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Categories: Abstracts, 2022, Podium

Rate of COVID-19 infection and 30 day mortality between Blue and Green (Dedicated COVID-19 free) pathways? Results from UK-FAlCoN audit

L. Houchen-Wollof, L. Mason, J. Mangwani, K. Malhotra

1University Hospitals of Leicester NHS Trust, Leicester, United Kingdom

2Liverpool University Hospitals NHS Foundation Trust, Trauma and Orthopaedics, Liverpool, United Kingdom

3Royal National Orthopaedic Hospital NHS Trust, Trauma and Orthopaedics, HA7 4LP, United Kingdom

Joint Winner of the BOFAS 2022 Second Prize (Podium)

Objectives: The primary aim was to determine the differences in COVID-19 infection rate and 30 day mortality in patients undergoing foot and ankle surgery between different treatment pathways over the two phases of the UK-FALCON audit, spanning the first and second national lockdowns.

Design: Multicentre retrospective national audit.

Setting: This was a combined retrospective (Phase 1) and prospective (Phase 2) national audit of foot and ankle procedures in the UK in 2020.

Participants: All adult patients undergoing foot and ankle surgery in an operating theatre during the study period included from 46 participating centres in England, Scotland, Wales and Northern Ireland. Patients were categorised as either a green pathway (designated COVID-19 free) or blue pathway.

Results: 10,846 patients were included, 6,644 from phase 1 and 4,202 from phase 2. Over the 2 phases the infection rate on a blue pathway was 1.07% (69/6,470) and 0.21% on a green pathway (9/4,280). In phase 1, there was no significant difference in the COVID-19 perioperative infection rate between the blue and green pathways in any element of the first phase (pre-lockdown (p=.109), lockdown (p=.923) or post-lockdown (p=.577)). However, in phase 2 there was a significant reduction in perioperative infection rate when using the green pathway in both the pre-lockdown (p<.001) and lockdown periods (p<.001). There was no significant difference in COVID-19 related mortality between pathways.

Conclusions: There was a five-fold reduction in the perioperative COVID-19 infection rate when using designated COVID-19 green pathways; however the success of the pathways only became significant in phase 2 of the study. The study shows a developing success in using green pathways in reducing the risk to patients undergoing foot and ankle surgery.

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