Aortic valve reconstruction using autologous pericardium for patients aged less than 60 years Shigeyuki Ozaki, MD, PhD, Isamu Kawase, MD, PhD, Hiromasa.

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Presentation transcript:

Aortic valve reconstruction using autologous pericardium for patients aged less than 60 years Shigeyuki Ozaki, MD, PhD, Isamu Kawase, MD, PhD, Hiromasa Yamashita, MD, Yukinari Nozawa, MD, Mikio Takatoh, MD, So Hagiwara, MD, Nagaki Kiyohara, MD The Journal of Thoracic and Cardiovascular Surgery Volume 148, Issue 3, Pages 934-938 (September 2014) DOI: 10.1016/j.jtcvs.2014.05.041 Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Age distribution of all 108 patients in the current study. The Journal of Thoracic and Cardiovascular Surgery 2014 148, 934-938DOI: (10.1016/j.jtcvs.2014.05.041) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Mechanism and effect of the encircling felt strip at the commissural level. The Journal of Thoracic and Cardiovascular Surgery 2014 148, 934-938DOI: (10.1016/j.jtcvs.2014.05.041) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 3 A, Survival curve after aortic valve reconstruction of 108 patients aged less than 60 years. B, Freedom from reoperation curve after aortic valve reconstruction of 108 patients aged less than 60 years. The Journal of Thoracic and Cardiovascular Surgery 2014 148, 934-938DOI: (10.1016/j.jtcvs.2014.05.041) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 4 Transition of averaged peak pressure gradient through the aortic valve from preoperative data to postoperative follow-up: Comparative study among 3 patients’ subgroups of preoperative tricuspid, bicuspid, and unicuspid aortic valves. BAV, Bicuspid aortic valve; LV-Ao, left ventricular-aortic; TAV, tricuspid aortic valve; UAV, unicuspid aortic valve. The Journal of Thoracic and Cardiovascular Surgery 2014 148, 934-938DOI: (10.1016/j.jtcvs.2014.05.041) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 5 A, Operative view of pre- (a) and post- (b) tricuspidized repair of unicuspid aortic valve in a 14-year-old boy. B, Preoperative echocardiography of unicuspid aortic valve in a 14-year-old boy (a) and diastolic and systolic phases of tricuspidized valve 3.5 years after operation (b, c). C, Average peak pressure gradient through the aortic valve in patients aged less than 40 years (red line indicates transition of peak pressure gradient in a 14-year-old boy with congenital unicuspid valve). D, Average aortic valve annular diameter in patients aged less than 40 years (red line indicates transition of aortic valve annular diameter in a 14-year-old boy with congenital unicuspid valve). LV-Ao, Left ventricular-aortic. The Journal of Thoracic and Cardiovascular Surgery 2014 148, 934-938DOI: (10.1016/j.jtcvs.2014.05.041) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions