Table 3 Perioperative environmental and clinical factors for postoperative surgical patients (N = 424)
Variables | Frequency | Percentage (%) |
|---|---|---|
Type of surgery | ||
Orthopedic | 78 | 18.4 |
General surgery | 302 | 71.2 |
Gynecologic | 44 | 10.4 |
Type of anesthesia | ||
General | 294 | 69.3 |
Regional | 130 | 30.7 |
Surgical duration | ||
Less than one hour | 109 | 25.7 |
One to two hours | 282 | 66.5 |
Above three hours | 33 | 7.8 |
NPO hour | ||
Un extended NPO duration | 396 | 93.4 |
Extended NPO duration | 28 | 6.6 |
Preload adequacy | ||
Adequate preload 20 ml/kg | 102 | 24.1 |
In adequate preload < 20 ml/kg | 322 | 75.4 |
Medications | ||
Atropine (anticholinergic) | 274 | 64.6 |
Neostigmine (anticholinesterase) | 269 | 63.4 |
Opioid | 271 | 63.9 |
Antihypertensive | 17 | 4 |
Diuretics | 7 | 1.7 |