Journal
INTERNATIONAL JOURNAL OF GERIATRIC PSYCHIATRY
Volume 22, Issue 8, Pages 733-737Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/gps.1730
Keywords
bipolar disorder; mania; vascular risk; stroke risk score
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Background The association between late life depression and cerebro-vascular risk and cerebro-vascular disease is well established. Do similar links exist with late onset bipolar disorder? Aims and Objectives Patients with early onset (less than 60 years of age) bipolar disorder were compared with those of late onset (aged 60 and above) in relation to cognitive function, physical health and vascular risk factors. Method Cross-sectional survey of elderly bipolar disorder patients (above 65 years) involved with secondary care mental health services. Thirty patients with early onset were compared with 20 patients with a late onset bipolar disorder. Diagnosis of bipolar disorder was according to ICD- 10 criteria and without an associated clinical diagnosis of dementia. Assessment of cognition included tests of frontal-executive function, and cerebro-vascular fisk was quantified with the Framingham stroke risk score. Results The late onset group had a higher stroke risk score than the early onset group, this difference persisting despite taking age and gender differences into account. However, late onset patients' cognitive function (including frontal lobe tests) and physical health status was no different to the early onset group. Conclusion There is higher 'cerebrovascular risk' in elderly patients with late onset bipolar disorder, compared to patients with an early onset. This suggests that cerebrovascular risk may be an important factor for the expression of bipolar disorders in later life, and has significant management implications for older bipolar patients. Copyright (c) 2006 John Wiley & Sons, Ltd.
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