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Journal of Korean Neurosurgical Society 2004;35(1): 81-87.
Significance of an Early Clinical Course during the External Ventricular Drainage in Thalamic Hemorrhage.
Ra Sun Kim, Hack Gun Bae, Seok Mann Yoon, Jae Won Doh, Kyeong Seok Lee, Il Gyu Yun
Department of Neurosurgery, Soonchunhyang University Chonan Hospital, Cheonan, Korea. hgbaeb@schch.co.kr
The purpose of this study is to investigate the significance of an early clinical course during the external ventricular drainage(EVD) in patients with thal amic hemorrhage. METHODS: During the last 11 years(1990-2000), a hundred patients with thalamic hemorrhage who underwent EVD were studied. Thirty-four patients underwent temporary closing of EVD at the mean interval of 4.5 days after EVD. The clinical course was divided into 3 groups according to change of Glasgow Coma Scale(GCS) scores of 2 or more within 3 days after EVD compared with those just before EVD: deteriorated, unchanged, and improved. RESULTS: The factors affecting mortality were unchanged(odds ratio [OR] 0.05, 95% confidence interval [CI]0.01-0.38, p=0.0028) and deteriorated clinical course(OR 0.06, 95% CI 0.01-0.38, p=0.0033), GCS scores at the time of admission(OR 1.3, 95% CI 1.02-1.66, p=0.0346), amount of hematoma(OR 0.91, 95% CI 0.83-1.00, p=0.0461) and hematoma enlargement(OR 0.06, 95% CI 0.01-0.65, p=0.0198). The factor affecting the early clinical deterioration was the hematoma enlargement(OR 0.11, 95% CI 0.03-0.38, p=0.0005). The shunt operation was predicted in patients who showed the clinical improvement after EVD followed by the clinical deterioration within 48 hours after temporary closing of EVD. CONCLUSION: It is suggested that an early clinical course during the maintenance of EVD is important to predict mortality and necessity of shunt operation.
Key Words: Thalamic hemorrhage; External ventricular drainage; Hematoma enlargement; Shunt
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