Research ethics committee approval as reported for abstracts submitted to the annual Euroanaesthesia meeting.

BACKGROUND: The annual congress of the European Society of Anaesthesiology (ESA) is one of the largest anaesthesia congresses in the world and exhibits more than 1200 abstracts annually. OBJECTIVES: The aims of this study were to quantify the frequency of inadequate evidence of ethical approval for abstracts submitted to the ESA congress and to examine whether abstracts without appropriate ethical approval were subsequently accepted. DESIGN AND SETTING: All abstracts submitted in 2015 were adjudicated according to European ethical criteria. MAIN OUTCOME MEASURE: The proportion of submitted abstracts that lacked evidence of appropriate ethics committee approval. Secondary outcomes included the proportion of accepted abstract that lacked evidence of appropriate ethical approval; the proportion of correctly identified case reports; the proportion of accepted abstracts that lacked evidence of appropriate ethics committee approvals corresponding to location (within/outside Europe); and the proportion of accepted abstracts that lacked evidence of appropriate ethics committee approvals corresponding to a specific area of research. RESULTS: In total, 1792 abstracts were reviewed and 1572 (87.7%) involved humans. In 527 (29.4%), the authors failed to demonstrate adequate ethical approval with higher rates in abstracts submitted from Europe (32.1%) than the rest of the world (23.5%), P

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