We are looking for information on:

Please help us!! We are looking for information on:

- Combination cases of atrioventricular septal defect (AVSD) and peripheral pulmonary stenosis, treatment standards & paradigms for combination cases and things to be aware of throughout treatment.

- Cases of ballon catheter treatment or and things to be aware of throughout such treatment.(in the case of patients suffering from both AVSD and peripheral pulmonary stenosis).