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Journal of Korean Neurosurgical Society > Volume 19(4); 1990 > Article
Journal of Korean Neurosurgical Society 1990;19(4): 523-529.
Relationship between SSEP and Vasospasm in SAH Patients.
Gi Hoon Yeom, Young Jin Lim, Tae Sung Kim, Gook Ki Kim, Bong Arm Rhee, Won Leem
Department of Neurosurgery, College of Medicine, Kyung Hee University, Seoul, Korea.
ABSTRACT
Cerebral vasospasm is one of most serious complication after subarachnoid hemorrhage due to aneurysmal rupture and a very important cause affecting to prognosis. The most reliable diagnostic assessment of cerebral vasospasm is angiography, but this is limited to perform because of complications such as neurological deficits or death, especially to repeat studdy. It seems likely that assessment of evoked elective, a much simpler and safer than the repeated study of angiography, will be of use in following the condition of patients with clinical vasospasm following SAH. In order to study relationship between clinical vasospasm and electrical activity, we traced SSEP from upper extremity by median nerve stimulation and lower extremity by posterior tibial stimulation which manifest the neurophysiologic function of cerebral ischemia. MN(Me-dian n.) and PTN(Posterior tibial n.)were performed simultaneously. Over 2 years period (1986 through 1988), 41 patients were performed SSEP and evaluated the relationship between SSEP and clinical or angiographic vasospasm in patients of SAH.
Key Words: SAH; Cerebral vasospasm; SSEP
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