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The results are reported of investigation and surgery in 1O9 patients with angina pectoris who have undergone aorto-coronary bypass surgery. There were 7 hospital and no late deaths. Of5opatientsfollowedfor more than 6 months, 36 became symptomfree and afurther 12 improved. This clinical improvement was accompanied by significant increase in exercise performance which was related to the preoperative state of the left ventricle.
Balcon et al. (Sun,) studied this question.
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