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  • Title: Off-Pump Coronary Artery Bypass Grafts Assessment by Multislice Computed Tomography.
    Author: Demaria RG, Vernhet H, Battistella P, Frapier JM, Rouvière P, Albat B.
    Journal: Heart Surg Forum; 2004 Jan 01; 7(1):51-54. PubMed ID: 14980852.
    Abstract:
    Abstract Background: Selective coronary angiography is the standard but invasive procedure for postoperative assessment of coronary artery bypass graft patency. The aim of this prospective study is to evaluate the multislice computed tomography (CT) as a means of postoperative patency assessment and anastomotic site control of arterial and venous coronary bypass grafts performed with off-pump coronary artery bypass techniques. Methods: Over a 6-month period, 20 patients underwent isolated coronary artery bypass (beating heart technique) and benefited, 7 days later, from a patency and anastomotic site control by multidetector angio multislice CT with cardiac gating. Results: Whole internal thoracic artery bypasses and venous grafts were visualized perfectly on their entire length, including the anastomotic site, and 3-dimensional reconstruction was possible. The relationship between cardiac cavities and the bypasses were well visualized, allowing quantification of bypass stenosis ensured by software analysis. Conclusions: Postoperative control of coronary bypasses is possible by multislice CT with a very satisfactory resolution, thus making it possible to check the patency of coronary bypasses and the quality of anastomosis with a noninvasive method. Three-dimensional reconstructions are very useful in the event of redo surgery.
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