Sedentary Behavior Linked to Higher Cardiac Event Risk After Hospitalization
A new study reveals that prolonged sedentary time increases the risk of subsequent cardiac events within a year after hospitalization. Replacing sitting time with light physical activity or sleep can significantly reduce cardiovascular risks.
A recent study published in Circulation: Cardiovascular Quality and Outcomes highlights the potentially dangerous consequences of prolonged sitting for individuals recovering from cardiac events. Researchers found that people who remain sedentary for more than 14 hours daily have more than twice the risk of experiencing another cardiac event within a year of hospitalization.
The study, conducted by Columbia University researchers, tracked approximately 600 adults aged 21 to 96 who were treated for heart-related symptoms. Using wrist accelerometers, the team measured participants' daily physical activity and sedentary time over a median of 30 days following hospital discharge.
Key findings demonstrate that replacing 30 minutes of sedentary time with moderate to vigorous physical activity can reduce the risk of adverse cardiovascular events or death by 61%. Similarly, replacing sedentary time with light-intensity physical activity reduced risk by 50%, while substituting with an additional 30 minutes of sleep lowered risk by 14%.
The research suggests that patients need not engage in intense exercise to see health benefits. Simple activities like walking, housework, or gardening can significantly improve cardiovascular health. Study lead author Keith Diaz emphasized that a more holistic and flexible approach to physical activity recommendations could help patients recover more effectively.
These findings provide crucial insights for healthcare professionals and patients, underlining the importance of reducing sedentary behavior and incorporating more movement into daily routines, even after experiencing a cardiac event.