Factors influencing patient satisfaction on postoperative patient-controlled analgesia (PCA) at King Chulalongkorn Memorial Hospital
Engsusophon, P.*
Chulalongkorn University, Anesthesiology, bangkok, Thailand
ESRA Academy. Engsusophon P. Sep 13, 2017; 190995; 516 Topic: PAIN THERAPY (ACUTE - CHRONIC)
Dr. Phatthanaphol Engsusophon
Dr. Phatthanaphol Engsusophon

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Background and Aims:

Patient-controlled analgesia (PCA) has been shown to ameliorate the clinical outcome and previous studies investigating the use of patient-controlled analgesia have incorporated evaluation of patient satisfaction. This study aims to identify the factors that influence patient satisfaction on postoperative patient-controlled analgesia at King Chulalongkorn Memorial Hospital


This prospective and descriptive study collected data from two hundred and eighty patients over 18 years of age undergoing elective and emergency surgery under anesthesia with postoperative patient-controlled analgesia provided under supervision and care of acute pain service at King Chulalongkorn Memorial Hospital from October 2013 to September 2014.  At in-patient unit, Verbal Numeric Rating Scale (VNRS) for pain intensity and patient satisfaction score (0-10; 0= worst and 10=best) for postoperative pain assessment of 280 patients were recorded by acute pain staffs at 24th hour and end of service. The data were statistically analyzed by SPSS version 22. Categorical data and continuous data were analyzed by Chi-square tests and unpaired t-test respectively. Multiple logistic regression was also used. P <0.05 was considered statistically significant.


At the end of the study, 85.4% of patients reported satisfaction score ≥ 8. Factors associated with good satisfaction score were lower VNRS, P= 0.006.Odd ratio= 0.316 (95%CI=0.140-0.716) and absence of vomiting, P= 0.003. Odd ratio=0.327 (95%CI=0.155-0.691)


Majority of the patients at the end of acute pain service reported high level of satisfaction on postoperative patient-controlled analgesia (PCA). Factors contributing to high satisfaction were lower VNRS and absence of vomiting.

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