The Disease Burden Morbidity Assessment in older adults and its association with mortality and other health outcomes.
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ABSTRACT:
SUBMITTER: Wijers IGM
PROVIDER: S-EPMC6509313 | biostudies-literature | 2019 Jun
REPOSITORIES: biostudies-literature
Publications
The Disease Burden Morbidity Assessment in older adults and its association with mortality and other health outcomes.
Wijers Irene G M IGM Ayala Alba A Rodriguez-Blazquez Carmen C Rodriguez-Laso Angel A Rodriguez-García Pilar P Prados-Torres Alexandra A Rodriguez-Rodriguez Vicente V Forjaz Maria João MJ
European journal of ageing 20181101 2
The objective of this study was to assess how disease burden caused by chronic conditions is related to mortality (predictive validity) and other health outcomes (convergent validity). This was studied in 625 community-dwelling adults living in Spain aged 65 years and older. Disease burden was measured with the Disease Burden Morbidity Assessment (DBMA). The association with 5-year mortality was assessed using a Cox model and Kaplan-Meier curves. For convergent validity, mean age, sex ratio, pat ...[more]
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Project description:To ascertain whether older adults with extensive disease but relative vigor (adapters) shorten the period at the end of life in which they live with morbidity (compress morbidity).Prospective, community-based cohort study in four U.S. cities.Cardiovascular Health Study.Individuals aged 65 and older.Participants were categorized into three groups according to extent of disease (assessed noninvasively), vigor, and frailty (expected agers (n = 3,528, extent of disease similar to vigor and frailty-reference group), adapters (n = 882, higher disease but vigorous), and prematurely frail (n = 855, lower disease but frail)) and compared according to years of able life (YAL), years of self-reported healthy life (YHL), and mortality using multivariable regression and survival analysis.After adjustment, adapters had 0.97 (95% confidence interval (CI) = 0.60-1.33) more YAL and 0.54 (95% CI = 0.19-0.90) more YHL than expected agers, and those who were prematurely frail had -0.99 (95% CI = -1.36 to -0.62) fewer YAL and -0.53 (95% CI = -0.89 to -0.17) fewer YHL than expected agers. Adapters had 0.9 more and prematurely frail had 1.5 fewer years of total life than expected agers (P < .001). Adapters spent 55% of their remaining life able and healthy, those who were prematurely frail spent 37%, and of expected agers spent 47% (P < .001).Despite similar levels of disease burden, older adults who were more vigorous appeared to compress morbidity and live longer. Older adults with higher frailty lengthened morbidity and had greater mortality. Adaptive factors may compress morbidity and decrease mortality.
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Project description:BackgroundGeneral health checks are common elements of health care in some countries. They aim to detect disease and risk factors for disease with the purpose of reducing morbidity and mortality. Most of the commonly used individual screening tests offered in general health checks have been incompletely studied. Also, screening leads to increased use of diagnostic and therapeutic interventions, which can be harmful as well as beneficial. It is therefore important to assess whether general health checks do more good than harm. This is the first update of the review published in 2012.ObjectivesTo quantify the benefits and harms of general health checks.Search methodsWe searched CENTRAL, MEDLINE, Embase, two other databases and two trials registers on 31 January 2018. Two review authors independently screened titles and abstracts, assessed papers for eligibility and read reference lists. One review author used citation tracking (Web of Knowledge) and asked trial authors about additional studies.Selection criteriaWe included randomised trials comparing health checks with no health checks in adults unselected for disease or risk factors. We did not include geriatric trials. We defined health checks as screening for more than one disease or risk factor in more than one organ system.Data collection and analysisTwo review authors independently extracted data and assessed the risk of bias in the trials. We contacted trial authors for additional outcomes or trial details when necessary. When possible, we analysed the results with a random-effects model meta-analysis; otherwise, we did a narrative synthesis.Main resultsWe included 17 trials, 15 of which reported outcome data (251,891 participants). Risk of bias was generally low for our primary outcomes. Health checks have little or no effect on total mortality (risk ratio (RR) 1.00, 95% confidence interval (CI) 0.97 to 1.03; 11 trials; 233,298 participants and 21,535 deaths; high-certainty evidence, I2 = 0%), or cancer mortality (RR 1.01, 95% CI 0.92 to 1.12; 8 trials; 139,290 participants and 3663 deaths; high-certainty evidence, I2 = 33%), and probably have little or no effect on cardiovascular mortality (RR 1.05, 95% CI 0.94 to 1.16; 9 trials; 170,227 participants and 6237 deaths; moderate-certainty evidence; I2 = 65%). Health checks have little or no effect on fatal and non-fatal ischaemic heart disease (RR 0.98, 95% CI 0.94 to 1.03; 4 trials; 164,881 persons, 10,325 events; high-certainty evidence; I2 = 11%), and probably have little or no effect on fatal and non-fatal stroke (RR 1.05 95% CI 0.95 to 1.17; 3 trials; 107,421 persons, 4543 events; moderate-certainty evidence, I2 = 53%).Authors' conclusionsGeneral health checks are unlikely to be beneficial.
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Project description:BackgroundHepatitis C virus (HCV) is a leading cause of chronic liver disease, end-stage cirrhosis, and liver cancer, but little is known about the burden of disease caused by the virus. We summarised burden of disease data presently available for Europe, compared the data to current expert estimates, and identified areas in which better data are needed.MethodsLiterature and international health databases were systematically searched for HCV-specific burden of disease data, including incidence, prevalence, mortality, disability-adjusted life-years (DALYs), and liver transplantation. Data were collected for the WHO European region with emphasis on 22 countries. If HCV-specific data were unavailable, these were calculated via HCV-attributable fractions.ResultsHCV-specific burden of disease data for Europe are scarce. Incidence data provided by national surveillance are not fully comparable and need to be standardised. HCV prevalence data are often inconclusive. According to available data, an estimated 7.3-8.8 million people (1.1-1.3%) are infected in our 22 focus countries. HCV-specific mortality, DALY, and transplantation data are unavailable. Estimations via HCV-attributable fractions indicate that HCV caused more than 86000 deaths and 1.2 million DALYs in the WHO European region in 2002. Most of the DALYs (95%) were accumulated by patients in preventable disease stages. About one-quarter of the liver transplants performed in 25 European countries in 2004 were attributable to HCV.ConclusionOur results indicate that hepatitis C is a major health problem and highlight the importance of timely antiviral treatment. However, data on the burden of disease of hepatitis C in Europe are scarce, outdated or inconclusive, which indicates that hepatitis C is still a neglected disease in many countries. What is needed are public awareness, co-ordinated action plans, and better data. European physicians should be aware that many infections are still undetected, provide timely testing and antiviral treatment, and avoid iatrogenic transmission.
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Project description:ObjectivesTo evaluate global sensory impairment (GSI, an integrated measure of sensory dysfunction) as a predictor of physical function, cognition, overall health, and mortality.DesignProspective study.SettingThe National Social Life, Health, and Aging Project.ParticipantsA national probability sample of 3,005 home-dwelling older U.S. adults assessed at baseline (2005-06) and 5-year follow-up (2010-11).MeasurementsGait speed, activity, disability, cognition, overall health, 5-year mortality.ResultsAt baseline, older adults with worse GSI were slower (Timed Up and Go times: odds ratio (OR) = 1.32, 95% confidence interval (CI) = 1.17-1.50) and had more activity of daily living deficits (≥2: OR = 1.26, 95% CI = 1.10-1.46). Five years later, they were still slower (timed walk: OR = 1.22, 95% CI = 1.05-1.42), had more disabilities (≥2 instrumental activities of daily living; OR = 1.45, 95% CI = 1.23-1.70), were less active (daytime activity according to accelerometry: β = -2.7, 95% CI = -5.2 to -0.2), had worse cognitive function (Montreal Cognitive Assessment; β = -0.64, 95% CI = -0.84 to -0.44), more likely to have poorer overall health (OR = 1.16, 95% CI = 1.03-1.31) and lose weight (>10%: OR = 1.31, 95% CI = 1.04-1.64), and have died (OR = 1.45, 95% CI = 1.19-1.76). All analyses were adjusted for relevant confounders at baseline, including age, sex, race and ethnicity, education, smoking, problem drinking, body mass index, comorbidities, and cognitive function.ConclusionGSI predicts impaired physical function, cognitive dysfunction, significant weight loss, and mortality 5 years later in older U.S. adults. Multisensory evaluation may identify vulnerable individuals, offering the opportunity for early intervention to mitigate adverse outcomes.
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Project description:Elevated levels of serum leptin are associated with increased adiposity and production of pro-inflammatory cytokines. Both cytokines and body adiposity have been shown to predict cardiovascular events and mortality. The primary objective of the present study is to explore the associations between serum leptin and all-cause mortality and mortality from cardiovascular disease (CVD) over a span of 10 years, controlling for body adiposity and proinflammatory cytokines.The Health, Aging and Body Composition (Health ABC) study is a prospective cohort of 3,075 older adults aged 70 to 79 years. This analysis includes 2,919 men and women with complete serum leptin and vital status data. Data on all-cause mortality and incident cardiovascular events (including Coronary Heart Disease and Congestive Heart Failure) were collected over 10 years of follow-up (mean 8.4 years).Women with leptin in quartile 2 and 3 were at lower risk of all-cause mortality, and those with leptin in quartile 2 were at lower risk of mortality from CVD as compared to women with lowest leptin values when adjusted for age, race, site, years of education, alcohol use, smoking, and physical activity. When these associations were additionally adjusted for body fat, C-reactive protein and pro-inflammatory cytokines, women with leptin values in quartile 3 were at lower risk of all-cause mortality and women with leptin in quartile 2 and 3 were at lower risk of mortality from CVD than women with lowest leptin values. These associations were not significant among men after adjusting for body fat and cytokines.The present study suggests that moderately elevated concentrations of serum leptin are independently associated with lower risk of all-cause mortality and CVD-related mortality among older women. Among men, serum leptin is not associated with reduced risk of all-cause and CVD mortality after controlling for body fat and cytokines.
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Project description:Stroke increases the risk of dementia; however, bidirectional association of incident stroke and cognitive decline below dementia threshold is not well established. Also, both cognitive decline and stroke increase mortality risk.A longitudinal population-based cohort of 7217 older adults without a history of stroke from a biracial community was interviewed at 3-year intervals. Cognitive function was assessed using a standardized global cognitive score. Stroke was determined by linkage with Medicare claims, and mortality was ascertained via the National Death Index. We used a Cox model to assess the risk of incident stroke, a joint model with a piecewise linear mixed model with incident stroke as a change point for cognitive decline process, and a time-dependent relative risk regression model for mortality risk.During follow-up, 1187 (16%) subjects had incident stroke. After adjusting for known confounders, lower baseline cognitive function was associated with a higher risk of incident stroke (hazard ratio, 1.61; 95% confidence interval, 1.46-1.77). Cognitive function declined by 0.064 U per year before incident stroke occurrence and 0.122 U per year after stroke, a nearly 1.9-fold increase in cognitive decline (95% confidence interval, 1.78-2.03). Both stroke (hazard ratio, 1.17; 95% confidence interval, 1.08-1.26) and cognitive decline (hazard ratio, 1.90; 95% confidence interval, 1.81-1.98) increased mortality risk.Baseline cognitive function was associated with incident stroke. Cognitive decline increased significantly after stroke relative to before stroke. Cognitive decline increased mortality risk independent of the risk attributable to stroke and should be followed as a marker for both stroke and mortality.
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Project description:BackgroundCigarette smoke is a major public health concern. Epigenetic aging may be an important pathway by which exposure to cigarette smoke affects health. However, little is known about how exposure to smoke at different life stages affects epigenetic aging, especially in older adults. This study examines how three epigenetic aging measures (GrimAge, PhenoAge, and DunedinPoAm38) are associated with parental smoking, smoking in youth, and smoking in adulthood, and whether these epigenetic aging measures mediate the link between smoke exposure and morbidity and mortality. This study utilizes data from the Health and Retirement Study (HRS) Venous Blood Study (VBS), a nationally representative sample of US adults over 50 years old collected in 2016. 2978 participants with data on exposure to smoking, morbidity, and mortality were included.ResultsGrimAge is significantly increased by having two smoking parents, smoking in youth, and cigarette pack years in adulthood. PhenoAge and DunedinPoAm38 are associated with pack years. All three mediate some of the effect of pack years on cancer, high blood pressure, heart disease, and mortality and GrimAge and DunedinPoAm38 mediate this association on lung disease.ConclusionsResults suggest epigenetic aging is one biological mechanism linking lifetime exposure to smoking with development of disease and earlier death in later life. Interventions aimed at reducing smoking in adulthood may be effective at weakening this association.
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Project description:BackgroundMild parkinsonian signs have been documented in community-dwelling older adults without Parkinson's disease. We estimated the proportion of older adults with parkinsonism and examined its association with adverse health outcomes and indices of brain pathology.MethodsFour parkinsonian signs were assessed with the motor portion of the Unified Parkinson's Disease Rating Scale in 2,962 older adults who agreed to annual evaluation and brain autopsy. We used Cox proportional hazards models to examine the association of parkinsonism (two or more signs) and possible parkinsonism (one sign) with adverse health outcomes and regression models in 1,160 decedents to examine the association of parkinsonism and neuropathology.ResultsAt study entry about 25% (N = 776, 26.2%) had parkinsonism and 30% had possible parkinsonism (N = 885, 29.9%). Parkinsonism was strongly related to age. The frequency was 11.8% for people younger than 75 years, 29.1% for those aged 75-84 years, and 43.7% for those aged 85 years or older. Parkinsonism was associated with an increased hazard of death, of mild cognitive impairment, of Alzheimer's disease and disability. Individuals with possible parkinsonism also had an increased risk for adverse health outcomes compared to individuals without parkinsonism. Postmortem indices of macroscopic and microscopic infarcts, arteriolosclerosis, and atherosclerosis were associated with parkinsonism proximate to death.ConclusionsParkinsonism is common in older adults and is associated with an increased risk of adverse health outcomes and postmortem indices of brain pathology. Its association with age suggests that it will increase in our aging population.
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