Table 1.
Valves Implanted and Effective Orifice Area Based on Referenced Normal Values
| Effective Orifice Area (cm2) | Patients | 25 mm | 27 mm | 29 mm | 31 mm | 33 mm | References |
|---|---|---|---|---|---|---|---|
| Bioprosthetic valves | |||||||
| Hancock Standard | 150 | 1.4 | 1.6 | 2.0 | 1.9 | 2.5 | 15, 19 |
| Carpentier-Edwards Pericardial | 80 | 1.8 | 2.0 | 2.5 | 2.7 | 2.7 | 11, 12, 19 |
| Hancock II | 64 | 1.5 | 2.0 | 2.3 | 2.8 | 2.9 | 12, 16 |
| Carpentier-Edwards Porcine | 12 | 1.9 | 2.4 | 2.8 | 15, 19 | ||
| Biocor | 12 | 1.2 | 2.3 | 2.2 | 18 | ||
| Medtronic Mosaic | 7 | 1.6 | 1.8 | 1.9 | 11, 17 | ||
| Mechanical valves | |||||||
| St. Jude Medical | 359 | 1.9 | 2.0 | 2.3 | 2.3 | 2.4 | 11, 12, 19 |
| Carbomedics | 29 | 2.2 | 2.4 | 2.4 | 2.3 | 2.3 | 12, 19 |
| Medtronic-Hall | 25 | 2.2 | 2.7 | 3.2 | 3.4 | 3.5 | 12, 19 |
| On-X | 19 | 2.3 | 2.3 | 2.3 | 2.3 | 11, 12 | |
| Other mechanicala | 8 |
Different values for each valve type.