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Cooper PJ, Figueiredo CA, Rodriguez A, Dos Santos LM, Ribeiro-Silva RC, Carneiro VL, Costa G, Magalhães T, Dos Santos de Jesus T, Rios R, da Silva HBF, Costa R, Chico ME, Vaca M, Alcantara-Neves N, Rodrigues LC, Cruz AA, Barreto ML. Understanding and controlling asthma in Latin America: A review of recent research informed by the SCAALA programme. Clin Transl Allergy 2023; 13:e12232. [PMID: 36973960 PMCID: PMC10041090 DOI: 10.1002/clt2.12232] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 02/01/2023] [Accepted: 02/15/2023] [Indexed: 03/29/2023] Open
Abstract
Asthma is an important health concern in Latin America (LA) where it is associated with variable prevalence and disease burden between countries. High prevalence and morbidity have been observed in some regions, particularly marginalized urban populations. Research over the past 10 years from LA has shown that childhood disease is primarily non-atopic. The attenuation of atopy may be explained by enhanced immune regulation induced by intense exposures to environmental factors such as childhood infections and poor environmental conditions of the urban poor. Non-atopic symptoms are associated with environmental and lifestyle factors including poor living conditions, respiratory infections, psychosocial stress, obesity, and a diet of highly processed foods. Ancestry (particularly African) and genetic factors increase asthma risk, and some of these factors may be specific to LA settings. Asthma in LA tends to be poorly controlled and depends on access to health care and medications. There is a need to improve management and access to medication through primary health care. Future research should consider the heterogeneity of asthma to identify relevant endotypes and underlying causes. The outcome of such research will need to focus on implementable strategies relevant to populations living in resource-poor settings where the disease burden is greatest.
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Affiliation(s)
- Philip J Cooper
- Escuela de Medicina, Universidad Internacional del Ecuador, Quito, Ecuador
- Institute of Infection and Immunity, St George's University of London, London, UK
| | - Camila A Figueiredo
- Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | | | | | | | | | - Gustavo Costa
- Center for Data Knowledge and Integration for Health (CIDACS), Fundação Oswaldo Cruz, Bahia, Salvador, Brazil
- Universidade Salvador (UNIFACS), Salvador, Bahia, Brazil
| | - Thiago Magalhães
- Instituto de Saúde Coletiva, Universidade Federal da Bahia, Salvador, Brazil
| | | | - Raimon Rios
- Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | | | - Ryan Costa
- Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Martha E Chico
- Fundacion Ecuatoriana para la Investigacion en Salud (FEPIS), Esmeraldas, Ecuador
| | - Maritza Vaca
- Instituto de Saúde Coletiva, Universidade Federal da Bahia, Salvador, Brazil
- Fundacion Ecuatoriana para la Investigacion en Salud (FEPIS), Esmeraldas, Ecuador
| | | | - Laura C Rodrigues
- Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK
| | - Alvaro A Cruz
- Universidade Federal da Bahia and Fundação ProAR, Salvador, Brazil
| | - Mauricio L Barreto
- Center for Data Knowledge and Integration for Health (CIDACS), Fundação Oswaldo Cruz, Bahia, Salvador, Brazil
- Instituto de Saúde Coletiva, Universidade Federal da Bahia, Salvador, Brazil
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Frequência de alterações espirométricas, aprisionamento aéreo e hiperinsuflação pulmonar em crianças e adolescentes com asma grave resistente à terapia. SCIENTIA MEDICA 2021. [DOI: 10.15448/1980-6108.2021.1.41296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Objetivos: avaliar a frequência de alterações espirométricas e pletismográficas em crianças e adolescentes com asma grave resistente à terapia (AGRT). Além disso, testaram-se possíveis associações entre esses desfechos.Métodos: trata-se de um estudo retrospectivo, no qual foram incluídas crianças e adolescentes (6-18 anos), com diagnóstico de AGRT, e que se encontravam em acompanhamento ambulatorial regular. Todos deveriam possuir informações antropométricas (peso, altura, índice de massa corporal), demográficas (idade, etnia e sexo), clínicas (teste cutâneo, teste de controle da asma, tabagismo familiar e medicações em uso) e de função pulmonar (espirometria e pletismografia corporal) registradas no banco de dados do serviço. Os testes de função pulmonar seguiram as recomendações das diretrizes nacionais e internacionais. Para fins estatísticos, utilizou-se análise descritiva e o teste de qui-quadrado de Pearson.Resultados: de um total de 15 pacientes com AGRT, 12 deles foram incluídos na amostra. A média de idade foi de 12,2 anos, com predomínio do sexo feminino (66,7%). Destes, 50,0% apresentaram a doença controlada, 83,3% foram considerados atópicos e 50,0% tinham histórico de tabagismo familiar. Em relação aos testes de função pulmonar (% do previsto), as médias dos parâmetros espirométricos e de plestismografia corporal encontraram-se dentro dos limites inferiores da normalidade. Apenas 16,7% da amostra apresentou espirometria alterada (<percentil 5), 25,0% aprisionamento aéreo (volume residual>130,0%) e 16,7% hiperinsuflação pulmonar (capacidade pulmonar total>120,0%). Houve frequência estatisticamente maior (p=0,045) de aprisionamento aéreo nos participantes com espirometria alterada, em comparação à espirometria normal. Contudo, não se observou diferença (p=0,341) em relação à hiperinsuflação pulmonar.Conclusões: os achados demonstraram pouco comprometimento espirométrico e dos volumes e das capacidades pulmonares em crianças e adolescentes com AGRT. Além disso, aqueles participantes com espirometria alterada obtiveram frequência maior de aprisionamento aéreo no exame de pletismografia corporal.
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Spatial Modeling of Asthma-Prone Areas Using Remote Sensing and Ensemble Machine Learning Algorithms. REMOTE SENSING 2021. [DOI: 10.3390/rs13163222] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In this study, asthma-prone area modeling of Tehran, Iran was provided by employing three ensemble machine learning algorithms (Bootstrap aggregating (Bagging), Adaptive Boosting (AdaBoost), and Stacking). First, a spatial database was created with 872 locations of asthma patients and affecting factors (particulate matter (PM10 and PM2.5), ozone (O3), sulfur dioxide (SO2), carbon monoxide (CO), nitrogen dioxide (NO2), rainfall, wind speed, humidity, temperature, distance to street, traffic volume, and a normalized difference vegetation index (NDVI)). We created four factors using remote sensing (RS) imagery, including air pollution (O3, SO2, CO, and NO2), altitude, and NDVI. All criteria were prepared using a geographic information system (GIS). For modeling and validation, 70% and 30% of the data were used, respectively. The weight of evidence (WOE) model was used to assess the spatial relationship between the dependent and independent data. Finally, three ensemble algorithms were used to perform asthma-prone areas mapping. According to the Gini index, the most influential factors on asthma occurrence were distance to the street, NDVI, and traffic volume. The area under the curve (AUC) of receiver operating characteristic (ROC) values for the AdaBoost, Bagging, and Stacking algorithms was 0.849, 0.82, and 0.785, respectively. According to the findings, the AdaBoost algorithm outperforms the Bagging and Stacking algorithms in spatial modeling of asthma-prone areas.
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Intervenções de fisioterapia respiratória utilizadas durante a hospitalização de crianças e adolescentes com asma. SCIENTIA MEDICA 2021. [DOI: 10.15448/1980-6108.2021.1.39356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Objetivo: descrever e comparar as intervenções de fisioterapia respiratória utilizadas para asma durante a hospitalização em três grupos etários pediátricos. Além disso, buscou-se investigar os motivos de escolha dessas intervenções.Métodos: a amostra foi composta por fisioterapeutas atuantes em hospitais que reportaram atender crianças e adolescentes com asma. Os profissionais responderam a um questionário online sobre dados pessoais, acadêmicos, profissionais e relativo às intervenções de fisioterapia respiratória utilizadas em lactentes, pré-escolares e escolares/adolescentes. As intervenções foram agrupadas em nove classificações: convencionais, manuais, baseadas em volume, oscilação oral de alta frequência/pressão expiratória positiva (OOAF/PEP), exercícios ventilatórios, ventilação não invasiva, técnica de expiração forçada (TEF), aspiração de vias aéreas superiores (VAS) e outras.Resultados: foram incluídos 93 fisioterapeutas, com idade entre 31 e 40 anos (47,3%) e do sexo feminino (87,1%). As intervenções mais utilizadas nos lactentes foram a aspiração de VAS (78,5%), a aceleração do fluxo expiratório (AFE) (50,5%) e a terapia expiratória manual passiva (TEMP) (45,2%). Nos pré-escolares, predominou a tosse (75,3%), a aspiração de VAS (52,7%), a AFE (51,6%) e a TEMP/expiração lenta e prolongada (ELPr) (50,5%). Já nos escolares/adolescentes, a tosse (83,9%), os exercícios expiratórios variados (73,1%) e a ELPr (57,0%) sobressaíram-se. Houve menor utilização (p<0,01) de OOAF/PEP, de exercícios ventilatórios e de TEF nos lactentes e, também, de métodos convencionais, manuais, aspiração de VAS e outras terapias (p<0,01) nos escolares/adolescentes. Os profissionais relataram utilizar essas intervenções por serem mais eficazes na prática clínica (78,5%).Conclusão: as intervenções manuais e as técnicas de expectoração visando à desobstrução brônquica foram as mais frequentemente utilizadas, tendo relação com a faixa etária e a escolha devido à efetividade na prática clínica.
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Hu Y, Cheng J, Jiang F, Liu S, Li S, Tan J, Yin Y, Tong S. Season-stratified effects of meteorological factors on childhood asthma in Shanghai, China. ENVIRONMENTAL RESEARCH 2020; 191:110115. [PMID: 32846175 DOI: 10.1016/j.envres.2020.110115] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 07/19/2020] [Accepted: 08/14/2020] [Indexed: 06/11/2023]
Abstract
OBJECTIVES There has been increasing interest in identifying the adverse effects of ambient environmental factors on asthma exacerbations (AE), but season-stratified effects of meteorological factors on childhood asthma remain unclear. We explored the season-stratified effects of meteorological factors on childhood AE in Shanghai, China. METHODS Poisson generalized linear regression model combined with a distributed lag nonlinear model was used to examine the lagged and nonlinear effects of meteorological factors on childhood AE after adjustment for putative confounders. We also performed a season-stratified analysis to determine whether the season modified the relationship between meteorological factors and childhood AE. RESULTS There were 23,103 emergency department visits (EDVs) for childhood AE, including 15,466 boys and 7637 girls during 2008-2017. Most meteorological factors (e.g., temperature, diurnal temperature range (DTR), relative humidity (RH) and wind speed (WS)) were significantly associated with EDVs for childhood AE, even after adjustment for the confounding effects of air pollutants. In the whole year, extreme cold, moderate heat, higher DTR, lower RH and WS increased the relative risk (RR) for childhood AE. In the cold season, lower RH and wind speed increased the risks of childhood AE (RRlag0-28 for the 5th percentile (p5) of RH: 9.744, 95% CI: 3.567, 26.616; RRlag0-28 for the p5 of wind speed: 10.671, 95% CI: 1.096, 103.879). In the warm season, higher temperature and DTR, lower RH and WS increased the RR for childhood AE (RRlag0-5 for the p95 of temperature: 1.871, 95% CI: 1.246, 2.810; RRlag0-2 for the p95 of DTR: 1.146, 95% CI: 1.010, 1.300; RRlag0-5 for the p5 of RH: 1.931, 95% CI: 1.191, 3.128; RRlag0-2 for the p5 of WS: 1.311, 95% CI: 1.005, 1.709). CONCLUSIONS Extreme meteorological factors appeared to be triggers of EDVs for childhood AE in Shanghai and the effects modified by season. These findings provide evidence for developing season-specific and tailored strategies to prevent and control childhood AE.
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Affiliation(s)
- Yabin Hu
- Department of Clinical Epidemiology and Biostatistics, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Jian Cheng
- School of Public Health and Social Work, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia
| | - Fan Jiang
- Department of Developmental and Behavioral Pediatrics, Pediatric Translational Medicine Institution, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Shijian Liu
- Department of Clinical Epidemiology and Biostatistics, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Shenghui Li
- School of Public Health, Shanghai Jiaotong University, Shanghai, China
| | - Jianguo Tan
- Shanghai Key Laboratory of Meteorology and Health (Shanghai Meteorological Service), Shanghai, China
| | - Yong Yin
- Department of Respiratory Medicine, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai, China.
| | - Shilu Tong
- Department of Clinical Epidemiology and Biostatistics, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai, China; School of Public Health and Social Work, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia; School of Public Health, Institute of Environment and Population Health, Anhui Medical University, Hefei, China; Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China.
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Dias CS, Mingoti SA, Ceolin APR, Dias MADS, Friche AADL, Caiaffa WT. The influence of climatic conditions on hospital admissions for asthma in children and adolescents living in Belo Horizonte, Minas Gerais, Brazil. CIENCIA & SAUDE COLETIVA 2020; 25:1979-1990. [PMID: 32402021 DOI: 10.1590/1413-81232020255.04442018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 05/09/2019] [Indexed: 11/21/2022] Open
Abstract
Limited research exists on the influence of climatic conditions on the risk of hospital admission for asthma in Minas Gerais, Brazil. The objectives of this article are: a) to evaluate the influence of climatic conditions on hospital admissions for asthma and lower respiratory tract infections (LRTIs) among children and adolescents living in Belo Horizonte during the period 2002 to 2012 and identify epidemic peaks of admissions for asthma; b) to compare local seasonal patterns of admissions for asthma and LRTIs. Using hospital admission data stratified by aged group, regression analysis was performed to determine the relationship between the variables. Epidemic peaks were identified using an ARIMA model. There was an increase in admissions for asthma with an increase in relative humidity after rainy periods; admissions for bronchiolitis were associated with low levels of maximum temperature and rainfall. Rainy periods can lead to an increase in indoor and outdoor humidity, facilitating fungal proliferation, while cold periods can lead to an increase in the spread of viruses.
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Affiliation(s)
- Cláudia Silva Dias
- Pontifícia Universidade Católica de Minas Gerais, Belo Horizonte, MG, Brazil,
| | - Sueli Aparecida Mingoti
- Departamento de Estatística, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
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Ma R, Liang L, Kong Y, Zhai S, Gu J, Zhang G, Wang T. Hotspot detection and socio-ecological factor analysis of asthma hospitalization rate in Guangxi, China. ENVIRONMENTAL RESEARCH 2020; 183:109201. [PMID: 32050128 DOI: 10.1016/j.envres.2020.109201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 01/15/2020] [Accepted: 01/29/2020] [Indexed: 06/10/2023]
Abstract
BACKGROUND Asthma is a major public health concern throughout the world. Numerous researches have shown that the spatial-temporal patterns of asthma are inconsistent, leading to the suggestion that these patterns are determined by multiple factors. This study aims to detect spatial-temporal clusters of asthma and analyze socio-ecological factors associated with the asthma hospitalization rate in Guangxi, China. METHODS Asthma hospitalization and socio-ecological data for 88 counties/municipal districts in Guangxi, China in 2015 was collected. Space-time scan statistics were applied to identify the high-risk periods and areas of asthma hospital admissions. We further used GeoDetector and Spearman correlation coefficient to investigate the socio-ecological factors associated with the asthma hospitalization rates. RESULTS There were a total of 7804 asthma admissions in 2015. The high-risk period was from April to June. The age groups of 0-4 and ≥65 years were both at the highest risk, with hospital admission rates of 45.0/105 and 46.5/105, respectively. High-risk areas were found in central and western Guangxi with relative risk (RR) values of asthma hospitalizations greater than 2.0. GDP per capita and altitude were positively associated with asthma hospitalizations, while air pressure and wind speed had a negative association. The explanatory powers of these factors (i.e., GDP per capita, altitude, air pressure, wind speed) were 22%, 20%, 14% and 10%, respectively. CONCLUSIONS The GDP per capita appears to have the strongest correlation with asthma hospitalization rates. High-risk areas were identified in central and western Guangxi characterized by high GDP per capita. These findings may be helpful for authorities developing targeted asthma prevention policies for high-risk areas and vulnerable populations, especially during high-risk periods.
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Affiliation(s)
- Rui Ma
- Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions, Ministry of Education, Henan University, Kaifeng, 475004, China.
| | - Lizhong Liang
- The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China.
| | - Yunfeng Kong
- Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions, Ministry of Education, Henan University, Kaifeng, 475004, China.
| | - Shiyan Zhai
- Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions, Ministry of Education, Henan University, Kaifeng, 475004, China.
| | - Jiangyan Gu
- Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions, Ministry of Education, Henan University, Kaifeng, 475004, China.
| | - Guangli Zhang
- Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions, Ministry of Education, Henan University, Kaifeng, 475004, China.
| | - Tuanhui Wang
- Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions, Ministry of Education, Henan University, Kaifeng, 475004, China.
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Bozigar M, Lawson A, Pearce J, King K, Svendsen E. A geographic identifier assignment algorithm with Bayesian variable selection to identify neighborhood factors associated with emergency department visit disparities for asthma. Int J Health Geogr 2020; 19:9. [PMID: 32188481 PMCID: PMC7081565 DOI: 10.1186/s12942-020-00203-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 03/04/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Ecologic health studies often rely on outcomes from health service utilization data that are limited by relatively coarse spatial resolutions and missing geographic information, particularly neighborhood level identifiers. When fine-scale geographic data are missing, the ramifications and strategies for addressing them are not well researched or developed. This study illustrates a novel spatio-temporal framework that combines a geographic identifier assignment (i.e., geographic imputation) algorithm with predictive Bayesian variable selection to identify neighborhood factors associated with disparities in emergency department (ED) visits for asthma. METHODS ED visit records with missing fine-scale spatial identifiers (~ 20%) were geocoded using information from known, coarser, misaligned spatial units using an innovative geographic identifier assignment algorithm. We then employed systematic variable selection in a spatio-temporal Bayesian hierarchical model (BHM) predictive framework within the NIMBLE package in R. Our novel methodology is illustrated in an ecologic case study aimed at identifying neighborhood-level predictors of asthma ED visits in South Carolina, United States, from 1999 to 2015. The health outcome was annual ED visit counts in small areas (i.e., census tracts) with primary diagnoses of asthma (ICD9 codes 493.XX) among children ages 5 to 19 years. RESULTS We maintained 96% of ED visit records for this analysis. When the algorithm used areal proportions as probabilities for assignment, which addressed differential missingness of census tract identifiers in rural areas, variable selection consistently identified significant neighborhood-level predictors of asthma ED visit risk including pharmacy proximity, average household size, and carbon monoxide interactions. Contrasted with common solutions of removing geographically incomplete records or scaling up analyses, our methodology identified critical differences in parameters estimated, predictors selected, and inferences. We posit that the differences were attributable to improved data resolution, resulting in greater power and less bias. Importantly, without this methodology, we would have inaccurately identified predictors of risk for asthma ED visits, particularly in rural areas. CONCLUSIONS Our approach innovatively addressed several issues in ecologic health studies, including missing small-area geographic information, multiple correlated neighborhood covariates, and multiscale unmeasured confounding factors. Our methodology could be widely applied to other small-area studies, useful to a range of researchers throughout the world.
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Affiliation(s)
- Matthew Bozigar
- Division of Epidemiology, Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA.
| | - Andrew Lawson
- Division of Biostatistics, Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - John Pearce
- Division of Environmental Health, Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Kathryn King
- Department of Pediatrics, Medical University of South Carolina, Charleston, SC, USA.,School-Based Health, Center for Telehealth, Medical University of South Carolina, Charleston, SC, USA
| | - Erik Svendsen
- Division of Environmental Health, Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
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Rodriguez A, Brickley E, Rodrigues L, Normansell RA, Barreto M, Cooper PJ. Urbanisation and asthma in low-income and middle-income countries: a systematic review of the urban-rural differences in asthma prevalence. Thorax 2019; 74:1020-1030. [PMID: 31278168 PMCID: PMC6860411 DOI: 10.1136/thoraxjnl-2018-211793] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Revised: 03/20/2019] [Accepted: 04/24/2019] [Indexed: 11/04/2022]
Abstract
BACKGROUND Urbanisation has been associated with temporal and geographical differences in asthma prevalence in low-income and middle-income countries (LMICs). However, little is known of the mechanisms by which urbanisation and asthma are associated, perhaps explained by the methodological approaches used to assess the urbanisation-asthma relationship. OBJECTIVE This review evaluated how epidemiological studies have assessed the relationship between asthma and urbanisation in LMICs, and explored urban/rural differences in asthma prevalence. METHODS Asthma studies comparing urban/rural areas, comparing cities and examining intraurban variation were assessed for eligibility. Included publications were evaluated for methodological quality and pooled OR were calculated to indicate the risk of asthma in urban over rural areas. RESULTS Seventy articles were included in our analysis. Sixty-three compared asthma prevalence between urban and rural areas, five compared asthma prevalence between cities and two examined intraurban variation in asthma prevalence. Urban residence was associated with a higher prevalence of asthma, regardless of asthma definition: current-wheeze OR:1.46 (95% CI:1.22 to 1.74), doctor diagnosis OR:1.89 (95% CI:1.47 to 2.41), wheeze-ever OR:1.44 (95% CI:1.15 to 1.81), self-reported asthma OR:1.77 (95% CI:1.33 to 2.35), asthma questionnaire OR:1.52 (95% CI:1.06 to 2.16) and exercise challenge OR:1.96 (95% CI:1.32 to 2.91). CONCLUSIONS Most evidence for the relationship between urbanisation and asthma in LMICs comes from studies comparing urban and rural areas. These studies tend to show a greater prevalence of asthma in urban compared to rural populations. However, these studies have been unable to identify which specific characteristics of the urbanisation process may be responsible. An approach to understand how different dimensions of urbanisation, using contextual household and individual indicators, is needed for a better understanding of how urbanisation affects asthma. PROSPERO REGISTRATION NUMBER CRD42017064470.
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Affiliation(s)
- Alejandro Rodriguez
- Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK
- Facultad de Ciencias Médicas de la Salud y la Vida, Universidad Internacional del Ecuador, Quito, Ecuador
- Fundación Ecuatoriana para la Investigación en Salud, Quito, Ecuador
| | - Elizabeth Brickley
- Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK
| | - Laura Rodrigues
- Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK
| | | | - Mauricio Barreto
- Instituto de Saude Coletiva, Universidad Federal da Bahia, Salvador, Brazil
- Centrode de Integração de Dados e Conhecimentos para Saúde (CIDACS), FIOCRUZ, Salvador, Brazil
| | - Philip J Cooper
- Facultad de Ciencias Médicas de la Salud y la Vida, Universidad Internacional del Ecuador, Quito, Ecuador
- Fundación Ecuatoriana para la Investigación en Salud, Quito, Ecuador
- Institute of Infection and Immunity, St George's University of London, London, UK
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Allik M, Leyland A, Travassos Ichihara MY, Dundas R. Creating small-area deprivation indices: a guide for stages and options. J Epidemiol Community Health 2019; 74:20-25. [PMID: 31630122 PMCID: PMC6929699 DOI: 10.1136/jech-2019-213255] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/07/2019] [Accepted: 10/10/2019] [Indexed: 11/29/2022]
Affiliation(s)
- Mirjam Allik
- MRC/CSO Social and Public Health Sciences Unit, University of Glasgow, Glasgow, UK
| | - Alastair Leyland
- MRC/CSO Social and Public Health Sciences Unit, University of Glasgow, Glasgow, UK
| | | | - Ruth Dundas
- MRC/CSO Social and Public Health Sciences Unit, University of Glasgow, Glasgow, UK
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Ichihara MYT, Ramos D, Rebouças P, Oliveira FJ, Ferreira AJF, Teixeira C, Allik M, Katikireddi SV, Barreto ML, Leyland AH, Dundas R. Area deprivation measures used in Brazil: a scoping review. Rev Saude Publica 2018; 52:83. [PMID: 30183845 PMCID: PMC6122878 DOI: 10.11606/s1518-8787.2018052000933] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Accepted: 05/30/2018] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVE To describe and assess currently used area-based measures of deprivation in Brazil for health research, to the purpose of informing the development of a future small area deprivation index. METHODS We searched five electronic databases and seven websites of Brazilian research institutions and governmental agencies. Inclusion criteria were: studies proposing measures of deprivation for small areas (i.e., finer geography than country-level) in Brazil, published in English, Portuguese or Spanish. After data-extraction, results were tabulated according to the area level the deprivation measure was created for and to the dimensions of deprivation or poverty included in the measures. A narrative synthesis approach was used to summarize the measures available, highlighting their utility for public health research. RESULTS A total of 7,199 records were retrieved, 126 full-text articles were assessed after inclusion criteria and a final list of 30 articles was selected. No small-area deprivation measures that have been applied to the whole of Brazil were found. Existing measures were mainly used to study infectious and parasitic diseases. Few studies used the measures to assess inequalities in mortality and no studies used the deprivation measure to evaluate the impact of social programs. CONCLUSIONS No up-to-date small area-based deprivation measure in Brazil covers the whole country. There is a need to develop such an index for Brazil to measure and monitor inequalities in health and mortality, particularly to assess progress in Brazil against the Sustainable Development Goal targets for different health outcomes, showing progress by socioeconomic groups.
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Affiliation(s)
- Maria Yury Travassos Ichihara
- Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Centro de Integração de Dados e Conhecimentos para a Saúde. Salvador, BA, Brasil
| | - Dandara Ramos
- Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Centro de Integração de Dados e Conhecimentos para a Saúde. Salvador, BA, Brasil
| | - Poliana Rebouças
- Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Centro de Integração de Dados e Conhecimentos para a Saúde. Salvador, BA, Brasil.,Universidade Federal da Bahia. Instituto de Saúde Coletiva. Salvador, BA, Brasil
| | - Flávia Jôse Oliveira
- Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Centro de Integração de Dados e Conhecimentos para a Saúde. Salvador, BA, Brasil.,Universidade Federal da Bahia. Instituto de Saúde Coletiva. Salvador, BA, Brasil
| | - Andrêa J F Ferreira
- Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Centro de Integração de Dados e Conhecimentos para a Saúde. Salvador, BA, Brasil.,Universidade Federal da Bahia. Instituto de Saúde Coletiva. Salvador, BA, Brasil
| | - Camila Teixeira
- Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Centro de Integração de Dados e Conhecimentos para a Saúde. Salvador, BA, Brasil.,Universidade Federal da Bahia. Instituto de Saúde Coletiva. Salvador, BA, Brasil
| | - Mirjam Allik
- University of Glasgow. MRC/CSO Social and Public Health Sciences Unit. Glasgow, Scotland
| | | | - Mauricio L Barreto
- Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Centro de Integração de Dados e Conhecimentos para a Saúde. Salvador, BA, Brasil.,Universidade Federal da Bahia. Instituto de Saúde Coletiva. Salvador, BA, Brasil
| | - Alastair H Leyland
- University of Glasgow. MRC/CSO Social and Public Health Sciences Unit. Glasgow, Scotland
| | - Ruth Dundas
- University of Glasgow. MRC/CSO Social and Public Health Sciences Unit. Glasgow, Scotland
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Gouveia N. Addressing Environmental Health Inequalities. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:ijerph13090858. [PMID: 27618906 PMCID: PMC5036691 DOI: 10.3390/ijerph13090858] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Accepted: 08/23/2016] [Indexed: 12/24/2022]
Abstract
Environmental health inequalities refer to health hazards disproportionately or unfairly distributed among the most vulnerable social groups, which are generally the most discriminated, poor populations and minorities affected by environmental risks. Although it has been known for a long time that health and disease are socially determined, only recently has this idea been incorporated into the conceptual and practical framework for the formulation of policies and strategies regarding health. In this Special Issue of the International Journal of Environmental Research and Public Health (IJERPH), “Addressing Environmental Health Inequalities—Proceedings from the ISEE Conference 2015”, we incorporate nine papers that were presented at the 27th Conference of the International Society for Environmental Epidemiology (ISEE), held in Sao Paulo, Brazil, in 2015. This small collection of articles provides a brief overview of the different aspects of this topic. Addressing environmental health inequalities is important for the transformation of our reality and for changing the actual development model towards more just, democratic, and sustainable societies driven by another form of relationship between nature, economy, science, and politics.
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Affiliation(s)
- Nelson Gouveia
- Department of Preventive Medicine, University of Sao Paulo Medical School, Sao Paulo 01246-903, Brazil.
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