Table 2

Hemodynamic parameters, and calcium and magnesium levels



Period after sedative infusion



Parameter/level
Baseline
Immediately after
2 hours
4 hours
6 hours
24 hours

Heart rate (beats/min)






     Group 1
90 ± 12
89 ± 11
88 ± 12
90 ± 13
92 ± 11
91 ± 13
     Group 2
88 ± 11
91 ± 9
89 ± 11
88 ± 12
90 ± 12
88 ± 12
Mean arterial pressure (mmHg)






     Group 1
74.1 ± 9.2
73.5 ± 14
76.3 ± 9.5
77 ± 12.5
75 ± 12.5
75 ± 8.5
     Group 2
75.2 ± 8.8
74 ± 10.7
76.4 ± 12.0
74 ± 14.8
74 ± 14.8
73 ± 9.8
Calcium (8.9–10.3 mg/dl)






     Group 1
9.2 ± 1.1
9.1 ± 1.2



9.0 ± 1.3
     Group 2
9.1 ± 1.3
8.9 ± 1.1



8.9 ± 1.2
Magnesium (1.8–3.5 mg/dl)






     Group 1
3.06 ± 0.83
3.07 ± 0.79



3.08 ± 0.68
     Group 2
2.97 ± 0.95
4.0 ± 1.31



3.1 ± 0.73

There were no statistically significant differences between groups (P > 0.05). Group 1 (n = 15) received sufentanil infusion alone, whereas group 2 (n = 15) received sufentanil plus magnesium sulphate. Values are expressed as means ± standard deviation.

Memiş et al. Critical Care 2003 7:R123   doi:10.1186/cc2365