Post-cardiac injury syndrome in acute myocardial infarction patients undergoing PCI: A case report and literature review

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Abstract

Background: In the era of primary percutaneous coronary intervention (PPCI), the incidence of post-cardiac injury syndrome (PCIS) in patients with acute myocardial infarction (AMI) following PPCI has become less common. However, the intrinsic pathogenesis of this medical condition remains largely uncertain. Unlike the prior reports, the present paper provides new mechanistic clues concerning the pathogenesis of PCI-related PCIS. Case presentation: A 45-year-old male with AMI had developed an early onset of PCIS at 3 h after PPCI. A significantly slower TIMI flow (grade ≤ 2) for the culprit arteries was observed through follow-up coronary angiography (CAG); no stent thrombosis or any significant evidence of iatrogenic trauma due the intervention procedures was found. Nevertheless, the the serum level of HsCRP showed similar variation trend as the neutrophil count and troponin T in continuous blood monitoring, which suggested a potential association between PPCI-related coronary microvascular dysfunction (CMD) and pathogenesis of PCIS. Conclusions: The reported case had excessive inflammatory reaction and CMD resulting from cardiac ischemia-reperfusion injury in an AMI patient with risk factors of endothelial dysfunction. There exists a potential reciprocal causation between PCIS and performance of PPCI in the AMI patient who was susceptible to endothelial damage.

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Gao, Y., Bishopric, N. H., Chen, H. W., Li, J. T., Huang, Y. L., & Huang, H. X. (2018, December 12). Post-cardiac injury syndrome in acute myocardial infarction patients undergoing PCI: A case report and literature review. BMC Cardiovascular Disorders. BioMed Central Ltd. https://doi.org/10.1186/s12872-018-0964-4

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