Journal of cardiothoracic and vascular anesthesia
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J. Cardiothorac. Vasc. Anesth. · Dec 1997
Comparative StudyComparison of the effects of red cell separation and ultrafiltration on heparin concentration during pediatric cardiac surgery.
To determine the effects of red cell separation and ultrafiltration on heparin concentration. ⋯ The plasma concentration of heparin increased after veno-venous modified UF of the patient. Heparin concentration also increased after UF of residual CPB circuit blood. In contrast, circuit blood hemoconcentrated by CS contained minimal heparin, and, when infused, did not increase patient's heparin concentration. ACT and thrombin time did not correlate with heparin concentration.