Inferior short-term safety profile of endoscopic third ventriculostomy compared with ventriculoperitoneal shunt placement for idiopathic normal-pressure hydrocephalus: a population-based study.

Background: In small series, endoscopic third ventriculostomy (ETV) has been shown to potentially have efficacy similar to that of ventriculoperitoneal shunting (VPS) for idiopathic normal-pressure hydrocephalus (iNPH). Therefore, some clinicians have advocated for ETV to avoid the potential long-term complications associated with VPS. Complication rates for these procedures vary widely based on limited small series data.