Effective orifice area (EOA) values obtained from literature review
| Patients (n=1006) | Prosthetic valve size (mm) | Source | |||||
| 25 | 27 | 29 | 31 | 33 | |||
| EOA (cm2) | |||||||
| ATS Mechanical | 163 (16) | 0 (0) | 2.9 | 2.8 | 2.9 | 21 | |
| Patients, n (%) | 41 (25) | 57 (35) | 65 (40) | ||||
| MCRI On-X | 47 (5) | 2.1 | 2.1 | 2.1 | 22 | ||
| Patients, n (%) | 11 (23) | 14 (30) | 22 (47) | ||||
| St Jude Mechanical | 385 (38) | 1.7 | 1.8 | 1.8 | 2.0 | 23 24 | |
| Patients, n (%) | 12 (3) | 69 (18) | 132 (34) | 172 (45) | |||
| Carbomedics | 27 (3) | 0 (0) | 2.0 | 2.2 | 2.1 | 2.4 | 25 26 |
| Patients, n (%) | 3 (11) | 9 (33) | 11 (41) | 4 (15) | |||
| St Jude Biocor | 64 (6) | 0 (0) | 1.5 | 2.3 | 2.2 | 2.3 | 27 |
| Patients, n (%) | 9 (14) | 23 (36) | 18 (28) | 14 (22) | |||
| St Jude Epic | 55 (5) | 0 (0) | 1.4 | 1.5 | 1.6 | 1.5 | 28 |
| Patients, n (%) | 7 (13) | 11 (20) | 28 (51) | 9 (16) | |||
| Medtronic Mosaic | 101 (10) | 1.7 | 1.7 | 1.8 | 1.7 | 1.8 | 29–31 34 |
| Patients, n (%) | 4 (4) | 17 (17) | 37 (37) | 31 (31) | 12 (12) | ||
| Carpentier-Edwards Perimount | 164 (16) | 1.4 | 1.8 | 2.0 | 2.3 | 2.1 | 32–34 |
| Patients, n (%) | 11 (7) | 51 (31) | 58 (35) | 35 (21) | 9 (5) | ||
Prostheses studied: ATS mechanical (ATS Medical Inc, Minneapolis, Minnesota, USA); MCRI On-X (Medical Carbon Research Institute, Austin Texas, USA); Carbomedics (Sorin Biomedica, Via Crescentino, Italy); St Jude Mechanical, St Jude Epic, St Jude Biocor (St Jude Medical Inc, St Paul, Minnesota, USA); Medtronic Mosaic (Medtronic, Minneapolis, Minnesota, USA); Carpentier-Edwards Perimount (Edwards Lifesciences, Irvine, California, USA).