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《Chinese Journal of Ultrasound Diagnosis》 2004-04
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Analysis of Detecting Cerebral Blood Flow of the Elder Subjects Through Temporal Window

Luo Lan,Zhong Miaohong Health Care Office,Shenzhen Municipal Committee,Guangdong 518020 China  
Objective To discuss different approaches to detect hemodynamic changes of bilateral hemispheres in the elder patients(≥65 years) using transcranial Doppler (TCD).Methods One thousand one hundred and twenty eight elder people underwent TCD through temporal window and the data were analysed.For those who had bad windows, bilateral hemisphere cerebral blood flow was obtained from ocular window or unilateral temporal window, or unilateral temporal and ocular windows.Results Among these subjects,224 people (19 9%)had closed temporal window, in which unilateral closed window accounted for 7 8% (88 people, left 45, right 43) and bilateral closed window accounted for 12 1% (136 people) Within these 224 people who had closed temporal window, blood flow of the opposite side can be detected from unilateral temporal window in 21 people (23 9% of unilateral closed window); 61% (136) people were detected through ocular window;30% (67) people through unilateral temporal plus ocular window.Conclusions The incidence of closed temporal window is relatively high in the elders.In the majority of those people who have closed temporal window,the cerebral blood flow can be detected through ocular window,whereas blood flow of the opposite side through unilateral temporal window.Thus,the detection effect may be improved.
【CateGory Index】: R445.1
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