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Fate of the Hypoplastic Proximal Aortic Arch in Infants Undergoing Repair for Coarctation of the Aorta Through a Left Thoracotomy  Yasuhiro Kotani, MD,

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Presentation on theme: "Fate of the Hypoplastic Proximal Aortic Arch in Infants Undergoing Repair for Coarctation of the Aorta Through a Left Thoracotomy  Yasuhiro Kotani, MD,"— Presentation transcript:

1 Fate of the Hypoplastic Proximal Aortic Arch in Infants Undergoing Repair for Coarctation of the Aorta Through a Left Thoracotomy  Yasuhiro Kotani, MD, PhD, Shirley Anggriawan, MD, Devin Chetan, HBA, Lisa Zhao, Nishanthi Liyanage, MD, Arezou Saedi, MD, Luc L. Mertens, MD, PhD, Christopher A. Caldarone, MD, Glen S. Van Arsdell, MD, Osami Honjo, MD, PhD  The Annals of Thoracic Surgery  Volume 98, Issue 4, Pages (October 2014) DOI: /j.athoracsur Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

2 Fig 1 Correlation between proximal aortic arch (PAA) z-score and PAA dimension corrected for body weight. There was a strong positive correlation between z-score and PAA dimension corrected for body weight (PAA dimension [mm] − body weight [kg]). The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

3 Fig 2 Change in proximal aortic arch (PAA) z-scores after extended end-to-end anatostomosis. (A) Tubular hypoplasia of the aortic arch (THAA). (B) non-THAA. Patients with THAA had PAA catch-up growth, and there was no difference in PAA size at follow-up between the groups. Two patients who underwent surgical reintervention for PAA obstruction had a preoperative PAA z-score of less than −8. In contrast, patients with preoperative PAA z-scores over −6 had adequate PAA growth. The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

4 Fig 3 Freedom from reintervention was comparable between the group with tubular hypoplasia of the aortic arch (THAA) and the non-THAA group. The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

5 Fig 4 Correlation between proximal aortic arch (PAA) z-score at discharge and follow-up. There was a positive correlation between PAA z-score at discharge and follow-up, suggesting that PAA growth can be predicted by PAA size at the time of discharge. However, 2 patients who underwent reintervention related to PAA obstruction (circled) had PAA z-scores at discharge of −7.4 and −1.8, respectively, indicating failure to predict reintervention. The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

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