• J K Song, J P Elliott, and J M Eskridge.
• Department of Radiology, University of Washington, Seattle, Washington 98195, USA.
• Neuroimaging Clin. N. Am. 1997 Nov 1; 7 (4): 819-35.

AbstractFor survivors of aneurysmal subarachnoid hemorrhage, cerebral vasospasm significantly contributes to its morbidity and mortality by causing delayed ischemic neurological deficit. Noninvasive evaluation with computed tomography, transcranial doppler and single photon emission computerized tomography helps guide clinical decisions. Endovascular therapy of symptomatic vasospasm with balloon angioplasty and to a lesser extent with intraarterial papaverine infusion has emerged as an important treatment adjunct to neurosurgical medical and operative management. Early and aggressive treatment with balloon angioplasty has resulted in sustained clinical improvement in about two-thirds of patients suffering from neurological deficits attributable to vasospasm. Encouraging long-term clinical and transcranial artery damage following angioplasty. Despite balloon angioplasty's 2% to 5% peri-procedure mortality rate, it remains under used.

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