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J Neurol Surg B Skull Base. 2019 Oct;80(5):493-499. doi: 10.1055/s-0038-1676334. Epub 2018 Dec 5.

Management of Spontaneous CSF Rhinorrhea: An Institutional Experience.

Author information

1
Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India.

Abstract

Introduction  Cerebrospinal fluid (CSF) rhinorrhea is the leakage of CSF through nasal cavity, due to abnormal communication between the arachnoid membrane and nasal mucosa. Middle-age (fourth to fifth decade) group, female gender, and obesity (body mass index > 40) are the most commonly reported risk-factors for this rare entity. In this study, we present our single center experience of spontaneous CSF rhinorrhea discussing important clinicoradiological aspects in preoperative evaluation and nuances in the endoscopic repair technique. Material and Methods  A retrospective study conducted for 43 spontaneous CSF rhinorrhea patients admitted between Jan 2011 to Jan 2018 at our tertiary care center. All patients underwent endoscopic repair of the defect depending upon their site of leak. Results  Mean age in our study was 36.7 ± 12.3 years (range: 9-62 years). Average BMI in males was found lower (28.7) as compared with females (32). Most common site of CSF leak was cribriform plate ( n  = 32, 74.4%) and Planum was found to be the least common site ( n  = 1, 2.3%) of CSF leak. Intraoperatively, 23 (53.5%) patients showed high-flow leak. Intrathecal injection of fluorescein dye was used to identify the site of CSF leakage in 15 cases (34.8%). The overall success rate of primary endoscopic repair in our study was 95.3%. Conclusion  Spontaneous CSF rhinorrhea occurs secondary to elevated intracranial pressure, with a predilection for obese females in fourth to fifth decade. Individualized tailored surgical approach depending upon the site, size, and flow-variety of the defect forms the cornerstone of management.

KEYWORDS:

CSF rhinorrhea; benign intracranial pressure; cerebrospinal fluid

PMID:
31534891
PMCID:
PMC6748837
[Available on 2020-10-01]
DOI:
10.1055/s-0038-1676334

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