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Fibromyalgia Among Patients With Chronic Migraine and Chronic Tension‐Type Headache: A Multicenter Prospective Cross‐Sectional Study
Author(s) -
Cho SooJin,
Sohn JongHee,
Bae Jong Seok,
Chu Min Kyung
Publication year - 2017
Publication title -
headache: the journal of head and face pain
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.14
H-Index - 119
eISSN - 1526-4610
pISSN - 0017-8748
DOI - 10.1111/head.13191
Subject(s) - medicine , migraine , fibromyalgia , cross sectional study , odds ratio , comorbidity , headaches , chronic migraine , depression (economics) , outpatient clinic , anxiety , physical therapy , chronic pain , psychiatry , pathology , economics , macroeconomics
Objectives To investigate the frequency and impact of fibromyalgia among patients with chronic migraine (CM) and chronic tension‐type headache (CTTH). Background Fibromyalgia (FM) is a common comorbidity in patients with chronic headaches. CM and CTTH are the two common types of chronic headaches. Methods We conducted a cross‐sectional study in neurology outpatient clinics of four university hospitals and selected first‐visit 136 patients with CM and 35 patients with CTTH. FM was assessed based on the 2010 American College of Rheumatology diagnostic criteria. Results The frequency of FM was significantly higher among patients with CM when compared to those with CTTH (91/136 [66.9%] vs 9/35 [25.7%], P < .001). Logistic regression analyses revealed an increased odds ratio (OR) for FM for patients with CM when compared to those with CTTH after adjustment for age, sex, anxiety, depression, and insomnia (OR = 3.6, 95% confidence interval = 1.1‐11.4). Furthermore, CM patients with FM had higher scores in FM Impact Questionnaire compared to CTTH patients with FM (51.5 ± 16.3 vs 43.7 ± 18.7, P = .015). Comorbidity of FM was associated with increased frequency of photophobia, phonophobia, anxiety, depression, and insomnia among patients with CM. Such association was not noted among patients with CTTH. Conclusion FM based on 2010 American College of Rheumatology diagnostic criteria was more prevalent among patients with CM than those with CTTH. Some clinical features and comorbidities of CM varied with the presence of FM.