Transnasal endoscopic repair of nonsurgical cerebrospinal fluid leaks: Experience at the University of Chile Clinical Hospital
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Keywords
Cerebrospinal fluid leak, endoscopic surgery, skull base
Abstract
Introduction: The cerebrospinal fluid leak (CSFL) not surgical is a pathology that needs surgical treatment in a high percentage of the cases, being the endoscopic repair a good alternative. Aim: Describe the experience of our hospital in the endoscopic repair of this pathology. Material and method: Retrospective descriptive study, 11 clinical cases are analyzed. There are described demographic antecedents, form of presentation, study, etiology, surgical technology, follow-up, rate of success and complications. Results: Eleven patients, 9 females, average age 44,5 years. Anterior skull base defect 8/11 and medial skull base 3/11. The size of the defect was less than 10 mm in all cases. The etiology was traumatic in 2/11, spontaneous 5/11 and congenital in 4/11, these 2 was Sternberg ductus. The graft was mucosa plus fat 6/11 and mucosa alone in 5/11. The overlay thecnique was 8/11 and underlay in 3 case. The graft was free on 9/11 and pedicle in 2 cases. Mean follow-up was 14 months. Success rate of close to 100% in the first surgery in all cases (11/11). There were no early or late complications. Conclusions: Endoscopic repair CSFL not surgical is a slightly aggressive, effective and low risk technique.
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