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Women with Chronic and Episodic Migraine Exhibit Similar Widespread Pressure Pain Sensitivity.

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Women with Chronic and Episodic Migraine Exhibit Similar Widespread Pressure Pain Sensitivity.

Pain Med. 2016 Apr 15;

Authors: Palacios-Ceña M, Lima Florencio L, Natália Ferracini G, Barón J, Guerrero ÁL, Ordás-Bandera C, Arendt-Nielsen L, Fernández-de-Las-Peñas C

Abstract
OBJECTIVE: To investigate widespread pressure hyperalgesia in the trigemino-cervical and extra-trigeminal (distant pain-free) regions in women with episodic and chronic migraine.
METHODS: Fifty-one women with episodic migraine, 52 women with chronic migraine, and 52 healthy women without headache history were recruited. Pressure pain thresholds (PPT) were bilaterally assessed over the trigeminal area (i.e., temporalis muscle), cervical area (i.e., C5/C6 zygapophyseal joint), and two extra-trigeminal areas (i.e., second metacarpal, tibialis anterior muscle) in a blinded design. Clinical features of migraine and anxiety/depression (Hospital Anxiety and Depression Scale, HADS) were also assessed.
RESULTS: The multivariate analysis of covariance (ANCOVA) revealed that PPTs were significantly decreased bilaterally over trigeminal and extra-trigeminal points in migraine patients compared to healthy women (all sites,P?<?0.001). No differences between episodic and chronic migraine were observed (all,P?>?0.919). The presence of neck pain (all,P?>?0.282), anxiety (P?>?0.425) or depression (all,P?>?0.316) did not influence the results. The intensity of migraine pain was negatively associated with widespread pressure pain sensitivity: The greater the intensity of migraine attacks, the lower the widespread PPT levels, i.e., the greater the widespread sensitization.
CONCLUSIONS: This study found similar widespread pressure hypersensitivity in women with episodic or chronic migraine suggesting that central manifestations are involved both in episodic and chronic migraine.

PMID: 27084411 [PubMed – as supplied by publisher]

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