Clinical studies found that poor ST-segment resolution (STR) in electrocardiogram (ECG) occurred in major adverse cardiovascular events (MACE), arrhythmia and heart failure was significantly higher . In clinical work, in patients have poor ST-segment decline, the investigators found by CMR-LGE the corresponding myocardium become thinner and other signs of myocardial scar. The investigators aimed to establish whether poor ST-segment resolution in ECG, as well as CMR-LGE, could detect the presence of myocardial scar in early STEMI patients. In order to provide convenient, cheap and widely used test method for patients who cannot tolerate CMR-LGE. 42 STEMI patients with single-branch coronary artery stenosis or occlusion were enrolled. ST-segment elevations were measured on the baseline and 24 hours after PCI. The study population was divided into two groups by late gadolinium enhanced cardiac magnetic resonance (LGE- CMR), with transmural myocardial scar (\>75%) or non-transmural myocardial scar (\<75%).
Age range
30 Years – 80 Years
Sex
ALL
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
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Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
ST-segment resolution<40.15%
Timeframe: 1) Emergency admission: ST-segment elevations were measured. 2) 24 hours after PCI: ST-segment elevations were measured. 3) 7 days after PCI: CMR-LGE was performed.
ST-segment resolution>40.15%
Timeframe: 1) Emergency admission: ST-segment elevations were measured. 2) 24 hours after PCI: ST-segment elevations were measured. 3) 7 days after PCI: CMR-LGE was performed.