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- W2361210040 abstract "Objective To investigate the effect of vasospasm on cerebral perfusion and the relationship of vasospasm with DCI by CTP.Methods Fivty-six consecutive SAH patients were studied with CT angiography(CTA) and CT perfusion(CTP) on admission and within 14 days after admission or at time of clinical deterioration.CTP values(cerebral blood volume,CBV) cerebral blood flow(CBF) and mean transit time(MTT),degree of vasospasm on CTA,and occurrence of DCI were recorded.The correspondence of the flow territory of the most spastic vessel with the least perfused region was evaluated,and differences in perfusion values and occurrence of DCI between degrees of vasospasm were calculated.Results Twenty-one patients had no vasospasm,24 were moderate,and 11 were severe.In 65% of patients with spasm,the flow territory of the most spastic vessel corresponded with the least perfused region.Six of eleven patients with severe,nine of twenty four with moderate,and four of twenty one patients with no vasospasm had DCI.Conclusion Vasospasm decreases cerebral perfusion,but corresponds with the least perfused region in only two thirds of our patients.Furthermore,almost half of patients with severe vasospasm do not have DCI.Thus,although severe vasospasm can decrease perfusion,it may not result in DCI." @default.
- W2361210040 created "2016-06-24" @default.
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- W2361210040 date "2011-01-01" @default.
- W2361210040 modified "2023-09-23" @default.
- W2361210040 title "Relationship between vasospasm,and delayed cerebral ischemia after aneurismal subarachnoid hemorrhage by cerebral CT perfusion" @default.
- W2361210040 hasPublicationYear "2011" @default.
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