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Collegium antropologicum, Vol.32 - Supplement 1 No.1 May 2008. -

Auditory stimulation increases mean blood flow velocity MBFV in the middle cerebral artery MCA in healthy individuals.

Our aim was to monitor such changes in the affected MCA of patients with acute ischemic stroke AIS. The

study included 66 non-thrombolysed patients with AIS who were divided into groups according to National Institutes of

Health Stroke Scale NIHSS score. Group I consisted of patients with NIHSS score £ 10 and group II with NIHSS score

³11. Affected MCA was insonated with transcranial Doppler TCD. MCA MBFVs were monitored during listening to

music for 30 minutes. The first response of MBFV increase was measured as time Tmax and percentage of amplitude

change Amax. Pearson Chi-Square test was used. In 78.85% of patients there was a significant increase in MBFV compared

to baseline values as a reaction to the music. There was no significant difference in Tmax or Amax between the two

groups. However, a trend of longer Tmax was observed with every 2 NIHSS score increase. Music is an auditory stimulus

in stroke patients and can be measured with TCD as MCA MBFV increase. Although our study showed no significant

change of reaction time with the severity of stroke, a trend of prolonged Tmax was observed with NIHSS score increase.

functional transcranial Doppler; Music; Stroke; Auditory stimulus



Autor: Sonja Antić - Ivana Galinović - Arijana Lovrenčić-Huzjan - Vlasta Vuković - Miljenka-Jelena Jurašić - Vida Demarin -

Fuente: http://hrcak.srce.hr/



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