Key result
Elevated native T1 on post-STEMI CMR predicts obstructive non-infarct-related arteries.
Why the study?
Does post-STEMI CMR native T1 evaluation predict obstructive non-infarct related artery in STEMI patients?
Observational
Does post-STEMI CMR native T1 evaluation predict obstructive non-infarct related artery in STEMI patients?
Elevated native T1 values on post-STEMI CMR may predict obstructive non-infarct related artery disease, potentially supporting early complete revascularization without the need for stress perfusion studies.
May support CMR-guided complete revascularization without stress perfusion; extends T1 mapping evidence in post-STEMI cohorts.
Elevated native T1 values are independent predictors of obstructive Non-IR artery in ST elevation MI patients. These results suggest the presence of concomitant remote myocardial impairment in the non-infarct territories wit obstructive CAD. The fact that there is a correlation between the presence of obstructive coronary artery and high native T1 values might support the performance of complete revascularization early after STEMI without postponing and waiting for the results of perfusion studies. As opposed to myocardial perfusion imaging, native T1 evaluation can be performed safely early post STEMI, not exposing patients to pharmacologic or physiologic stress. Therefore, larger and more comprehensive studies are needed to clarify the usefulness of revascularization of elevated T1 areas early after MI.
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Sung Il Im (2023) conducted an observational in ST elevation MI (STEMI). Post-STEMI CMR (native T1 evaluation) was evaluated on Obstructive non-infarct related (Non-IR) artery. Elevated native T1 values on post-STEMI CMR are independent predictors of obstructive non-infarct related artery in STEMI patients.
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