Neurosonology:神経超音波医学
Print ISSN : 0917-074X
ISSN-L : 0917-074X
経頭蓋カラードプラ法の脳動脈瘤破裂後脳血管攣縮評価における有用性
竹島 靖浩川口 正一郎田村 健太郎榊 寿右斉藤 こずえ上野 聡
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2007 年 20 巻 1 号 p. 16-20

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Objective: To assess the usefulness of transcranial color flow imaging(TCCFI) for vasospasm, we evaluated the flow velocities in the middle cerebral artery (MCA) and anterior cerebral artery (ACA) using TCCFI in patients with subarachnoid hemorrhage (SAH) due to aneurysmal rupture. Methods: Clinical results were obtained in 14 consecutive patients who suffered SAH due to aneurysmal rupture and underwent neurosurgical procedures between December 2004 and September 2005. Using TCCFI, the MCA and ACA were detected and their peak systolic flow velocities (Vs) were determined on days 3,7 and 14. Results: Almost all of the 14 patients had a good outcome (GR 11 cases, MD 2 cases, SD 1 case, dead 0 case). There was no significant increase of M1 and A1 Vs with time. Symptomatic vasospasm was observed in 3 patients, all of whom were elderly, deteriorated after day 8, and in whom a rise in M2 Vs preceded the symptoms. Conclusion: TCCFI appears to be useful for evaluation of vasospasm, especially in the M2 segment.

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© 2007 日本脳神経超音波学会
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