• Kyoungsook Kim, Suna Choi, Myouyun Park, Junghee Kim, Kwanghee Kim, Eunjin Song, Nagyeong Kim, Seyeon Park, and Youngshin Song.
• From the Department of Nursing, Chungnam National University Hospital, Daejeon, Republic of Korea.
• Pain Manag Nurs. 2024 Apr 1; 25 (2): e93e98e93-e98.

BackgroundPost-operative pain is a common form of acute pain. Objective pain assessment in post-anesthesia care units after surgery is useful regardless of the patient's condition.AimsThis study aimed to develop and evaluate an acute pain assessment tool for patients in post-anesthesia care units.DesignThis was a cross-sectional observational study comprising two stages: scale development and psychometric evaluation.Settings .Participants/Subjects .MethodsScale items were developed based on a literature review and content validity by experts. The validity and interrater reliability of the pain scale were evaluated using data from 218 patients admitted to the post-anesthesia care unit at a university hospital. A receiver operating characteristic curve was used to identify the sensitivity and specificity for determining the cutoff point for acute pain.ResultsWe developed an objective acute pain scale, called the APA5, which ranges from 0-10 and comprises behavioral (facial and verbal expressions and body movement) and physiological (changes in heart rate and blood pressure) responses. The APA5 is valid and reliable for assessing acute pain in the recovery room. Sensitivity and specificity were acceptable when the cutoff was 2 out of 10 points.ConclusionsThe APA5 is an easy and simple tool for measuring pain in patients in post-anesthesia care units who have difficulties with self-reporting.Copyright © 2023. Published by Elsevier Inc.

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