Surgical Repair Is the Treatment of Choice for Native Aortic Coarctation in Children and Young Adults

The Borderline Left Ventricle: What is it? Recruit it or Forget it? James S. Tweddell, MDChildrens Hospital of Wisconsin.Professor of Surgery and Pediatrics,Cardiothoracic Surgery,Medical College of Wisconsin.

The Herma Heart Center, Childrens Hospital of Wisconsin

American Association for Thoracic SurgerySeattle, WA, April 25, 2015DisclosuresFinancial disclosures Consultant for CorMatrixOff label use of drugs or devices -None

The borderline left ventricleCongenital malformations with a moderately hypoplastic left ventricle in which intervention is required in the neonatal periodCritical aortic stenosis (HLHS AS/MS)Lesions where coarctation/arch hypoplasia is a constant finding with or without VSDCoarctation with non-apex forming right ventricleHypoplastic left heart complexCritical aortic stenosisOne of first lesion to be studiedHow small is too small?

Kearney DL Sem Cardiothorac Vasc Anesth 2013Aortic valve stenosisRisk factors for poor outcome1981-Latson LV cross-sectional area 26mmHg, LVEF < 42%1987 Pelech Pre-op shock/CHF, cardiomegaly, RVH, mitral valve 20mmHg, LVEF < 40%1988 Hammon- LVEDV < 20ml/m2 and MPAP > 50mmHg1989 Zeevi LVEDV < 60-80%1990 Karl LVEDV < 60%, non-apex forming LV1991 Leung-mitral valve