Why the study?
Associations between TIMI flow grade or perfusion grade and changes in biomarkers reflecting myocardial damage, dysfunction, and inflammation in ACS were unknown.
Does successful restoration of epicardial blood flow and myocardial perfusion reduce biomarkers of myocardial necrosis, dysfunction, and inflammation in patients with STEMI and NSTE-ACS?
Population
2606 patients with STEMI or NSTE-ACS undergoing PCI in the PLATO trial
Comparison
Complete vs incomplete TFG (TFG 3 vs <3) and normal vs abnormal TMPG (TMPG 3 vs <3)
Design
Substudy of a randomized controlled trial
Follow-up
6-month post-randomization
Authors
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Successful reperfusion links to attenuated biomarker injury in STEMI; hypothesis-generating, prospective trials needed before practice change.
Does successful restoration of epicardial blood flow and myocardial perfusion reduce biomarkers of myocardial necrosis, dysfunction, and inflammation in patients with STEMI and NSTE-ACS?
Successful restoration of epicardial blood flow in STEMI is associated with reduced myocardial necrosis, dysfunction, and inflammation, while normal myocardial perfusion in NSTE-ACS is associated with less myocardial dysfunction.
Batra et al. (2022) studied this question.