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BMC Research Notes

, 3:174

First Online: 22 June 2010Received: 09 March 2010Accepted: 22 June 2010DOI: 10.1186-1756-0500-3-174

Cite this article as: Farhoudi, M., Kermani, S. & Sadeghi-Bazargani, H. BMC Res Notes 2010 3: 174. doi:10.1186-1756-0500-3-174


BackgroundTranscranial Doppler TCD is a noninvasive, less expensive and harmless hemodynamic study of main intracranial arteries. The aim of this study was to assess normal population values of cerebral blood flow velocity and its variation over age and gender in a given population.

FindingsEighty healthy volunteers including 40 people with an age range of 25-40 years group1 and 40 persons with an age range of 41-55 years group2 were studied. In each group 20 males and 20 females were enrolled. Peak systolic, end diastolic and mean velocities of nine main intracranial arteries were determined using TCD. Mean age of the studied volunteers was 31.6 ± 4.50 years in group one and 47.2 ± 4.3 years in group two. Mean age among males was 40 years and among females it was 39. Mean blood flow velocity in middle, anterior and posterior cerebral arteries, vertebral and basilar arteries was 60 ± 8, 52 ± 9, 42 ± 6, 39 ± 8 and 48 ± 8 cm-sec respectively. Cerebral blood flow velocities among females were relatively higher than males. Cerebral blood flow velocity of left side was relatively higher than right side.

ConclusionCompared to previous studies, cerebral blood flow velocity in this population was relatively higher.

Electronic supplementary materialThe online version of this article doi:10.1186-1756-0500-3-174 contains supplementary material, which is available to authorized users.

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Autor: M Farhoudi - SN Kermani - H Sadeghi-Bazargani


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