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

Garcia-Garcia, Hector M; McFadden, Eugène P; von Birgelen, Clemens; Rademaker-Havinga, Tessa; Spitzer, Ernest; Kleiman, Neal S; Cohen, David J; Kennedy, Kevin F; Camenzind, Edoardo; Mauri, Laura; Steg, Philippe Gabriel; Wijns, William; Silber, Sigmund; van Es, Gerrit-Anne; Serruys, Patrick W; Windecker, Stephan; Cutlip, Donald; Vranckx, Pascal (2019). Impact of Periprocedural Myocardial Biomarker Elevation on Mortality Following Elective Percutaneous Coronary Intervention. JACC. Cardiovascular Interventions, 12(19), pp. 1954-1962. Elsevier 10.1016/j.jcin.2019.07.014

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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. 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. 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. 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 × the upper limit of normal (ULN) and cTn ≥35 × ULN, while 92% had both CK-MB <5 × ULN and cTn <35 × ULN. Among patients with CK-MB ≥5 × ULN (n = 315), 212 (67.3%) also had cTn ≥35 × ULN. Conversely, 390 of patients (64.8%) who had cTn ≥35 × ULN did not have CK-MB ≥5 × ULN. A total of 259 patients (1.9%) died at 1 year; 20 (7.7%) had CK-MB ≥5 × ULN, and 23 (8.8%) had cTn ≥35 × 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. 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.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Cardiovascular Disorders (DHGE) > Clinic of Cardiology

UniBE Contributor:

Windecker, Stephan

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1876-7605

Publisher:

Elsevier

Language:

English

Submitter:

Nadia Biscozzo

Date Deposited:

10 Feb 2020 13:20

Last Modified:

10 Feb 2020 13:20

Publisher DOI:

10.1016/j.jcin.2019.07.014

PubMed ID:

31601389

Uncontrolled Keywords:

CK-MB cardiac troponin drug-eluting stent mortality percutaneous coronary intervention

BORIS DOI:

10.7892/boris.139065

URI:

https://boris.unibe.ch/id/eprint/139065

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