Journal of Anesthesiology and Pain

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  Aims and background: Psychologists have looked for measuring credibility and effectiveness of psychological interventions in chronic pain field, in recent years. In this regard, meta-analysis can defines the effect rate of psychological interventions by integrating the obtained results from different studies. Materials and methods: This study wants to study the effective rate of psychological interventions on reducing pain severity, follows meta-analysis model. For this purpose 20 Studies with appropriate methodology accepted were selected and meta-analysis using. The research tool was meta-analysis check list. It seems that a meta-analysis study with accurate rate of psychological interaction on pain severity would be helpful. On the other hand, meta-analysis can prepare a clear result about this intervention. Findings: According to the findings of this study, the magnitude of the effect is equal to 1.25, which is high according to the Cohen effect size interpretation table. The most significant effect (1.81) is related to Sheikhi, et.al (2016) and the least amount of effect (0.54) in this research is related to the research of Amirani, et.al (2014). Conclusion: The results of the meta-analysis showed that psychological treatments have a high effect on reduction of chronic pain. In sum, evidence suggests psychological treatment of chronic pain is promising.

Keywords: Meta-Analysis, Chronic pain, Psychological treatments, Effectiveness

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