• DICP · Oct 1991

    Retrospective evaluation of patient-controlled analgesia use in a large teaching institution.

    • M A Smythe, S E Martin, and R F Schad.
    • Department of Pharmacy Practice, Wayne State University, Detroit, MI 48202.
    • DICP. 1991 Oct 1; 25 (10): 1058-61.

    AbstractBecause of a significant increase in the number of patients receiving patient-controlled analgesia (PCA) therapy at our institution, we conducted a review of PCA use. Our objectives were to determine if a PCA recording document (monitoring form) could be used to identify potential problems associated with PCA therapy and to identify measures that could be taken to improve analgesic therapy with this method of administration. The PCA recording document for each patient was reviewed retrospectively to identify patients suspected of having problems with the therapy. Three criteria addressing duration of therapy, change in prescribed narcotic, and respiratory rate were used to evaluate PCA therapy. The standard was set at 100 percent. Complete patient records were reviewed for those patients not meeting the standard to determine whether problems actually existed. PCA recording documents were reviewed for 518 patients. Sixty-one patients did not meet the standard. Of these 61 patients, 41 (67.2 percent) were found to have problems with PCA therapy. Suspected adverse reactions occurred in 27 of these 41 patients and 14 experienced inadequate pain control. Nausea and vomiting were the most prevalent adverse reactions. Our results indicate that PCA therapy is discontinued in many patients because of inadequate pain relief and suspected narcotic-induced nausea and vomiting. To improve analgesic therapy, clinicians should be reeducated regarding ways to optimize analgesic therapy, and a prospective PCA monitoring service should be considered.

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