Table 4.
Number of patients who developed 90-day complications
| Complication | THA | TKA | UKA | Total |
|---|---|---|---|---|
| VTE | 8 (0.9 %) | 11 (1.7 %) | 0 | 19 (1.2 %) |
| Tachycardia/arrhythmia | 4 (0.5 %) | 13 (2 %) | 0 | 17 (1.1 %) |
| Myocardial infarction/angina | 0 | 4 (0.6 %) | 0 | 4 (0.3 %) |
| CHF | 1 (0.1 %) | 2 (0.3 %) | 0 | 3 (0.2 %) |
| Endocarditis | 0 | 1 (0.2 %) | 0 | 1 (0.06 %) |
| Major organ/system bleeding | 5 (0.6 %) | 1 (0.2 %)a | 0 | 6 (0.4 %) |
| Cerebrovascular accident | 0 | 1 (0.2 %) | 0 | 1 (0.06 %) |
| Wound drainage requiring observation | 2 (0.2 %) | 0 | 0 | 2 (0.1 %) |
| Wound drainage requiring I&D | 3 (0.3 %) | 0 | 0 | 3 (0.2 %) |
| SWI | 6 (0.7) | 8 (1.2 %) | 0 | 14 (0.9 %) |
| DWI | 0 | 1 (0.2 %) | 0 | 1 (0.06 %) |
| Hypoxia/atelectasis | 1 (0.1 %) | 3 (0.5 %) | 0 | 4 (0.3 %) |
| Pneumonia | 1 (0.1 %) | 5 (0.8 %) | 0 | 6 (0.4 %) |
| Minor bleeding | 0 | 4 (0.6 %) | 0 | 4 (0.3 %) |
| Ileus | 3 (0.3 %) | 1 (0.2 %) | 0 | 4 (0.3 %) |
| Reoperations | 1 (0.1 %) | 1 (0.2 %) | 0 | 2 (0.1 %) |
| Periprosthetic fracture | 0 | 1 (0.2 %) | 0 | 1 (0.06 %) |
| Manipulations | NA | 29 (4.5 %) | 0 | 29 (4.3 %) |
| Total | 35 (3.9 %) | 86 (13.3 %) | 0 | 121 (7.7 %) |
THA total hip arthroplasty, TKA total knee arthroplasty, UKA unicompartmental knee arthroplasty, VTE venous thromboembolism, % percentage of patients, CHF congestive heart failure, INR international normalised ratio, I&D irrigation and debridement, SWI superficial wound infection, DWI deep wound infection, NA not applicable
aPatient who underwent bilateral TKA