Changes in the utilisation of acute hospital care in Ireland during the first wave of COVID-19

Abstract Background Reduced and delayed presentations for non-COVID-19 illness during the COVID-19 pandemic have implications population health systems. The aim of this study was to quantify characterise changes in acute hospital healthcare utilisation first wave Ireland inform service planning public policy. Methods A retrospective, population-based, interrupted time-trend conducted, using two national datasets, from 6th January 5th July 2020. Results Comparison between time periods pre- post-onset within 2020 showed that there were 81,712 fewer Emergency Department (ED) (-18.8%), 19,692 admissions ED (-17.4%) 210,357 (-35.0%). Reductions greatest at peak restrictions, extremes age elective admissions. In period immediately following wave, remained below pre-COVID-19 levels however, increases emergency alcohol-related (Rate Ratio 1.22, 95% CI 1.03, 1.43, p-value 0.016), with self-harm 1.39, 1.01, 1.91, 0.043) mental 1.28, 1.60, 0.028). Conclusions Public lost care will become fully apparent over time. short-term, backlogs need managed impacts associated particularly relation alcohol, be addressed through strong system responses, including adoption a recovery plan. long-term, has highlighted weaknesses is an opportunity progress reform towards universal, high-quality, sustainable resilient system, capable meeting needs responding future pandemics. Key messages impacted evidence increased alcohol services. Population priority.