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Otogenic brain complications: a systematic review and meta-analysis

Published online by Cambridge University Press:  05 March 2024

Eleni Gkrinia*
Affiliation:
ENT Department, University Hospital of Larissa, Larissa, Greece
Alexandros G Brotis
Affiliation:
Department of Neurosurgery, University Hospital of Larissa, Larissa, Greece
Kyriaki Vallianou
Affiliation:
ENT Department, University Hospital of Larissa, Larissa, Greece
Anna Maria Ntziovara
Affiliation:
ENT Department, University Hospital of Larissa, Larissa, Greece
Jiannis Hajiioannou
Affiliation:
ENT Department, University Hospital of Larissa, Larissa, Greece
*
Corresponding author: Eleni Gkrinia; Email: gkrinia.eleni@gmail.com

Abstract

Objective

This study aimed to form astute deductions regarding the presentation, treatment and mortality of otogenic brain complications.

Methods

A systematic literature search of four medical databases (PubMed, Embase, Web of Science and Scopus) was conducted. Studies associated with otogenic brain complications were considered eligible. Fixed- and random-effects model meta-analysis was developed to assess the proportion estimate for each outcome individually.

Results

Twenty-eight studies, with 1650 patients in total, were included. In 66 per cent of patients there was a known history of chronic otitis media. The most common symptoms were purulent otorrhoea (84 per cent), headache (65 per cent) and otalgia (45 per cent). A brain abscess was observed in 49 per cent of patients, followed by meningitis (34 per cent) and sinus thrombosis (22 per cent). A combination of surgical and conservative therapy was chosen in 84.3 per cent of cases and the mortality rate approached 11.1 per cent.

Conclusion

Otogenic brain complications are a possibly life-threatening condition. Prompt imaging examination may set the final diagnosis and lead to an effective treatment.

Type
Main Article
Copyright
Copyright © The Author(s), 2024. Published by Cambridge University Press on behalf of J.L.O. (1984) LIMITED

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Footnotes

Eleni Gkrinia takes responsibility for the integrity of the content of the paper

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