Table 1 Patient characteristics (n = 99)
Value | |
|---|---|
Gender, female sex | 42 (42%) |
Age, years | 67 (37–87) |
BMI, m2kg−1 | 28 (19–43) |
ASA-class | |
1 | 26 (26%) |
2 | 60 (61%) |
3 | 13 (13%) |
Smokers | 1 (1%) |
History of motion sickness | 19 (19%) |
Previous PONV | 19 (19%) |
Preoperative treatment with opioids | 12 (12%) |
COX-2 inhibitor in premedication | 9 (9%) |
Apfel-score | |
0–1 | 0 (0%) |
2 | 44 (44%) |
3 | 35 (35%) |
4 | 20 (20%) |
Hip prosthesis surgery, numbers | 78 (79%) |
Knee prosthesis surgery, numbers | 21 (21%) |
Spinal anaesthesia combined with intrathecal morphine and clonidine | 99 (100%) |
Duration of anaesthesia, minutes | 170 (105–336) |
Duration of surgery, minutes | 95 (57–256) |
PONV prophylaxis | |
Betamethasone | 93 (94%) |
Ondansetron | 54 (55%) |
Droperidol | 20 (20%) |
Number of prophylaxes given | |
0 | 3 (3%) |
1 | 45 (45%) |
2 | 31 (31%) |
3 | 20 (20%) |
Rescue antiemetics until noon Day 1 | 27 (27%) |
Gabapentin included in postoperative medication | 36 (36%) |