Introduction Previous studies by Gourlay and coworkers1-3 have demonstrated that in adults undergoing surgery, methadone has slow elimination and a very long duration of effective analgesia. For children, intramuscular injections are a major source…
The kinetics of morphine in the plasma of children (0 to 15 yr) can in most cases be adequately described by a triexponential function. When the dosage in children receiving morphine as premedication before surgery is based on kilograms of body…
Assessment of sympathoadrenal medullary system (SAM) activity is only possible to date via measurement of catecholamines in blood plasma or via electrophysiological methods. Both ways of measurement are restricted to endocrinological or…
