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Hokkaido University Collection of Scholarly and Academic Papers >
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Efficacy and Practicality of Opioid Therapy in Japanese Chronic Noncancer Pain Patients
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Title: | Efficacy and Practicality of Opioid Therapy in Japanese Chronic Noncancer Pain Patients |
Authors: | Shindo, Yukari Browse this author | Iwasaki, Soushi Browse this author | Yamakage, Michiaki Browse this author |
Issue Date: | Jun-2019 |
Publisher: | Elsevier |
Journal Title: | Pain management nursing |
Volume: | 20 |
Issue: | 3 |
Start Page: | 222 |
End Page: | 231 |
Publisher DOI: | 10.1016/j.pmn.2018.09.010 |
Abstract: | Background: Many Japanese adults suffer from chronic pain. However, 50% of these individuals discontinue treatment despite the persistence of pain. Both clinicians and patients in Japan tend to be concerned about the safety and efficacy of opioid therapy, and the use of opioids in chronic non-cancer pain remains less common in Japan than elsewhere. Aims: This study examined the effects of opioid therapy on the daily lives of patients with chronic noncancer pain in Japan, where use of opioids for this type of pain remains uncommon. Design: Prospective cross-sectional questionnaire study. Setting: Data were collected over two periods, between March and April 2014 at one hospital, and between February and April 2015 at the other hospital. Subjects were recruited at the respective clinics by the study interviewer between March 1, 2014 and April 15, 2014 and between February 1, 2015 and April 15, 2015. Participants/Subjects: This study included 34 outpatients with chronic non-cancer pain who were being treated with opioid analgesics at pain clinics in two hospitals in Sapporo. Methods: Thirty-four Japanese patients receiving opioid medications for chronic noncancer pain in outpatient pain clinics were enrolled. Participants underwent interviews and completed the Japanese versions of the Short Form 36 (SF-36v2) and the Coping Strategies Questionnaire (CSQ). Results: Sleep disruption, claiming compensation for work-related accidents, and current pain level were negatively correlated with opioid effectiveness (p < .05). Additionally, opioid effectiveness was negatively correlated with the catastrophizing subscale of the CSQ (r = -0.50, p < .01). The effects of opioid therapy had a low positive correlation with the emotional functioning role subscale of the SF-36v2 (r = 0.38, p < .05). Daily equivalent morphine dose was positively correlated with opioid therapy duration, interference with appetite, and current pain intensity. Morphine dose was also positively correlated with scores for the catastrophizing subscale of the CSQ(r = 0.36, p < .05) and negatively correlated with scores in all subdomains of the SF-36v2. Conclusions: It is important to focus on adaptive, cognitive, and emotional factors, such as emotional role functioning, to determine the efficacy of opioid treatment for chronic noncancer pain. Moreover, patients with catastrophizing significantly increased their morphine doses, resulting in an increased risk of overdose. (C) 2018 The Authors. Published by Elsevier Inc. on behalf of the American Society for Pain Management Nursing. |
Rights: | https://creativecommons.org/licenses/by-nc-nd/4.0/ |
Type: | article |
URI: | http://hdl.handle.net/2115/75149 |
Appears in Collections: | 保健科学院・保健科学研究院 (Graduate School of Health Sciences / Faculty of Health Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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