Application of color Doppler ultrasonography in treating ischemic optic neuropathy with extraocular counterpulsation

VernacularTitle:彩色多普勒超声在球外反搏治疗缺血性视神经病变中的应用
Author: Lan, LUO ; Bing, HU
Publication Type:Journal Article
Keywords: Color Doppler ultrasonography; Ischemic optic neuropathy; Hemodynamics
From: Chinese Journal of Medical Ultrasound (Electronic Edition) 2008;5(2):261-266
CountryChina
Language:Chinese
Abstract: Objective To evaluate the influence of extraocular counterpulsation on ocular fundus blood vessels using high-frequency color Doppler ultrasonography. Methods Twenty-one patients with ischemic optic neuropathy were treated with extraocular counterpulsation. During treatment, the Doppler spectra were detected with high-frequency color Doppler ultrasonography. The peak systolic velocity (PSV), end diastolic velocity (EDV) and resistance retinal index (RI) of central retinal artery and posterior ciliary artery were measured instantly before treatment and 1 min,5 min and 15 min after treatment. Results The instant PSV and EDV of central retinal artery and posterior ciliary artery were significantly increased (P＜0.05) after treatment, then decreased gradually. Fifteen min after treatment ,they returned to the level before treatment. Conclusions We can observe the changes of ocular fundus blood vessels noninvasively on high-frequency color Doppler ultrasonography. The method may be regarded as one of the basis for evaluating the effect of extraocular counterpulsation.