| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (438 reviews) | Barcelona, Spain | — | 23,000+ treatments | Minimally invasive atrial septal defect surgery, mini-sternotomy, mini-thoracotomy | Minimally invasive heart surgery | Led by Dr. Xavier Ruyra, a leading cardiac surgeon with 35+ years of experience. JCI-accredited facility with a team experienced in 10,000+ heart surgeries. | Joint Commission International , European Foundation for Quality Management | |
| #2 | 4.8 / 5 (41 reviews) | Barcelona, Spain | — | 14,000+ treatments | Atrial septal defect surgery | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #3 | 5.0 / 5 (6 reviews) | Pamplona, Spain | — | — | Atrial septal defect surgery | — | — | Joint Commission International , European Society for Medical Oncology |