PMID: 3773498Oct 1, 1986Paper

Cardiac temperature and cardioplegic volume during cardiopulmonary bypass

The Journal of Surgical Research
E M BaileP D Pare

Abstract

This study was designed to compare two methods of cardiac drainage on the rate of change of cardiac temperature and volume of cardioplegic solution required to maintain the cardiac temperature less than or equal to 12 degrees C in patients undergoing coronary artery bypass surgery. Two groups of 10 patients were studied who were comparable in age, sex, and smoking history. In Group 1, cardiac drainage was achieved by using single-port drainage cannulae in the superior and inferior vena cava with caval tapes. Group 2 patients had a caval atrial cannula to drain the noncoronary collateral flow from the right atrium as well as that from the venae cavae. Both groups had a sump line in the left ventricle to drain the bronchopulmonary anastomotic blood flow. Results from the study showed that there was no difference between groups in the initial amount of cold cardioplegic solution required to arrest and cool the heart or the initial recording of ventricular temperatures. However, the volume of cardioplegic solution required to maintain the cardiac temperature at less than or equal to 12 degrees C after administration of the initial volume was less (P less than 0.05) for Group 2 than Group 1. Group 2 also had a slower rate of increas...Continue Reading

References

Apr 1, 1975·The Annals of Thoracic Surgery·J BrazierG Buckberg
Jan 1, 1979·The Annals of Thoracic Surgery·F L Rosenfeldt, D A Watson
Jan 1, 1982·Annual Review of Medicine·B A Reitz

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