CLS 2210, Hyaluronidase and the Cardiac Lymphatic System

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Abstract
Earlier studies have shown that hyaluronidase exerts a potent influence upon the lymphatic system of the myocardium and that it reduces the size of myocar dial infarcts after coronary occlusion. In this study we compared, in mongrel dogs, the effect of intravenous hyaluronidase or CLS 2210 upon the cardiac lymphatic vessels. We observed that in CLS 2210-treated animals the number of visualized cardiac lymphatic vessels was significantly higher than in the hyal uronidase-treated control group. We have previously demonstrated a cardio- protective effect of hyaluronidase in the treatment of acute myocardial infarction. The present experimental data indicate that intravenous CLS 2210 may have a definite role in the management of acute coronary occlusion. Fur ther studies are needed to confirm these preliminary findings.