Clinical study of real-time three-dimensional echocardiography combined with radionuclide imaging to evaluate changes in cardiac function and synchronization before and after cardiac rehabilitation in patients with acute myocardial infarction.

Expert review of medical devices Pub Date : 2025-04-03 DOI:10.1080/17434440.2025.2489497

Jinfang Cheng, Ning Li, Jun Xue, Xiaolong Mi

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Abstract

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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研究目的本研究旨在揭示实时三维超声心动图（RT-3DE）结合放射性核素成像评估急性心肌梗死（AMI）患者心脏康复前后心功能和同步性变化的效果：方法：PCI（康复前）和 8 周随访（康复后）后进行 RT-3DE 和放射性核素成像。收集了相关数据：心率（HR）、左心室收缩末期容积（LVESV）、左心室舒张末期容积（LVEDV）、左心室射血分数（LVEF）、左心室16段到最小收缩容积的最大时间差（Tmsv-16-Dif）、左心室 16 段到最小收缩容积时间的标准偏差（Tmsv-16-SD）、Tmsv 16-Dif % 和 Tmsv 16-SD %、应激评分总和（SSS）、静息评分总和（SRS）和 SDS（SRS-SSS）。结果：PCI术后8周随访时，康复组的HR、LVEDV、LVESV、Tmsv-16-Dif、Tmsv-16-SD、Tmsv-16-Dif%、Tmsv-16-SD%、SSS、SRS和SDS均低于对照组；康复组的LVEF高于对照组：结论：RT-3DE和放射性核素成像可作为评估接受PCI的AMI患者心脏康复后左心室功能和同步化变化的随访工具。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Expert review of medical devices

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