Resumen

MELCHIOR, Melissa de Oliveira et al. Mindfulness-based intervention reduces sensitivity parameters in women with chronic painful TMD. SMAD, Rev. Eletrônica Saúde Mental Álcool Drog. (Ed. port.) [online]. 2020, vol.16, n.3, pp. 64-72. ISSN 1806-6976.  http://dx.doi.org/10.11606/issn.1806-6976.smad.2020.167701.

OBJECTIVE: manifestations of allodynia and hyperalgesia are commonly present in chronic painful temporomandibular disorder. Studies point to the benefits of people with chronic pain undergoing mindfulness-based interventions, by demonstrating brain, hormonal, and clinical changes. This study aimed to analyze clinical parameters suggestive of central sensitization (pressure pain threshold, allodynia, and hyperalgesia) in women with chronic painful temporomandibular disorder before and after a mindfulness-based intervention, through a before-and-after intervention study, longitudinal, uncontrolled. METHOD: the analysis included 11 women chosen at random from a total of 20, aged between 27 and 44 years (36.36 ± 5.61), diagnosed with chronic painful temporomandibular disorder according to the Diagnostic Criteria for Temporomandibular Disorders protocol and who completed the 8-week mindfulness-based intervention program. Hyperalgesia, allodynia, and pressure pain threshold were tested at trigeminal and extra-trigeminal points before and after the intervention as well as the application of the questionnaire to measure the level of mindfulness (Mindful Attention Awareness Scale). The 8-week mindfulness program was offered to the study participants, based on the Mindfulness Trainings International - protocol, in weekly 2-hour sessions and a 4-hour session (immersion). RESULTS: the results pointed to a reduction in allodynia, hyperalgesia and an increase in pressure pain threshold, with significant differences in several tested points (p <0.05). The changes identified were accompanied by a significant increase in the level of mindfulness (p < 0.05). CONCLUSION: healthier indexes in clinical parameters suggestive of central sensitization investigated after the intervention represent a significant improvement in the person's relationship with a chronic illness that generates continuous unpleasant experiences such as temporomandibular disorder. Thus, the practice of mindfulness represents an appropriate and particularly interesting care because it is a low-cost, non-invasive intervention with low evidence of adverse effects.

Palabras clave : Mindfulness; Temporomandibular Joint Disorders; Chronic Pain; Hyperalgesia.

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