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Doppler flowmetry of carotid and intraorbital ophthalmic arteries Takemitsu Hashimoto 1 , Mariko Hashimoto 1 , Sadanao Tane 1 1Dept of Ophthalmol, St. Marianna Univ Sch of Med pp.1773-1777
Published Date 1990/10/15
DOI https://doi.org/10.11477/mf.1410908274
  • Abstract
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We used color pulse doppler method to quantitate the velocity and volume of blood flow in the carotid and intraorbital ophthalmic arteries. In 46 eyes of 23 normal subjects aged 20 to 79 years, flow rate in the carotid artery was more rapid in younger sub-jects and decreased with advance of age. In the younger group, the flow rate showed a sharp peak during the initial half of systole. In more aged group, blood flow was maintained during the entire systole. These findings seemed to reflect the in-creased peripheral vascular resistance withadvance of age. In 42 eyes of 21 patients withsystemic hypertension, cerebral infarction, internal carotid obstruction or hyperthyroidism, there was decrease of blood flow in the affected carotid or ophthalmic artery, particularly in those with intra-cranial vascular lesions. Our color pulse Doppler flowmetry enabled, by utilizing B-mode flow image, an accurate quantitation of hemodynamics in the peripheral circulation in the intraorbital ophthlamic artery and short posterior ciliary arteries.


Copyright © 1990, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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