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Patient-controlled analgesia for conscious sedation during colonoscopy: a randomized controlled study
E Stermer1, L Gaitini, M Yudashkin
1Department of Gastroenterology, Bnei Zion Medical Center, Haifa, Israel.
Gastrointestinal Endoscopy
|March 4, 2000
Summary
Patient-controlled analgesia (PCA) offers comparable patient tolerance and safety during colonoscopy as standard sedation. This method allows patients to self-administer pain relief, with similar outcomes to anesthesiologist-controlled methods.
Area of Science:
- Gastroenterology
- Anesthesiology
- Clinical Medicine
Background:
- Colonoscopy requires effective sedation and analgesia for patient comfort.
- Patient-controlled anesthesia (PCA) is an alternative method for managing pain during procedures.
Purpose of the Study:
- To evaluate if patient-controlled anesthesia (PCA) improves patient tolerance during colonoscopy compared to standard sedation.
- To compare patient-reported pain and physician assessments of tolerance between PCA and standard sedation groups.
Main Methods:
- A randomized controlled trial involving 56 patients undergoing colonoscopy.
- Patients were assigned to either standard sedation or PCA with meperidine and midazolam.
- Cardiopulmonary parameters and pain scores (0-10 scale) were recorded.
Main Results:
- No significant difference in mean pain scores between the PCA group (4.85) and the control group (5.30).
- Physician assessments of tolerance were lower (better) than patient assessments in both groups.
- No significant differences in safety parameters like oxygen saturation were observed between groups.
Conclusions:
- Patient-controlled analgesia (PCA) is as effective as standard sedation for patient tolerance during colonoscopy.
- PCA demonstrates comparable safety to standard sedation methods in this study population.
- Further research may explore patient preferences and optimal titration of PCA in endoscopic procedures.