Clinical Research Directory

Inclusion Criteria: 1. Patients who have been confirmed with single secundum atrial septal defect (ASD) by echocardiography; 2. The anatomy of ASD is suitable for percutaneous closure; 3. Patients are scheduled to perform ASD closure; 4. Patients or legally authorized representative(s) who are willing and capable of providing informed consent. Exclusion Criteria: 1. Any contraindication for ASD closure; 2. Patients have ostium primum ASD or coronary sinus ASD; 3. Patients who are pregnant or breastfeeding; 4. Patient is currently participating in another clinical trial that has not yet completed its primary endpoint.