Key result
Cardiac rehabilitation is linked to improved LV function and synchronization at 8 weeks post-PCI.
Why the study?
To evaluate changes in cardiac function and synchronization before and after cardiac rehabilitation in patients with AMI using combined RT-3DE and radionuclide imaging.
Does cardiac rehabilitation improve cardiac function and synchronization in patients with acute myocardial infarction undergoing PCI?
Cohort
Does cardiac rehabilitation improve cardiac function and synchronization in patients with acute myocardial infarction undergoing PCI?
Cardiac rehabilitation improves left ventricular function and synchronization in patients with AMI after PCI, as evaluated by RT-3DE and radionuclide imaging.
May support cardiac rehab for post-PCI LV recovery; hypothesis-generating in this cohort and requires RCTs before practice change.
OBJECTIVE: This research aimed to unveil the effects of real-time three-dimensional echocardiography (RT-3DE) combined with radionuclide imaging to evaluate changes in cardiac function and synchronization before and after cardiac rehabilitation in patients with acute myocardial infarction (AMI). METHODS: RT-3DE and radionuclide imaging were performed after PCI (pre-rehabilitation) and the 8-week follow-up visit (post-rehabilitation). Relevant data were collected: heart rate (HR), left ventricular (LV) end-systolic volume (LVESV), LV end-diastolic volume (LVEDV), LV ejection fraction (LVEF), LV 16-segment maximum difference in time to minimum systolic volume (Tmsv-16-Dif), LV 16-segment standard deviation of time to minimum systolic volume (Tmsv-16-SD), Tmsv 16-Dif % and Tmsv 16-SD %, summed Stress Score (SSS), Summed Rest Score (SRS), and SDS (SRS-SSS). RESULTS: At the 8-week follow-up after PCI, HR, LVEDV, LVESV, Tmsv-16-Dif, Tmsv-16-SD, Tmsv-16-Dif%, Tmsv-16-SD%, SSS, SRS, and SDS in the rehabilitation group were lower than those in the control group; LVEF in the rehabilitation group was higher than the control group. CONCLUSION: RT-3DE and radionuclide imaging can be used as a follow-up tool for evaluating LV function and synchronization changes after cardiac rehabilitation in patients with AMI undergoing PCI.
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Cheng et al. (2025) conducted a cohort in Acute myocardial infarction (AMI). Cardiac rehabilitation vs. Control group was evaluated on Changes in cardiac function and synchronization (HR, LVEDV, LVESV, LVEF, Tmsv-16 parameters, SSS, SRS, SDS). Cardiac rehabilitation improved left ventricular function and synchronization at 8 weeks post-PCI compared to a control group, as evaluated by RT-3DE and radionuclide imaging.
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