Ventricular Resynchronization by Multisite Pacing Improves Myocardial Performance in the Postoperative Single-Ventricle Patient Emile A. Bacha, MD, Frank.

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Presentation transcript:

Ventricular Resynchronization by Multisite Pacing Improves Myocardial Performance in the Postoperative Single-Ventricle Patient Emile A. Bacha, MD, Frank J. Zimmerman, MD, Victor Mor-Avi, MD, PhD, Lynn Weinert, BS, Joanne P. Starr, MD, Lissa Sugeng, MD, Roberto M. Lang, MD The Annals of Thoracic Surgery Volume 78, Issue 5, Pages 1678-1683 (November 2004) DOI: 10.1016/j.athoracsur.2004.04.065

Fig 1 Regional volume curves (change in volume [regional endocardial displacement in three dimensions] with time for an entire cardiac cycle) obtained from 16 ventricular segments (from apex to base) in a 6-month-old patient with unbalanced atrioventricular canal and bidirectional Glenn shunt; multisite pacing study on postoperative day 4. (Left panel) Baseline. (Right panel) With pacing. The Annals of Thoracic Surgery 2004 78, 1678-1683DOI: (10.1016/j.athoracsur.2004.04.065)

Fig 2 Change in QRS duration at baseline and after multisite pacing. Data depicted as mean ± standard deviation. The Annals of Thoracic Surgery 2004 78, 1678-1683DOI: (10.1016/j.athoracsur.2004.04.065)

Fig 3 Change in systolic blood pressure (SBP) at baseline and after multisite pacing. Data depicted as mean ± standard deviation. The Annals of Thoracic Surgery 2004 78, 1678-1683DOI: (10.1016/j.athoracsur.2004.04.065)

Fig 4 Change in cardiac index (CI) at baseline and after multisite pacing. Data depicted as mean ± standard deviation. The Annals of Thoracic Surgery 2004 78, 1678-1683DOI: (10.1016/j.athoracsur.2004.04.065)

Fig 5 Asynchrony index as assessed by real-time three-dimensional echocardiography at baseline and after multisite pacing. Data depicted as mean ± standard deviation. The Annals of Thoracic Surgery 2004 78, 1678-1683DOI: (10.1016/j.athoracsur.2004.04.065)