Active clinical trials for "Heart Defects, Congenital"

Cross-sectional study of a national cohort of adolescents with univentricular congenital heart defects and Fontan type palliation.

Cardiac denervation is inherent to the arterial switch (ASO) technique for the repair of transposition of the great arteries (TGA) and the long term reinnervation process has not been studied. We sought to describe the reinnervation status of adult patients long after the ASO, to identify areas of myocardial perfusion/innervation mismatch and to assess the relation of innervation status and exercise capacity.

The prevalence of chronic kidney injury (CKD) following cardiac surgery during childhood is not known, but there is evidence of CKD in young adults. In the present study assumption is made that CKD can already by diagnosed in patients at or just before adolescence, and the aim is calculate its prevalence according to the KDIGO criteria by a cross-sectional study, which will enroll patients aged 10 to 15 years. The second hypothesis is that events occurring peri-operatively during initial surgery or during follow-up could by chart review and regression analysis.

Acute kidney injury (AKI) is a major complication after cardiac surgery and has been reported to be associated with adverse outcome. Previous studies have reported that the incidence of AKI in patients undergoing surgery for congenital heart disease is as high as 42% and AKI increase the patient mortality, intensive care unit stay and hospital stay. Previous studies have reported several risk factors for AKI after congenital heart surgery, however, perioperative variables including anesthesia-related factors have not been evaluated fully. Therefore, the investigators attempt to find out independent risk factors regarding perioperative variables.

Clinical oedema is seen after open heart surgery with the use of cardiopulmonary bypass and hypothermia in children. The oedema formation is due to increased fluid transport from blood to tissue. This transcapillary fluid transport is dependent on differences in interstitial and plasma colloid osmotic pressure. The purpose of this investigation is to evaluate changes in interstitial colloid osmotic pressure before, under and after the use of cardiopulmonary bypass in children. The study hypothesis is that oedema developed during cardiopulmonary bypass and hypothermia is caused by increased micro vascular protein leakage and reduced colloid osmotic pressure gradient through the capillary membrane.

The purpose of this study is to evaluate the impact of implementing a universal pulse oximeter screening as a way to detect critical congenital heart disease in otherwise well-appearing newborns.

The purpose of this study is to determine whether children and adolescents 8-18 years of age with HLHS and related lesions who have undergone stage I palliation during infancy using an allograft patch demonstrate continued evidence of HLA antibody formation.

It is now estimated that the number of adults with congenital heart disease in the U.S is over 800,000. Unfortunately, these patients, in some way, have become a lost population. They have congenital abnormalities familiar to a children's hospital, yet have surpassed the age cutoff for admission. Recently, we have developed a specialized program to care for this unique patient population. Dedicated programs such as ours hope to optimize patient care, consolidate specialized resources, provide sufficient patient numbers for training and maintain expertise and facilitate research in this unique population.

This study will characterize the accuracy of a commercially available artificially-intelligent stethoscope in determining which childhood murmurs suggest underlying congenital structural heart disease and therefore warrant diagnostic echocardiograms.

To test the ability of multi-detector spiral CT in evalting the infant complex congenital heart disease.