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Published on: April 25, 2014
Coronary arterial anatomy in patients with left ventricular systolic dysfunction without chest pain or previous
W R Pitts1, R A Lange, L D Hillis
1Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas 75235-9047, USA.
Insights
Patients with left ventricular systolic dysfunction and no chest pain rarely have 3-vessel coronary artery disease. Consequently, bypass grafting is seldom a suitable option for these individuals.
Area of Science:
- Cardiology
- Cardiac Surgery
- Diagnostic Imaging
Background:
- Left ventricular systolic dysfunction (LVSD) impacts heart function.
- Coronary artery disease (CAD) is a major cause of cardiac events.
- Identifying suitable candidates for coronary artery bypass grafting (CABG) is crucial.
Purpose of the Study:
- To assess the prevalence of 3-vessel CAD in patients with LVSD.
- To determine the suitability of coronary anatomy for bypass grafting in this patient group.
Main Methods:
- Retrospective analysis of 108 patients with LVSD.
- Exclusion of patients with chest pain or prior myocardial infarction.
- Evaluation of coronary anatomy for revascularization potential.
Main Results:
- Only 3% (3 out of 108) of patients had 3-vessel CAD.
- Coronary anatomy was deemed unsuitable for bypass grafting in the majority of cases.
Conclusions:
- Patients with LVSD, absent chest pain, and no prior myocardial infarction have a low likelihood of significant 3-vessel CAD.
- Coronary artery bypass grafting is rarely indicated or suitable for this specific patient population.
Abstract:
Patients with left ventricular systolic dysfunction without chest pain or previous myocardial infarction are unlikely to have 3-vessel coronary artery disease and are very unlikely to have coronary anatomy suitable for bypass grafting. Of our 108 subjects, only 3 (3%) had 3-vessel coronary artery disease thought to be suitable for revascularization.
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