Table 1 Characteristics of patients undergoing distal femoral resection knee arthroplasty for non-tumor indications
All indications | Osteosyntheses failure | Fracture | Periprosthetic fracture | Revision arthroplasty | |
|---|---|---|---|---|---|
n (%) | 45 (100) | 8 (17.8) | 2 (4.4) | 22 (48.9) | 13 (28.9) |
Mean age (years) (SD) | 71.3 (12.3) | 61.8 (18.5) | 74.5 (6.4) | 74.8 (9.4) | 70.9 (10.8) |
Female (%) | 29 (64.4) | 7 (87.5) | 1 (50) | 15 (68.2) | 6 (46.2) |
Median BMI (Range) | 27 (18–46) | 24.0 (20–30) | 25.5 (22–29) | 27.0 (21–33) | 27.0 (18–46) |
ASA (%) | |||||
ASA Score 1 | 4 (8.9) | 2 (25) | 0 | 0 | 2 (15.4) |
ASA Score 2 | 18 (40) | 4 (50) | 1 (50) | 9 (40.9) | 4 (30.8) |
ASA Score 3 | 23 (51) | 2 (25) | 1 (50) | 13 (59.1) | 7 (53.8) |
ASA Score 4 | 0 | 0 | 0 | 0 | 0 |
Insulin-dependent diabetes (%) | 1 (2.2) | 0 | 0 | 1 (4.5) | 0 |
Non-insulin dependent diabetes | 2 (4.4) | 0 | 0 | 1 (4.5) | 1 (7.7) |
Cardiac disease (%) | 15 (33.3) | 3 (37.5) | 0 | 9 (40.9) | 3 (23.1) |
Pulmonary disease (%) | 7 (15.6) | 2 (25) | 1 (50) | 4 (18.2) | 0 |
Immunosuppression (%) | 3 (6.7) | 1 (12.5) | 0 | 1 (4.5) | 1 (7.7) |
Preoperative hemoglobin level, g/dl (SD) | 7.4 (1.1) | 8.1 (0.9) | 9.1 (1.4) | 6.8 (1.1) | 7.6 (0.9) |