High-frequency Doppler ultrasound examination of blood flow in the anterior segment of the eye

被引：14

作者：

Pavlin, CJ

Christopher, DA

Burns, PN

Foster, FS

机构：

[1] Univ Toronto, Princess Margaret Hosp, Ontario Canc Inst, Dept Ophthalmol,Ocular Oncol Serv, Toronto, ON M5G 2N9, Canada

[2] Sunnybrook Hlth Sci Ctr, Dept Med Biophys, Toronto, ON M4N 3M5, Canada

来源：

AMERICAN JOURNAL OF OPHTHALMOLOGY | 1998年 / 126卷 / 04期

关键词：

D O I：

10.1016/S0002-9394(98)00122-6

中图分类号：

R77 [眼科学];

学科分类号：

100212 ;

摘要：

PURPOSE: To show that extending Doppler imaging into the high frequency domain could allow detection and characterization of blood flow in small arterioles and capillaries. METHODS: A 40-MHz continuous wave Doppler system and a 60-MHz pulsed-wave Doppler system were constructed, tested, and used to examine the ciliary body region in two normal volunteers. RESULTS: Ciliary body circulation in the region of the great circle of the iris, which is undetectable by conventional 7.5-MHz duplex Doppler, was consistently and reproducibly detectable by high-frequency (40 MHz and 60 MHz) Doppler systems. CONCLUSION: High-frequency Doppler imaging may provide a unique new tool for the characterization and assessment of anterior segment ocular blood flow. (Am J Ophthalmol 1998;126: 597-600, (C) 1998 by Elsevier Science Inc. All rights reserved.).

引用

页码：597 / 600

页数：4

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