Comparison of the effectiveness and safety of a new de-airing technique with a standardized carbon dioxide insufflation technique in open left heart surgery:

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Presentation transcript:

Comparison of the effectiveness and safety of a new de-airing technique with a standardized carbon dioxide insufflation technique in open left heart surgery: A randomized clinical trial Faleh Al-Rashidi, MD, Maya Landenhed, MD, Sten Blomquist, MD, PhD, Peter Höglund, MD, PhD, Per-Axel Karlsson, EBCP, Leif Pierre, CCP, BSc, Bansi Koul, MD, PhD The Journal of Thoracic and Cardiovascular Surgery Volume 141, Issue 5, Pages 1128-1133 (May 2011) DOI: 10.1016/j.jtcvs.2010.07.013 Copyright © 2011 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 TEE 3-chamber view monitoring of gas emboli during the first 10 minutes after weaning from CPB in Lund (A) and CO2 (B) groups. At the end of the first 3 minutes, a significantly higher (P = .00634) number of patients showed grade I or more gas emboli in the CO2 group. ∗Grade 0, no residual gas emboli; grade I, gas emboli observed in 1 of the 3 anatomic areas during 1 cardiac cycle (left atrium, LV, aortic root); grade II, gas emboli observed simultaneously in 2 of the 3 anatomic areas during 1 cardiac cycle; grade III, gas emboli observed simultaneously in all 3 anatomic areas during 1 cardiac cycle. TEE, Transesophageal echocardiography; CPB, cardiopulmonary bypass. The Journal of Thoracic and Cardiovascular Surgery 2011 141, 1128-1133DOI: (10.1016/j.jtcvs.2010.07.013) Copyright © 2011 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Number of MES as registered by TCD from both middle cerebral arteries during de-airing and the first 10-minute observation period after weaning from CPB. ∗∗P = .001699, ∗∗∗P = .0008768, .0003772, and .0005186 in order of their appearance in the figure. MES, Microembolic signals; CPB, cardiopulmonary bypass. The Journal of Thoracic and Cardiovascular Surgery 2011 141, 1128-1133DOI: (10.1016/j.jtcvs.2010.07.013) Copyright © 2011 The American Association for Thoracic Surgery Terms and Conditions