British Journal of Anaesthesia, 1988, Vol. 60, No. 1 48-55
© 1988 The Board of Management and Trustees of the British Journal of Anaesthesia
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DOUBLE-BLIND, MULTIPLE-DOSE COMPARISON OF BUPRENORPHINE AND MORPHINE IN POSTOPERATIVE PAIN OF CHILDREN
Children's Hospital, University of Helsinki Stenbäckinkatu 11, SF-00290 Helsinki, Finland.
Department of Clinical Pharmacology, University of Helsinki Paasikivenkatu 4, SF-00250 Helsinki, Finland.
In a randomized double-blind study of 57 children (aged 6 months6 yr), pain following lateral thoracotomy was relieved with repeated i.v. doses of morphine 100 or 50 µg kg1, or buprenorphine 3.0 or 1.5 µg kg1. The same drug and dosage were continued and cardio-ventilatory indices, pain intensity and sedation measured for an observation period of 24 h. The sums of the pain intensity differences were equal in all groups. The mean doses for the complete initial analgesia were 230 and 180 µg kg1 with the larger and the smaller bolus doses of morphine and 5.8 and 3.7 µg kg1 with buprenorphine, respectively. The mean duration of action of buprenorphine was slightly but not significantly longer than that of morphine. The total consumption of both morphine and buprenorphine was less when the smaller bolus doses were used. Two patients developed a degree of ventilatory depression following repeated doses of buprenorphine. Buprenorphine was equal to morphine as a postoperative analgesics.
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