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Joseph F. Sabik, MD, Bruce W. Lytle, MD, Eugene H

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Presentation on theme: "Joseph F. Sabik, MD, Bruce W. Lytle, MD, Eugene H"— Presentation transcript:

1 Comparison of Saphenous Vein and Internal Thoracic Artery Graft Patency by Coronary System 
Joseph F. Sabik, MD, Bruce W. Lytle, MD, Eugene H. Blackstone, MD, Penny L. Houghtaling, MS, Delos M. Cosgrove, MD  The Annals of Thoracic Surgery  Volume 79, Issue 2, Pages (February 2005) DOI: /j.athoracsur Copyright © 2005 The Society of Thoracic Surgeons Terms and Conditions

2 Fig 1 Number of ITA grafts and SVGs observed angiographically each year after CABG. (CABG = coronary artery bypass grafting; ITA = internal thoracic artery; SVG = saphenous vein graft.) The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2005 The Society of Thoracic Surgeons Terms and Conditions

3 Fig 2 Unadjusted ITA graft and SVG patency by year after CABG. Numbers represent number of grafts studied at corresponding year after CABG. (CABG = coronary artery bypass grafting; ITA = internal thoracic artery; SVG = saphenous vein graft.) The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2005 The Society of Thoracic Surgeons Terms and Conditions

4 Fig 3 Differences in simulated predicted patency of ITA grafts and SVGs according to coronary artery grafted for each individual bypass graft. Positive differences represent percentage of bypass grafts with better ITA predicted patency, and negative differences represent percent of bypass grafts with better SVG predicted patency. (Cx = circumflex marginals; Dg = diagonals; ITA = internal thoracic artery; LAD = left anterior descending coronary artery; PDA = posterior descending artery; RCA = right coronary artery; SVG = saphenous vein graft.) The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2005 The Society of Thoracic Surgeons Terms and Conditions

5 Fig 4 Estimates of ITA and SVG patency by year after CABG. Graphs depict a 65-year-old male nondiabetic with proximal coronary stenosis = 70% undergoing CABG in 1974 (solution to multivariable equation in Table 3). (CABG = coronary artery bypass grafting; ITA = internal thoracic artery; SVG = saphenous vein graft.) The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2005 The Society of Thoracic Surgeons Terms and Conditions

6 Fig 5 Estimates of ITA patency by year after CABG and coronary artery grafted. Solid lines are point estimates; dashed lines are 70% confidence intervals. Graph depicts a 65-year-old male nondiabetic with proximal coronary artery stenosis = 70% undergoing CABG in 1974 (solution to multivariable equation in Table 3). (CABG = coronary artery bypass grafting; Cx = circumflex marginals; Dg = diagonals; ITA = internal thoracic artery; LAD = left anterior descending coronary artery; PDA = posterior descending artery.) The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2005 The Society of Thoracic Surgeons Terms and Conditions

7 Fig 6 Estimates of 1- and 10-year ITA and SVG patency according to coronary artery grafted and degree of proximal coronary stenosis. Solid lines are point estimates; dashed lines are 70% confidence intervals. Graphs depict a 65-year-old male nondiabetic undergoing CABG in 1974 (solution to multivariable equation in Table 3). (A) Grafts to the LAD 1 year after CABG. (B) Grafts to the LAD 10 years after CABG. (C) Grafts to the Dg, Cx, and PDA 1 year after CABG. (D) Grafts to the Dg, Cx, and PDA 10 years after CABG. (E) Grafts to the RCA 1 year after CABG. (F) Grafts to the RCA 10 years after CABG. (Cx = circumflex marginals; Dg = diagonals; ITA = internal thoracic artery; LAD = left anterior descending coronary artery; PDA = posterior descending artery; RCA = right coronary artery; SVG = saphenous vein graft.) The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2005 The Society of Thoracic Surgeons Terms and Conditions

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