{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,25]],"date-time":"2026-07-25T19:15:29Z","timestamp":1785006929178,"version":"3.55.0"},"reference-count":22,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1999,3]]},"abstract":"<jats:p content-type=\"fine-print\"><jats:italic>Object.<\/jats:italic> The goal of this study was to analyze the types of failure and long-term efficacy of third ventriculostomy in children.<\/jats:p><jats:p content-type=\"fine-print\"><jats:italic>Methods.<\/jats:italic> The authors retrospectively analyzed clinical data obtained in 213 children affected by obstructive triventricular hydrocephalus who were treated by third ventriculostomy between 1973 and 1997. There were 120 boys and 93 girls. The causes of the hydrocephalus included: aqueductal stenosis in 126 cases; toxoplasmosis in 23 cases, pineal, mesencephalic, or tectal tumor in 42 cases; and other causes in 22 cases. In 94 cases, the procedure was performed using ventriculographic guidance (Group I) and in 119 cases by using endoscopic guidance (Group II). In 19 cases (12 in Group I and seven in Group II) failure was related to the surgical technique. Three deaths related to the technique were observed in Group I. For the remaining patients, Kaplan\u2014Meier survival analysis showed a functioning third ventriculostomy rate of 72% at 6 years with a mean follow-up period of 45.5 months (range 4 days\u201317 years). No significant differences were found during long-term follow up between the two groups. In Group I, a significantly higher failure rate was seen in children younger than 6 months of age, but this difference was not observed in Group II. Thirty-eight patients required reoperation (21 in Group I and 17 in Group II) because of persistent or recurrent intracranial hypertension. In 29 patients shunt placement was necessary. In nine patients in whom there was radiologically confirmed obstruction of the stoma, the third ventriculostomy was repeated; this was successful in seven cases. Cine phase-contrast (PC) magnetic resonance (MR) imaging studies were performed in 15 patients in Group I at least 10 years after they had undergone third ventriculostomy (range 10\u201317 years, median 14.3 years); this confirmed long-term patency of the stoma in all cases.<\/jats:p><jats:p content-type=\"fine-print\"><jats:italic>Conclusions.<\/jats:italic> Third ventriculostomy effectively controls obstructive triventricular hydrocephalus in more than 70% of children and should be preferred to placement of extracranial cerebrospinal shunts in this group of patients. When performed using ventriculographic guidance, the technique has a higher mortality rate and a higher failure rate in children younger than 6 months of age and is, therefore, no longer preferred. When third ventriculostomy is performed using endoscopic guidance, the same long-term results are achieved in children younger than 6 months of age as in older children and, thus, patient age should no longer be considered as a contraindication to using the technique. Delayed failures are usually secondary to obstruction of the stoma and often can be managed by repeating the procedure. Midline sagittal T<jats:sub>2<\/jats:sub>-weighted MR imaging sequences combined with cine PC MR imaging flow measurements provide a reliable tool for diagnosis of aqueductal stenosis and for ascertaining the patency of the stoma during follow-up evaluation.<\/jats:p>","DOI":"10.3171\/jns.1999.90.3.0448","type":"journal-article","created":{"date-parts":[[2009,5,13]],"date-time":"2009-05-13T17:21:37Z","timestamp":1242235297000},"page":"448-454","source":"Crossref","is-referenced-by-count":221,"title":["Failure of third ventriculostomy in the treatment of aqueductal stenosis in children"],"prefix":"10.3171","volume":"90","author":[{"given":"Giuseppe","family":"Cinalli","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christian","family":"Sainte-Rose","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul","family":"Chumas","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michel","family":"Zerah","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francis","family":"Brunelle","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guillaume","family":"LOT","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alain","family":"Pierre-Kahn","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dominique","family":"Renier","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"key":"b1","series-title":"J Neurosurg","doi-asserted-by":"publisher","first-page":"227","DOI":"10.3171\/jns.1999.90.2.0227","article-title":"Sylvian aqueduct syndrome and global rostral midbrain dysfunction associated with shunt malfunction.","volume":"90","author":"Cinalli","year":"1999"},{"key":"b2","series-title":"Pediatr Neurosurg","doi-asserted-by":"publisher","first-page":"14","DOI":"10.1159\/000120930","article-title":"Model for the cost analysis of shunted hydrocephalic children.","volume":"23","author":"Cochrane","year":"1995"},{"key":"b3","series-title":"Tech Neurosurg","first-page":"44","article-title":"Illustrative case.","volume":"1","author":"Cohen","year":"1995"},{"key":"b4","series-title":"Bull Johns Hopkins Hosp","first-page":"189","article-title":"An operative procedure for hydrocephalus.","volume":"33","author":"Dandy","year":"1922"},{"key":"b5","series-title":"Neurosurg Clin North Am","doi-asserted-by":"publisher","first-page":"657","DOI":"10.1016\/S1042-3680(18)30557-6","article-title":"Ventriculostomy for treatment of hydrocephalus.","volume":"4","author":"Drake","year":"1993"},{"key":"b6","series-title":"Pediatr Neurosurg","doi-asserted-by":"publisher","first-page":"149","DOI":"10.1159\/000121242","article-title":"Treatment of hydrocephalus with third ventriculocisternostomy: outcome and CSF flow patterns.","volume":"27","author":"Goumnerova","year":"1997"},{"key":"b7","series-title":"Acta Neurochir","first-page":"275","article-title":"Ventriculo-cisternostomy for stenosis of the aqueduct of Sylvius. 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