Figure 102.1

Figure 102.1 Cumulative proportion of patients continuing without a top-up after epidural infusion of 0.08% bupivacaine at 15mls/hr, with or without fentanyl 2.5 mcg/ml.
B = Bupivacaine alone.
B+F = Bupivacaine + Fentanyl
Reproduced with permission from: Jones G et al Br. J. Anaesth. 1989; 63:3 254 - 9.