• Johan Israelsson, Lauri Koistinen, Kristofer Årestedt, Martina Rooth, and Anders Bremer.
• Department of Health and Caring Sciences, Faculty of Health and Life Sciences, Linnaeus University, Kalmar/Växjö, Sweden; Department of Internal Medicine, Kalmar County Hospital, Region Kalmar County, Kalmar, Sweden. Electronic address: johan.israelsson@regionkalmar.se.
• Resuscitation. 2023 Jul 1; 188: 109822109822.

AimThe aim of this study was to explore associations between comorbidities and health-related quality of life (HRQoL) among in-hospital cardiac arrest (IHCA) survivors.MethodsThis registry study is based on data from the Swedish Registry of Cardiopulmonary Resuscitation (SRCR) collected during 2014-2017. HRQoL was assessed using the EQ-5D-5L, the EQ Visual Analogue Scale (EQ VAS) and the Hospital Anxiety and Depression Scale (HADS). In total, 1,278 IHCA survivors were included in the study, 3-6 months after the cardiac arrest (CA). Data were analysed with descriptive and inferential statistics. The comorbidities analysed in this study were the patients' status for diabetes, previous myocardial infarction, previous stroke, respiratory insufficiency, and heart failure.ResultsOverall, the IHCA survivors reported high levels of HRQoL, but there was great variation within the population, e.g., EQ VAS median (q1-q3) = 70 (50-80). Survivors with one or more comorbidities reported worse HRQoL in 6 out of 8 outcomes (p < 0.001). All studied comorbidities were each associated with worse HRQoL, but no comorbidity was associated with every outcome measure. Previous stroke and respiratory insufficiency were significantly associated with every outcome measure except for HADS Anxiety. The linear regression models explained 4-8% of the total variance in HRQoL (p < 0.001).ConclusionSince IHCA survivors with comorbidities report worse HRQoL compared to those without comorbidities, it is important to pay directed attention to them when developing and providing post-CA care, especially in those with respiratory insufficiency and previous stroke.Copyright © 2023 The Author(s). Published by Elsevier B.V. All rights reserved.

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