Why the study?
Necrotising otitis externa has minimal evidence underpinning its diagnosis and management, prompting an analysis of literature from the past decade to identify emerging themes and topics for future research.
A scoping review highlights the severe lack of high-quality evidence for the diagnosis and management of necrotising otitis externa, calling for robust clinical trials.
Necrotising otitis externa evidence remains limited; leaves open key themes for prospective diagnostic and management trials.
OBJECTIVE: Necrotising otitis externa is an invasive, infective condition, with minimal evidence underpinning its diagnosis and management. This work aimed to analyse literature from the past decade, to identify emerging themes and important topics for future research. METHODS: A robust literature search and review were conducted by two researchers. Sixty studies were filtered into the final review. A grounded theory approach was used to identify core themes. Data within these themes formed the basis of the review. RESULTS: There is no consensus regarding a clinical definition or outcome measures of necrotising otitis externa, and there exists no level 1, 2 or 3 evidence to diagnose, investigate, monitor or treat necrotising otitis externa. Emerging themes in the literature direct researchers to important topics for future clinical trials, including risk factors, microbiological culture, management strategies and radiology. CONCLUSION: In order to optimise understanding and management of necrotising otitis externa, future research requires robust clinical trials and consistently reported outcome measures.
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Stapleton et al. (2021) studied this question.
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