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Complex ASD/VSD: Also known as an atrio-ventricular septal defect, it is a type of congenital heart defect. There is a an ASD and vsd together creating a defect (hole) in the center of the heart. There is also one common av valve , rather than 2 distinct valves (mitral and tricuspid valves). It is commonly but not necessarily associated with down syndrome. Surgical repair is required in infancy. ...Read moreSee 1 more doctor answer
No: Av canal does not cause down syndrome, but av canal is one of the abnormalities that make up down syndrome (a syndrome is a group of abnormalities that appear together in affected persons). The cause of down syndrome is the presence of an extra chromosome #21. ...Read moreSee 1 more doctor answer
With a patch: A-v canal defect is repaired by using a patch of material to reconstruct the septum (inside wall) of the heart and close the hole between the two ventricles and the two atria. Another important part of the operation is focused on division of the common a-v valve into well functioning mitral and tricuspid valves. ...Read moreSee 2 more doctor answers
Other way around: Atrioventricular (av) canal defect is a relatively common congenital heart defect in children born with down syndrome. Down syndrome "causes" av canal defects, not the other way around. Av canal defect is a major congenital anomaly with the potential to cause severe symptoms. However, in most cases, av canal defect can be repaired. High levels of surgical skill is important for best outcomes. ...Read moreSee 1 more doctor answer
Patterns: The extra chromosome in every cell causes confusion in the formation of every complex organ system of the body. The heart is quite complex, and the AV canal defect is more or less a failure of the heart to complete itself (the walls between chambers form near the end of the normal process).The pattern of facial features, hand features, etc all represent this pattern of interference in formation. ...Read moreSee 1 more doctor answer
Surgey: The timing of repair depends on the health of the child and the degree of the defect. Your cardiologist and surgeon can discuss these options in more detail. ...Read more
What is the possible timing of repair of av canal defect with tetralogy of fallot in a child aged 3 months?
What is the ideal timing of repair of av canal defect with tetralogy of fallot in a child 4 months old delivered premature , growing slowly ?
Ideally 4-6 m: Ideally repair is carried out at 4-6 months of age. However, some babies may be very symptomatic requiring repair earlier. Many surgeons may prefer the baby to be 4-5 kg (9-12 lbs) before repair. Considering preemies start with a low birth weight and may have poor weight gain, then repair may be at an older age still within the first year of life. Caloric intake should be optimized until surgery. ...Read moreSee 1 more doctor answer
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