Uniqacare Clinic in Istanbul treats both adults and children with atrial septal defect. The clinic is a private multi-specialty centre accredited by the Turkish Medical Association and welcomes many Australian patients. Professor Dr Cenap Zeybek leads the paediatric cardiology team and specialises in atrial septal defect surgery, including advanced heart valve replacement and open heart surgery. The clinic offers multidisciplinary care with 39 specialists across 23 departments, providing comprehensive support for international patients.