Abstract
The pedicled nasoseptal mucoperiosteal flap is currently widely used for the reconstruction of a skull base defect following transsphenoidal surgery. The flap is generally secured in position by a Foley catheter balloon. We describe an alternative technique using cylinders of Gelfoam™ (Pfizer Incorporated) to buttress the flap in place, obviating the need for a balloon catheter. A review of our database identified patients who underwent endoscopic transsphenoidal surgery for a pituitary macroadenoma with nasoseptal flap, secured with small rolls of Gelfoam™ (Pfizer Incorporated) rather than a nasal Foley catheter. Minimum follow-up clinical and MRI assessments: 3months. 73 patients (mean follow-up: 22months) met the inclusion criteria: 56 non-functioning and 17 functioning pituitary adenomas. 36 patients had an intraoperative CSF leak: 30 high flow and 6 low flow leaks. The surgical repair in 35 patients included fat +/- fascia graft. One patient had a post-operative CSF leak repaired by subsequent surgery without the use of a Foley catheter. Securing the nasoseptal flap using rolls of Gelfoam™ (Pfizer Incorporated) as described can be achieved without the use of a nasal Foley catheter.
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