Impact of Periprocedural Myocardial Biomarker Elevation on Mortality Following Elective Percutaneous Coronary Intervention.

Impact of Periprocedural Myocardial Biomarker Elevation on Mortality Following Elective Percutaneous Coronary Intervention. - 2019

Available online through MWHC library: 2008 - present

BACKGROUND: Several studies have shown a strong association between post-PCI CK-MB elevation and subsequent mortality. However, the prognostic significance of troponin elevation following coronary intervention is still debated. CONCLUSIONS: Following elective PCI in patients in stable condition treated with second-generation drug-eluting stent, CK-MB and cTn elevations remain common. After multivariate adjustment, there was an increased mortality rate with elevation of CK-MB after PCI, whereas cTn elevation was not independently associated with mortality at 1 year. Copyright (c) 2019 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved. METHODS: Patient-level data from 5 contemporary coronary stent trials and 1 large registry were pooled. Mortality of patients with stable angina, with normal baseline biomarkers, was compared between patients with and those without different cutoff values of cTn and CK-MB. OBJECTIVES: This study sought to explore the association between biomarker elevation, with creatine kinase-myocardial band (CK-MB) or cardiac troponin (cTn), following percutaneous coronary intervention (PCI) and mortality in patients undergoing PCI for stable angina with normal baseline values. RESULTS: A total of 13,452 patients were included in this pooled analysis. The overall percentage of patients with elevated biomarkers following PCI was 23.9% for CK-MB and 68.4% for cTn. In the patient cohort for whom both assays were available (n = 8,859), 2.4% had both CK-MB >=5 x the upper limit of normal (ULN) and cTn >=35 x ULN, while 92% had both CK-MB <5 x ULN and cTn <35 x ULN. Among patients with CK-MB >=5 x ULN (n = 315), 212 (67.3%) also had cTn >=35 x ULN. Conversely, 390 of patients (64.8%) who had cTn >=35 x ULN did not have CK-MB >=5 x ULN. A total of 259 patients (1.9%) died at 1 year; 20 (7.7%) had CK-MB >=5 x ULN, and 23 (8.8%) had cTn >=35 x ULN. In the Cox multivariate analysis, in which the CK-MB and cTn ratios post-procedure were forced into the model, age, prior myocardial infarction, lesion complexity, hyperlipidemia, and CK-MB ratio (>=10) post-procedure were associated with increased 1-year mortality.


English

1936-8798

10.1016/j.jcin.2019.07.014 [doi] S1936-8798(19)31528-6 [pii]


*Angina, Stable/th [Therapy]
*Creatine Kinase, MB Form/bl [Blood]
*Percutaneous Coronary Intervention/mo [Mortality]
*Troponin T/bl [Blood]
Aged
Angina, Stable/bl [Blood]
Angina, Stable/di [Diagnosis]
Angina, Stable/mo [Mortality]
Biomarkers/bl [Blood]
Drug-Eluting Stents
Female
Humans
Male
Middle Aged
Percutaneous Coronary Intervention/ae [Adverse Effects]
Percutaneous Coronary Intervention/is [Instrumentation]
Risk Assessment
Risk Factors
Time Factors
Treatment Outcome
Up-Regulation


MedStar Heart & Vascular Institute


Journal Article

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