The effects of sodium concentration in reperfusion solution upon myocardial protection] |
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| Authors: | T Ohashi F Yamamoto H Yamamoto H Ichikawa T Shibata Y Shimada Y Kawashima |
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| Institution: | Department of Cardiovascular Surgery, National Cardiovascular Center, Osaka, Japan. |
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| Abstract: | The effects of several sodium concentrations in reperfusion solution (RS) were studied. Experimental time course was as follows: 20 min working perfusion, 3 min cardioplegic infusion with St. Thomas Cardioplegic Solution followed by global ischemia for 33 min at 37.5 degrees C, 15 min early Langendorff reperfusion with various sodium concentrations modified with Krebs Henseleit Bicarbonate Buffer (KHBB) and 5 min late reperfusion with KHBB, followed by 20 min working perfusion. Percent recoveries of aortic flow and Creatine Kinase leakage showed that 110 mM sodium of RS possessed optimal protective properties with bell shaped dose response characteristics. |
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