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Updated: Jul 2, 2025
Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation
Published on: February 29, 2020
The Association Between Obesity and Spontaneous Temporal Bone CSF Leak Outcomes: A Systematic Review and
Dimitrios Spinos1, Georgios Geropoulos2, Georgios Vavoulis3
1Department of Otorhinolaryngology, Head and Neck Surgery, South Warwickshire University NHS Foundation Trust, Warwick, UK.
Objective:
We undertook a systematic review of the literature with meta-analysis to identify the role of obesity (BMI ≥30) in the patient characteristics presenting with spontaneous cerebrospinal fluid (sCSF) leaks of the lateral skull base and the outcomes of their repair.
Data Sources:
A Systematic Review of English Articles using MEDLINE, EMBASE, and Cochrane Library.
Review Methods:
The research algorithm included the following keywords: "spontaneous CSF leak," "lateral skull base," "temporal bone," "meningocele," "encephalocele," and "otorrhea." We also manually searched the references of included studies, to identify possible studies missed during our literature search.
Results:
More than two-thirds of the patients were female (69.2%) and often were obese (mean BMI 36.5 kg/m2) with a mean age of 57. Most common presenting symptoms were otorrhea and hearing loss. Most authors did not report a routine use of a post-operative lumbar drain. Most patients had a single skull base defect and encephaloceles prolapsing through, across obese and non-obese groups. Median length of stay in hospital was 3.2 days, and the majority of patients did not have any recurrence during their follow-up (89.6%), which was not affected by obesity.
Conclusion:
Obesity does not affect length of hospital stay or recurrence rate following surgical repair of lateral skull base sCSF leaks. Surgical repair is a safe and viable approach in the management of obese patients with sCSF leaks in the temporal bone.
Level Of Evidence:
NA Laryngoscope, 134:2012-2018, 2024.
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