• Ananth P Abraham, Madhurita Singh, Kent K Reji, Shalini Nair, and Mathew Joseph.
• Department of Neurological Sciences, Christian Medical College, Vellore, Tamil Nadu, India. Electronic address: ananth.abraham@cmcvellore.ac.in.
• World Neurosurg. 2022 May 1; 161: e564-e571.

ObjectiveConservative management of acute traumatic cerebrospinal fluid rhinorrhea (TCR) results in cessation of the leak in most patients. The objective of this study was to estimate the incidence of recurrent cerebrospinal fluid (CSF) rhinorrhea and meningitis in these patients on long-term follow-up and to determine the risk factors associated with them.MethodsData on 50 patients with acute TCR who were successfully treated with conservative management between 2013 and 2015 and had long-term follow-up was retrieved from our head injury database. Patient variables were analyzed to determine the risk factors associated with recurrence of CSF rhinorrhea and meningitis.ResultsAll patients in our series developed CSF rhinorrhea within 48 hours of trauma. The mean duration of follow-up was 6.3 ± 1.3 years. CSF rhinorrhea recurred in 16 (32%) patients, 15 (93.8%) of whom developed it within 3 years of trauma. Meningitis occurred in 5 (10%) patients and 1 died. Sphenoid sinus fractures and features of raised intracranial pressure on computerized tomography of the brain at admission were significantly associated with the development of meningitis. There were no risk factors identified for the recurrence of CSF rhinorrhea.ConclusionsPatients with acute TCR in whom rhinorrhea subsides with conservative therapy have the highest risk for recurrence of leak or meningitis within 3 years of the trauma. Therefore, we recommend that these patients be counselled about the need for periodic follow-up for several years.Copyright © 2022 Elsevier Inc. All rights reserved.

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