Background Unpleasant experiences of dysmenorrhea can lead to increased anxiety. The anxiety associated with dysmenorrhea is a pain-related anxiety which might reduce the efficacy of medication as well as enhance the perception of pain. The present study evaluated the efficacy of eye movement desensitization and reprocessing (EMDR) in reducing anxiety among female university students with primary dysmenorrhea. Methods In this randomized controlled trial, 88 female university students were recruited from April 2019 to February 2020. Eligible participants were selected by convenience sampling and were allocated into study groups (44 individuals in the intervention group and comparison group) using balanced block randomization. The final sample comprised 78 participants who completed the study (39 individuals in each group). Data were collected using the Spielberger State-Trait Anxiety Inventory, Subjective Units of Distress Scale, and Validity of Cognition Scale before the intervention and at the time of the first menstrual period after completion of the intervention. The intervention group received EMDR in two individual interventional sessions which lasted approximately one hour. Data analysis was performed using analysis of variance with control of covariance method at a significance level of 0.05. Results The results of the study showed that EMDR did not have a statistically significant effect on State-Trait Anxiety of patients with dysmenorrhea (p > 0.05). Based on the Cohen’s d effect size of 0.06 for state-anxiety, -0.01 for trait-anxiety, and partial eta square less than 0.059 for both uncorrected and corrected models, the intervention was within a trivial effect. Conclusion EMDR intervention did not have a statistically and clinically significant effect on State-Trait Anxiety of patients with dysmenorrhea. Therefore, the efficacy of EMDR in treating dysmenorrhea-related anxiety remains inconclusive. Trial registration IRCT20180823040851N2 on 2019-02-09.
Background Unpleasant experience with the previous menstruation can increase the sensitivity to pain which may lead to moderate to severe pain in patients with dysmenorrhea. Eye movement desensitization and reprocessing (EMDR) is a psychological method to alleviate the distress from unpleasant memories and related events and can be used for other conditions such as anxiety, depression, and chronic pain. This protocol was designed to investigate the effect of EMDR therapy on pain intensity in patients with dysmenorrhea. Methods/Design A randomized clinical trial was designed in compliance with the Consolidated Standards of Reporting Trials (CONSORT). Female students who have moderate to severe primary dysmenorrhea (based on a visual analogue scale [VAS] score of at least 4 for two consecutive months) and who live in dormitories at Qazvin University of Medical Sciences in Qazvin, Iran will be invited to participate in the study. The total sample size will be 88 girls, who will be randomly assigned to intervention ( N = 44) and control (N = 44) groups. EMDR therapy will be performed for the intervention group, while the control group can use sedative or other pain relife methods as their routin... There will be six treatment sessions, which will be held twice a week. The duration of each session is 30–90 min, according to the convenience of each participant. The data will be collected using the demographic characteristics questionnaire, the VAS, the Subjective Units of Anxiety or Distress Scale (SUD), and the Validity of Cognition Scale (VOC). The data on pain intensity due to primary dysmenorrhea in both groups will be collected at 1 and 2 months before the intervention (to identify eligible participants) and 1 and 2 months after the intervention (follow-ups). Data will be analyzed by using SPSS version 25 software and analysis of variance (ANOVA) with repeated measures with appropriate post hoc tests. A P value of less than 0.05 will be considered significant. Discussion The results are expected to provide the information on the efficacy of EMDR therapy to manage moderate to severe pain in patients with primary dysmenorrhea. Ethics and dissemination The research proposal is approved by the human ethics committee of Qazvin University of Medical Sciences (IR.QUMS.REC.1397.100). The results of this trial will be submitted for publication in a peer-reviewed research journal. Trial registration IRCT20180823040851N1 . Registered on 6, October 2018. Electronic supplementary material The online version of this article (10.1186/s13063-019-3507-0) contains supplementary material, which is available to authorized users.
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