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Pharmaco-economic evaluation of a disposable patient-controlled analgesia device and intramuscular analgesia in surgical patients

  • J. D’Haese (a1), C. Vanlersberghe (a1), V. Umbrain (a1) and F. Camu (a1)

Abstract

The present study contrasted the pharmaco-economics and analgesic efficacy of intramuscular (i.m.) opioid treatment with a parenteral disposable patient-controlled analgesia (PCA) system in two groups of 20 female patients (ASA I–II, aged 35–69 years) scheduled for abdominal hysterectomy. The PCA group received a continuous infusion of 1.5 mg h−1 piritramide, a μ-opioid receptor agonist, with incremental doses of 1.5 mg (lock-out interval=15 min). The i.m. group received 0.3 mg kg−1 piritramide i.m. when requested by the patient with a minimum interval of 5 h. Pain intensity, sedation and the functional recovery of the patients were followed for 72 h post-operatively. The sum of pain intensity differences (SPID) was used as a measure of analgesic efficiency. Equipment and drug costs, and the demand on nursing time were recorded over 3 days post-operatively. The costs of PCA and i.m. therapies per patient were used to calculate the cost-benefit (cost of treatment vs. nursing time) and cost-effectiveness (cost of treatment vs. SPID) analyses. Both treatments initially provided comparable analgesia, but PCA was more efficient after 16 h and significantly reduced nursing time for pain treatment (PCA=61±4 min, i.m.=88±5 min; P<0.001). Functional recovery was not different for either treatment. Cost analysis indicated a better cost-benefit ratio for the i.m. treatment (0.35 vs. 1.1 for PCA treatment), but a similar cost-effectiveness for both treatments (PCA=1.9 Belgian Francs (BEF) unit−1 SPID; i.m.=1.7 BEF unit−1 SPID).

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Corresponding author

Correspondence: J. D’Haese, Department of Anaesthesiology, Flemish Free University of Brussels Medical Centre, Laarbeeklaan 101, 1090 Brussels, Belgium.

Keywords

Pharmaco-economic evaluation of a disposable patient-controlled analgesia device and intramuscular analgesia in surgical patients

  • J. D’Haese (a1), C. Vanlersberghe (a1), V. Umbrain (a1) and F. Camu (a1)

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