
Keywords: ETV، ventriculostomy سوم آندوسکوپی; Endoscopic third ventriculostomy; Hydrocephalus; Long-term outcomes; ShuntCSF, Cerebrospinal fluid; ETV, Endoscopic third ventriculostomy; LOVA, Long-standing overt ventriculomegaly in adults; NPH, normal-pressure hydrocephalus