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Evaluation of the application of rhino-septal splints in endoscopic transsphenoidal skull base surgery.

The endoscopic transnasal route for the surgical removal of tumors in the sellar region is frequently associated with nasal complications such as synechiae or impaired nasal breathing. In this study, we investigated the impact of septal splints on avoiding surgery-related co-morbidities. 49 patients in whom endoscopic transnasal, transsphenoidal surgery for sellar tumors was performed between 2012 and 2014 were studied. In 30 of these, nasal septal splints were applied at the end of surgery to both sides of the septum and left in situ for 10 days (group 1), 19 patients received no splints (group 2). A standardized postsurgical follow-up investigation with endoscopic nasal examination, rhinomanometry and olfactory testing was performed on average 2 months postoperatively. Patients' subjective nose-related discomfort at follow-up was assessed descriptively using a set of standardized self-rating statements on nasal problems. Synechias occurred less likely with nasal septal splints (n = 15; 50 %) than without (n = 16; 84.2 %). Moreover, multiple synechiae were predominantly observed in the group without septal splints (n = 10 vs. n = 2). Rhinomanometry showed improved flow-V150-inspiration scores when splints were used (with significant differences between groups for the left nostril: p = 0.039 and p = 0.022, resp.). In accordance, impaired nasal breathing after surgery was reported more frequently by 76.9 % of patients without splints, but only 56 % of patients with splints. Our results provide support for the application of nasal septal splints when operating endoscopically on tumors in the sellar region to reduce postoperative synechias and to improve nasal breathing.

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