Does clonidine prolong the effect of ropivacaine for axillary brachial plexus blockade?
The addition of 150 microg of clonidine to ropivacaine, for brachial plexus blockade, prolongs motor and sensory block and analgesia, without an increased incidence of side effects.
While LDX reduced the core symptoms of ADHD to a similar degree in treatment-naïve and previously treated groups of children with ADHD, more cardiovascular effects were measured in stimulant-naïve children than in children who had previously been exposed to stimulant treatment. Future controlled studies with larger samples should address the impact of prior stimulant exposure on other ADHD treatments.