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. 2020 Apr;24(7):3981-3992.
doi: 10.26355/eurrev_202004_20868.

Association of major adverse cardiovascular events and cardiac troponin-I levels following percutaneous coronary intervention: a three-year follow-up study at a single center

Z-S Huang  1 , Z-D Zheng, J-W Zhang, L-L Tang, L-L Zhou, S-H Li, X-J Xie, R-M Dong, J-M Zhu, J-L Liu
Affiliations
Free article

Association of major adverse cardiovascular events and cardiac troponin-I levels following percutaneous coronary intervention: a three-year follow-up study at a single center

Z-S Huang et al. Eur Rev Med Pharmacol Sci. 2020 Apr.
Free article

Abstract

Objective: Major adverse cardiovascular events occurrences of patients with different cardiac troponin-I (cTnI) levels following percutaneous coronary intervention (PCI) remained controversial. The prognostic relevance and risk factors of PCI-related myocardial infarction (MI) were not very clear as well.

Patients and methods: Our study included 249 coronary artery disease patients without preoperative cTnI elevation who successfully accepted PCI from 2013 to 2014. A three-year follow-up was conducted for each patient. The patients were divided into PCI-related MI group and non-PCI-related MI group. Risk factors of PCI-related MI were first explored. The occurrence of MACE was recorded. The prognostic relevance between PCI-related MI (PMI) group and non-PCI-related MI group, as well as different postoperative cTnI levels, were compared.

Results: Low-density lipoprotein cholesterol (LDL-C), age, Gensini Score, total stent length, and intra-operative complication were found positively correlated with PCI-related MI occurrence, while hemoglobin and prior PCI history were negatively correlated. After 3-year follow-up, the Kaplan-Meier survival curve showed MACE occurrence was significantly increased in PCI-related MI group. Comparing to patients with normal postoperative cTnI, MACE occurrence was increased in patients with a 10×upper limit of normal (ULN)≤cTnI<70×ULN and cTnI≥70×ULN, while there was no difference in patients with 1×ULN≤cTnI<5×ULN and 5×ULN≤cTnI<10×ULN. Cox proportional hazard regression analysis revealed PMI, NT-proBNP, and left ventricular ejection function (LVEF)<50% were positively correlated with MACE occurrence, while maximum inflation pressure and apoA-I were negatively correlated.

Conclusions: Prognosis of PCI-related MI was poor, as well as in patients with postoperative cTnI≥10×ULN. Among the risk factors of PMI, LDL-C, age, Gensini Score, total stent length, and intra-operative complication were positively correlated with PCI-related MI occurrence, while hemoglobin and prior PCI history were negatively correlated.

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