• Pain Med · Sep 2014

    Randomized Controlled Trial Comparative Study

    Changes in pain perception after pelvis manipulation in women with primary dysmenorrhea: a randomized controlled trial.

    • Silvia Molins-Cubero, Cleofás Rodríguez-Blanco, Angel Oliva-Pascual-Vaca, Alberto M Heredia-Rizo, Juan J Boscá-Gandía, and François Ricard.
    • Department of Physical Therapy, Faculty of Nursing, Physiotherapy and Podiatry, University of Sevilla, Sevilla, Spain.
    • Pain Med. 2014 Sep 1;15(9):1455-63.

    ObjectiveThis study aims to evaluate the immediate effect of a global pelvic manipulation (GPM) technique, bilaterally applied, on low back pelvic pain in women with primary dysmenorrhea (PD).DesignA prospective, randomized, double-blind, controlled trial.SettingFaculty of Nursing, Physiotherapy and Podiatry. University of Sevilla, Spain.MethodsThe sample group included 40 women (30 ± 6.10 years) that were divided into an experimental group (EG) (N = 20) who underwent a bilateral GPM technique and a control group (CG) (N = 20) who underwent a sham (placebo) intervention. Evaluations were made of self-reported low back pelvic pain (visual analog scale), pressure pain threshold (PPT) in sacroiliac joints (SIJs), and the endogenous response of the organism to pain following catecholamines and serotonin release in blood levels.ResultsThe intragroup comparison showed a significant improvement in the EG in the self-perceived low back pelvic pain (P = 0.003) and in the mechanosensitivity in both SIJs (P = 0.001). In the between-group comparison, there was a decrease in pain perception (P = 0.004; F(1,38) = 9.62; R(2) = 0.20) and an increase in the PPT of both SIJs, in the right side (P = 0.001; F(1,38) = 21.29; R(2) = 0.35) and in the left side (P = 0.001; F(1,38) = 20.63; R(2) = 0.35). There were no intergroup differences for catecholamines plasma levels (adrenaline P = 0.123; noradrenaline P = 0.281; dopamine P = 0.173), but there were for serotonin levels (P = 0.045; F(1,38) = 4.296; R(2) = 0.10).ConclusionThe bilateral GPM technique improves in a short term the self-perceived low back pelvic pain, the PPT in both SIJs, and the serotonin levels in women with PD. It shows no significant differences with a sham intervention in catecholamines plasma levels.Wiley Periodicals, Inc.

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