Increased common atrioventricular valve tenting is a risk factor for progression to severe regurgitation in patients with a single ventricle with unbalanced.

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Presentation transcript:

Increased common atrioventricular valve tenting is a risk factor for progression to severe regurgitation in patients with a single ventricle with unbalanced atrioventricular septal defect Chodchanok Vijarnsorn, MD, Nee Scze Khoo, MD, Edythe B. Tham, MD, Timothy Colen, MD, Ivan M. Rebeyka, MD, Jeffrey F. Smallhorn, MD The Journal of Thoracic and Cardiovascular Surgery Volume 148, Issue 6, Pages 2580-2588 (December 2014) DOI: 10.1016/j.jtcvs.2014.08.005 Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Method of echocardiographic measurements: tenting height of common valve (red line), tenting height from interventricular crest (purple line), annular to leaflet angle of dominant ventricle (), and annular to leaflet angle of nondominant (or hypoplastic) ventricle (). Annular to interventricular septum (IVS) angle, defined as the angle between the annular plane to the crest of the IVS. RV, Right ventricle; LV, left venticle; uAVSD, unbalanced atrioventricular septal defect. The Journal of Thoracic and Cardiovascular Surgery 2014 148, 2580-2588DOI: (10.1016/j.jtcvs.2014.08.005) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Flow chart of participants in the study. uAVSD, Unbalanced atrioventricular septal defect; AVVR, atrioventricular valve regurgitation; F/U, follow-up; BCPA, bidirectional cavopulmonary anastamosis. The Journal of Thoracic and Cardiovascular Surgery 2014 148, 2580-2588DOI: (10.1016/j.jtcvs.2014.08.005) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 3 Comparison of mean tenting height index (end diastole [ED] and end systole [ES]) at a first presentation, before bidirectional cavopulmonary anastomosis (pre-BCPA), post-BCPA, and at the most recent visit between Group A: patients without or with only mild atrioventricular valve regurgitation (AVVR) (n = 17), Group B: patients with moderate to severe AVVR at initial presentation and at follow-up (n = 6), and Group C: patients with mild AVVR at presentation but who developed severe moderate to severe AVVR at their pre-BCPA echocardiogram (n = 9) using analysis of variance statistics. The Journal of Thoracic and Cardiovascular Surgery 2014 148, 2580-2588DOI: (10.1016/j.jtcvs.2014.08.005) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions