| #1 | | | Vienna, Austria | | 155+ years | — | — | — | International Organization for Standardization, World's Best Hospitals 2021 by Newsweek |
| #2 | | | Istanbul, Turkey | | 42+ years | Interventricular septal defect surgery, catheterization lab procedures, echocardiography | Pediatric cardiac surgery cases | Specializes in pediatric cardiac surgery with JCI accreditation. Doctors are members of the Turkish Society of Pediatric Cardiology and Cardiac Surgery. Offers advanced cardiac diagnostics and therapeutic procedures. | Joint Commission International , International Organization for Standardization |
| #3 | | | Barcelona, Spain | | 32+ years23,000+ treatments | Interventricular septal defect surgery, minimally invasive cardiac surgery, open heart surgery | Complex congenital heart defects | JCI-accredited center with leading cardiac surgeons who have performed over 900 procedures. Offers comprehensive surgical treatments including minimally invasive options. | Joint Commission International , European Foundation for Quality Management |
| #4 | | | Istanbul, Turkey | | 16+ years | Interventricular septal defect surgery, minimally invasive closure of ventricular septal defect, ventricular septal defect closure surgery | Minimally invasive surgery for VSD | Offers minimally invasive VSD closure with specialized pediatric cardiovascular surgeons. JCI accredited hospital with high success rates in complex surgeries. | Joint Commission International |
| #5 | | | Istanbul, Turkey | | 21+ years | Open heart surgery, Consultation with a heart surgeon | — | — | International Organization for Standardization, Joint Commission International |
| #6 | | | Istanbul, Turkey | | 26+ years | Interventricular septal defect surgery, fenestrated VSD closure | Complex or inoperable cases | JCI accredited hospital with specialized pediatric cardiac surgery. Offers high-risk surgical options for late cases with low cardiac function. Includes comprehensive complication insurance. | International Organization for Standardization, Joint Commission International |
| #7 | | | Istanbul, Turkey | | 33+ years | Consultation with a heart surgeon | — | — | International Organization for Standardization, Joint Commission International |
| #8 | | | Istanbul, Turkey | | 1+ year | Interventricular septal defect surgery, minimally invasive cardiac surgery, robotic cardiac surgery | Complex cases with DORV and large VSD | Specializes in urgent surgical repairs for complex congenital heart defects. JCI-accredited facility with a multidisciplinary Heart Team and robotic surgery capabilities. | — |
| #9 | | | Istanbul, Turkey | | 39+ years | Ventricular Septal Defect Surgery, Open heart surgery | — | — | — |
| #10 | | | Baku, Azerbaijan | | 16+ years | Ventricular Septal Defect Surgery, Open heart surgery | — | — | Joint Commission International , Patient choice for Check-up |