Table 1.
Preoperative and resulting postoperative alignment as well as the planned alignment parameters for the two patients
| Patient ID | Pre-OP OLA |
Planned OLA |
Post-OP OLA |
Pre-OP MPTA |
Planned MPTA |
Post-OP MPTA |
Tibial slope | Pre-OP mLDFA |
Planned mLDFA |
Post-OP mLDFA |
Femoral flexion | Planned rotation TEA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 6.5 | 2 | 1.8 | 87 | 89 | 89 | 4 | 90 | 91 | 91 | 3 | 3.9 |
| 2 | 9.6 | 3 | 3.0 | 85 | 86 | 87 | 3 | 90 | 89 | 90 | 5 | −1.4 |
All values given in degrees (°), “−” means internal rotation. PostOP OLA measured on long leg standing radiograms at days 5–7 post-surgery with limited weight bearing
Pre-OP preoperative, Post-OP postoperative, MPTA medial proximal tibial angle, mLDFA mechanical lateral distal femoral angle, OLA overall limb alignment, TEA transepicondylar axis