Relationship of pulsatility and resistance indices to cerebral arteriovenous malformation angioarchitectural features and hemorrhage
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- 作者：Sophia F. Shakur ; Sepideh Amin-Hanjani ; Hassan Mostafa ; Victor A. Aletich ; Fady T. Charbel ; Ali Alaraj ; alaraj@uic.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Cerebral arteriovenous malformation ; Cerebral hemodynamics ; Hemorrhage ; Magnetic resonance angiography ; Pulsatility index ; Resistance index
- 刊名：Journal of Clinical Neuroscience
- 出版年：2016
- 出版时间：November 2016
- 年：2016
- 卷：33
- 期：Complete
- 页码：119-123
- 全文大小：521 K
文摘
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Pulsatility (PI) and resistance (RI) indices can be measured using quantitative magnetic resonance angiography.
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PI and RI are lower in cerebral arteriovenous malformation (AVM) arterial feeders compared to normal vessels.
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We found no significant correlation between PI, RI, and AVM angioarchitectural characteristics thought to be associated with increased hemorrhage risk.