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ABSTRACT: Purpose
Over 25 million Americans reported having daily pain and between 5 and 8 million Americans used opioids to treat chronic pain in 2012. This is the first systematic review with meta-analysis to determine the effects of long-term opioid use on the Physical Component Summary (PCS) score and Mental Component Summary (MCS) scores of a Health-Related Quality of Life instrument in adults without opioid use disorder.Methods
The a priori eligibility criteria for the PubMed (MEDLINE), Scopus, and PsyINFO searches were (1) randomized controlled trial, (2) at least one opioid intervention group, (3) minimum of 4-week duration of opioid use, (4) comparative control group, and (5) adults ≥18 years that do not have dominant disease. The unit of analysis was the standardized mean difference effect size (Hedges's g). All results were pooled using random-effects models.Results
Of the 340 non-duplicate citations screened, 19 articles comprising 26 treatment comparisons and 6168 individuals (treatment n = 3160; comparators n = 3008 with duplicates removed) met the inclusion criteria for the systematic review. Thirteen treatment comparisons were available for the meta-analysis. Across all PCS analyses, small, statistically significant improvements were observed (opioid versus opioid only: g = 0.27, 95% CI 0.05-0.50, opioid versus placebo only: g = 0.18, 95% CI 0.08-0.28, and all studies combined: g = 0.22, 95% CI 0.11-0.32). There were small but not statistically significant changes on the MCS scores. Overall, high heterogeneity was present.Conclusions
PCS scores improve with no change in MCS scores. However, long-term opioid trials are rare and only two trials included lasted longer than 1 year.
SUBMITTER: Thornton JD
PROVIDER: S-EPMC5511070 | biostudies-literature | 2017 Aug
REPOSITORIES: biostudies-literature
Thornton J Douglas JD Goyat Rashmi R Dwibedi Nilanjana N Kelley George A GA
Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation 20170302 8
<h4>Purpose</h4>Over 25 million Americans reported having daily pain and between 5 and 8 million Americans used opioids to treat chronic pain in 2012. This is the first systematic review with meta-analysis to determine the effects of long-term opioid use on the Physical Component Summary (PCS) score and Mental Component Summary (MCS) scores of a Health-Related Quality of Life instrument in adults without opioid use disorder.<h4>Methods</h4>The a priori eligibility criteria for the PubMed (MEDLIN ...[more]