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Choi Y. S. 1, Shim J. K. 1, Hong S. W. 2, Kim J. C. 1, Kwak Y. L. 1
1 Department of Anesthesiology and Pain Medicine and Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, South Korea;
2 Department of Anesthesiology and Pain Medicine, Kyungpook National University College of Medicine, Daegu, South Korea
AIM: This prospective, randomized and controlled trial compares the use of human albumin (HA) and hydroxyethyl starch (HES) 130/0.4 in the priming solution for a non-biocompatible cardiopulmonary bypass (CPB) circuit. The effects of each substance on coagulation, postoperative blood loss and pro-inflammatory activities were examined.
METHODS: Thirty-six adult patients undergoing mitral valvular heart surgery were randomly assigned to either the HA or HES group; 500 mL of 5% HA or 6% HES 130/0.4 were added to the priming solution of the CPB circuit for each group, respectively. Coagulation variables were measured perioperatively; these variables included thromboelastographic (TEG) parameters and pro-inflammatory markers such as interleukin (IL)-6, IL-8 and tumor necrotic factor (TNF)-a. Postoperative blood loss and transfusion requirements were also assessed.
RESULTS: There were no significant intergroup differences in the coagulation variables (including TEG parameters), serum concentrations of IL-6, IL-8 and TNF-a, and blood loss or transfusion requirements. TEG parameters, which indicate the speed of solid clot formation and the strength of the fibrin clot, decreased up to 4 hours after CPB in both groups. Serum concentrations of IL-6, IL-8 and TNF-a were higher up to 12 hours after surgery compared to baseline values in both groups. Hemoglobin levels and platelet counts were lower up to 12 hours after surgery compared to baseline values in both groups.
CONCLUSION: HES 130/0.4 was comparable to albumin as a component of the priming solution for a non-biocompatible CPB circuit. The two substances showed similar effects on coagulation variables, blood loss and pro-inflammatory activities in adult patients undergoing mitral valvular heart surgery.