Cold blood cardioplegia reduces the increase in cardiac enzyme levels compared with cold crystalloid cardioplegia in patients undergoing aortic valve.

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Presentation transcript:

Cold blood cardioplegia reduces the increase in cardiac enzyme levels compared with cold crystalloid cardioplegia in patients undergoing aortic valve replacement for isolated aortic stenosis Bjørn Braathen, MD, Theis Tønnessen, MD, PhD The Journal of Thoracic and Cardiovascular Surgery Volume 139, Issue 4, Pages 874-880 (April 2010) DOI: 10.1016/j.jtcvs.2009.05.036 Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Panel A shows maximum (Max) postoperative creatine kinase isoenzyme MB (CK-MB) levels with blood and crystalloid cardioplegia. Panel B shows maximum postoperative troponin-T levels with blood and crystalloid cardioplegia. ∗P < .05 compared with blood cardioplegia. The Journal of Thoracic and Cardiovascular Surgery 2010 139, 874-880DOI: (10.1016/j.jtcvs.2009.05.036) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Panel A shows creatine kinase isoenzyme MB (CK-MB) levels preoperatively (Preop.) and 7, 20, 44, and 68hours (h) postoperatively (PO). Panel B shows troponin-T levels preoperatively and 7, 20, 44, and 68hours postoperatively. ∗P < .05 compared with preoperative values. The Journal of Thoracic and Cardiovascular Surgery 2010 139, 874-880DOI: (10.1016/j.jtcvs.2009.05.036) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 3 Panels A and B show no correlation between cardiac enzyme levels and crossclamp times in the group of patients receiving cold blood cardioplegia. Panels C and D show a positive correlation between cardiac enzyme levels and crossclamp times in the group of patients receiving cold crystalloid cardioplegia. Dashed lines show 95% confidence and prediction intervals. Max, Maximal; CK-MB, creatine kinase isoenzyme MB. The Journal of Thoracic and Cardiovascular Surgery 2010 139, 874-880DOI: (10.1016/j.jtcvs.2009.05.036) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions