• Liping Zhao, Haishan Wu, Xihong Zhou, Qin Wang, Weiwei Zhu, and Jindong Chen.
• Department of Nursing, Second Xiangya Hospital, Central South University, Changsha 410011, PR China.
• Eur. J. Obstet. Gynecol. Reprod. Biol. 2012 Jun 1; 162 (2): 211-5.

ObjectivesTo explore the effects of progressive muscle relaxation (PMR) training on anxiety, depression and quality of life (QOL) of endometriosis patients under gonadotrophin-releasing hormone (GnRH) agonist therapy.Study DesignThis was a controlled, randomized, open-label study. One hundred consecutive Han Chinese endometriosis patients, aged 18-48 years, were randomly assigned to a PMR group (n=50) and a control group (n=50). In a study of 12 weeks' duration, both groups received one dose of depot leuprolide, 11.25mg IM. In addition to the GnRH agonist therapy, the PMR group received 12 weeks of PMR training. Anxiety level was measured using the state-trait anxiety inventory (STAI). Depression was assessed using subscale D of the hospital anxiety and depression scale (HADS-D). Health-related QOL was measured with SF-36 instrument. The patients were evaluated with STAI, HADS-D and SF-36 before and after the PMR intervention.ResultsThe control group and the PMR group were comparable at baseline. After 12 weeks of intervention, both groups showed significant improvement in overall QOL (P<0.05). The PMR group, but not the control group, showed significant improvement in state anxiety, trait anxiety and depression after intervention (P<0.05). Moreover, the PMR group showed significant improvement in all QOL domains after intervention; by contrast, the control group showed significant improvement in all physical health domains and only two mental health domains after intervention. Between-group comparisons of the improvement in scores after intervention showed that the PMR group had significantly better improvement in the scores of anxiety, depression and overall/domain QOL than the control group (P<0.05). Repeated measures ANOVA revealed that both PMR intervention and time had significant individual as well as interactive effects on state anxiety, trait anxiety depression and overall QOL (P<0.05).ConclusionsThis study suggests that PMR training is effective in improving anxiety, depression and QOL of endometriosis patients under GnRH agonist therapy. This is the first study to explore the effects of psychosomatic therapy on emotional status and QOL of endometriosis patients, and may serve as an important reference for future psychosomatic interventions on endometriosis.Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.

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