Mahmoud Mansour, Scott Ehrenberg, Naim Mahroum, Avishai M. Tsur, Lior Fisher, Howard Amital

The existence of a bidirectional link between ischemic heart disease and fibromyalgia

  • Cardiology and Cardiovascular Medicine
  • General Medicine

Study objectives Fibromyalgia (FM) is one of the most common causes of chronic widespread musculoskeletal pain, but also sleep disturbances, cognitive and psychological disorders. It has been suggested that FM may have a correlation with cardiovascular events. In this study, we aimed to assess the association between FM and ischemic heart disease (IHD). Methods A population-based cross-sectional study was conducted utilizing data retrieved from the largest medical records database in Israel, Clalit Health Services. Patients were defined as having FM or IHD when there were at least two such documented diagnoses in their medical records. The occurrence of IHD was compared between FM and age- and sex-frequency-matched healthy controls. A logistic regression model was used to estimate this association following an adjustment for conventional cardiovascular risk factors and depression. Results An overall population of 18 598 FM patients and 36 985 age- and gender-matched controls were included in the study. The proportion of IHD amongst FM patients was increased in comparison to controls (9.2% and 6.2%, respectively; P < 0.001). Furthermore, FM demonstrated an independent association with IHD on multivariate analysis (odds ratio [OR], 1.43; 95% confidence intervals [CI], 1.33–1.54; P < 0.0001). Finally, IHD was also found to be independently associated with the diagnosis of FM (OR, 1.40; CI, 1.31–1.51; P < 0.0001). Conclusion Our data suggest a bidirectional link between FM and IHD even after the adjustment for conventional cardiovascular risk factors. These findings should be considered when treating patients with either FM or IHD, and their routine interactional screening may be of clinical importance.

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