with results expressed as the percent of infarcted myocardium within the region at risk , group 2 hearts , which received only antegrade cardioplegia , had a mean infarct size of 44.8 +/- 6.3 % , a 2.2-fold increase over controls ( p less than 0.05 ) .
C0027051
infarcted myocardium
C0021308
infarct