经颅多普勒超声在动脉瘤性蛛网膜下腔出血中的应用。

J D Miller, R R Smith
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引用次数: 0

摘要

颅内动脉瘤引起的蛛网膜下腔出血(SAH)后,与脑血管痉挛相关的缺血性缺陷仍然是显著的发病率和死亡率。手术决定和时机必须基于血管痉挛和其他出血期并发症的存在。经颅多普勒超声为评估SAH后颅内动脉状况提供了一种无创方法。该方法可以识别可能出现症状性血管痉挛的患者,勾勒出疾病的进展,并作为治疗的指导,具有良好的重复性。颅内树的解剖结构和疾病的特点造成了固有的错误。近端血管痉挛、远端血管痉挛、自我调节缺陷和远端梗死伴高灌注使流速方程更加混乱。然而,在经验丰富的人员中,该方法与所研究血管的血管造影图像相关性很好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Transcranial Doppler sonography in aneurysmal subarachnoid hemorrhage.

Following subarachnoid hemorrhage (SAH) from an intracranial aneurysm, ischemic deficits related to cerebral vasospasm still account for significant morbidity and mortality. Operative decisions and timing must be based on the presence of vasospasm and other complications of the hemorrhagic period. Transcranial Doppler sonography provides a noninvasive method for evaluating the status of the intracranial arteries following SAH. The method can, with good reproducibility, identify the patient likely to suffer symptomatic vasospasm, outline the progress of the disease, and serve as a guide to therapy. There are inherent errors produced by the anatomy of the intracranial tree and by peculiarities of the disease. Proximal vasospasm, distal vasospasm, defective autoregulation, and distal infarction with hyperperfusion add confusion to the velocity equation. In experienced hands, however, the method correlates well with the angiographic image of the vessels studied.

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