Investigation of Cardiopulmonary Parameters, Motor Development and Muscle Strength in DS With and Without CHD

Inclusion Criteria: * Diagnosed with Down syndrome as a result of genetic analysis, * For the congenital heart disease group; undergoing cardiac surgery at least 6 months before the evaluation, diagnosed as CHD by a pediatric cardiologist based on echocardiographic findings, * For the group without congenital heart disease, patients who have not undergone cardiac surgery, are asymptomatic with a septal defect smaller than 4-5 mm, are expected to close, and are hemodynamically normal by a pediatric cardiologist, * Children whose families were informed about the study and gave written consent to participate in the study were included in the study. Exclusion Criteria: * Having another genetic abnormality other than Down syndrome, * undergoing surgery other than cardiac surgery, * Having an orthopedic or neurological problem, * Respiratory support, * With atlantoaxial instability, * Children with hematological disease were not included in the study.