El tratamiento de la hidrocefalia infantil, son las derivaciones ventriculoperitoneales, pero no existe todavía una válvula ideal. Se presentan 78 casos de niños tratados con la derivación Orbis-Sigma, cuyo fundamento es controlar el flujo de 1. c. r. y evitar las complicaciones de hiperdrenaje producidas en las válvulas de presión diferencial.
Surgical treatment of hydrocephalus has already been well established with ventriculoperitoneal shunts, but we are still looking for a more physiologic valve. We report our experience in 78 children treated with a variable resistence valve (Orbis Sigma) shunt system that avoids the complications produced by differential pressure valves.
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