Review
Copyright ©2014 Baishideng Publishing Group Inc.
World J Anesthesiol. Nov 27, 2014; 3(3): 191-202
Published online Nov 27, 2014. doi: 10.5313/wja.v3.i3.191
Table 1 Comparison of intrathecal morphine with hydrophilic opioids (Fentanyl and Sufentanil)[9]
OpioidIT/iv potency ratioOnset of IT analgesia (min)Duration of analgesia (h)Time of peak respiratory depressionClinical dose range
Morphine200-300:160-12018-248-10 h0.1-0.5 mg
Fentanyl10-20:1< 101-45-20 min6-30 mcg
Sufentanil10-20:1< 102-65-20 min2.5-10 mcg