Natural history, predictors and associated outcomes of anxiety up to 10 years after stroke: the South London Stroke Register

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Abstract

Background: evidence on the long-term natural history, predictors and outcomes of anxiety after stroke is insufficient to inform
effective interventions. This study estimates within 10 years of stroke: (i) the incidence, cumulative incidence, prevalence, and time
of onset of anxiety. (ii) Predictors of anxiety and its association with depression. (iii) The association between anxiety 3 months
after stroke and mortality, stroke recurrence, disability, cognitive impairment and quality of life (QoL) at follow-up.
Methods: data from the South London Stroke Register (1995–2010). Patients were assessed at the time of the stroke, at 3
months, 1 year and then annually for up to 10 years. Baseline data included socio-demographics and stroke severity. Follow-up
data included assessments for anxiety and depression (hospital anxiety and depression scale), disability, cognition and QoL.
Multivariate regression was used to investigate predictors and associated outcomes of anxiety.
Results: incidence of anxiety up to 10 years ranged from 17 to 24%. Cumulative incidence: 57%. Prevalence range: 32–38%.
Amongst patients with anxiety, 58% were anxious at 3 months. 57–73% of patients with anxiety had co-morbid depression.
Predictors of anxiety included age under 65, female gender, inability to work, depression treatment, smoking and stroke severity.
Anxiety at 3 months was associated with lower QoL at follow-up.
Conclusions: anxiety is a frequent problem affecting stroke survivors in the long term. Clinicians should pay attention to patients
at risk of anxiety since it is associated with lower QoL and depression.
Original languageEnglish
Pages (from-to)542-547
Number of pages6
JournalAge and Ageing
Volume43
Issue number4
Early online date26 Dec 2013
DOIs
Publication statusPublished - 4 Jul 2014

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