• World Neurosurg · May 2024

    Factors that predict recurrence following endoscopic repair of cerebrospinal fluid rhinorrhea.

    • Abhijit Goyal-Honavar, Abhay Sikaria, Arivazhagan Arimappamagan, Dhaval P Shukla, Sampath Somanna, and Dwarakanath Srinivas.
    • Department of Neurosurgery, National Institute of Mental Health and Neuro Sciences, Bangalore, India.
    • World Neurosurg. 2024 May 1; 185: e532e541e532-e541.

    BackgroundThe endoscopic approach has gained popularity in cerebrospinal fluid (CSF) rhinorrhea repair with high success rates, yet recurrence is frequent. We analyzed our cases to determine the outcomes of endoscopic repair of CSF rhinorrhea and the effect of several perioperative factors on the success of repair.MethodsA retrospective review of 50 patients who underwent endoscopic repair of CSF rhinorrhea between January 2013 and July 2023 was performed, collecting details of presentation, surgery, and postoperative period.ResultsThe most frequent etiology was nontraumatic CSF rhinorrhea (76%), in which the defect was most commonly located at the left cribriform plate, followed by traumatic CSF rhinorrhea (24%), in which sphenoid defects were most frequent. Traumatic CSF rhinorrhea was more common among male patients and was significantly associated with anosmia. Success rate at first repair attempt was 84%. Persistent CSF rhinorrhea was present in 3 patients (6%), and 5 patients (10%) developed recurrence of CSF rhinorrhea. Overall, 7 patients required reoperation, with 100% success rate after the second surgery. The use of 3-layered repair with fat, fascia lata, and mucosal flap was protective against repair failure, whereas bilateral defects and duration of symptoms >1 year were significantly associated with repair failure. The use of lumbar drain did not demonstrate a difference in repair success rate.ConclusionsEndoscopic repair of CSF rhinorrhea appears to be safe and effective when performed with accurate localization of the site of the lesion and multilayered repair. Potential predictors of recurrence include bilateral and long-standing defects.Copyright © 2024 Elsevier Inc. All rights reserved.

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