British Journal of Anaesthesia, Vol 82, Issue 1 52-55, Copyright © 1999 by The Board of Management and Trustees of the British Journal of Anaesthesia
B. Morlion, E. Ebner, A. Weber, W. Finke and C. Puchstein
We have examined the influence of bolus size on efficacy, opioid
consumption, side effects and patient satisfaction during i.v. patient-
controlled analgesia (PCA) in 60 patients (ASA I-II, aged 32-82 yr) after
abdominal surgery. Patients were allocated randomly, in a double- blind
manner, to receive PCA with a bolus dose of either piritramide 0.75 mg or
1.5 mg (lockout 5 min) for postoperative pain control. Mean 24 h
piritramide consumption differed significantly between groups (11.4 (SD
5.8) mg vs 22.5 (18.3) mg; P = 0.001). There were no significant
differences in the number of applied bolus doses, pain scores, pain relief
(VAS), sedation, nausea, pruritus and patient satisfaction. We conclude
that a PCA regimen with a bolus dose of piritramide 0.75 mg and a lockout
time of 5 min was effective in the treatment of postoperative pain, but did
not reduce the occurrence of side effects.
CLINICAL INVESTIGATIONS
Influence of bolus size on efficacy of postoperative patient-controlled analgesia with piritramide
Department of Anaesthesiology and Intensive Care, Pain Clinic Section, Marienhospital Herne, Ruhr-University of Bochum, Holkeskampring 40, D-44625 Herne, Germany
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