Characteristics of generalized anxiety disorder in patients with dementia.

Calleo JS, Kunik ME, Reid D, Kraus-Schuman C, Paukert A, Regev T, Wilson N, Petersen NJ, Snow AL, Stanley M. Characteristics of generalized anxiety disorder in patients with dementia. American journal of Alzheimer's disease and other dementias. 2011 Nov 7; 26(6):492-7.

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Abstract:

BACKGROUND: Overlap of cognitive and anxiety symptoms (i.e., difficulty concentrating, fatigue, restlessness) contributes to inconsistent, complicated assessment of generalized anxiety disorder (GAD) in persons with dementia. METHODS: Anxious dementia patients completed a psychiatric interview, the Penn State Worry Questionnaire-Abbreviated, and the Rating for Anxiety in Dementia scale. Analyses to describe the 43 patients with and without GAD included the Wilcoxon Mann-Whitney two-sample test, Fisher's exact test. Predictors of GAD diagnosis were identified using logistic regression. RESULTS: Those with GAD were more likely to be male, have less severe dementia and endorsed more worry, and anxiety compared to patients without GAD. Gender, muscle tension and fatigue differentiated those with GAD from those without GAD. CONCLUSIONS: Although this study is limited by a small sample, it describes clinical characteristics of GAD in dementia, highlighting the importance of muscle tension and fatigue in recognizing GAD in persons with dementia.