| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (155 reviews) | Vienna, Austria | — | — | — | — | — | International Organization for Standardization, World's Best Hospitals 2021 by Newsweek | |
| #2 | 4.3 / 5 (16 reviews) | Hamburg, Germany | — | — | Minimally invasive heart surgeries, TAVI procedure, MitraClip procedure, coronary artery bypass grafting | Complex congenital heart defects | Specializes in minimally invasive procedures for heart defects. Performed 1,100+ TAVI procedures. Cardiology department treats over 5,700 patients annually. | International Organization for Standardization, Medical Travel Quality Alliance | |
| #3 | 4.6 / 5 (514 reviews) | Istanbul, Turkey | 76+ years | Open heart surgery, Consultation with a heart surgeon | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #4 | 4.7 / 5 (441 reviews) | Barcelona, Spain | — | 23,000+ 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 | |
| #5 | 4.5 / 5 (51 reviews) | Istanbul, Turkey | — | — | 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 | |
| #6 | 5.0 / 5 (54 reviews) | Istanbul, Turkey | 40+ 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 | ||
| #7 | 4.7 / 5 (359 reviews) | Istanbul, Turkey | — | — | 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 | |
| #8 | 4.4 / 5 (33 reviews) | Istanbul, Turkey | — | — | Consultation with a heart surgeon | — | — | International Organization for Standardization, Joint Commission International | |
| #9 | 4.5 / 5 (0 reviews) | Istanbul, Turkey | 39+ years | Open heart surgery, Ventricular Septal Defect Surgery | — | — | — | ||
| #10 | 5.0 / 5 (1 review) | Istanbul, Turkey | — | — | 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. | — |