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Depressed mood after stroke. A community study of its frequency
D T Wade1, J Legh-Smith, R A Hewer
1Frenchay Hospital, Bristol Stroke Unit.
Summary
Depression is common in stroke survivors, with 25-30% experiencing it long-term. Many factors contribute, but most depression remains unexplained, highlighting a need for better understanding and treatment strategies for stroke patients.
Area of Science:
- Neurology
- Psychiatry
- Public Health
Background:
- Stroke is a leading cause of long-term disability.
- Depression is a frequent and debilitating comorbidity following stroke.
- Understanding the trajectory and predictors of post-stroke depression is crucial for patient care.
Purpose of the Study:
- To assess the prevalence and persistence of depressed mood in stroke survivors.
- To identify factors associated with depression in this population.
- To evaluate the treatment of depression in stroke survivors.
Main Methods:
- A community-based study involving 976 stroke patients.
- Assessment of depressed mood using the Wakefield self-assessment depression inventory at three weeks, six months, and 12 months post-stroke.
- Evaluation of functional and social activities and other potential contributing factors.
Main Results:
- 25-30% of assessed stroke survivors experienced depressed mood at all time points.
- Over 50% of patients depressed at three weeks remained depressed at one year.
- Factors like loss of functional independence and low reasoning ability were associated with depression, but most cases were unexplained. Few patients received antidepressant medication.
Conclusions:
- Depressed mood is a persistent issue for a significant portion of stroke survivors.
- Current explanatory factors do not fully account for post-stroke depression.
- There is a gap in the management of depression among stroke survivors, with limited use of antidepressant medication.