Key result
In optimally treated male patients early after STEMI, high-intensity interval training did not significantly differ from moderate-intensity continuous training in changing left ventricular end-diastolic volume index at the end of cardiac rehabilitation (p=0.557).
Why the study?
Does high-intensity interval training improve left ventricular remodeling in patients early after ST-segment elevation myocardial infarction compared to moderate-intensity continuous training?
Comparison
High-intensity interval training vs isocaloric moderate-intensity continuous training
Design
Randomized controlled trial
Follow-up
1-year follow-up
Authors
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HIIT matches MICT for LV remodeling early post-STEMI; extends evidence that matched-volume training yields comparable remodeling regardless of intensity.
RCT (n=73)
Outcome assessors blinded
1:1, blocksize 2, stratified by left ventricular function
No
Does high-intensity interval training improve left ventricular remodeling in patients early after ST-segment elevation myocardial infarction compared to moderate-intensity continuous training?
Absolute Event Rate: 4.5% vs 6.2%
p-value: p=0.557
In optimally treated patients early after STEMI, HIIT did not improve short-term LV remodeling compared to MICT and was associated with worse long-term global longitudinal strain.
Eser et al. (2022) conducted an RCT in ST-segment elevation myocardial infarction (STEMI) (n=73). High-intensity interval training (HIIT) vs. Moderate-intensity continuous training (MICT) (3 sessions per week) was evaluated on Change in left ventricular end-diastolic volume index (LVEDVi) at the end of cardiac rehabilitation (p=0.557). In optimally treated male patients early after STEMI, high-intensity interval training did not significantly differ from moderate-intensity continuous training in changing left ventricular end-diastolic volume index at the end of cardiac rehabilitation (p=0.557).