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Short versus prolonged bed rest after uncomplicated acute myocardial infarction: a systematic review and
Harald Herkner1, Jana Thoennissen, Mariam Nikfardjam
1Department of Emergency Medicine, Vienna General Hospital, Waehringer Guertel 18-20, A-1090 Vienna, Austria.
Insights
Shorter bed rest periods (2-12 days) for myocardial infarction patients are as safe as longer durations. This systematic review found no increased harm from reduced bed rest, challenging current guidelines.
Area of Science:
- Cardiology
- Clinical Trials
- Evidence-Based Medicine
Background:
- Current guidelines from the American College of Cardiology/American Heart Association and the European Society of Cardiology recommend at least 12 hours of bed rest for uncomplicated myocardial infarction.
- This recommendation is based on older practices and may not reflect current understanding of cardiac recovery.
Purpose of the Study:
- To systematically review and meta-analyze randomized controlled trials comparing short versus prolonged bed rest in patients with uncomplicated acute myocardial infarction.
- To evaluate the safety and efficacy of shorter bed rest durations in post-myocardial infarction care.
Main Methods:
- Systematic literature review and meta-analysis of randomized and quasi-randomized controlled trials.
- Inclusion criteria focused on uncomplicated acute myocardial infarction patients comparing short (2-12 days) versus prolonged (5-28 days) bed rest.
Main Results:
- Fifteen trials involving 1332 patients on short bed rest and 1326 on prolonged bed rest were analyzed.
- Studies were generally outdated with poor methodological reporting.
- No statistically significant evidence indicated that shorter bed rest durations were associated with increased risk of death, reinfarction, post-infarction angina, or thromboembolic events.
Conclusions:
- Bed rest durations ranging from 2 to 12 days appear to be as safe as longer periods for patients with uncomplicated myocardial infarction.
- The findings suggest a potential need to re-evaluate current guideline recommendations for post-myocardial infarction bed rest duration.
Background:
Recently updated guidelines by the American College of Cardiology/American Heart Association and the European Society of Cardiology recommend at least 12 hours bed rest in patients with uncomplicated myocardial infarction.
Methods:
We performed a systematic literature review and meta-analysis of randomized and quasi-randomized controlled trials comparing short versus prolonged bed rest in patients with uncomplicated acute myocardial infarction.
Results:
We found 15 trials with 1332 patients assigned to a short period of bed rest (range 2 to 12 days) and 1326 patients assigned to prolonged bed rest (range 5 to 28 days). Generally, the studies were outdated and seemed to be of poor methodologic reporting quality. There was no evidence that shorter bed rest was more harmful than longer bed rest in terms of death, reinfarction, post-infarction angina, or thromboembolic events.
Conclusion:
We concluded that bed rest ranging from 2 to 12 days seems to be as safe as longer periods of bed rest.