Competitive flow in coronary bypass surgery: The roles of fractional flow reserve and arterial graft configuration Hugh S. Paterson, FRACS, Paul G. Bannon,

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Presentation transcript:

Competitive flow in coronary bypass surgery: The roles of fractional flow reserve and arterial graft configuration Hugh S. Paterson, FRACS, Paul G. Bannon, PhD, FRACS, David P. Taggart, MD, PhD, FRCS The Journal of Thoracic and Cardiovascular Surgery Volume 154, Issue 5, Pages 1570-1575 (November 2017) DOI: 10.1016/j.jtcvs.2017.05.087 Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Dye injection into a 12-year-old aortocoronary ITA graft with minimal back flush from the ITA orifice but with dye flowing freely back up the right coronary artery with the jet hitting the opposite side of the aortic wall. ITA, Internal thoracic artery; RCA, right coronary artery. The Journal of Thoracic and Cardiovascular Surgery 2017 154, 1570-1575DOI: (10.1016/j.jtcvs.2017.05.087) Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions

Bilateral ITA composite Y configuration. The Journal of Thoracic and Cardiovascular Surgery 2017 154, 1570-1575DOI: (10.1016/j.jtcvs.2017.05.087) Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions

Video 1 The angiogram in Figure 1 is displayed along with 7 examples of composite and sequential ITA grafts showing various effects of competitive flow with interpretation of the findings (6 minutes, 30 seconds). Video available at: http://www.jtcvsonline.org/article/S0022-5223(17)31149-2/addons. The Journal of Thoracic and Cardiovascular Surgery 2017 154, 1570-1575DOI: (10.1016/j.jtcvs.2017.05.087) Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions