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Flat-head positioning increases cerebral blood flow in anterior circulation acute ischemic stroke. A cluster randomized phase IIb trial.
(2018)
Background. Whether lying-flat improves blood flow in patients with acute ischemic
stroke (AIS) is unknown. Our aim was to investigate if lying-flat ‘changes’ cerebral
blood flow velocities (CBFV) assessed by transcranial ...
Statistical Analysis plan of the Head Position in acute ischemic Stroke Trial pilot
(2017)
Background: The HEADPOST Pilot is a proof of concept, open, prospective, multicenter,
international, cluster randomized, phase IIb controlled trial, with masked outcome
assessment. The trial will test if lying flat ...
Effects on cerebral blood flow of position changes, hyperoxia, CO2 partial pressure variations and the Valsalva manoeuvre: A study in healthy volunteers
(NLM (Medline), 2021-01-01)
BACKGROUND: Maintaining adequate blood pressure to ensure proper cerebral blood flow (CBF) during surgery is challenging. Induced mild hypotension, sitting position or unavoidable intra-operative circumstances such as ...