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A Havelková1, J Siegelová, B Fišer

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Summary
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Cardiovascular rehabilitation timing impacts blood pressure. Morning exercise (9:00-10:15 AM) increased systolic and diastolic pressure, while afternoon sessions (1:30-2:45 PM) decreased it, compared to non-rehab days.

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Area of Science:

  • Cardiology
  • Exercise Physiology

Background:

  • Myocardial infarction (MI) patients benefit from cardiovascular rehabilitation.
  • Blood pressure (BP) management is crucial post-MI.
  • The optimal timing for cardiovascular rehabilitation is not well-established.

Purpose of the Study:

  • To investigate the relationship between the timing of cardiovascular rehabilitation sessions and daily blood pressure levels in post-MI patients.
  • To determine if morning versus afternoon rehabilitation affects systolic and diastolic blood pressure.

Main Methods:

  • Utilized 7-day ambulatory blood pressure monitoring (ABPM) in post-MI patients undergoing rehabilitation.
  • Compared average daily systolic and diastolic blood pressure on rehabilitation days versus non-rehabilitation days.
  • Analyzed BP trends based on specific morning (9:00-10:15 AM) and afternoon (1:30-2:45 PM) rehabilitation session times.

Main Results:

  • Patients undergoing morning cardiovascular rehabilitation showed a significant increase in both systolic and diastolic blood pressure.
  • Patients engaging in afternoon cardiovascular rehabilitation experienced a significant decrease in both systolic and diastolic blood pressure.
  • These changes were observed in comparison to blood pressure readings on days without rehabilitation.

Conclusions:

  • The timing of cardiovascular rehabilitation significantly influences blood pressure in myocardial infarction survivors.
  • Afternoon rehabilitation sessions may be more beneficial for blood pressure reduction post-MI.
  • Further research is warranted to optimize cardiovascular rehabilitation protocols based on time of day.