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Journal ArticleDOI

Years lived with disability (YLDs) for 1160 sequelae of 289 diseases and injuries 1990-2010: a systematic analysis for the Global Burden of Disease Study 2010

Theo Vos, Abraham D. Flaxman1, Mohsen Naghavi1, Rafael Lozano1  +360 moreInstitutions (143)
15 Dec 2012-The Lancet (Elsevier)-Vol. 380, Iss: 9859, pp 2163-2196
TL;DR: Prevalence and severity of health loss were weakly correlated and age-specific prevalence of YLDs increased with age in all regions and has decreased slightly from 1990 to 2010, but population growth and ageing have increased YLD numbers and crude rates over the past two decades.
About: This article is published in The Lancet.The article was published on 2012-12-15 and is currently open access. It has received 7021 citations till now. The article focuses on the topics: Years of potential life lost & Global health.
Citations
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Journal ArticleDOI
Rafael Lozano1, Mohsen Naghavi1, Kyle J Foreman2, Stephen S Lim1  +192 moreInstitutions (95)
TL;DR: The Global Burden of Diseases, Injuries, and Risk Factors Study 2010 aimed to estimate annual deaths for the world and 21 regions between 1980 and 2010 for 235 causes, with uncertainty intervals (UIs), separately by age and sex, using the Cause of Death Ensemble model.

11,809 citations

Journal ArticleDOI
Stephen S Lim1, Theo Vos, Abraham D. Flaxman1, Goodarz Danaei2  +207 moreInstitutions (92)
TL;DR: In this paper, the authors estimated deaths and disability-adjusted life years (DALYs; sum of years lived with disability [YLD] and years of life lost [YLL]) attributable to the independent effects of 67 risk factors and clusters of risk factors for 21 regions in 1990 and 2010.

9,324 citations

Journal ArticleDOI
25 Apr 2013-Nature
TL;DR: These new risk maps and infection estimates provide novel insights into the global, regional and national public health burden imposed by dengue and will help to guide improvements in disease control strategies using vaccine, drug and vector control methods, and in their economic evaluation.
Abstract: Dengue is a systemic viral infection transmitted between humans by Aedes mosquitoes. For some patients, dengue is a life-threatening illness. There are currently no licensed vaccines or specific therapeutics, and substantial vector control efforts have not stopped its rapid emergence and global spread. The contemporary worldwide distribution of the risk of dengue virus infection and its public health burden are poorly known. Here we undertake an exhaustive assembly of known records of dengue occurrence worldwide, and use a formal modelling framework to map the global distribution of dengue risk. We then pair the resulting risk map with detailed longitudinal information from dengue cohort studies and population surfaces to infer the public health burden of dengue in 2010. We predict dengue to be ubiquitous throughout the tropics, with local spatial variations in risk influenced strongly by rainfall, temperature and the degree of urbanization. Using cartographic approaches, we estimate there to be 390 million (95% credible interval 284-528) dengue infections per year, of which 96 million (67-136) manifest apparently (any level of disease severity). This infection total is more than three times the dengue burden estimate of the World Health Organization. Stratification of our estimates by country allows comparison with national dengue reporting, after taking into account the probability of an apparent infection being formally reported. The most notable differences are discussed. These new risk maps and infection estimates provide novel insights into the global, regional and national public health burden imposed by dengue. We anticipate that they will provide a starting point for a wider discussion about the global impact of this disease and will help to guide improvements in disease control strategies using vaccine, drug and vector control methods, and in their economic evaluation.

7,238 citations

Journal ArticleDOI
TL;DR: WRITING GROUP MEMBERS Emelia J. Benjamin, MD, SCM, FAHA Michael J. Reeves, PhD Matthew Ritchey, PT, DPT, OCS, MPH Carlos J. Jiménez, ScD, SM Lori Chaffin Jordan,MD, PhD Suzanne E. Judd, PhD
Abstract: WRITING GROUP MEMBERS Emelia J. Benjamin, MD, SCM, FAHA Michael J. Blaha, MD, MPH Stephanie E. Chiuve, ScD Mary Cushman, MD, MSc, FAHA Sandeep R. Das, MD, MPH, FAHA Rajat Deo, MD, MTR Sarah D. de Ferranti, MD, MPH James Floyd, MD, MS Myriam Fornage, PhD, FAHA Cathleen Gillespie, MS Carmen R. Isasi, MD, PhD, FAHA Monik C. Jiménez, ScD, SM Lori Chaffin Jordan, MD, PhD Suzanne E. Judd, PhD Daniel Lackland, DrPH, FAHA Judith H. Lichtman, PhD, MPH, FAHA Lynda Lisabeth, PhD, MPH, FAHA Simin Liu, MD, ScD, FAHA Chris T. Longenecker, MD Rachel H. Mackey, PhD, MPH, FAHA Kunihiro Matsushita, MD, PhD, FAHA Dariush Mozaffarian, MD, DrPH, FAHA Michael E. Mussolino, PhD, FAHA Khurram Nasir, MD, MPH, FAHA Robert W. Neumar, MD, PhD, FAHA Latha Palaniappan, MD, MS, FAHA Dilip K. Pandey, MBBS, MS, PhD, FAHA Ravi R. Thiagarajan, MD, MPH Mathew J. Reeves, PhD Matthew Ritchey, PT, DPT, OCS, MPH Carlos J. Rodriguez, MD, MPH, FAHA Gregory A. Roth, MD, MPH Wayne D. Rosamond, PhD, FAHA Comilla Sasson, MD, PhD, FAHA Amytis Towfighi, MD Connie W. Tsao, MD, MPH Melanie B. Turner, MPH Salim S. Virani, MD, PhD, FAHA Jenifer H. Voeks, PhD Joshua Z. Willey, MD, MS John T. Wilkins, MD Jason HY. Wu, MSc, PhD, FAHA Heather M. Alger, PhD Sally S. Wong, PhD, RD, CDN, FAHA Paul Muntner, PhD, MHSc On behalf of the American Heart Association Statistics Committee and Stroke Statistics Subcommittee Heart Disease and Stroke Statistics—2017 Update

7,190 citations

Journal Article
TL;DR: In this article, a comprehensive update of disease burden worldwide incorporating a systematic reassessment of disease and injury-specific epidemiology has been done since the 1990 study, and the authors aimed to calculate disease burden globally and for 21 regions for 1990, 2005, and 2010 with methods to enable meaningful comparisons over time.

7,020 citations

References
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Journal ArticleDOI
TL;DR: Improved estimation of dependent comorbidity resulted in reductions in total PYLD per capita ranging from a few per cent in younger adult ages to around 8% in the oldest age group in developed countries and up to 15% inThe oldest age groups in the least developed countries.
Abstract: Healthy life expectancy – sometimes called health-adjusted life expectancy (HALE) – is a form of health expectancy indicator that extends measures of life expectancy to account for the distribution of health states in the population. The World Health Organization has estimated healthy life expectancy for 192 WHO Member States using information from health interview surveys and from the Global Burden of Disease Study. The latter estimates loss of health by cause, age and sex for populations. Summation of prevalent years lived with disability (PYLD) across all causes would result in overestimation of the severity of the population average health state because of comorbidity between conditions. Earlier HALE calculations made adjustments for independent comorbidity in adding PYLD across causes. This paper presents a method for adjusting for dependent comorbidity using available empirical data. Data from five large national health surveys were analysed by age and sex to estimate "dependent comorbidity" factors for pairs of conditions. These factors were defined as the ratio of the prevalence of people with both conditions to the product of the two total prevalences for each of the conditions. The resulting dependent comorbidity factors were used for all Member States to adjust for dependent comorbidity in summation of PYLD across all causes and in the calculation of HALE. A sensitivity analysis was also carried out for order effects in the proposed calculation method. There was surprising consistency in the dependent comorbidity factors across the five surveys. The improved estimation of dependent comorbidity resulted in reductions in total PYLD per capita ranging from a few per cent in younger adult ages to around 8% in the oldest age group (80 years and over) in developed countries and up to 15% in the oldest age group in the least developed countries. The effect of the dependent comorbidity adjustment on estimated healthy life expectancies is small for some regions (high income countries, Eastern Europe, Western Pacific) and ranges from an increase of 0.5 to 1.5 years for countries in Latin America, South East Asia and Sub-Saharan Africa. The available evidence suggests that dependent comorbidity is important, and that adjustment for it makes a significant difference to resulting HALE estimates for some regions of the world. Given the data limitations, we recommend a normative adjustment based on the available evidence, and applied consistently across all countries.

62 citations

Journal ArticleDOI
TL;DR: In this article, the authors used field survey data sets covering a contiguous area 2750 × 850 km and including 26 790 school-age children (5-14 years old) in 418 schools.
Abstract: OBJECTIVE: To predict the subnational spatial variation in the number of people infected with Schistosoma haematobium in Burkina Faso, Mali and the Niger prior to national control programmes. METHODS: We used field survey data sets covering a contiguous area 2750 × 850 km and including 26 790 school-age children (5-14 years old) in 418 schools. The prevalence of high- and low-intensity infection and associated 95% credible intervals (CrIs) were predicted using Bayesian geostatistical models. The number infected was determined from the predicted prevalence and the number of school-age children in each km². FINDINGS: The predicted number of school-age children with a low-intensity infection was 433 268 in Burkina Faso, 872 328 in Mali and 580 286 in the Niger. The number with a high-intensity infection was 416 009, 511 845 and 254 150 in each country, respectively. The 95% CrIs were wide: e.g. the mean number of boys aged 10-14 years infected in Mali was 140 200 (95% CrI: 6200-512 100). CONCLUSION: National aggregate estimates of infection mask important local variations: e.g. most S. haematobium infections in the Niger occur in the Niger River valley. High-intensity infection was strongly clustered in western and central Mali, north-eastern and north-western Burkina Faso and the Niger River valley in the Niger. Populations in these foci will carry the bulk of the urinary schistosomiasis burden and should be prioritized for schistosomiasis control. Uncertainties in the predicted prevalence and the numbers infected should be acknowledged by control programme planners.

62 citations

Journal ArticleDOI
TL;DR: The DALYs measure is a promising new tool to improve the capacity of local health departments and other health agencies to assess population health and establish an evidence base for public health decisions.
Abstract: OBJECTIVE: This study was designed to assess the burden of disease and injury in the Los Angeles County population using Disability-Adjusted Life Years (DALYs), a composite measure of premature mortality and disability that equates to years of healthy life lost. METHODS: DALYs, stratified by gender and race/ethnicity, were calculated for 105 health conditions and aggregated groups of conditions for the Los Angeles County population for 1997. Years of Life Lost (YLLs) were calculated using 1997 county mortality statistics and published life tables. Years Lived with Disability (YLDs) were derived from age- and gender-specific disease incidence and disability data from the Global Burden of Disease Study. RESULTS: DALYs produced a substantially different ranking of disease and injury burden than did mortality rates alone. The leading five causes of DALYs for males in the county were ischemic heart disease, violence, alcohol dependence, drug overdose and other intoxications, and depression. For females, the leading five causes were ischemic heart disease, alcohol dependence, diabetes, depression, and osteoarthritis. Differences in the rank order were also observed by race/ethnicity. The age-adjusted rate of DALYs for all health conditions combined was highest in African Americans (190 per 1,000), followed by American Indians (149 per 1,000), whites (113 per 1,000), Latinos (94 per 1,000), and Asians/Pacific Islanders (77 per 1,000). CONCLUSIONS: The DALYs measure is a promising new tool to improve the capacity of local health departments and other health agencies to assess population health and establish an evidence base for public health decisions. Language: en

53 citations

Journal ArticleDOI
TL;DR: A relatively strong relationship between baseline hearing impairment and subsequent poorer cognitive function was found in both existing and new cases of cognitive impairment, which raises questions for nursing practice.
Abstract: Maximizing patients' cognitive functioning and quality of life is a key concern for nurses. Some data suggest that hearing loss may be associated with cognitive decline. To further assess this association, a 5-year longitudinal study was conducted using a community sample of 2,002 men and women ages 50 to 94. A relatively strong relationship between baseline hearing impairment and subsequent poorer cognitive function was found in both existing and new cases of cognitive impairment. These findings raise questions for nursing practice and support the need for increased dialogue and collaborative studies across specialties to both refine the understanding of the factors involved and develop clinical strategies to minimize sensory and cognitive loss.

52 citations

Book
20 Mar 2013
TL;DR: This book discusses mental health services in primary care in Nepal, mental health Promoter Training with Guatemalan Refugee Women in Mexico City and the Camps of Southern Mexico, and Indigenous Models for Attenuation of Postpartum Depression from Fiji and Hong Kong.
Abstract: Preface A. Cohen, A. Kleinman. Introduction A. Cohen, et al. 1. Rehabilitation of Schizophrenia Patients in China: The Shanghai Model D. Chang, et al. 2. Enhancing Adherence: The Role of Group Psychotherapy in the Treatment of MDR-TB in Urban Peru A. Sweetland, et al. 3. Mental Health Promoter Training with Guatemalan Refugee Women in Mexico City and the Camps of Southern Mexico D.L. Billings, I. Saenz. 4. Mental Health Services in Primary Care: The Case of Nepal S. Acland. 5. 'Our Lives Were Covered in Darkness': The Work of the National Literacy Mission in Northern India A. Cohen. 6. The Risk of Freedom: Mental Health Services in Trieste A. Cohen, B. Saraceno. 7. Indigenous Models for Attenuation of Postpartum Depression: Case Studies from Fiji and Hong Kong A.E. Becker, D.T.S. Lee. About the Contributors. Index

46 citations

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