Analysis of the learning curve for beating heart, totally endoscopic, coronary artery bypass grafting Nan Cheng, MD, Changqing Gao, MD, Ming Yang, MD,

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Presentation transcript:

Analysis of the learning curve for beating heart, totally endoscopic, coronary artery bypass grafting Nan Cheng, MD, Changqing Gao, MD, Ming Yang, MD, Yang Wu, MD, Gang Wang, MD, Cangsong Xiao, MD The Journal of Thoracic and Cardiovascular Surgery Volume 148, Issue 5, Pages 1832-1836 (November 2014) DOI: 10.1016/j.jtcvs.2014.02.002 Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 A, Learning curve with 230 patients who underwent totally endoscopic coronary artery bypass grafting (TECAB) in terms of the robotic left internal thoracic artery (LITA) harvesting time [y(min) = 37 − 3 × ln(x); r2 = 0.097, P = .003], with y indicating the LITA takedown time and x, the consecutive LITA takedown number. B and C, The learning curves for the 90 patients who underwent TECAB in terms of the operative time [y(min) = 223 − 17 × ln(x); r2 = 0.217, P = .000], and LIMA–LAD anastomotic time [y(min) = 18 − 2 × ln(x); r2 = 0.298, P = .000], with x indicating the consecutive TECAB number. D, The mean transit blood flow was 35.6 mL/min, and no significant learning curve was present. LAD, Left anterior descending artery. The Journal of Thoracic and Cardiovascular Surgery 2014 148, 1832-1836DOI: (10.1016/j.jtcvs.2014.02.002) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions