e185 Evidence-based management guidelines for valvular heart disease that provides recommendations for management of aortic valve disease as well as timing of valve intervention Hickey EJ, Caldarone CA, Blackstone EH, et al Biventricular strategies for neonatal critical aortic stenosis: high mortality associated with early reintervention J Thorac Cardiovasc Surg 2012;144(2):409–417 [417.e1] A multi-instituational study that evaluated risk factors for re-intervention and mortality in neonates with critical aortic valve stenosis Several morphologic characteristics may help identify which neonates have better outcomes with univentricular versus biventricular repair strategy Hill GD, Ginde S, Rios R, Frommelt PC, Hill KD Surgical valvotomy versus balloon valvuloplasty for congenital aortic valve stenosis: a systematic review and Meta-analysis J Am Heart Assoc 2016;5(8) A meta-analysis comparing the outcomes of survival and need for reintervention in patients with congenital aortic valve stenosis that have undergone either surgical or transcatheter intervention Cox DA, Walton K, Bartz PJ, et al Predicting left ventricular recovery after replacement of a regurgitant aortic valve in pediatric and young adult patients: is it ever too late? Pediatr Cardiol 2013;34(3):694–699 One of the few pediatric studies that evaluated the optimal timing for aortic valve intervention in asymptomatic children with chronic severe aortic regurgitation Hraska V, Krajci M, Haun C, et al Ross and RossKonno procedure in children and adolescents: mid-term results Eur J Cardiothorac Surg 2004;25(5):742–747 A single-center study demonstrating excellent results over a 7 year period following the Ross procedure in pediatric patients with aortic valve disease References Jordan SC, Scott O Heart Disease in Paediatrics Butterworth: London; 1973 Roberts WC The congenitally bicuspid aortic valve A study of 85 autopsy cases Am J Cardiol 1970;26(1):72–83 Roberts WC The structure of the aortic valve in clinically isolated aortic stenosis: an autopsy study of 162 patients over 15 years of age Circulation 1970;42(1):91–97 Sievers HH, Hemmer W, Beyersdorf F, et al The everyday used nomenclature of the aortic root components: the tower of Babel? Eur J Cardiothorac Surg 2012;41(3):478–482 Anderson RH Demystifying the anatomic arrangement of the aortic valve Eur J Cardiothorac Surg 2006;29(6):1006–1007 Anderson RH Editorial note: the anatomy of arterial valvar stenosis Int J Cardiol 1990;26:355–360 Anderson RH, Mori S, Spicer DE, Brown NA, Mohun TJ Development and morphology of the ventricular outflow tracts World J Pediatr Congenit Heart Surg 2016;7(5):561–577 McKay R, Smith A, Leung MP, Arnold R, ... ventricular recovery after replacement of a regurgitant aortic valve in pediatric and young adult patients: is it ever too late? Pediatr Cardiol 2013;34(3):694–699 One of the few pediatric studies that evaluated the optimal timing for aortic valve intervention in... A single-center study demonstrating excellent results over a 7 year period following the Ross procedure in pediatric patients with aortic valve disease References Jordan SC, Scott O Heart Disease in Paediatrics