Central diabetes insipidus: a complication of ventriculoperitoneal shunt malfunction during pregnancy.

During pregnancy ventriculoperitoneal shunts have reported complication rates of 30% to 60%. In this case a functionally occluded shunt resulted in prolonged increased intracranial pressure, pituitary stalk damage, and permanent central diabetes insipidus. This complication of ventriculoperitoneal shunt occlusion during pregnancy has not been previously reported.