Prediction of clinical outcome after mechanical revascularization in acute myocardial infarction by markers of myocardial reperfusion
Philipp K. Haager, MD*,
Philipp Christott*,
Nicole Heussen ,
Wolfgang Lepper, MD*,
Peter Hanrath, MD, FACC, FESC* and
Rainer Hoffmann, MD, FESC*,*
* Medical Clinic I, University Hospital RWTH, Aachen, Germany
Department of Biomedical Statistics, University Hospital RWTH, Aachen, Germany
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Figure 1 Cumulative survival in 253 patients after mechanical revascularization for acute myocardial infarction stratified by myocardial blush grades (MBG, left), corrected TIMI frame counts (CTFC, middle) and persistent ST-segment elevation in  2 or >2 electrocardiographic (ECG) leads after PTCA (percutaneous transluminal coronary angioplasty) (ECG post PTCA, n = 220, right). P values represent log-rank for trend. MI = myocardial infarction.
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Figure 2 Receiver operator characteristics (ROC) curves for mortality during follow up. The ROC curve indicated by the dashed line used only myocardial blush grade (MBG) analysis, area under the curve = 0.63. The solid line used MBG analysis in combination with number of ECG leads demonstrating persistent ST-segment elevation, area under the curve = 0.71.
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Figure 3 Cumulative survival in 253 patients after angioplasty for acute myocardial infarction stratified by status of myocardial reperfusion defined by blush grade and subgrouped by number of electrocardiographic (ECG) leads with persistent ST-segment elevation postangioplasty. MBG = myocardial blush grade.
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