Table 2.
Outcomes of patients with THA and TKA before and after change in VTE policy.
| Total Hip Arthroplasty |
Total Knee Arthroplasty |
|||||
|---|---|---|---|---|---|---|
| Pre-intervention (n = 191) | Post- intervention (n = 165) | P value | Pre- intervention (n = 158) | Post- intervention (n = 137) | P value | |
| VTE agent (%) | ||||||
| Aspirin | 2 (1.0) | 110 (66.7) | 0 | 95 (69.3) | ||
| Dabigatran | 139 (72.8) | 20 (12.1) | 123 (77.8) | 20 (14.6) | ||
| None | 27 (14.1) | 8 (4.8) | 13 (8.2) | 3 (2.2) | ||
| Warfarin | 22 (11.5) | 12 (7.3) | 16 (10.1) | 12 (8.8) | ||
| LMWH | 1 (0.5) | 11 (6.7) | 3 (1.9) | 4 (2.9) | ||
| Rivaroxiban | 0 | 3 (1.8) | 1 (0.6) | 1 (0.7) | ||
| VTE investigations within 90 days (%) | ||||||
| Venous duplex | 15 (7.9) | 12 (7.3) | 0.21 | 7 (4.4) | 8 (5.8) | 0.72 |
| CTPA | 7 (3.7) | 1 (0.6) | 5 (3.2) | 8 (5.8) | ||
|
All VTEaevents within 90 days (%) DVTb (%) PEc (%) |
3 (1.6) 3 (1.6) 0 |
0 | 0.15 | 3 (1.9) 0 (0) 3 (1.9) |
2 (1.5) 0 2 (1.5) |
0.57 |
| RTTdwithin 30 days (%) | 3 (1.6) 1 DSSIe 1 Haematoma evacuation 1 Dislocation |
4 (2.4) 2 DSSIe 2 SSSIf |
0.42 | 2 (1.2) 1 DSSIe 1 Wound Problem |
4 (2.9) 1 DSSIe 1 SSSI 2 Wound problem |
0.28 |
| Mortality 90 days (%) | 3 (1.6) | 0 | 0.15 | 2 (1.2) | 1 (0.7) | 0.55 |
| Readmission within 30 days (%) | 4 (2.1) 2 DSSI 1 Wound problem 1 Dislocation |
5 (3.0) 2 DSSI 2 SSSI 1 Perforation |
0.74 | 8 (5.1) 2 DSSI 3 Wound Problem 1 Pain 1 SSSI 1 PE |
6 (4.4) 2 DSSI 1 Wound Problem 2 Pain 1 SSSI |
1.0 |
a
VTE, venous thromboembolism.
b
DVT, deep-vein thrombosis.
c
PE, pulmonary embolism.
d
RTT, return-to theatre.
e
DSSI, Deep Surgical site infection.
f
SSSI, Superficial surgical site infection.