Abstract

Abstract Postoperative cerebrospinal fluid (CSF) leak is a serious complication after surgical treatment of craniopharyngioma. The objective of this study is to analyze postoperative CSF leak rates following transsphenoidal resection of craniopharyngioma in adult versus pediatric patient populations. PRISMA guidelines were used to query the Pubmed, Web of Science, and Cochrane databases for studies of craniopharyngioma resection in adult or pediatric patients from the past three decades. The following search terms, ("craniopharyngioma") AND ("cerebrospinal fluid" OR "CSF") AND ("leak" OR "rhinorrhea") AND ("resection" OR "surgery") AND ("transsphenoidal" OR "endonasal"), were used. The primary outcome variable collected was presence of postoperative CSF leak. Pooled analyses were performed to determine the rates of CSF leak in adult and pediatric cases. In addition, a meta-analysis was performed to compare the rates of CSF leak in the adult versus pediatric cohort. Of the 21 included studies, 8 studies reported adult cases, 9 studies reported pediatric cases, and 4 studies reported both adult and pediatric cases, for a total of 468 cases. The majority of studies were level 4 evidence (90.5%, 19/21), while two studies were level 3 evidence (9.5%, 2/21). Analysis of postoperative CSF leak in adult and pediatric cases revealed rates of 29% (95% CI: 21%-39%) and 13% (95% CI: 9%-19%), respectively. Using a random-effects meta-analysis model, we found that there was no significant difference between the two cohorts (RR: 1.56; 95% CI = 0.52-4.71; P = 0.43). The present study is the first to analyze postoperative CSF leak rates in adult and pediatric patients undergoing transsphenoidal resection of craniopharyngiomas. While we found that there is no significant difference in CSF leak rates between adult and pediatric patients, further studies of higher methodological quality are warranted to provide a better understanding of complication profiles following resection of adult and pediatric craniopharyngiomas.

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