Why the study?
Does coronary bypass surgery improve symptoms and survival in patients with unstable angina and severe obstructive coronary disease compared to medical treatment?
Does coronary bypass surgery improve symptoms and survival in patients with unstable angina and severe obstructive coronary disease compared to medical treatment?
Coronary bypass surgery provides significant symptomatic relief and survival benefits for patients with unstable angina and severe multi-vessel coronary artery disease compared to medical therapy alone.
Supports CABG benefits in multi-vessel disease; leaves open prospective validation versus modern therapy in unstable angina.
Unstable angina pectoris encompasses a broad spectrum of clinical subsets with varying prognoses. It is impossible to identify which patients have severe obstructive coronary disease and, therefore, coronary arteriography should be employed. In patients with severe obstructive disease, coronary bypass surgery has resulted in dramatic symptomatic improvement and has improved the survival of patients with 2‐and 3‐vessel disease, as compared to medically treated groups. Aggressive preoperative medical management coupled with improved anesthetic and surgical techniques have aided in the salvage of these unstable patients .
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Hatcher et al. (1978) studied this question.
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