脑死亡病例的眼眶多普勒超声检查结果
Orbital Doppler sonography findings in cases of brain death.
作者信息
Karaali K, Cevikol C, Senol U, Arici G, Kabaalioğlu A, Ramazanoğlu A, Bircan O
机构信息
Department of Radiology, Akdeniz University Faculty of Medicine, Antalya, Turkey.
出版信息
AJNR Am J Neuroradiol. 2000 May;21(5):945-7.
Abstract
In this study, we investigated the blood flow velocity changes in orbital arteries by using Doppler sonography in eight patients with brain death. Peak-systolic and end-diastolic velocities and resistive indices of the ophthalmic and central retinal arteries were evaluated. We observed the absence or reversal of end-diastolic blood flow in these arteries. To our knowledge, this finding has not been previously reported to be associated with brain death.
摘要
在本研究中，我们使用多普勒超声检查法对8例脑死亡患者的眼眶动脉血流速度变化进行了研究。评估了眼动脉和视网膜中央动脉的收缩期峰值速度、舒张末期速度及阻力指数。我们观察到这些动脉舒张末期血流缺失或反向。据我们所知，这一发现此前尚未被报道与脑死亡相关。
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