• Yasunori Fujimoto, Leonardo Balsalobre, Fábio P Santos, Eduardo Vellutini, and Aldo C Stamm.
• Department of Neurosurgery, Osaka Neurological Institute, Toyonaka, Osaka, Japan.
• Arq Neuropsiquiatr. 2015 Jul 1;73(7):611-5.

ObjectiveThe purpose of this study was to describe the endoscopic combined "transseptal/transnasal" approach with a pedicled nasoseptal flap for pituitary adenoma and skull base reconstruction, especially with respect to cerebrospinal fluid (CSF) fistula.MethodNinety-one consecutive patients with pituitary adenomas were retrospectively reviewed. All patients underwent the endoscopic combined "transseptal/transnasal" approach by the single team including the otorhinolaryngologists and neurosurgeons. Postoperative complications related to the flap were analyzed.ResultsIntra- and postoperative CSF fistulae were observed in 36 (40%) and 4 (4.4%) patients, respectively. Among the 4 patients, lumbar drainage and bed rest healed the CSF fistula in 3 patients and reoperation for revision was necessary in one patient. Other flap-related complications included nasal bleeding in 3 patients (3.3%).ConclusionThe endoscopic combined "transseptal/transnasal" approach is most suitable for a two-surgeon technique and a pedicled nasoseptal flap is a reliable technique for preventing postoperative CSF fistula in pituitary surgery.

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