Table 4.
Postoperative outcomes
| FNB (N = 118) | CFNC (N = 178) | No loco-regional anaesthesia (N = 112) | p value | |
|---|---|---|---|---|
| Per hour opioid use | ||||
| Preoperatively in ml M (SD) | 0.49 (2.2) | 0.23 (0.38) | 0.18 (0.30) | 0.106 |
| Intraoperatively in ml M (SD) | 17.5 (9.6) | 15.5(10.7) | 19.7 (12.5) | 0.007 |
| Postoperatively at the recovery room M (SD) | 0.36 (1.1) | 0.37 (0.74) | 0.93 (1.5) | < 0.001 |
| Postoperatively 2 days after surgery M (SD) | 0.05 (0.11) | 0.06 (0.15) | 0.1 (0.17) | 0.015 |
| Total opioid use | ||||
| Preoperatively in ml M (SD) | 7.7 (45.9) | 6.4 (10.5) | 2.8 (4.0) | 0.328 |
| Intraoperatively in ml M (SD) | 31.1 (13.6) | 28.6 (15.9) | 34.5 (16.2) | 0.007 |
| Postoperatively at the recovery room M (SD) | 1.2 (3.4) | 1.9 (3.4) | 3.3 (4.5) | < 0.001 |
| Postoperatively 2 days after surgery M (SD) | 2.1 (5.1) | 3.1 (7.1) | 3.3 (6.9) | 0.015 |
| Complications | ||||
| Falls n (%) | 2 (1.7) | 4 (2.3) | 0 (0) | 0.675 |
| Delirium n (%) | 15 (12.7) | 20 (11.4) | 8 (7.1) | 0.354 |
| Anaemia n (%) | 30 (25.4) | 64(36.4) | 39(34.8) | 0.126 |
| Urinary tract infection n (%) | 9 (7.6) | 9(5.1) | 2(1.8) | 0.122 |
| CVA n (%) | 0(0.0) | 0(0.0) | 1(0.9) | 0.268 |
| Myocardial Infarction n (%) | 0(0.0) | 1(0.6) | 2(1.8) | 0.270 |
| Decubital ulcer n (%) | 0(0.0) | 0(0.0) | 1(0.9) | 0.268 |
| Wound infection n (%) | 2(1.1) | 1(0.8) | 0(0.0) | 0.540 |
| Patients with a complicated course n (%) | 50(42.2) | 88(50) | 49(43.8) | 0.430 |
| Mortality | ||||
| 30-day mortality | 10(8.5) | 14(8.0) | 14(12.5) | 0.409 |
| 90-day mortality | 14(11.9) | 32(18.4) | 17(15.2) | 0.317 |
| 1-year mortality | 21(17.8) | 58(33.3) | 32(28.8) | 0.013 |
| Total HLOS in days M (SD) | 9.4 (5.0) | 9.3 (4.7) | 8.8 (3.9) | 0.590 |
n number of patients, M Mean, SD Standard Deviation, HLOS hospital length of stay, FNB femoral nerve block, CFNC continuous femoral nerve catheter, CVA cerebral vascular accident