乳幼児水頭症のシャント術後の脳室の形態と知能予後との関係
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概要
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The author studied the ventricular configurations after shunt operation on 60 cases of infantile hydrocephalus followed for more than two years using computed tomography (CT). Follow-up periods ranged from two years to 14 years and six months. The cases consisted of 24 cases of congenital hydrocephalus (19 of which were followed up for more than five years), 10 cases associated with meningocele (7 cases followed more than five years), 4 with malformation (3 cases), 9 cases after bleeding (3 cases), and 13 cases after meningitis (7 cases). Excluding those cases accompanying apparent encephalodysplasia, 39 cases were followed for more than 5 years and the relationship between their intelligence and ventricular configuration on CT was investigated. They were classified into four categories of intelligence based on school performance and conditions of daily life, and into six types of ventricular configulations on CT: I) slit like ventricle; II) normal; III) slightly dilated; IV) extremely dilated; V) irregular shape; and VI) accompanying cerebral atrophy. The ventricular configulation after operation correlated with the intelligence. Casies with excellent or good intelligence were found in CT Types I, II, and III. Cases of congenital hydrocephalus operated in infancy often showed slit-like ventricle and excellent or good intelligence. There was no discrepancy between verbal IQ and performance IQ of WISC in the excellent intelligence group. Ventricular configurations became stable almost within one year after operation.
- 日本脳神経外科学会の論文
- 1982-10-15