Abstract:Studies were conducted on six conscious dogs instrumented for measurement of subendocardial segment lengths in the area perfused by the left anterior descending coronary artery (LAD) and left circumflex coronary artery (LCCA), LCCA flow, and left ventricular pressure. Externally inflatable occluders were placed around the proximal LAD and LCCA. Collateral channels sufficient for the resting metabolic demands in the occluded LCCA perfusion territory were induced by repeated, brief LCCA occlusions. Dogs were the… Show more
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