Table 2 Major and minor complications
From: Perioperative safety of two-team simultaneous bilateral total knee arthroplasty in the obese patient
| Complications |
Bilateral (n = 151) Number (%) |
Unilateral (n = 148) Number (%) | P |
|---|---|---|---|
| Major | 13 (8.6%) | 8 (5.4%) | .28 |
| Death | 0 (0%) | 0 (0%) | - |
| Pulmonary embolism | 4 (2.6%) | 1 (0.7%) | .56 |
| Myocardial infarction | 1 (0.7%) | 0 | .32 |
| Deep infection | 1 (0.7%) | 1 (0.7%) | .96 |
| Congestive heart failure | 0 | 1 (0.7%) | .50 |
| Cerebrovascular accident | 0 | 0 | - |
| Acute renal insufficiency | 3 (2.0%) | 0 | .25 |
| Revision of implant | 1 (0.7%) | 1 (0.7%) | .96 |
| Any need for further surgery on involved knee (not including manipulation) | 3 (2.0%) | 4 (2.7%) | .68 |
| Minor | 19 (12.6%) | 30 (20.3%) | .07 |
| Superficial infection | 1 (0.7%) | 4 (2.7%) | .17 |
| Distal deep-vein thrombosis | 3 (2.0%) | 3 (2.0%) | .98 |
| Urinary tract infection | 2 (1.3%) | 2 (1.4%) | .98 |
| Urinary retention | 3 (2.0%) | 4 (2.7%) | .68 |
| Confusion | 2 (1.3%) | 2 (1.4%) | .98 |
| Ileus | 2 (1.3%) | 4 (2.7%) | .40 |
| Surgical hematoma | 2 (1.3%) | 2 (1.4%) | .98 |
| Need for knee manipulation | 4 (2.6%) | 9 (6.1%) | .15 |