Effects of Intra-Aortic Balloon Pumping on Graft Flow in Coronary Surgery: An Intraoperative Transit-Time Flowmetric Study Yoshiyuki Takami, MD, Hiroshi.

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Presentation transcript:

Effects of Intra-Aortic Balloon Pumping on Graft Flow in Coronary Surgery: An Intraoperative Transit-Time Flowmetric Study Yoshiyuki Takami, MD, Hiroshi Masumoto, MD The Annals of Thoracic Surgery Volume 86, Issue 3, Pages 823-827 (September 2008) DOI: 10.1016/j.athoracsur.2008.05.018 Copyright © 2008 The Society of Thoracic Surgeons Terms and Conditions

Fig 1 Intraoperative recordings of transit-time flow measurement in a 76-year-old woman. The electrocardiogram-gated analysis identifies systolic (dark shadow) and diastolic (bright shadow) components of the graft flow, calculating diastolic filling index (DFI). (Upper Panel) In-situ left internal thoracic artery (LITA) anastomosed with the left anterior descending artery (LAD): mean graft flow (Qm) = 66 mL/min, pulsatility index (PI) = 1.3, DFI = 65% during intra-aortic balloon pump off (IABP-off); and Qm = 72 mL/min, PI = 2.1, DFI = 72% during IABP-on. (Lower panel) Aorta-coronary graft of radial artery (RA) anastomosed with the diagonal branch (DIAG): Qm = 36 mL/min, PI = 1.4, DFI = 64% during IABP-off; and Qm = 41 mL/min, PI = 2.3, DFI = 74% during IABP-on. The Annals of Thoracic Surgery 2008 86, 823-827DOI: (10.1016/j.athoracsur.2008.05.018) Copyright © 2008 The Society of Thoracic Surgeons Terms and Conditions