• Ishwar Singh, Mohammad Haris, Mazhar Husain, Nuzhat Husain, Manu Rastogi, and Rakesh K Gupta.
• Department of Neurosurgery, King George's Medical University, Lucknow, UP, India.
• Neurosurg Rev. 2008 Jul 1; 31 (3): 319-25.

AbstractPost-tubercular meningitic hydrocephalus (TBMH) and post-traumatic hydrocephalus (PTH) is often considered a contraindication for endoscopic third ventriculostomy (ETV), as it is mostly of communicating type in these cases. The aim of the present study was to define the role of ETV in patients with communicating hydrocephalus. Ten consecutive patients of TBMH, PTH and postneurocysticercus (NCC) hydrocephalus were formed the study group. Diagnosis of communicating hydrocephalus was made using magnetic resonance ventriculography (MRV). If contrast was seen coming out from the ventricular system into the basal cisterns, it was considered as communicating hydrocephalus. Patients with clinical and imaging evidence of raised intracranial pressure and failed medical treatment were taken up for ETV. All patients were studied by preoperative and postoperative MRV. Success of the procedure was assessed by the improvement in clinical and imaging parameters on postprocedure follow-up in all these cases. Technically successful ETV was performed in all 10 patients. Overall success rate of ETV in communicating hydrocephalus was 70% (n = 7). The shunt surgery was performed in the remaining three patients with ETV failure. One patient developed complication following postoperative MRV and was managed conservatively. We conclude that ETV is effective in post-TBM, post-traumatic communicating and post-NCC communicating hydrocephalus and should be considered as initial surgical option for cerebrospinal fluid diversion in these patients. MRV is a relatively safe technique to ascertain the patency of subarachnoid space as well as ETV stoma.

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