| In infants aged < 1 year receiving ropivacaine via wound catheter infusion after abdominal surgery, cumulative morphine requirements during the first 48 hours postoperatively were not significantly different compared with infants receiving placebo, although a significantly lower number of infants receiving ropivacaine needed any morphine. |
| Wound catheter infusion showed to be a feasible and safe technique, with plasma concentrations of ropivacaine remaining below toxic thresholds. |
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