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Patient-controlled analgesia for postcholecystectomy pain: a pilot study
L Gonsalves1, E C Covington, T Broughan
1Section of Liaison Psychiatry, Cleveland Clinic Foundation, Ohio 44195.
Cleveland Clinic Journal of Medicine
|January 1, 1990
Summary
Patient-controlled analgesia (PCA) effectively manages postoperative pain, with most patients reporting good pain relief and satisfaction. However, careful monitoring is needed due to potential complications like respiratory depression.
Area of Science:
- Anesthesiology
- Pharmacology
- Pain Management
Background:
- Postoperative pain management aims to balance analgesia and side effects.
- Patient-controlled analgesia (PCA) allows self-administration of narcotics within physician-set limits.
Purpose of the Study:
- To evaluate the efficacy and patient satisfaction with PCA for postoperative pain control.
- To determine effective serum morphine concentrations for analgesia.
Main Methods:
- Prospective study of 24 patients undergoing elective cholecystectomy.
- 11 patients were assigned to PCA; 8 completed the study.
- Serum morphine levels were monitored.
Main Results:
- Most patients (8/8) who completed the study experienced good analgesia and were satisfied with PCA.
- Serum morphine concentrations of 10-30 ng/mL were sufficient for analgesia in 6 of 8 patients.
- No significant cognitive or psychological side effects were observed.
Conclusions:
- PCA is a viable option for postoperative pain management after cholecystectomy, offering good analgesia and patient satisfaction.
- Potential complications such as respiratory depression and abdominal cramps require vigilance.
- Therapeutic serum morphine concentrations for effective analgesia were identified.