Cardiac Remodeling and Circulating Biomarkers in Pediatric Left Ventricular Pressure Loading Lesions

You may be eligible if

• Congenital heart disease patients with the following diagnoses undergoing surgical repair: Coarctation of the aorta (CoA), aortic stenosis (AS), subaortic membrane (sub-AS), supravalvar aortic stenosis (supra-AS).
• All patients will have age from birth through 18 years of age.
• Corrected gestational age at time of surgery \<34 weeks
• Weight at time of surgery \<2000g.
• Patients who will not be seen for any follow-up care at Children's Hospital Colorado