Table 5 Rate of intraoperative, local postoperative, and general complications and deaths according to class of Body Mass Index (BMI) of the patients treated by total knee arthroplasty.
From: Relationship between obesity and early failure of total knee prostheses
n. of trated patients | Patients with intraoperative complications (% of the total) | Patients with postoperative complications (% of the total) | Patients with general postoperative complications (% of the total) | Deaths in hospital | |
|---|---|---|---|---|---|
BMI <= 25 | 1840 | 9 (0.49) 5 bone fracture, 3 tendon rupture, 1 anest. complic | 26 (1.4) 16 hematoma, 4 nerve injury 0 deep thrombosis 6 other | 55 (3.0) 3 pulmonary embolism, 5 minor cardiac 14 acute anemia 5 urinary 28 other | 2 (0.1) |
25 < BMI <= 30 | 4692 | 13 (0.27) 4 bone fracture, 6 tendon/ligam rupture, 2 hemorrage 1 anest. complic | 65 (1.4) 37 hematoma, 4 nerve injury 7 deep thrombosis 22 other | 143 (3.0) 11 pulmonary embolism, 7 cardiac infarction 4 minor cardiac 32 acute anemia 17 urinary 72 other | 5 (0.1) |
30 < BMI <= 40 | 3031 | 7 (0.23) 3 bone fracture, 2 tendon/ligam rupture, 1 anest. complic | 33 (1.1) 15 hematoma, 2 nerve injury 6 deep thrombosis 4 superficial infections 3 other | 98 (3.2) 3 pulmonary embolism, 1 cardiac infarction 7 minor cardiac 17 acute anemia 15 urinary 55 other | 1 (0.03) |
BMI > 40 | 172 | 0 - | 3 (1.7) 2 hematoma, 1 other | 6 (3.5) 1 cardiac infarction 5 other | 1 (0.58) |
Total | 9735 | 29 (0.30) | 127 (1.3) | 302 (3.1) | 9 (0.1) |