• Crit Care · Mar 2024

    Physical activity is associated with a lower risk of contracting and dying in infection and sepsis: a Swedish population-based cohort study.

    • Karl Stattin, Mikael Eriksson, Robert Frithiof, Rafael Kawati, Michael Hultström, and Miklos Lipcsey.
    • Department of Surgical Sciences, Anesthesiology and Intensive Care, Uppsala University, Akademiska Sjukhuset, Ingång 70, 75 185, Uppsala, Sweden. karl.stattin@uu.se.
    • Crit Care. 2024 Mar 24; 28 (1): 9898.

    BackgroundSepsis is a condition where the immune response to infection becomes dysregulated and life-threatening. It is not known whether lifestyle factors influence the risk of sepsis. The aim of the present study is to investigate the association between physical activity and the risk of acquiring and dying in infection or sepsis.MethodsThe population-based Swedish Mammography Cohort and Cohort of Swedish Men sent participants lifestyle questionnaires in 1997 and have subsequently followed participants in national Swedish registers, including the National Patient Register, the Swedish Intensive Care Registry and the Cause of Death Register. The risk of contracting infection and sepsis, the risk of intensive care unit admission and the risk of death were estimated using multivariable Cox regression.ResultsAmong 64,850 cohort participants, 26,124 individuals suffered at least one episode of infection or sepsis and 4708 individuals died of infection or sepsis during the study period. In adjusted analyses, compared to exercising less than one hour per week, stated exercise one hour per week was associated with lower risk of contracting infection or sepsis, hazard ratio (HR) 0.93 (95% confidence interval (CI) 0.90-0.97), and lower risk of dying in infection or sepsis, HR 0.87 (95% CI 0.80-0.96). Further exercise was associated with even lower risk, and similar patterns were observed for walking. The population-attributable risks of contracting and dying in infection or sepsis for not exercising were 2.6% and 4.5%, respectively.ConclusionsExercise and walking demonstrate inverse dose-response associations with both the risk of contracting and dying in infection and sepsis, presenting possible preventative interventions for this critical condition.© 2024. The Author(s).

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