Antibiotic prophylaxis audit and questionnaire study: Traffic Light Poster improves adherence to protocol in gastrointestinal surgery.

Objective: To measure adherence to antibiotic prophylaxis (AP) protocol amongst surgeons and anesthetists and explore their understanding of AP prescribing in practice.

Design: A prospective audit of AP in gastrointestinal surgery and re-audit after intervention. A questionnaire survey of practice.