Background
Methods
ITP Group | Non-ITP Group | p value | |
---|---|---|---|
Number of patients (hips) | 11 (15) | 22 (30) | |
Mean age (years) | 49.3 (35–68) | 49.0 (35–68) | 0.317 |
Sex (male/female) | 2/13 | 4/26 | 1.000 |
Mean body mass index (kg/m2) | 24.2 (17.2–28.6) | 24.7 (18.9–31.3) | 0.460 |
Etiology | 1.000 | ||
Osteonecrosis | 12 | 24 | |
Osteoarthritis | 3 | 6 | |
Mean ASA score | 1.7 (1–3) | 1.4 (1–3) | 0.160 |
Type of anesthesia | 0.331 | ||
General | 7 | 9 | |
Spinal | 8 | 21 | |
Mean duration of follow-up (years) | 7.1 (2–13) | 7.2 (2–13) | 0.285 |
Case | Diagnosis | ASA | PLT (×109/) | Hb (g/dL) | Preoperative transfusion (units) | Postoperative transfusion (units) |
---|---|---|---|---|---|---|
1 | ON | 1 | 83 | 10.5 | - | PC, 4, pRBC 2 |
2 | ON | 2 | 98 | 11.3 | - | PC 6, pRBC 2 |
3 | ON | 3 | 52 | 7.7 | PC 6, pRBC 2 | PC 6, pRBC 4 |
4 | OA | 1 | 72 | 13.4 | PC 8 | - |
5 | OA | 2 | 65 | 10.9 | IVIG | PC 8, pRBC 2 |
6 | OA | 2 | 71 | 13.4 | PC 15 | |
7 | ON | 3 | 55 | 11.7 | IVIG, PC 12 | |
8 | ON | 2 | 99 | 13.1 | - | pRBC 2 |
9 | ON | 2 | 131 | 14.1 | - | PC 8 |
10 | ON | 1 | 131 | 15.1 | - | - |
11 | ON | 2 | 61 | 12.7 | IVIG, PC 8 | pRBC 2 |
12 | ON | 1 | 34 | 11.8 | IVIG, PC 12 | PC 8, pRBC 3 |
13 | ON | 2 | 143 | 9.4 | - | |
14 | ON | 1 | 149 | 10.0 | - | pRBC 2 |
15 | ON | 1 | 146 | 10.8 | - | - |
Mean | 1.7 | 92.7 | 11.7 | - | - |
Operative treatment
Postoperative treatment
Assessments
Statistical analysis
Results
ITP Group (N = 15) | Non-ITP Group (N = 30) | p value | |
---|---|---|---|
Mean operative time (minutes) | 68.8 (49–104) | 61.3 (43–104) | 0.550 |
Mean intraoperative estimated blood loss (mL) | 401 (100–1030) | 375 (200–850) | 0.115 |
Mean amount of suction drainage (mL) | 526 (150–1040) | 545 (220–980) | 0.394 |
Number of patients transfused postoperatively | |||
pRBC (%) | 8 (53.3) | 4 (13.3) | 0.003 |
PC (%) | 6 (40.0) | 0 (0.0) | 0.001 |
Mean number of units transfused postoperatively | |||
pRBC | 1.27 (0–4) | 0.35 (0–4) | 0.054 |
PC | 2.67 (0–8) | 0 | 0.001 |
Mean length of hospital stay (days) | 9.5 (7–14) | 9.2 (7–14) | 0.445 |
Readmission rate (%) | 0 | 0 | 1.000 |
Mean postoperative Harris hip score (points) | 93.4 (90–100) | 94.9 (92–100) | 0.163 |
Number of patients experiencing post-operative complications | |||
Component loosening | 0 | 0 | 1.000 |
Osteolysis | 0 | 0 | 1.000 |
Wound hematoma | 0 | 0 | 1.000 |
Wound infection | 0 | 0 | 1.000 |
Deep infection | 0 | 0 | 1.000 |
Venous thromboembolism | 0 | 0 | 1.000 |
Death | 0 | 0 | 1.000 |