• Craig Johnston, Ashwin Subramaniam, Judit Orosz, Aidan Burrell, NetoAry SerpaASAustralian and New Zealand Intensive Care Research Centre (ANZIC-RC), School of Public Health and Preventative Medicine, Monash University, Melbourne, VIC, Australia.Department of Critical Care Medicine, Hospital Israelita Albert Einstein, , Meredith Young, Michael Bailey, David Pilcher, Andrew Udy, and Daryl Jones.
• Department of Intensive Care and Hyperbaric Medicine, Alfred Hospital, Melbourne, VIC, Australia.
• Crit Care Resusc. 2022 Jun 6; 24 (2): 106115106-115.

AbstractObjectives: To evaluate the epidemiology of rapid response team (RRT) reviews that led to intensive care unit (ICU) admissions, and to evaluate the frequency of in-hospital cardiac arrests (IHCAs) among ICU patients with confirmed coronavirus disease 2019 (COVID-19) in Australia. Design: Multicentre, retrospective cohort study. Setting: 48 public and private ICUs in Australia. Participants: All adults (aged ≥ 16 years) with confirmed COVID-19 admitted to participating ICUs between 25 January and 31 October 2020, as part of SPRINT-SARI (Short PeRiod IncideNce sTudy of Severe Acute Respiratory Infection) Australia, which were linked with ICUs contributing to the Australian and New Zealand Intensive Care Society Adult Patient Database (ANZICS APD). Main outcome measures and results: Of the 413 critically ill patients with COVID-19 who were analysed, 48.2% (199/413) were admitted from the ward and 30.5% (126/413) were admitted to the ICU following an RRT review. Patients admitted following an RRT review had higher Acute Physiology and Chronic Health Evaluation (APACHE) scores, fewer days from symptom onset to hospitalisation (median, 5.4 [interquartile range (IQR), 3.2-7.6] v 7.1 days [IQR, 4.1-9.8]; P < 0.001) and longer hospitalisations (median, 18 [IQR, 11-33] v 13 days [IQR, 7-24]; P < 0.001) compared with those not admitted via an RRT review. Admissions following RRT review comprised 60.3% (120/199) of all ward-based admissions. Overall, IHCA occurred in 1.9% (8/413) of ICU patients with COVID-19, and most IHCAs (6/8, 75%) occurred during ICU admission. There were no differences in IHCA rates or in ICU or hospital mortality rates based on whether a patient had a prior RRT review or not. Conclusions: This study found that RRT reviews were a common way for deteriorating ward patients with COVID-19 to be admitted to the ICU, and that IHCA was rare among ICU patients with COVID-19.© 2022 College of Intensive Care Medicine of Australia and New Zealand.

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