Abstract
Transcranial doppler measures the velocity of blood flow in cerebral arteries and the pulsatility index for each artery. The aim of this study was to determine the hemodynamic behaviour in a city located 995 m above sea level, and its association with gender, age and body mass index. The test was performed by an expert on a group of volunteers with no cerebrovascular disease.
The study was performed on 51 volunteers (24 men, mean age 46.2 years, and 27 women, mean age: 48.5 years, standard deviation 6.2 years). There were insufficient readings in 6 participants due to an inadequate acoustic window. Statistical differences (P<.01) in the arteries of the left region of the middle cerebral arteries (P<.01), anterior cerebral (P<.1), and extracranial internal carotid (P<.01) suggest the need for gender differentiation among participants. A slower blood flow in male participants compared to female participants is associated with age (P<.05).
While the value of the mean in some results is suggestive of a difference between groups, the standard deviations are wide, thus this difference does not have enough power to be considered. Future studies are suggested with a larger number of participants.
The study was performed on 51 volunteers (24 men, mean age 46.2 years, and 27 women, mean age: 48.5 years, standard deviation 6.2 years). There were insufficient readings in 6 participants due to an inadequate acoustic window. Statistical differences (P<.01) in the arteries of the left region of the middle cerebral arteries (P<.01), anterior cerebral (P<.1), and extracranial internal carotid (P<.01) suggest the need for gender differentiation among participants. A slower blood flow in male participants compared to female participants is associated with age (P<.05).
While the value of the mean in some results is suggestive of a difference between groups, the standard deviations are wide, thus this difference does not have enough power to be considered. Future studies are suggested with a larger number of participants.
Translated title of the contribution | Estimation of haemodynamic paramenters using transcranial doppler in a group of volunteers from Cali, Colombia, a city 995 m above sea level |
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Original language | Spanish |
Pages (from-to) | 49-56 |
Number of pages | 7 |
Journal | Imagen Diagnóstica |
Volume | 6 |
Issue number | 2 |
DOIs | |
State | Published - 1 Jul 2015 |