• Pain Res Manag · Jan 2018

    Observational Study

    Migraine Pain Location and Measures of Healthcare Use and Distress: An Observational Study.

    • Elizabeth Loder, Emma Weizenbaum, and Donald Giddon.
    • Division of Headache, Department of Neurology, Brigham and Women's Faulkner Hospital, Harvard Medical School, Boston, MA, USA.
    • Pain Res Manag. 2018 Jan 1; 2018: 6157982.

    IntroductionLateralized pain is a core diagnostic feature of migraine. In previous research, left-sided spinal pain was more frequent and associated with greater emotional distress and healthcare use than right-sided pain. We hypothesized therefore that patients with left-sided head pain might experience higher levels of distress or healthcare use than those with right-sided or bilateral pain.MethodsMedical record information was extracted for 477 randomly selected patients with migraine seen in 2011 in a tertiary headache clinic. This included demographic data, pain location, handedness, comorbid psychiatric diagnoses, medical and emergency department visits, and use of selected headache medications.Results And DiscussionTwo hundred twenty-eight of four hundred seventy-seven (47.8%) patients reported lateralized pain, of which 107 (47.9%) patients were right sided compared with 65 (28.5%) left-sided patients (p=0.001), while 56 (24.5%) reported unilateral pain with no side predominance. Contrary to expectations, with the exception of self-reported posttraumatic stress disorder, there were no statistically significant differences between left and right in measures of psychiatric distress, emergency department visits, or healthcare use.ConclusionAlthough unilateral pain location can be helpful in making a migraine diagnosis, it does not appear to have additional clinical implications. Additionally, its absence does not rule out a diagnosis of migraine since more than half of migraineurs have bilateral head pain.

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