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Worldwide use of prosthetic heart valves
| Prosthesis | Estimated numbers | |
| 1994* | 2003† | |
| Total | 173 900 | 370 700 |
| Mechanical | 121 000 (70%) | 192 764 (52%) |
| Ball in cage | 4900 | |
| Tilting disc | 22 000 | |
| Bileaflet | 95 200 | |
| Bioprosthesis | 52 900 (30%) | 114 917 (31%) |
| Porcine | 31 000 | |
| Pericardial | 18 700 | |
| Allograft | 3200 | |
| Native valve repair | Approximately 10–20% | |
*From Schoen2; †Medtronic Inc (valve division), personal communication, 2004.
