A randomized trial of automated intermittent ropivacaine administration vs. continuous infusion in an interscalene catheter.
Jakob OxlundA H ClausenS VenøM D NielsenM PallT StrømP ToftPublished in: Acta anaesthesiologica Scandinavica (2017)
Automated intermittent boluses did not reduce pain or rescue opioid consumption compared with continuous infusion of ropivacaine. The automated intermittent bolus group had significantly less force on coughing and more hoarseness.