Patient controlled analgesia versus conventional analgesia for postoperative pain

AUTHORS

Arman Taheri 1 , Nadereh Memaryan 2 , * , Seyed Reza Ojaghi-Haghighi 3 , Manelieh Sadeghi 3

1 Department of Anesthesia, Critical Care and Pain Management, Tehran University of Medical Sciences, Tehran, Iran., Andorra

2 Department of Mental & Social Health, Ministry of Health, Treatment and Medical Education, Tehran, Iran., Andorra

3 Department of Anesthesia, Oil Company Hospital, Tehran, Iran., Andorra

How to Cite: Taheri A , Memaryan N, Ojaghi-Haghighi S R , Sadeghi M . Patient controlled analgesia versus conventional analgesia for postoperative pain, Ann Mil Health Sci Res. 2014 ; 12(2):e63367.

ARTICLE INFORMATION

Annals of Military and Health Sciences Research: 12 (2); e63367
Published Online: July 22, 2014
Article Type: Original Article
Received: February 19, 2014
Accepted: April 23, 2014

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Abstract

Materials and Methods: In a clinical trial the PCA group received self-administered intermittent intravenous morphine via PCA and the conventional group received intravenous Pethidine every 6 hours per day. The patients were assessed on an hourly basis for the first 4 hours after surgery, every 2 hours for the next 8 hours and every 4 hours for next 12 hours. Two methods were used in order to evaluate the degree of pain relief in patients: (1) facial pain scale; pain assessment based on the patient’s appearance and (2) numerical rating scale; based on patient ratings of their  pain.

Results: Forty eight patients (79.1% female, 20.1% male) with a mean age of 45.7 ± 10.7 years old were enrolled into the study. During the first 24 hours after laparoscopic cholecystectomy, pain intensity based on facial pain scale was lower in the PCA group. However, the difference was significant only in the second hour (mean pain score in PCA group: 2.9, mean pain score     in conventional group: 3.7, P = .007). Also, the mean pain scores based on numerical rating scale were significantly lower in PCA group except for the first hour. Although it was not significantly lower than conventional group (mean pain score in PCA group: 4.2, mean pain score in conventional group: 4.6, P =   .45).

Conclusion: Intravenous PCA resulted in better postoperative pain reduction compared to intermittent bolus opioid delivery in laparoscopic    cholecystectomy.

Keywords

cholecystectomy postoperative pain patient controlled analgesia pain management intravenous opioids.

© 2014, Annals of Military and Health Sciences Research. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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