Incidence of sleep disturbances in patients with familial Mediterranean fever and the relation of sleep quality with disease activity

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Abstract

Aim:

To evaluate the sleep quality and the relation of sleep quality with depression, anxiety, fatigue and disease activity in adult patients with familial Mediterranean fever (FMF).

Method:

One hundred and seventy-four FMF patients and 84 age-sex matched healthy individuals were included in this study. The Pittsburgh Sleep Quality Index (PSQI), Multidimensional Assessment of Fatigue (MAF) and the Hospital Anxiety and Depression Index (HADS) were used to assess sleep quality, fatigue, depression and anxiety, respectively.

Result:

FMF patients had significantly higher depression, anxiety, fatigue and PSQI scores than healthy controls. As the severity of the disease increased, scores of total PSQI and its domains increased. Patients with total PSQI score higher than 5 had statistically significantly higher erythrocyte sedimentation rates (ESR), serum C-reactive protein and serum amyloid levels during attacks, more attack numbers in last 3 months and worse fatigue, depression scores. Total PSQI score was positively correlated with inflammatory markers during attacks, attack numbers in the last 3 months and fatigue score. Logistic regression models identified disease duration, ESR during attacks, fatigue, attack numbers in the last 3 months as predictors of poor sleep quality.

Conclusion:

Poor sleep quality is common in adult FMF patients. Anxiety, depression and fatigue are more frequent in FMF patients than healthy individuals. Poor sleep quality is associated with inflammatory marker levels during attacks, fatigue and attack numbers in the last 3 months.

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