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 ORIGINAL ARTICLE
Year : 2010  |  Volume : 58  |  Issue : 3  |  Page : 407--411

Xe-CT and transcranial doppler in symptomatic vasospasm subarachnoid hemorrhage patients under euvolemic treatment without sedation


Department of Neurosurgery, Capital Medical University, Xuanwu Hospital, 45 Changchun Street, Beijing - 100 053, China

Correspondence Address:
Feng Ling
Department of Neurosurgery, Capital Medical University, Xuanwu Hospital, 45 Changchun Street, Beijing -100 053
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.66110

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Background : Delayed cerebral ischemia from cerebral arterial vasospasm following aneurysmal subarachnoid hemorrhage (aSAH) is associated with significant morbidity and mortality. Early recognition of the cerebral arterial vasospasm and institution of appropriate treatment can reduce the consequences. Aim : We investigated the association of transcranial Doppler (TCD) and Xe-CT with the characteristics of symptomatic vasospasm secondary to aneurysmal subarachnoid hemorrhage (SAH) in patients who underwent euvolemic treatment without sedation. Materials and Methods : Data collected prospectively in patients with aSAH admitted to a neurocritical care unit in a regional hospital were retrospectively analyzed. Out of the 98 consecutive patients with aSAH, 30 patients underwent paired Xe-CT (not sedated) and TCD studies. Correlation between cortical cerebral blood flow (CBF) and mean blood flow velocity in middle cerebral artery (MCA) territories was analyzed. The lowest cortical regional CBF and MCA velocity were compared between patients with and without symptomatic vasospasm. Results : Symptomatic vasospasm occurred in 12 patients. No correlation was found between CBF and mean blood flow velocity of the MCA territory. The differences between MCA velocity and lowest cortical CBF in patients with symptomatic vasospasm were significantly different from patients without symptoms. Conclusion : TCD does not help to predict regional CBF in the MCA territory in patients with aSAH on euvolemic treatment.






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