The TCD hyperemia index to detect vasospasm and delayed cerebral ischemia in aneurysmal subarachnoid hemorrhage.

Yongwoo Kim,Amit Mehta, Reshmi Nair,Daniel R Felbaum,Jeffrey C Mai,Rocco A Armonda,Jason J Chang

Journal of neuroimaging : official journal of the American Society of Neuroimaging（2023）

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摘要

Lower HI was associated with a higher likelihood of vasospasm and DCI. HI <1.2 may serve as a useful TCD parameter to indicate vasospasm and DCI when elevated MFV is observed, or when transtemporal windows are inadequate.

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关键词

cerebral ischemia,tcd hyperemia index,vasospasm

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