Cerebrovascular risk factors and incident depression in community-dwelling elderly
Department of Epidemiology & Biostatistics, Erasmus Medical Center, Rotterdam, the Netherlands. Acta Psychiatrica Scandinavica
(Impact Factor: 5.61).
04/2008; 118(2):139-48. DOI: 10.1111/j.1600-0447.2008.01189.x
The 'vascular depression' hypothesis suggests that late-life depression results from vascular brain damage. We studied the longitudinal association between cerebrovascular risk factors and incident depression in a large population-based study.
Two thousand nine hundred and thirty-one persons with the age of > or =61 years were followed up. Data on a comprehensive set of cerebrovascular risk factors were collected at baseline. Participants received a psychiatric assessment 5 years later to establish DSM-IV diagnoses.
Only current smoking and antihypertensive drug use were independently associated with incident depressive symptoms. Diabetes mellitus and the Framingham stroke risk score were related to incident depressive disorder. No relation with depression was observed for cholesterol, diastolic and systolic blood pressure, history of cardiovascular disease, atrial fibrillation, left ventricular hypertrophy or the use of statins and anticoagulants.
These results moderately support the 'vascular depression' hypothesis.
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Available from: Shahzad Hasan Syed
- "Although it is assumed that antidepressant use may mask the longitudinal relationship between depression and diabetes, studies that examined the association of antidepressant use and diabetes were also included (Egberts et al. 1997; Kivimaki et al. 2010; Knol et al. 2009; Luijendijk et al. 2008). Of these, two studies (Egberts et al. 1997; Luijendijk et al. 2008) used the same data, and only the most recent study by Luijendijk et al. was retained. "
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ABSTRACT: This meta-analysis examined depression as a consequence of diabetes by conducting a meta-analysis, using data from longitudinal studies. Databases were systematically searched for relevant studies. Incidence of depression is presented as cumulative incident proportion (CIP). Pooled effect sizes were calculated using random-effects model. The data were reconstructed to compute relative risk (RR) and CIP. The 16 studies selected for review generated 16 datasets of which 11 studies reporting binary estimates (RR) and 5 studies reporting time-to-event estimates [hazard ratio (HR)]. Both RR and HR were significant at 1.27 (95 % CI 1.17-1.38) and 1.23 (95 % CI 1.08-1.40) for incident depression associated with diabetes mellitus. Our observations also revealed greater cumulative incidence of depression in diabetes than in non diabetes groups. Our study shows that diabetes is a significant risk factor for the onset of depression.
Community Mental Health Journal 06/2015; 51(2):204-210. DOI:10.1007/s10597-014-9744-5 · 1.03 Impact Factor
Available from: David Prieto-Merino
- "Four studies (735,143 participants) reported on depression and suicidal behavior [17,70,94]. No evidence of increased risk was seen for these endpoints (OR = 0.83; 95% CI 0.50 to 1.39) and this result was consistent across sub-groups. "
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ABSTRACT: Efficacy of statins has been extensively studied, with much less information reported on their unintended effects. Evidence from randomized controlled trials (RCTs) on unintended effects is often insufficient to support hypotheses generated from observational studies. We aimed to systematically assess unintended effects of statins from observational studies in general populations with comparison of the findings where possible with those derived from randomized trials.
Medline (1998 to January 2012, week 3) and Embase (1998 to 2012, week 6) were searched using the standard BMJ Cohort studies filter. The search was supplemented with reference lists of all identified studies and contact with experts in the field. We included prospective studies with a sample size larger than 1,000 participants, case control (of any size) and routine health service linkage studies of over at least one year duration. Studies in subgroups of patients or follow-up of patient case series were excluded, as well as hospital-based cohort studies.
Ninety studies were identified, reporting on 48 different unintended effects. Statins were associated with lower risks of dementia and cognitive impairment, venous thrombo-embolism, fractures and pneumonia, but these findings were attenuated in analyses restricted to higher quality studies (respectively: OR 0.74 (95% CI 0.62 to 0.87); OR 0.92 (95% CI 0.81 to 1.03); OR 0.97 (95% CI 0.88 to 1.05); OR 0.92 (95% CI 0.83 to 1.02)); and marked heterogeneity of effects across studies remained. Statin use was not related to any increased risk of depression, common eye diseases, renal disorders or arthritis. There was evidence of an increased risk of myopathy, raised liver enzymes and diabetes (respectively: OR 2.63 (95% CI 1.50 to 4.61); OR 1.54 (95% CI 1.47 to 1.62); OR 1.31 (95% CI 0.99 to 1.73)).
Our systematic review and meta-analyses indicate that high quality observational data can provide relevant evidence on unintended effects of statins to add to the evidence from RCTs. The absolute excess risk of the observed harmful unintended effects of statins is very small compared to the beneficial effects of statins on major cardiovascular events.
BMC Medicine 03/2014; 12(1):51. DOI:10.1186/1741-7015-12-51 · 7.25 Impact Factor
Available from: Catherine Lloyd
Depression and Diabetes, 1. edited by Wayne Katon, Mario Maj, Norman Sartorius, 08/2010: chapter 1: pages 1 - 27; Wiley-Blackwell., ISBN: 9780470667309
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