Epicardial 10-MHz ultrasound in off-pump coronary bypass surgery: A clinical feasibility study using a minitransducer Jan H.R. Eikelaar, MD, Rudy Meijer,

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Presentation transcript:

Epicardial 10-MHz ultrasound in off-pump coronary bypass surgery: A clinical feasibility study using a minitransducer Jan H.R. Eikelaar, MD, Rudy Meijer, Wim Jan van Boven, MD, Patrick Klein, Paul F. Gründeman, MD, PhD, Cornelius Borst, MD, PhD The Journal of Thoracic and Cardiovascular Surgery Volume 124, Issue 4, Pages 785-789 (October 2002) DOI: 10.1067/mtc.2002.122550 Copyright © 2002 American Association for Thoracic Surgery Terms and Conditions

Fig. 1 A 10-MHz minitransducer between suction pods of Octopus 3 stabilizer positioned along the LAD. The Journal of Thoracic and Cardiovascular Surgery 2002 124, 785-789DOI: (10.1067/mtc.2002.122550) Copyright © 2002 American Association for Thoracic Surgery Terms and Conditions

Fig. 2 Images from a 10-MHz minitransducer. A, Optimal anastomotic site. No plaque and no perforating side branches were detected with color Doppler ultrasonography. B, Septal perforating side branch of LAD (arrow) was detected in B-mode, as well as partially intramural LAD course. C, Septal perforating side branch of LAD (arrow) was detected in color Doppler mode. D, Severely diseased segment of LAD (dotted lines) with atheromatous plaque and calcific deposits (closed arrowheads) and a part of the artery relatively free of plaque (open arrowhead) were detected. The arrow indicates the lumen. The Journal of Thoracic and Cardiovascular Surgery 2002 124, 785-789DOI: (10.1067/mtc.2002.122550) Copyright © 2002 American Association for Thoracic Surgery Terms and Conditions

Fig. 3 Images from a 10-MHz minitransducer: A, B-mode image of internal thoracic artery-LAD anastomosis, with direction of flow from left to right; B, anastomotic target site (same as in A) dictated by graft length and anastomosis opposite to septal perforating side branch (arrow). During construction of the anastomosis, the site was scored as requiring minimal flushing. Diameter reduction by plaque in distal LAD was shown (open arrow). The Journal of Thoracic and Cardiovascular Surgery 2002 124, 785-789DOI: (10.1067/mtc.2002.122550) Copyright © 2002 American Association for Thoracic Surgery Terms and Conditions