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Prevalence, Predictors, and Impact of Conservative Medical Management for Patients With Non-ST-Segment Elevation Acute Coronary Syndromes Who Have Angiographically Documented Significant Coronary Disease
Prevalence, Predictors, and Impact of Conservative Medical Management for Patients With Non-ST-Segment Elevation Acute Coronary Syndromes Who Have Angiographically Documented Significant Coronary Disease JACC-CARDIOVASCULAR INTERVENTIONS Chan, M. Y., Mahaffey, K. W., Sun, L. J., Pieper, K. S., White, H. D., Aylward, P. E., Ferguson, J. J., Califf, R. M., Roe, M. T. 2008; 1 (4): 369-378Abstract
We sought to characterize the utilization and impact of a conservative medical management strategy for patients with non-ST-segment elevation acute coronary syndromes (NSTE ACS) and significant coronary artery disease on early angiography.Practice guidelines recommend an early invasive management strategy for NSTE ACS, but revascularization procedures may not always be performed after early angiography, even when significant coronary artery disease is present.We evaluated 8,225 intermediate- to high-risk NSTE ACS patients with at least 1 coronary lesion >50% stenosis on early angiography from the SYNERGY (Superior Yield of the New Strategy of Enoxaparin, Revascularization, and Glycoprotein IIb/IIIa Inhibitors) trial (2001 to 2003), comparing patients treated with conservative medical management with those who underwent in-hospital percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) within 7 days of randomization.A total of 2,633 patients (32%) were medically managed, 4,294 (52%) underwent PCI, and 1,298 (16%) underwent CABG. The strongest independent predictors of conservative medical management versus any intervention were prior CABG, lower body weight, lack of a reinfarction between randomization and catheterization, and 3-vessel disease. With conservative medical management, the cumulative risk of 1-year mortality after discharge increased rapidly during the first 90 days and thereafter remained higher at 7.7% compared with that seen in patients treated with PCI (3.6%) or CABG (6.2%).One-third of patients with NSTE ACS and significant coronary disease on early angiography were managed without in-hospital revascularization in the SYNERGY trial, and these patients had an increased risk of late mortality. These findings highlight the need for novel treatment approaches for NSTE ACS patients who are not candidates for revascularization. (SYNERGY trial; NCT00043784).
View details for Web of Science ID 000207586200005
View details for PubMedID 19463332