Predictors of cerebral infarction in aneurysmal subarachnoid hemorrhage

Stroke; a Journal of Cerebral Circulation
Alejandro A RabinsteinE F Wijdicks

Abstract

Clinical and radiologic predictors of cerebral infarction occurrence and location after aneurysmal subarachnoid hemorrhage have been seldom studied. We evaluated all patients admitted to our hospital with aneurysmal subarachnoid hemorrhage between 1998 and 2000. Cerebral infarction was defined as a new hypodensity located in a vascular distribution on computed tomography (CT) scan. Fifty-seven of 143 patients (40%) developed a cerebral infarction. On univariate analysis, occurrence of cerebral infarction was associated with a worse World Federation of Neurological Surgeons grade (P=0.01), use of ventriculostomy catheter (P=0.01), preoperative vasospasm (P=0.03), surgical clipping (P=0.02), symptomatic vasospasm (P<0.01), and vasospasm on transcranial Doppler ultrasonography (TCD) or repeat angiogram (P<0.01). On multivariable analysis, only presence of symptoms ascribed to vasospasm (P<0.01) and evidence of vasospasm on TCD or angiogram predicted cerebral infarction (P<0.01). TCD and angiogram agreed on the diagnosis of vasospasm in 73% of cases (95% CI, 63% to 81%), but the diagnostic accuracy of this combination of tests was suboptimal for the prediction of cerebral infarction occurrence (sensitivity, 0.72; specificity, 0.68;...Continue Reading

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Citations

Oct 12, 2011·Current Neurology and Neuroscience Reports·Jennifer E Fugate, Alejandro A Rabinstein
Jan 29, 2005·Current Treatment Options in Neurology·Alejandro A Rabinstein, Eelco F M Wijdicks
Feb 15, 2007·Current Treatment Options in Neurology·Nils Mueller-Kronast, Babak S Jahromi
Jan 5, 2008·Current Treatment Options in Neurology·Sebastian Schulz-Stübner
May 19, 2009·Neurocritical Care·Stefan A DupontAlejandro A Rabinstein
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