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Utility of Peak Creatine Kinase-MB Measurements in Predicting Myocardial Infarct Size, Left Ventricular Dysfunction, and Outcome After First Anterior Wall Acute Myocardial Infarction (from the INFUSE-AMI Trial)
Infarct size after ST-segment elevation myocardial infarction (STEMI) is associated with long-term clinical outcomes. However, there is insufficient information correlating creatine kinase-MB (CK-MB) or troponin levels to infarct size and infarct location in first-time occurrence of STEMI. We, therefore, assessed the utility of CK-MB measurements after primary percutaneous coronary intervention of a first anterior STEMI using bivalirudin anticoagulation in patients who were randomized to intralesion abciximab versus no abciximab and to manual thrombus aspiration versus no aspiration.Comparison of Outcomes in Patients With ST-Segment Elevation Myocardial Infarction Discharged on Versus Not on Statin Therapy (from the Harmonizing Outcomes With Revascularization and Stents in Acute Myocardial Infarction Trial)
Statin therapy is indicated after ST-segment elevation myocardial infarction (STEMI) to reduce recurrent ischemic events, but approximately 6% of patients with STEMI do not receive a statin prescription at discharge. This substudy aimed to define the clinical outcomes and patient characteristics associated with statin nonprescription after STEMI. We compared clinical, angiographic, and procedural characteristics and in-hospital, 30-day, 1-year, 2-year, and 3-year outcomes in 3,512 patients discharged after STEMI with and without (6%) statin prescriptions in the harmonizing outcomes with revascularization and stents in acute myocardial infarction trial ( www.clinicaltrials.gov , NCT00433966 ).Association Among Leukocyte Count, Mortality, and Bleeding in Patients With Non–ST-Segment Elevation Acute Coronary Syndromes (from the Acute Catheterization and Urgent Intervention Triage StrategY [ACUITY] Trial)
Although inflammation is involved in the pathogenesis of acute coronary syndromes, the extent of inflammation is not routinely assessed, and its prognostic implications in patients with non–ST-segment elevation acute coronary syndrome have not been investigated in depth. We analyzed the prognostic implications of an elevated white blood cell count (WBCc) in patients with moderate and high-risk non–ST-segment elevation acute coronary syndrome undergoing an early invasive strategy in the large-scale Acute Catheterization and Urgent Intervention Triage StrategY trial.
