Abstract
Objectives
–
Previous studies indicate that post-stroke anxiety is common and
persistent. We aimed to determine whether point prevalence of anxiety
after stroke is higher than in the population at large, and whether the
profile of anxiety symptoms is different.
Design
– Case-control study.
Setting
–
The study was conducted in Göteborg, Sweden, with stroke patients
recruited from the Sahlgrenska University Hospital and a comparison
group selected from local population health studies. Participants
– We included 149 stroke survivors (assessed at 20 months post-stroke)
and 745 participants from the general population matched for age and
sex.
Measurements
A comprehensive
psychiatric interview was conducted, with anxiety and depressive
disorders diagnosed according to DSM-III-R criteria.
Results
–
Those in the stroke group were significantly more likely than those in
the comparison group to have generalized anxiety disorder (GAD) (27%
versus 8%), phobic disorder (24% versus 8%) and obsessive-compulsive
disorder (9% versus 2%). Multivariate regression indicated that being in
the stroke group, female sex, and having depression were all
significant independent associates of having an anxiety disorder. In
terms of symptom profile, stroke survivors with GAD were significantly
more likely to report vegetative disturbance than those in the
comparison group with GAD but less likely to have observable muscle
tension or reduced sleep.
Conclusions
–
Point prevalence of anxiety disorders is markedly higher after stroke
than in the general population, and this cannot be attributed to higher
rates of co-morbid depression.
I find that most of my anxiety has to do with my feeling of vulnerability: I'm anxious that a coyote might attack my dog when I (instead of my husband) take him out to pee at night; it's absolutely because I wouldn't be able to chase the F'ing thing away. So I worry about it instead, and anxiety grabs me by the throat whenever my husband isn't there to take the dog out.
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