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  • Title: The efficacy of computer assisted surgery in the endoscopic management of cerebrospinal fluid rhinorrhea.
    Author: Tabaee A, Kassenoff TL, Kacker A, Anand VK.
    Journal: Otolaryngol Head Neck Surg; 2005 Dec; 133(6):936-43. PubMed ID: 16360517.
    Abstract:
    OBJECTIVE: To determine the outcome of endoscopic repair of cerebrospinal fluid (CSF) rhinorrhea with and without computer assisted surgery. STUDY DESIGN: A review of all patients undergoing endoscopic closure of CSF rhinorrhea at a tertiary care medical center between 1994 and 2003. Charts from the 24 patients were reviewed for indications, location of leak, type of surgical closure, number of prior closure attempts, graft materials, use of computer assisted surgery, complications, and need for revision surgery. Analysis was performed to determine a possible correlation between success of CSF leak repair and use of computer assisted surgery. RESULTS: The etiology of the leak was previous sinus surgery in 10 patients (41.7%), trauma in 5 patients (20.8%), spontaneous leak in 5 patients (20.8%), and skull base surgery in 4 patients (16.7%). The most common sites of leak were the fovea ethmoidalis in 10 patients (41.7%), cribriform plate in 8 patients (33.3%), and sphenoid sinus in 6 patients (25%). Image guidance was employed in 66.7% (16 patients) of our first attempted repairs. Six patients underwent a total of 9 revision procedures. At last follow-up, 96% of patients had no evidence of CSF rhinorrhea. A comparison of patients in the 2 groups failed to reveal a statistically significant difference in the rate of CSF leak closure. CONCLUSION: Endoscopic closure of CSF rhinorrhea represents a minimally invasive and highly successful procedure. The use of computer assistance may improve the confidence of the surgeon and is a valuable adjunct in this procedure. Our study, however, did not demonstrate an improvement in the rates of successful closure with the use of computer assistance.
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