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This study is an analysis of 70 children, five months to eleven years of age, with hydrocephalus secondary to tuberculous meningitis. They presented as an acute illness, mostly in early childhood, with disturbance of consciousness, convulsions, rigidity and, sometimes, neurological deficit. CT scans showed ventricular dilatation, periventricular translucency and exudates in basal cisterns. Shunt surgery performed early produced gratifying results without dissemination of tuberculosis. Residual ventricular dilatation following shunt surgery was inversely related to intellectual status. Even with advanced degrees of tuberculous meningitis, thirteen of the twenty-eight children tested for intellectual status were found to be educable or having near normal intelligence. Fatal intraventricular haemorrhages were seen in six cases as a late complication.
Hydrocephalus means watery head and defined as disturbance of formation, flow, or absorption of cerebrospinal fluid. The clinical presentation of hydrocephalus includes hearing loss especially sensorineural hearing loss (SNHL). Ventriculoperitoneal (VP) shunting is the most commonly performed procedure in these patients. Pure tone audiogram, impedence and BAEPs, were done for preoperative hearing assessment in 20 hydrocephalus patients. Out of 20 patients, 12 cases (60%) had SNHL while, rest 8 (40%) patients had mixed hearing loss. Post VP shunting hearing improvement was observed in 14 patients (70%) whereas it worsened in 30% of patients. The result is even better if shunt is placed at early age.
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