Skip to main content

Table 2 Surgery/anesthesia-related parameters

From: Comparison of intraoperative blood loss during spinal surgery using either remifentanil or fentanyl as an adjuvant to general anesthesia

 

Remifentanil (n = 35)

Fentanyl (n = 29)

Duration of anesthesia (min)

212 ± 44

220 ± 43

Duration of surgery (min)

158 ± 44

159 ± 42

Anesthetics

  

Remifentanil (mg)

3.2 ± 1.1

 

Fentanyl (μg)

112 ± 74*

272 ± 79

Site of surgery (n)

  

Cervical spine

19

17

Lumbar spine

16

12

Number of decompression segments (n)

3.1 ± 1.5

3.6 ± 1.5

Amount of ephedrine (mg)

8.3 ± 7.3*

3.3 ± 4.6

Amount of nicardipine (mg)

0 ± 0*

0.3 ± 0.7

Temperature (°C)

37.0 ± 0.7

36.8 ± 0.6

Fluid volume (mL)

1146 ± 314

1050 ± 244

Urine output (mL)

324 ± 377

293 ± 192

Blood loss (mL)

125 ± 67*

165 ± 82

  1. Data presented as mean ± SD or number of patients.
  2. *Statistically significant difference from the fentanyl group (P < 0.05).