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Diaz, Keith M; Boudreaux, Benjamin; Xu, Chang; Sanchez, Gabriel; Murdock, Margaret; Cruz, Gaspar; Jurado, Ammie; Gonzalez, Alvis; Ellis, Julia; Diaz, Franchesca; Chang, Melinda; Romero, Emily; Scott, Allie; Sullivan, Alexandra; Duran, Andrea; Kronish, Ian M; Edmondson, Donald

Abstract 18392: Sedentary Behavior and Risk of 1-Year Cardiac Events and Mortality After Suspected Acute Coronary Syndrome

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  • Medientyp: E-Artikel
  • Titel: Abstract 18392: Sedentary Behavior and Risk of 1-Year Cardiac Events and Mortality After Suspected Acute Coronary Syndrome
  • Beteiligte: Diaz, Keith M; Boudreaux, Benjamin; Xu, Chang; Sanchez, Gabriel; Murdock, Margaret; Cruz, Gaspar; Jurado, Ammie; Gonzalez, Alvis; Ellis, Julia; Diaz, Franchesca; Chang, Melinda; Romero, Emily; Scott, Allie; Sullivan, Alexandra; Duran, Andrea; Kronish, Ian M; Edmondson, Donald
  • Erschienen: Ovid Technologies (Wolters Kluwer Health), 2023
  • Erschienen in: Circulation
  • Sprache: Englisch
  • DOI: 10.1161/circ.148.suppl_1.18392
  • ISSN: 0009-7322; 1524-4539
  • Schlagwörter: Physiology (medical) ; Cardiology and Cardiovascular Medicine
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:p> <jats:bold>Background:</jats:bold> Patients hospitalized with acute coronary syndrome (ACS) remain at high risk for recurrent cardiac events in the first year after discharge, necessitating a need to identify modifiable targets to improve outcomes. While moderate-vigorous physical activity (MVPA) is a hallmark of secondary prevention in this population, sedentary behavior (SB) has emerged as a potentially unique aspect of the physical activity profile that may also have prognostic relevance. Yet little is known regarding whether SB confers risk independent from MVPA and what types of activity should be substituted for SB to impart health benefit among ACS patients in the first year after discharge. <jats:bold>Aim:</jats:bold> Examine the association between SB and risk of 1-year cardiac events and mortality among patients evaluated for ACS. </jats:p> <jats:p> <jats:bold>Methods:</jats:bold> Patients (n=609, 52% male, 62 ± 13 y) evaluated in the emergency room for ACS were fitted with a GENEActiv wrist accelerometer in-hospital and wore the device for 30 days post discharge to measure SB, light intensity physical activity (LIPA), MVPA, and sleep. Major adverse cardiovascular events 1-year post discharge were defined as the composite of unstable angina, myocardial infarction, or death. </jats:p> <jats:p> <jats:bold>Results:</jats:bold> Over follow up, 50 patients (8%) had a major adverse cardiovascular event. SB was associated with an increased risk of 1-year major adverse cardiovascular events after adjusting for demographic and disease severity indicators (HR per 1 h/d increase: 1.33, 95% CI: 1.12, 1.58). The association remained significant after adjusting for MVPA (HR per 1 h/d increase: 1.30, 95% CI: 1.06, 1.59). In isotemporal substitution analyses there were beneficial associations for replacing SB with sleep (per 30 min HR: 0.89, 95% CI: 0.81, 0.97), LIPA (per 30 min HR: 0.51, 95% CI: 0.34, 0.76), and MVPA (per 30 min HR: 0.32, 95% CI: 0.12, 0.85) on 1-year major adverse cardiovascular event risk. </jats:p> <jats:p> <jats:bold>Conclusion:</jats:bold> SB was associated with increased risk of 1-year cardiac events and mortality among patients evaluated for ACS, independent of MVPA. Replacing SB with sleep, LIPA, or MVPA was associated with lower risk. These findings suggest reducing SB may improve outcomes in ACS survivors and support the public health message that ACS patients should sit less and move or sleep more to mitigate risk. </jats:p>