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Journal of Korean Neurosurgical Society 2003;34(3): 224-229.
Outcome of Endoscopic Third Ventriculostomy.
Bo Ra Seo, Jae Hyoo Kim, Shin Jung, Sam Suk Kang, Je Hyuk Lee
Department of Neurosurgery, Chonnam National University Hospital & Medical School, Gwangju, Korea. cd1379@lycos.co.kr
The authors review 17 cases of obstructive hydrocephalus treated with endoscopic third ventriculostomy to elucidate the adequate age, indication, surgical technique and radiologic criteria. METHODS: From March 1998 to August 2002, 17 endoscopic third ventriculostomies were performed(11 male and 6 female patients). The operation records and neuroimaging studies of the patients were reviewed retrospectively. RESULTS: The age of the patients ranged from 2 months to 70 years(mean age 21 years). Hydrocephalus was caused by aqueductal stenosis in 8 patients, tumor in 8(pineal mass: 5, cystic mass in third ventricle: 2 cerebellar mass: 1), cavernous angioma in 1. The overall success rate was 64.7%(11/17). In the present study, the preoperative increased intracranial pressure symptom was a reliable indicator of surgical outcome. The lateral ventricular size and the III ventricle width reduction, the presence of a signal void on the third ventricle floor appeared to correlate with clinical success. But the cystic mass in the third ventricle was less likely to benefit. Complications were bleeding in 3, infections in 2 and transient III and VI nerve palsy in one case, but there was no permanent morbidity or mortality. CONCLUSION: Endoscopic third ventriculostomy is a safe, simple, effective alternative treatment option of obstructive hydrocephalus in appropriate patient selection.
Key Words: Endoscopic third ventriculostomy; Obstructive hydrocephalus
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