Title: Creatine kinase-MB elevation after percutaneous coronary intervention predicts adverse outcomes in patients with acute coronary syndromes
Authors: Roe, M T ×
Mahaffey, K W
Kilaru, R
Alexander, J H
Akkerhuis, K M
Simoons, M L
Harrington, R A
Tardiff, B E
Granger, C B
Ohman, E M
Moliterno, D J
Lincoff, A M
Armstrong, P W
Van de Werf, Frans
Califf, R M
Topol, E J #
Issue Date: Feb-2004
Series Title: European heart journal vol:25 issue:4 pages:313-21
Abstract: AIM: To study the relationship between outcomes and peak creatine kinase (CK)-MB levels after percutaneous coronary intervention (PCI) in patients with non-ST-segment elevation acute coronary syndromes (NSTE ACS). METHODS AND RESULTS: Peak CK-MB ratios (peak CK-MB level/upper limit of normal [ULN]) after PCI were analysed in 6164 patients with NSTE ACS from four randomized trials who underwent in-hospital PCI. We excluded 696 patients with elevated CK or CK-MB levels <24h before PCI; the primary analysis included 2384 of the remaining 5468 patients (43.6%) with CK-MB levels measured <==24h after PCI. The incidence of in-hospital heart failure (0.1%, 0.8%, 3.4%, 4.1%, and 6.1%; P<0.001), arrhythmias (0.8%, 1.9%, 6.9%, 4.1%, and 7.9%; P<0.001), cardiogenic shock (0.1%, 1.3%, 2.0%, 2.3%, and 2.6%; P=0.004), and mortality through 6 months (2.1%, 2.4%, 4.9%, 4.1%, and 5.7%, P=0.005) was increased with peak CK-MB ratios of 0-1, 1-3, 3-5, 5-10, and >10xULN, respectively. The continuous peak CK-MB ratio after PCI significantly predicted adjusted 6-month mortality (risk ratio, 1.06 per unit increase above ULN; 95% confidence interval, 1.01-1.11; P=0.017). CONCLUSIONS: Greater CK-MB elevation after PCI is independently associated with adverse outcomes in NSTE ACS. These results underscore the adverse implications of elevated CK-MB levels after PCI in this high-risk population.
ISSN: 0195-668X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Cardiology
× corresponding author
# (joint) last author

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