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Journal of the Korean Academy of Rehabilitation Medicine 1998;22(4):833-839.
Assessment of Cerebral Hemodynamics Using Transcranial Doppler Sonography in Normal Adults.
Kim, Tae Ho , Chong, Soon Yeol , Chung, Jin Sang
Department of Rehabilitation Medicine, College of Medicine, Kon-Kuk University.
경두개 도플러 초음파를 이용한 정상 성인의 뇌 혈역학적 평가
김태호, 정순열, 정진상
건국대학교 의과대학 재활의학과
Abstract

Objective
To establish the normal values of the transcranial doppler sonography in healthy Korean adults according to the increasing age and sex.


Method
We examined 68 healthy adult volunteers who had no history of diabetes mellitus, hypertension, cerebrovascular disease or other neurological illness. The study included 54 subjects from whom good doppler signals from the middle, anterior, and posterior cerebral arteries could be obtained. Mean blood flow velocity (MBFV), Resistance index (RI), and Pulsatility index (PI) were analyzed by Angiodine 2 Doppler System operating at 2 MHz frequency.


Results
MBFV significantly decreased with the increasing age in the middle, anterior and posterior cerebral arteries (p<0.05). There was a significantly decreased MBFV of the middle cerebral artery in the 4 th, 5 th, 6 th, and 7 th decades compared to the 3 rd decade (p<0.05). RI and PI were significantly increased with the increasing age (p<0.05). MBFV of the female subjects were greater than the male subjects (p>0.05). There was no significant difference in the RI and PI between the male and female subjects.


Conclusion
We suggest that the transcranial doppler sonography can be used as one of the useful screening tools for the diagnosis of cerebrovascular diseases.

Key Words: Transcranial doppler sonography, Mean blood flow velocity, Resistance index, Pulsatility index


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