| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.3 / 5 (5) | Ustron, Poland | — | — | Valve replacement, correction of heart defects, angioplasty, videoscopic surgery | Complex pediatric heart conditions | Achieves 98.9% success rate for valve replacement. Uses hybrid operating rooms and videoscopic methods for minimally invasive procedures. ISO certified for quality care. | International Organization for Standardization, Hospital Without Pain Certificate by the Polish Society for the Study of Pain |