• Journal of neurosurgery · Sep 2013

    Review Case Reports

    Case-specific protocol to reduce cerebrospinal fluid leakage after endonasal endoscopic surgery.

    • Kunal S Patel, Ricardo J Komotar, Oszkar Szentirmai, Nelson Moussazadeh, Daniel M Raper, Robert M Starke, Vijay K Anand, and Theodore H Schwartz.
    • Departments of Neurosurgery, Weill Cornell Medical College, NewYork-Presbyterian Hospital, New York, New York 10065, USA.
    • J. Neurosurg.. 2013 Sep 1;119(3):661-8.

    ObjectEndoscopic transsphenoidal surgery is expanding in acceptance, yet postoperative CSF leak rates remain a concern. This study presents the Cornell closure protocol, which has yielded significantly lower postoperative CSF leak rates compared with prior reports, as an algorithm that can be used by centers having difficulty with CSF leak.MethodsA single closure algorithm for endoscopic surgery has been used since January 2010 at Weill Cornell Medical College. A prospective database noting intraoperative CSF leak, closure technique, and postoperative CSF leak was reviewed. The authors used a MEDLINE search to identify similar studies and compared CSF leak rates to those of patients treated using the Cornell algorithm.ResultsThe retrospective study of a prospectively acquired database included 209 consecutive patients. In 84 patients (40%) there was no intraoperative CSF leak and no postoperative CSF leak. In the 125 patients (60%) with an intraoperative CSF leak, 35 of them with high-flow leaks, there were 0 (0%) postoperative CSF leaks.ConclusionsIt is possible to achieve a CSF leak rate of 0% by using this closure protocol. With proper experience, endoscopic skull base surgery should not be considered to have a higher CSF leak rate than open transcranial or microscopic transsphenoidal surgery.

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