Open Access
Table 2
Key RTHA details.
| Case no. | 2 | 3 | 4 | |||
|---|---|---|---|---|---|---|
| Side | Right | Left | Right | Left | Right | Left |
| Femoral neck osteotomy | Single | Single | Single | Single | Single | Single |
| Reamer size (mm) | 52 | 52 | 56 | 56 | 44 | 44 |
| Acetabular component size (mm) | 54 | 54 | 54 | 54 | 46 | 48 |
| Bearing | Uncemented ceramic on X3 polyethylene | Uncemented ceramic on X3 polyethylene | Ceramic on X3 Rim Fit cemented cup | Ceramic on X3 Rim Fit cemented cup | Ceramic on X3 Rim Fit cemented cup | Ceramic on X3 Rim Fit cemented cup |
| Supplementary screws | Nil | 2 | Nil | Nil | Nil | Nil |
| Intraoperative fluoroscopy | None | None | None | None | None | None |
| Operation time (min) | 53 | 55 | 60 | 60 | 65 | 68 |
| Cup anteversion (planned/achieved) | 25°/25° | 25°/25° | 20°/20° | 20°/21° | 20°/22° | 20°/21° |
| Cup abduction (planned/achieved MAKO Surgical result | 40°/39° | 40°/39° | 40°/41° | 40°/42° | 40°/41° | 40°/42° |
| Postoperative cup abduction/cup anteversion (CT based) | 40.2°/23.3° | 38.7°/23.7° | 40.2°/21.3° | 43.2°/22.6° | 40.6°/21.5° | 40.1°/22.3° |
| Dorr classification (femoral canal) | Type B | Type B | Type A | Type B | Type B | Type B |
| Canal fill ratio (CFR) | 0.53 | 0.52 | 0.53 | 0.51 | 0.52 | 0.53 |
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