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Intraoperative Transit Time Flow Measurement: Off-Pump Versus On-Pump Coronary Artery Bypass
Wael Hassanein, MD, Alexander A. Albert, MD, Bert Arnrich, MS, Joerg Walter, PhD, Ina Carolin Ennker, MD, Ulrich Rosendahl, MD, Stefan Bauer, MD, Juergen Ennker, MD The Annals of Thoracic Surgery Volume 80, Issue 6, Pages (December 2005) DOI: /j.athoracsur Copyright © 2005 The Society of Thoracic Surgeons Terms and Conditions
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Fig 1 (A) Flow measurement tracing in a graft with pulsatile index (PI) of 1.4. (B) Flow measurement tracing in a graft with PI of 2.6. (C) Flow measurement tracing in a graft with PI of 8.1. (CX = graft to a branch from the circumflex [obtuse marginal]; LIMA = left internal mammary artery; RIVA = ramus interventricularis anterior; RIVP = ramus interventricularis posterior.) The Annals of Thoracic Surgery , DOI: ( /j.athoracsur ) Copyright © 2005 The Society of Thoracic Surgeons Terms and Conditions
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Fig 2 Cumulative distribution of pulsatile index (PI) in different coronary territories. (CPB = cardiopulmonary bypass; D = diagonal; LAD = left anterior descending; OM = obtuse marginal; OPCAB = off-pump coronary artery bypass grafting; RCA = right coronary artery.) The Annals of Thoracic Surgery , DOI: ( /j.athoracsur ) Copyright © 2005 The Society of Thoracic Surgeons Terms and Conditions
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