BackgroundOsteoarthritis (OA), the most common form of arthritis, is a major contributor to functional impairment and loss of independence in older persons. The European Project on OSteoArthritis (EPOSA) is a collaborative study involving six European cohort studies on ageing. This project focuses on the personal and societal burden and its determinants of osteoarthritis. This paper describes the design of the project, and presents some descriptive analyses on selected variables across countries.Methods/designEPOSA is an observational study including pre-harmonized data from European cohort studies (Germany, Italy, the Netherlands, Spain, Sweden and the United Kingdom) on older community-dwelling persons aged 65 to 85 years. In total, 2942 persons were included in the baseline study with a mean age of 74.2 years (SD 5.1), just over half were women (51,9%). The baseline assessment was conducted by a face-to-face interview followed by a clinical examination. Measures included physical, cognitive, psychological and social functioning, lifestyle behaviour, physical environment, wellbeing and care utilisation. The clinical examination included anthropometry, muscle strength, physical performance and OA exam. A follow-up assessment was performed 12–18 months after baseline.DiscussionThe EPOSA study is the first population-based study including a clinical examination of OA, using pre-harmonized data across European countries. The EPOSA study provides a unique opportunity to study the determinants and consequences of OA in general populations of older persons, including both care-seeking and non care-seeking persons.
Age-related cognitive impairment and dementia are an increasing societal burden. Epidemiological studies indicate that lifestyle factors, e.g. physical, cognitive and social activities, correlate with reduced dementia risk; moreover, positive effects on cognition of physical/cognitive training have been found in cognitively unimpaired elders. Less is known about effectiveness and action mechanisms of physical/cognitive training in elders already suffering from Mild Cognitive Impairment (MCI), a population at high risk for dementia. We assessed in 113 MCI subjects aged 65–89 years, the efficacy of combined physical-cognitive training on cognitive decline, Gray Matter (GM) volume loss and Cerebral Blood Flow (CBF) in hippocampus and parahippocampal areas, and on brain-blood-oxygenation-level-dependent (BOLD) activity elicited by a cognitive task, measured by ADAS-Cog scale, Magnetic Resonance Imaging (MRI), Arterial Spin Labeling (ASL) and fMRI, respectively, before and after 7 months of training vs. usual life. Cognitive status significantly decreased in MCI-no training and significantly increased in MCI-training subjects; training increased parahippocampal CBF, but no effect on GM volume loss was evident; BOLD activity increase, indicative of neural efficiency decline, was found only in MCI-no training subjects. These results show that a non pharmacological, multicomponent intervention improves cognitive status and indicators of brain health in MCI subjects.
MetS is very common in aged Italians, and it is associated with stroke and diabetes in both sexes, and with chronic heart disease in men. In men, it increases significantly the risk of CVD mortality.
Aims/hypothesis. We studied the role of diabetic complications and comorbidity in the association between diabetes and disability in the elderly. Methods. Data were from a nationally representative sample of 5632 older Italians, aged 65 years and older, and who participated in the Italian Longitudinal Study on Aging. Clinical diagnoses of diabetes and other major chronic conditions were made by a physician, while disability was assessed by self-reported information on activities of daily living and physical performance tests. Results. After adjusting for age, education and BMI, disability on the basis of activities of daily living was associated with diabetes in women, but not in men (odds ratio [OR] 1.65, CI: 1.22-2.23 and OR 1.21, CI: 0.84-1.75 respectively). In contrast, the association between severe and/or total disability on the basis of physical performance tests and diabetes was strong in both sexes (OR 2.81, CI: 1.44-5.41 and OR 2.16, CI: 1.25-3.73 respectively). Adjusting for traditional complications and comorbidity reduced the excess odds of disability by 38% in women and by 16% in men. Conclusions/interpretation. Disability in older Italians with diabetes is frequent and only partially attributable to traditional diabetic complications and comorbidity.
Objective. To evaluate the role of comorbidity and pain in the association between hip/knee osteoarthritis (OA) with self-reported as well as performance-based functional limitations in a general elderly population. Methods. We analyzed the data of 2,942 individuals, ages between 65 and 85 years, who participated in the European Project on Osteoarthritis, which was made up of 6 European cohorts (from Germany, Italy, The Netherlands, Spain, Sweden, and the UK). Outcomes included self-reported physical function measured by the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and the participants' performance-based physical function was evaluated using the walking test. Results. While comorbidity did not affect the significant association between hip/knee OA and physical function limitations found in the participants, pain reduced the effect of OA on self-reported physical function, and it cancelled the effect of OA on the walking test. Obesity, anxiety, depression, and cardiovascular diseases were associated with the worst WOMAC scores. Obesity, cognitive impairment, depression, peripheral artery disease, and stroke were associated with the worst walking times.Conclusion. These findings demonstrate that while comorbidity is strongly and independently associated with functional limitations, it does not affect the OA-physical function association. Hip/knee OA is associated with selfreported impairment in physical function, which was only partially mediated by pain. Its association with physical function, as evaluated by the walking test, was instead completely mediated by pain.
The associations between pain and daily average weather conditions suggest that a causal relationship exist between joint pain and weather variables, but the associations between day-to-day weather changes and pain do not confirm causation. Knowledge about the relationship between joint pain in OA and weather may help individuals with OA, physicians, and therapists to better understand and manage fluctuations in pain.
Aims: To assess the role of type 2 diabetes as a risk factor for cognitive decline among elderly people. Methods: Analyses were carried out on data from the Italian Longitudinal Study on Aging, a study on 5,632 subjects aged 65–84 years, with baseline in 1992 and follow-ups in 1996 and 2000. Results:At baseline, diabetic women had significantly worse scores on all cognitive tests compared to nondiabetic women, but did not show worsening over time, whereas men with diabetes did not show worse scores on cognitive tests at baseline compared to nondiabetic males; however, diabetes in men was associated with a risk of cognitive decline over time, particularly in attention. Higher levels of HbA1c were associated with poorer performance on memory tests at follow-up in both sexes. Conclusion: The impact of diabetes on cognitive status might differ in older men and women, probably because of a survival effect, with a higher mortality at a younger age among diabetic men. The metabolic and cardiovascular abnormalities associated with diabetes might be responsible for the cognitive decline, at different rates and ages, in men and women. The routine assessment of diabetes complications in the elderly should include cognitive evaluation in both sexes.
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