Cardiopulmonary bypass flow rate: A risk factor for hyperlactatemia after surgical repair of secundum atrial septal defect in children Boban P. Abraham,

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Presentation transcript:

Cardiopulmonary bypass flow rate: A risk factor for hyperlactatemia after surgical repair of secundum atrial septal defect in children Boban P. Abraham, MD, Parthak Prodhan, MBBS, Robert D.B. Jaquiss, MD, Adnan T. Bhutta, MD, Jeffrey M. Gossett, MS, Michiaki Imamura, MD, PhD, Charles E. Johnson, RN, CCP, Michael L. Schmitz, MD, William R. Morrow, MD, Umesh Dyamenahalli, MD The Journal of Thoracic and Cardiovascular Surgery Volume 139, Issue 1, Pages 170-173 (January 2010) DOI: 10.1016/j.jtcvs.2009.04.060 Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Oxygen delivery is significantly correlated with pump flow, leading to the assumption that oxygen delivery is dependent on pump flow. The Journal of Thoracic and Cardiovascular Surgery 2010 139, 170-173DOI: (10.1016/j.jtcvs.2009.04.060) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Hyperlactatemia is inversely related to pump flow and oxygen delivery. The Journal of Thoracic and Cardiovascular Surgery 2010 139, 170-173DOI: (10.1016/j.jtcvs.2009.04.060) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 3 Pump flow rate (mL/min/kg) decreases with increasing weight of the child. The Journal of Thoracic and Cardiovascular Surgery 2010 139, 170-173DOI: (10.1016/j.jtcvs.2009.04.060) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions