Following myocardial re-vascularization, coronary artery disease (CHD) patients who are asymptomatic should be re-evaluated to check for silent myocardial ischemia (SMI).
In CHD patients, SMI is an important predictor of adverse outcome which can be clinically improved by effectively suppressing ischemia with g-blockers, say researchers at the
Thrombosis Research Institute and Central Middlesex Hospital , London, England.
Currently, however, it is common clinical practice to stop treatment with g-blockers following
coronary artery bypass graft (CABG) and/or myocardial re-vascularization (PTCA/Stent) in clinically asymptomatic patients.
In this study, 36 subjects with asymptomatic CHD were examined after coronary artery bypass graft, 15 were examined following percutaneous coronary angioplasty PTCA/stent, and five underwent both.
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