Korean J Anesthesiol.
2001 Sep;41(3):318-323. 10.4097/kjae.2001.41.3.318.
The Effect of the IV-PCA (Intravenous-Patient Controlled Analgesia) on the Recovery Index
- Affiliations
-
- 1Department of Anesthesiology, College of Medicine, Chungbuk National University, Cheongju, Korea.
- 2Medical Research Institute, College of Medicine, Chungbuk National University, Cheongju, Korea.
- KMID: 2031884
- DOI: http://doi.org/10.4097/kjae.2001.41.3.318
Abstract
- BACKGROUND
It is well known that intravenous patient controlled analgesia (IV-PCA) is an effective method to reduce the magnitude of postoperative pain. However, we do not know the appropriate time to start the IV-PCA. To determine the appropriate time to minimalize the sympathetic stimulation and shorten the awakening time after general anesthesia, experiments to indicate whether starting an infusion of the IV-PCA before the end of an operation has a minimal hemodynamic change and similar recovery index compared with the control group were done.
METHODS
Seventy-eight patients scheduled for a total abdominal hysterectomy were randomly allocated to two groups. In the IV-PCA group (n = 37), we started the infusion of the IV-PCA before the end of the operation and in the control group (n = 41) which received no IV-PCA, we did not use the IV-PCA as a postoperative pain control method. We measured heart rate, blood pressure, postanesthesia recovery score every 10 minutes for 60 minutes and awakening time at the post-anesthesia care unit.
RESULTS
The postanesthesia recovery scores on arrival, 10, 20, 30, 40 and 50 minute after arrival at the post-anesthesia care unit were lower in the IV-PCA group than in the control group. In addition the awakening time after vaporizer-off and at the post-anesthesia care unit was longer in the IV-PCA group than in the control group.
CONCLUSIONS
We conclude that starting the infusion of the IV-PCA before the end of the operation is not effective in early recovery and awakening.
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