Table 2

Remifentanil and propofol doses at the time of scheduled down-titrations


Remifentanil infusion rate at start of SDT (μg/kg per hour)
Mean propofol infusion rate at start of SDT (mg/kg per hour)
Number (%) of patients receiving propofol at SDT




Time of SDT
Normal/mild
Moderate/severe
Normal/mild
Moderate/severe
Normal/mild
Moderate/severe

8 hours
8.8 (2.8)
7.0 (3.5)
0.8 (0.1)
0.7 (0.4)
5 (50)
11 (37)
24 hours
9.7 (3.0)
7.5 (3.6)
1.3 (0.9)
1.1 (0.5)
7 (70)
8 (27)
48 hours
10.1 (3.9)
7.6 (2.7)
1.0 (0.6)
0.9 (0.6)
5 (50)
2 (7)
72 hours
9.7 (6.0)
7.7 (2.9)
1.2 (0.7)
0.8 (0.4)
4 (40)
4 (13)

Values are expressed as mean (standard deviation). SDT, scheduled down-titration.

Breen et al. Critical Care 2004 8:R21   doi:10.1186/cc2399