• Eugene H Wong, Anmar Al-Witri, Jessica Chong, Sebastian J Brown, Mark A J Dexter, and Narinder Singh.
• Department of Otolaryngology, Head and Neck Surgery, Westmead Hospital, University of Sydney, Australia. Electronic address: eugene.hl.wong@gmail.com.
• J Clin Neurosci. 2019 Jun 1; 64: 94-97.

AbstractSeveral authors have reported advantages of the purely endoscopic (PE) approach over traditional purely microscopic (PM) techniques for many sinus and anterior skull base procedures. However, in pituitary surgery, the PE approach carries a number of limitations. Experienced microscopically-trained neurosurgeons are required to master the endoscopic technique which has a steep learning curve due to its one-handed nature and optically-distorted 2-dimensional view. We describe our novel technique, the sequential endoscopic and microscopic pituitary procedure (SEMPP) which does not require microscopically-trained neurosurgeons to alter their technique. We compare SEMPP with the PE approach in terms of outcome and safety. Retrospective chart review of consecutive SEMPP cases performed at our institution between January 2010 and December 2013 was conducted. Operative time, gross total resection rate, resolution of endocrine and visual dysfunction, hospital length of stay, cerebrospinal fluid (CSF) leak rate and revision rates were recorded. 32 patients were identified (50% female, mean age 53.0 years), and 33 SEMPP cases. Mean operating time was 132 min (range 90-200). 69% of patients experienced gross total resection. Most patients (81.3%) with preoperative visual deficit either experienced complete resolution or improved symptoms. The remainder experienced no change in vision. 12.5% (n = 4) of patients experienced intraoperative CSF leaks. All were repaired intraoperatively or with conservative management. Two patients (6.3%) experienced epistaxis managed with conservative measures. The SEMPP technique demonstrates comparable outcomes, complication rates and operative time to PE and PM techniques described in the literature.Copyright © 2019 Elsevier Ltd. All rights reserved.

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