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J Am Coll Cardiol. 2014 Dec 30;64(25):2717-26. doi: 10.1016/j.jacc.2014.09.074.

Coronary artery bypass graft surgery versus drug-eluting stents for patients with isolated proximal left anterior descending disease.

Author information

1
University at Albany, State University of New York, Albany, New York. Electronic address: elh03@health.state.ny.us.
2
University at Albany, State University of New York, Albany, New York.
3
Johns Hopkins University, Baltimore, Maryland.
4
Mayo Clinic, Rochester, Minnesota.
5
Albany Medical Center, Albany, New York.
6
Geisinger Medical Center, Danville, Pennsylvania.
7
Boston Medical Center, Boston, Massachusetts.
8
United Health Services, Binghamton, New York.
9
Yale School of Medicine, New Haven, Connecticut.
10
Mount Sinai Medical Center, New York, New York.
11
St. Joseph's Health System, Atlanta, Georgia.

Abstract

BACKGROUND:

Few recent studies have compared the outcomes of coronary artery bypass graft (CABG) surgery with percutaneous coronary interventions (PCIs) in patients with isolated (single vessel) proximal left anterior descending (PLAD) coronary artery disease in the era of drug-eluting stents (DES).

OBJECTIVES:

The goal of this study was to compare outcomes in patients with PLAD who underwent CABG and PCI with DES.

METHODS:

New York's Percutaneous Coronary Interventions Reporting System was used to identify and track all patients who underwent CABG surgery and received DES for isolated PLAD disease between January 1, 2008 and December 31, 2010, and who were followed-up through December 31, 2011. A total of 5,340 of 6,064 (88%) patients received DES. Patients were matched to vital statistics data to obtain mortality after discharge and matched to New York's administrative data to obtain readmissions for myocardial infarction (MI) and stroke. To minimize selection bias, patients were propensity matched into 715 CABG and/or DES pairs, and 3 outcome measures were compared across the pairs.

RESULTS:

Kaplan-Meier estimates for CABG and DES did not significantly differ for mortality or mortality, MI, and/or stroke, but repeat revascularization rates were lower for CABG (7.09% vs. 12.98%; p = 0.0007). After further adjustment with Cox proportional hazards models, there were still no significant differences in 3-year mortality rates (CABG and/or DES adjusted hazard ratio (AHR): 1.14; 95% confidence interval [CI]: 0.70 to 1.85) or mortality, MI, and/or stroke rates (AHR: 1.15; 95% CI: 0.76 to 1.73), and the repeat revascularization rate remained significantly lower for CABG patients (AHR: 0.54; 95% CI: 0.36 to 0.81).

CONCLUSIONS:

Despite the higher rating in current guidelines of CABG (Class IIa vs. Class IIb) for patients with isolated PLAD disease, there were no differences in mortality or mortality, MI, and/or stroke, although CABG patients had significantly lower repeat revascularization rates.

KEYWORDS:

CABG surgery; PCI; outcomes; proximal left anterior descending disease

PMID:
25541122
DOI:
10.1016/j.jacc.2014.09.074
[Indexed for MEDLINE]
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