Summary
This cross-sectional survey of 166 Dutch otolaryngologists examined uptake of two evidence-based guidelines (Dutch CBO and European EPOS) for chronic rhinosinusitis. Despite near-universal awareness (99%) and high perceived clinical utility (90%), actual adherence varied considerably, with overuse of CT imaging and underuse of allergy testing relative to guidelines, and more heterogeneous treatment selection when multiple evidence-supported options existed. The findings suggest that guideline awareness and acceptance do not automatically translate to uniform clinical practice, particularly where clinical discretion is permitted.
UK applicability
The findings may be relevant to UK ear, nose, and throat practice if similar guidelines (such as EPOS) are adopted; however, healthcare system differences, funding structures, and referral pathways could affect applicability. A parallel UK audit of guideline adherence in rhinosinusitis management would be needed to establish local patterns.
Key measures
Questionnaire response rate (34%), awareness of guidelines (99%), perceived importance of guidelines (90%), adherence rates to specific diagnostic and treatment recommendations (62–99%), and response heterogeneity patterns across clinical scenarios
Outcomes reported
The study assessed awareness, opinion, and adherence to evidence-based guidelines for chronic rhinosinusitis diagnosis and treatment among Dutch otolaryngologists, using questionnaires and clinical case scenarios. Adherence rates ranged from 62–99% depending on the recommendation, with particular attention to diagnostic imaging and treatment selection patterns.
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