| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.3 / 5 (5 reviews) | Ustron, Poland | — | Coronary artery bypass grafting, valve replacement, aortic aneurysm surgery, coronary stenting, radiofrequency ablation | Complex cardiac and vascular conditions | Performs 64,000 coronary procedures and 2,000 cardiosurgery procedures yearly. 90.6% success rate for myocardial infarction treatment, 98.9% for valve replacement. ISO and 'Hospital without pain' certified. | International Organization for Standardization, Hospital Without Pain Certificate by the Polish Society for the Study of Pain |