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Flow Capacity of Gastroepiploic Artery Versus Vein Grafts for Intermediate Coronary Artery Stenosis  Tsuyoshi Shimizu, MD, PhD, Hiroyuki Suesada, MD,

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Presentation on theme: "Flow Capacity of Gastroepiploic Artery Versus Vein Grafts for Intermediate Coronary Artery Stenosis  Tsuyoshi Shimizu, MD, PhD, Hiroyuki Suesada, MD,"— Presentation transcript:

1 Flow Capacity of Gastroepiploic Artery Versus Vein Grafts for Intermediate Coronary Artery Stenosis 
Tsuyoshi Shimizu, MD, PhD, Hiroyuki Suesada, MD, PhD, Masaaki Cho, MD, PhD, Shigeki Ito, MD, PhD, Katsusuke Ikeda, MD, PhD, Shin Ishimaru, MD, PhD  The Annals of Thoracic Surgery  Volume 80, Issue 1, Pages (July 2005) DOI: /j.athoracsur Copyright © 2005 The Society of Thoracic Surgeons Terms and Conditions

2 Fig 1 A Doppler guide wire placement was made by advancing it through the catheter into the graft and it was introduced to the distal portion of the graft (A) gastroepiploic artery and (B) saphenous vein graft. The arrow shows the tip of the wire. The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2005 The Society of Thoracic Surgeons Terms and Conditions

3 Fig 2 Flow velocity spectra of the gastroepiploic artery (GEA) versus the saphenous vein graft (SVG) in group S. (A) Baseline flow velocity spectra acquired at the distal portion of the GEA grafted to the posterior descending branch of the right coronary artery with 100% occlusion. (B) Flow velocity spectra during hyperemia at the same point as Figure 2A. (C) Baseline flow velocity spectra acquired at the distal portion of the SVG grafted to the posterolateral branch of the left circumflex artery with 100% occlusion. (D) Flow velocity spectra during hyperemia at the same point as Figure 2C. The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2005 The Society of Thoracic Surgeons Terms and Conditions

4 Fig 3 Flow velocity spectra of the gastroepiploic artery (GEA) versus the saphenous vein graft (SVG) in group M. (A) Baseline flow velocity spectra acquired at the distal portion of the GEA grafted to the posterolateral branch of the left circumflex artery with 60% stenosis. A swinging flow pattern (systolic retrograde and diastolic antegrade flow) was observed. (B) Flow velocity spectra during hyperemia at the same point as Figure 3A. (C) Baseline flow velocity spectra acquired at the distal portion of the SVG grafted to the posterolateral branch of the left circumflex artery with 70% stenosis. (D) Flow velocity spectra during hyperemia at the same point as Figure 3C. The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2005 The Society of Thoracic Surgeons Terms and Conditions

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