sub> demonstrated a significant increase (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001), with a noticeable change observed at 10\u2009min after acetazolamide administration (15 [14\u201317] vs. 28 [26\u201330] mmHg). Additionally, FVm exhibited a significant increase (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001), and PI showed a reduction (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). Administration of acetazolamide in ABI patients resulted in a significant increase in brain oxygenation, associated with a rise in ICP and FVm, suggesting increased cerebral volume and vasodilation.<\/jats:p>","DOI":"10.14814\/phy2.70159","type":"journal-article","created":{"date-parts":[[2025,1,8]],"date-time":"2025-01-08T04:12:01Z","timestamp":1736309521000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Effects of acetazolamide on intracranial pressure and brain tissue oxygenation on patients with acute brain injury: A pilot physiological study"],"prefix":"10.14814","volume":"13","author":[{"given":"Anas","family":"Hachlouf","sequence":"first","affiliation":[{"name":"Department of Intensive Care, H\u00f4pital Universitaire de Bruxelles (HUB) Universit\u00e9 Libre de Bruxelles (ULB)  Bruxelles 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