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Contemporary Bloodletting in Cardiac Surgical Care
Colleen G. Koch, MD, MS, Edmunds Z. Reineks, MD, PhD, Anne S. Tang, MS, Eric D. Hixson, PhD, MBA, Shannon Phillips, MD, Joseph F. Sabik, MD, J. Michael Henderson, MD, Eugene H. Blackstone, MD The Annals of Thoracic Surgery Volume 99, Issue 3, Pages (March 2015) DOI: /j.athoracsur Copyright © 2015 The Society of Thoracic Surgeons Terms and Conditions
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Fig 1 Algorithm for phlebotomy volume. (CVICU=cardiovascular intensive care unit.) The Annals of Thoracic Surgery , DOI: ( /j.athoracsur ) Copyright © 2015 The Society of Thoracic Surgeons Terms and Conditions
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Fig 2 Phlebotomy volume by 25th, 50th, 75th, and 100th percentile groups, and percentage of patients transfused with red blood cells (RBC), cryoprecipitate (Cryo), fresh frozen plasma (FFP), and platelets. Transfusion requirements increase in a dose-dependent manner with increasing phlebotomy volume. The Annals of Thoracic Surgery , DOI: ( /j.athoracsur ) Copyright © 2015 The Society of Thoracic Surgeons Terms and Conditions
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Fig 3 Hospital length of stay and cumulative median phlebotomy volume. The numbers above each bar represent the number of patients with that length of stay and median phlebotomy volume. As length of stay increases, the median phlebotomy volume increases in a dose-dependent manner. The Annals of Thoracic Surgery , DOI: ( /j.athoracsur ) Copyright © 2015 The Society of Thoracic Surgeons Terms and Conditions
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Fig 4 Hospital length of stay, median phlebotomy volume, and percentage of patients transfused. The size of the bubble is proportional to the percentage of transfused red blood cells. The figure demonstrates that longer hospital stay was associated with greater median phlebotomy volume and a greater percentage of patients requiring red blood cell transfusion. (A) Horizontal axis extends to 275 days. (B) Horizontal axis extends to only 40 days, which illustrates the near linear relationship. The Annals of Thoracic Surgery , DOI: ( /j.athoracsur ) Copyright © 2015 The Society of Thoracic Surgeons Terms and Conditions
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