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2.
Asian Pac J Cancer Prev ; 25(7): 2219-2227, 2024 Jul 01.
Artículo en Inglés | MEDLINE | ID: mdl-39068552

RESUMEN

OBJECTIVE: To identify the difference in breast cancer mortality rates among young women according to countries' economic classification. METHODS: A systematic literature review included retrospective studies on breast cancer mortality rates in women aged 20 to 49 years. Databases used were PubMed, Web of Science, Scopus, and Virtual Health Library, with articles selected in English, Portuguese, and Spanish. The study selection and analysis were conducted by two pairs of researchers. Data from 54 countries were extracted, including 39 high-income, 12 upper-middle-income, and 3 lower-middle-income countries. A meta-analysis was performed with the quantitative data from two studies. RESULTS: Six articles met the inclusion criteria. Four were analyzed descriptively due to data diversity, and two were included in the meta-analysis. The pooled mortality rate for high-income countries was 10.2 per 100,000 women (95% CI: 9.8-10.6), while for upper-middle-income countries, it was 15.5 per 100,000 women (95% CI: 14.9-16.1). Lower-middle-income countries had a pooled mortality rate of 20.3 per 100,000 women (95% CI: 19.5-21.1). The decrease in mortality rates in high-income countries was statistically significant (p<0.05). CONCLUSION: Mortality rates for breast cancer among young women have decreased significantly in high-income countries but have increased in lower-income countries. This disparity underscores the impact of insufficient investment in preventive measures, health promotion, early diagnosis, and treatment on young women's mortality in lower-income countries.


Asunto(s)
Neoplasias de la Mama , Países Desarrollados , Países en Desarrollo , Humanos , Femenino , Neoplasias de la Mama/mortalidad , Neoplasias de la Mama/patología , Pronóstico , Adulto Joven , Adulto , Tasa de Supervivencia , Renta , Persona de Mediana Edad , Factores Socioeconómicos
3.
Int J Chron Obstruct Pulmon Dis ; 19: 1207-1223, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38831892

RESUMEN

Purpose: Chronic obstructive pulmonary disease (COPD) poses a significant global health burden despite being largely preventable and treatable. Despite the availability of guidelines, COPD care remains suboptimal in many settings, including high-income countries (HICs) and upper-middle-income countries (UMICs), with varied approaches to diagnosis and management. This study aimed to identify common and unique barriers to COPD care across six countries (Australia, Spain, Taiwan, Argentina, Mexico, and Russia) to inform global policy initiatives for improved care. Methods: COPD care pathways were mapped for each country and supplemented with epidemiological, health-economic, and clinical data from a targeted literature review. Semi-structured interviews with 17 respiratory care clinicians were used to further validate the pathways and identify key barriers. Thematic content analysis was used to generate the themes. Results: Six themes were common in most HICs and UMICs: "Challenges in COPD diagnosis", "Strengthening the role of primary care", "Fragmented healthcare systems and coordination challenges", "Inadequate management of COPD exacerbations", "Limited access to specialized care" and, "Impact of underfinanced and overloaded healthcare systems". One theme, "Insurance coverage and reimbursement challenges", was more relevant for UMICs. HICs and UMICs differ in patient and healthcare provider awareness, primary care involvement, spirometry access, and availability of specialized care. Both face issues with healthcare fragmentation, guideline adherence, and COPD exacerbation management. In addition, UMICs also grapple with resource limitations and healthcare infrastructure challenges. Conclusion: Many challenges to COPD care are the same in both HICs and UMICs, underscoring the pervasive nature of these issues. While country-specific issues require customized solutions, there are untapped possibilities for implementing global respiratory strategies that support countries to manage COPD effectively. In addition to healthcare system-level initiatives, there is a crucial need for political prioritization of COPD to allocate the essential resources it requires.


Asunto(s)
Actitud del Personal de Salud , Accesibilidad a los Servicios de Salud , Enfermedad Pulmonar Obstructiva Crónica , Investigación Cualitativa , Enfermedad Pulmonar Obstructiva Crónica/terapia , Enfermedad Pulmonar Obstructiva Crónica/diagnóstico , Enfermedad Pulmonar Obstructiva Crónica/epidemiología , Humanos , Países en Desarrollo/economía , Atención Primaria de Salud/normas , Países Desarrollados , Conocimientos, Actitudes y Práctica en Salud , México/epidemiología , Disparidades en Atención de Salud , Entrevistas como Asunto , Prestación Integrada de Atención de Salud , Pautas de la Práctica en Medicina/normas , Neumólogos , Argentina/epidemiología , Adhesión a Directriz , Taiwán/epidemiología
4.
Lancet ; 403(10438): 1779-1788, 2024 May 04.
Artículo en Inglés | MEDLINE | ID: mdl-38614112

RESUMEN

BACKGROUND: Formerly incarcerated people have exceptionally poor health profiles and are at increased risk of preventable mortality when compared with their general population peers. However, not enough is known about the epidemiology of mortality in this population-specifically the rates, causes, and timing of death in specific subgroups and regions-to inform the development of targeted, evidence-based responses. We aimed to document the incidence, timing, causes, and risk factors for mortality after release from incarceration. METHODS: We analysed linked administrative data from the multi-national Mortality After Release from Incarceration Consortium (MARIC) study. We examined mortality outcomes for 1 471 526 people released from incarceration in eight countries (Australia, Brazil, Canada, New Zealand, Norway, Scotland, Sweden, and the USA) from 1980 to 2018, across 10 534 441 person-years of follow-up (range 0-24 years per person). We combined data from 18 cohort studies using two-step individual participant data meta-analyses to estimate pooled all-cause and cause-specific crude mortality rates (CMRs) per 100 000 person-years, for specific time periods (first, daily from days 1-14; second, weekly from weeks 3-12; third, weeks 13-52 combined; fourth, weeks 53 and over combined; and fifth, total follow-up) after release, overall and stratified by age, sex, and region. FINDINGS: 75 427 deaths were recorded. The all-cause CMR during the first week following release (1612 [95% CI 1048-2287]) was higher than during all other time periods (incidence rate ratio [IRR] compared with week 2: 1·5 [95% CI 1·2-1·8], I2=26·0%, weeks 3-4: 2·0 [1·5-2·6], I2=53·0%, and weeks 9-12: 2·2 [1·6-3·0], I2=70·5%). The highest cause-specific mortality rates during the first week were due to alcohol and other drug poisoning (CMR 657 [95% CI 332-1076]), suicide (135 [36-277]), and cardiovascular disease (71 [16-153]). We observed considerable variation in cause-specific CMRs over time since release and across regions. Pooled all-cause CMRs were similar between males (731 [95% CI 630-839]) and females (660 [560-767]) and were higher in older age groups. INTERPRETATION: The markedly elevated rate of death in the first week post-release underscores an urgent need for investment in evidence-based, coordinated transitional healthcare, including treatment for mental illness and substance use disorders to prevent post-release deaths due to suicide and overdose. Temporal variations in rates and causes of death highlight the need for routine monitoring of post-release mortality. FUNDING: Australia's National Health and Medical Research Council.


Asunto(s)
Causas de Muerte , Prisioneros , Adulto , Femenino , Humanos , Masculino , Persona de Mediana Edad , Australia/epidemiología , Brasil/epidemiología , Canadá/epidemiología , Países Desarrollados/estadística & datos numéricos , Encarcelamiento , Incidencia , Nueva Zelanda/epidemiología , Noruega/epidemiología , Prisioneros/estadística & datos numéricos , Factores de Riesgo , Escocia/epidemiología , Suecia/epidemiología
5.
Artículo en Inglés | MEDLINE | ID: mdl-36197419

RESUMEN

We described a MRSA bloodstream infection outbreak that was rapidly identified and controlled in a Neonatal Intensive Care Unit after implementation of a bundle of measures, including PCR-screening and HCW decolonization. We found 35% of healthcare workers(HCW) colonized with S. aureus by PCR, one of them that presented skin lesion positive for MSSA (same clone and spa type than two patients). Our findings raise the hypothesis that the outbreak could be related to HCW colonization.


Asunto(s)
Infección Hospitalaria , Staphylococcus aureus Resistente a Meticilina , Infecciones Estafilocócicas , Infección Hospitalaria/diagnóstico , Infección Hospitalaria/epidemiología , Infección Hospitalaria/prevención & control , Países Desarrollados , Brotes de Enfermedades/prevención & control , Humanos , Recién Nacido , Control de Infecciones , Unidades de Cuidado Intensivo Neonatal , Staphylococcus aureus Resistente a Meticilina/genética , Infecciones Estafilocócicas/diagnóstico , Infecciones Estafilocócicas/epidemiología , Staphylococcus aureus
6.
Artículo en Inglés | MEDLINE | ID: mdl-36078549

RESUMEN

Parental practices and environmental factors can impact a child's development and, consequently, functionality. The objective is to assess the parental practices and environmental differences in healthy and at-risk infants at 3-6 months of age living in upper-middle (Brazil) and high-income (Italy) countries. A total group of 115 infants was identified and classified into four groups: healthy Italian infants (H_IT); Italian infants exposed to biological risk factors (R_IT); healthy Brazilian infants (H_BR); and Brazilian infants exposed to environmental risk factors (L_BR). The dependent variables were parental practices and environmental factors, which were assessed through a semi-structured interview and the "variety of stimulation dimension" from the Affordances in the Home Environment for Motor Development-Infant Scale (AHEMD-IS) questionnaire. Descriptive analyses, a multivariate analysis of variance (MANOVA), and correlation tests were applied. Regarding the environment and parental practices, the mother's age, maternal and paternal education, civil status, and variety of stimulation showed significant differences among the infants living in Brazil or in Italy. There were strong dissimilarities in parental practices and environmental factors among infants living in low/upper-middle and high-income countries. Since the home environment is the main stimulus for infant growth and development, our results are meaningful for providing knowledge about these two different cultures.


Asunto(s)
Renta , Brasil , Estudios Transversales , Países Desarrollados , Escolaridad , Humanos , Lactante
7.
PLoS Negl Trop Dis ; 16(6): e0010428, 2022 06.
Artículo en Inglés | MEDLINE | ID: mdl-35666731

RESUMEN

BACKGROUND: Little is known about zoonotic tuberculosis (zTB) due to Mycobacterium bovis burden across the globe. The aim of this study was to describe zTB surveillance programs in selected WHO signatory countries and to assess the relationship of the disease with the country's income level and the risk of M. bovis transmission. METHODS: We searched the main articles databases and grey literature for guide documents published between 1980 and 2019. For inclusion, the articles and guide documents had to be in English, French, Portuguese, Spanish, or Italian. Only original articles and narrative and systematic reviews were accepted and the guide documents were required to be available on official websites. We excluded articles that did not focus on epidemiology, control and surveillance. We used bovine TB cases in livestock and wildlife populations as a proxy for the country's risk of zTB using data from the World Organization for Animal Health (OIE) published from 2015 to 2018. Countries were classified according to income level (World Bank's classification) and strength of zTB surveillance. The study was registered in PROSPERO under number CRD42018090603. FINDINGS: We included 13 articles and 208 guide documents including data from 119/194 countries (61.3%). We found a lack of surveillance data about zTB in over half (89.9%) of the 119 WHO signatory countries. Most surveillance systems perform passive surveillance and are not integrated into the One Health perspective, which was operating in 4/119 (3.4%) countries, all high-income. Many of these countries (71/119, 59.7%) have M. bovis circulating in their cattle herds, but only ~10% of them have implemented zTB surveillance activities. INTERPRETATION: Our findings highlight weaknesses in zTB surveillance worldwide, with a consequent lack of information that could support an adequate understanding of disease burden, especially in countries at major risk for M. bovis transmission. To meet this challenge, efforts will be needed to promote intersectoral policies, implementing the One Health strategy.


Asunto(s)
Mycobacterium bovis , Salud Única , Tuberculosis Bovina , Tuberculosis , Animales , Bovinos , Países Desarrollados , Renta , Tuberculosis/epidemiología , Tuberculosis/veterinaria , Tuberculosis Bovina/epidemiología
8.
Infect Dis Health ; 27(4): 235-238, 2022 11.
Artículo en Inglés | MEDLINE | ID: mdl-35753992

RESUMEN

BACKGROUND: The complex and specific surgical instruments (SI) acquired from loaner companies are provided non-sterile and must be reprocessed before each use. We evaluated the management practices of SI in loaner companies in a high (Australia) and a middle-income (Brazil) country. METHODS: Seven company managers in Australia and eight in Brazil replied to the self-administrated survey. RESULTS: Failures to meet recommended practices were detected, including standard operating procedure (SOP) provision, minimum delivery time, transport container and decontamination in loaner companies in both countries. Six of seven loaner companies in each country provided SOP for instrument reprocessing (one company in Brazil did not reply). Solicitation of the SI may occur 12 h before need in Brazil, and delivery of the set could be accepted 4 h before surgery in both countries. Transport of SI on stainless steel/aluminium trays was reported by 42.85% and 28.6% of companies in Brazil and Australia, respectively. In Australia, 57.1% of the loaner companies affirmed they performed cleaning only if the SI were visibly dirty. In Brazil, 62.5% of the companies reported they use alcohol to wipe SI. CONCLUSIONS: There is a need for standardisation of requirements and process verification improvement in loaner SI reprocessing and management.


Asunto(s)
Acero Inoxidable , Instrumentos Quirúrgicos , Humanos , Países Desarrollados , Brasil , Australia
9.
Rev. cuba. estomatol ; 59(1)mar. 2022.
Artículo en Inglés | LILACS, CUMED | ID: biblio-1408378

RESUMEN

Introduction: The reasons for tooth loss have been well defined for several centuries. However, systematic analysis of the causes of tooth loss in the first years of the present century would shed light on the current manifestation of this phenomenon. Objective: Determine the main causes of tooth mortality in the last 20 years. Methods: A systematic review was conducted using the Boolean search engines in PubMed, Web of Science, Scopus and SciELO bibliographic search platforms. The search was based on the following MeSH terms: cause, motive, mortality, extraction, dental extraction, loss, and combinations thereof. The articles included were in English or Spanish. Calibration was performed by the authors to evaluate the articles to be selected. Results: A total 593 articles were retrieved: 16 from Web of Science, 39 from Scopus, 531 from Pubmed and 1 from SciELO, of which 26 were included in the study. A predominance was found of articles published in English (80.8 percent). The main causes of tooth mortality dealt with were dental caries (92.30 percent) and periodontal disease (50.0 percent). Conclusions: The evidence obtained in the last 20 years is insufficient to determine the main reasons for dental extraction by continent. There is little availability of articles about areas from the most densely populated and developed countries in each continent. The articles included showed a predominance of dental caries and periodontal disease as the main reasons for dental extraction(AU)


Introducción: Las razones de la pérdida dentaria han sido bien definidas desde hace varios siglos. Sin embargo, sistematizar sobre las causas en los primeros años del presente siglo aportaría una visión de cómo se manifiestan en la actualidad. Objetivo: Determinar las principales causas de mortalidad dental en los últimos 20 años. Métodos: Se realizó una revisión sistemática utilizando los motores de búsqueda booleanos en la plataforma de búsqueda bibliográfica de PubMed, Web of Science, Scopus y SciELO. Las palabras clave utilizadas para la búsqueda fueron MesH: causa, motivo, mortalidad, extracción, extracción dental, pérdida y una combinación entre ellas. Se incluyeron artículos en español e inglés. Se realizó una calibración entre los autores para la evaluación de los artículos a seleccionar. Resultados: Como resultado de la búsqueda se obtuvieron 593 artículos, de los cuales 16 fueron de Web of Science, 39 de Scopus, 531 de Pubmed y 1 de SciELO. Los artículos incluidos en el estudio fueron 26. Predominaron las investigaciones publicadas en inglés (80,8 por ciento), que destacó entre los motivos de mortalidad dental estudiados, se encontró un predominio de caries dental (92,30 por ciento) y enfermedad periodontal (50,0 por ciento). Conclusiones: La evidencia obtenida en los últimos 20 años para determinar las principales razones de extracción dentaria por continentes es insuficiente y se observa la poca presencia de artículos en poblaciones de países con mayor desarrollado y número de habitantes de cada continente. Los artículos incluidos mostraron un predominio de la caries dental y la enfermedad periodontal como los principales motivos de extracción dentaria(AU)


Asunto(s)
Humanos , Enfermedades Periodontales/mortalidad , Extracción Dental , Caries Dental , Literatura de Revisión como Asunto , Países Desarrollados , Bases de Datos Bibliográficas , Motor de Búsqueda
10.
Sensors (Basel) ; 22(3)2022 Jan 28.
Artículo en Inglés | MEDLINE | ID: mdl-35161783

RESUMEN

The lack of interest of children at school is one of the biggest problems that Mexican education faces. Two important factors causing this lack of interest are the predominant methodology used in Mexican schools and the technology as a barrier for attention. The methodology that institutions have followed has become an issue because of its very traditional approach, with the professor giving all the theoretical material to the students while they listen and memorize the contents, and, if we add the issue of the growing access to technological devices for students, children carrying a phone are more likely to be distracted. This study aims to integrate technology through assistive robots as a beneficial tool for educators, in order to improve the attention span of students by making the learning process in multiple areas of the Mexican curriculum more dynamic, therefore obtaining better results. To prove this, four different approaches were implemented; three in elementary schools and one in higher education: the LEGO® robotic kit and the NAO robot for STEM (science, technology, engineering, and mathematics) teaching, the NAO robot for physical education (PE), and the PhantomX Hexapod, respectively. Each of these technological approaches was applied by considering both control and experimental groups, in order to compare the data and provide conclusions. Finally, this study proves that the attention span is indeed improved as a result of implementing robotic platforms during the teaching process, allowing the children to become more motivated during their PE class and become more proactive and retain more information during their STEM classes.


Asunto(s)
Procedimientos Quirúrgicos Robotizados , Robótica , Niño , Países Desarrollados , Humanos , Educación y Entrenamiento Físico , Tecnología
11.
PLoS One ; 17(1): e0262781, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35077473

RESUMEN

Immigrants' choice of settlement in a new country can play a fundamental role in their socio-economic integration. This is especially relevant if there are important gaps among these locations in terms of significant factors such as job opportunities, quality of health service, among others. This research presents a methodology to perform a recommended geographic redistribution of immigrants to improve their chances of socio-economic integration. The proposed methodology adapts a data-driven algorithm developed by the Immigration Policy Lab at Stanford University to allocate immigrants based on a socio-economic integration outcome across available locations. We extend their approach to study the immigration process between two developing countries. Specifically, we focus on the case of the arrival of immigrants from Venezuela to Colombia. We consider the absorptive capacity of locations in Colombia and include the health and education needs of immigrants in our analysis. From the application in the Venezuelan-Colombian context, we find that the proposed redistribution increases the probability that immigrants access formal employment by more than 50%. Furthermore, we identify variables associated with immigrants' formal employment and discuss specific strategies to improve the probability of success of vulnerable immigrants.


Asunto(s)
Emigrantes e Inmigrantes/estadística & datos numéricos , Aculturación , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Algoritmos , Colombia , Países Desarrollados , Países en Desarrollo , Empleo/estadística & datos numéricos , Femenino , Necesidades y Demandas de Servicios de Salud/estadística & datos numéricos , Humanos , Masculino , Persona de Mediana Edad , Modelos Estadísticos , Evaluación de Necesidades , Factores Socioeconómicos , Venezuela/etnología , Adulto Joven
12.
Environ Sci Pollut Res Int ; 29(20): 30055-30072, 2022 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-34997926

RESUMEN

This study analyzes the causal associations between economic growth (GDP) and biomass energy consumption (BIO) in the US, UK, and BRICS countries for the period 1990 to 2020 in time-frequency space. The use of wavelets is what distinguishes our approach, i.e., cross wavelet transform, wavelet coherence, and the wavelet-based Granger causality method proposed by Olayeni (2016), which quantifies the causal associations in the time-frequency space. The results uncover that the causal relationships between GDP and BIO are not uniform across time and frequency. In fact, there is a positive relationship between GDP and BIO indicators in the BRICS countries in the medium and long term and in the USA and UK in the short term throughout the research period. In addition, a bidirectional causal effect between GDP and BIO exists in China, Brazil, and India, while there is no long-run causal relationship between GDP and BIO in India and South Africa. The causal impacts of economic growth on biomass energy usage are more pronounced in these countries than in the opposite direction, especially over longer time horizons. The key conclusion is that these countries should boost their biomass energy consumption to promote economic growth and reduce energy reliance.


Asunto(s)
Dióxido de Carbono , Desarrollo Económico , Biomasa , Brasil , Dióxido de Carbono/análisis , China , Países Desarrollados , India , Energía Renovable , Sudáfrica , Análisis de Ondículas
13.
Artículo en Inglés | MEDLINE | ID: mdl-34682670

RESUMEN

BACKGROUND: The interaction between physical activity (PA), diet, and sedentary behavior (SB) plays an important role on health-related outcomes. This scoping review (Prospero CRD42018094826) aims to identify and appraise clusters of PA, diet, and SB among youth (0-19 years) according to country income. METHODS: Five databases were searched. Fifty-seven articles met the inclusion criteria. RESULTS: Fifty-five cluster types were identified, with greater variety in high-income than lower income countries. The most prevalent profiles were "High SB and consumption of sugar, salt, and beverages (SSB)" (n = 17) and "High PA" (n = 13-5), both of which presented in all income countries. The healthiest profile, "High PA and fruit and vegetables (F&V); Low SB and SSB" (n = 12), was present in upper-middle and high-income countries, while the unhealthiest "Low PA and F&V; High SB and SSB" (n = 6) was present only in high-income countries. CONCLUSIONS: High SB and unhealthy diet (SSB) were more prevalent in clusters, mainly in high-income countries. The results support the need for multi-component actions targeting more than one behavior at the same time.


Asunto(s)
Ejercicio Físico , Conducta Sedentaria , Adolescente , Análisis por Conglomerados , Países Desarrollados , Dieta , Humanos
14.
J. bras. psiquiatr ; J. bras. psiquiatr;70(3): 193-202, jul.-set. 2021. tab, graf
Artículo en Inglés | LILACS | ID: biblio-1350953

RESUMEN

OBJECTIVE: The aim of this study was to use a wavelet technique to determine whether the number of suicides is similar between developed and emerging countries. METHODS: Annual data were obtained from World Health Organization (WHO) reports from 1986 to 2015. Discrete nondecimated wavelet transform was used for the analysis, and the Daubechies wavelet function was applied with five-level decomposition. Regarding clustering, energy (variance) was used to analyze the clusters and visualize the clustering process. We constructed a dendrogram using the Mahalanobis distance. The number of groups was set using a specific function in the R program. RESULTS: The cluster analysis verified the formation of four groups as follows: Japan, the United States and Brazil were distinct and isolated groups, and other countries (Austria, Belgium, Chile, Israel, Mexico, Italy and the Netherlands) constituted a single group. CONCLUSION: The methods utilized in this paper enabled a detailed verification of countries with similar behaviors despite very distinct socioeconomic, geographic and climate characteristics.


OBJETIVO: Verificar se existe relação de similaridade entre o número de suicídio em países desenvolvidos e emergentes usando a técnica de ondaletas. MÉTODOS: Os dados anuais foram obtidos a partir do relatório da Organização Mundial da Saúde (OMS), no período de 1986 a 2015. Para análise, foi empregada a transformada discreta não decimada de ondaleta (NDWT), a função ondaleta aplicada foi a Daubechies com cinco níveis de decomposição. Com relação ao agrupamento, utilizou-se a energia (variância) para analisar os clusters e, para a visualização do processo de clusterização, trabalhamos com o dendograma, no qual se empregou a distância de Mahalanobis. A quantidade de grupos foi definida por meio da função NbCluster. RESULTADOS: A partir da análise de cluster, verificou-se a formação de quatros grupos. No qual, Japão e Estados Unidos e Brasil localizam-se em grupos distintos e isolados. E os demais países (Áustria, Bélgica, Chile, Israel, México, Itália e Holanda) em um único grupo. CONCLUSÃO: Utilizando esse método, foi possível verificar com mais detalhes quais países apresentaram comportamentos semelhantes, mesmo apresentando características bem distintas entre si, tanto socioeconômica, geográfica e climática.


Asunto(s)
Humanos , Masculino , Femenino , Adolescente , Adulto , Anciano , Suicidio/psicología , Suicidio/estadística & datos numéricos , Países Desarrollados , Países en Desarrollo , Análisis de Ondículas , Estudios de Series Temporales , Factores de Riesgo , Trastornos Mentales/epidemiología
17.
Nature ; 594(7862): 234-239, 2021 06.
Artículo en Inglés | MEDLINE | ID: mdl-33981035

RESUMEN

Loss of gut microbial diversity1-6 in industrial populations is associated with chronic diseases7, underscoring the importance of studying our ancestral gut microbiome. However, relatively little is known about the composition of pre-industrial gut microbiomes. Here we performed a large-scale de novo assembly of microbial genomes from palaeofaeces. From eight authenticated human palaeofaeces samples (1,000-2,000 years old) with well-preserved DNA from southwestern USA and Mexico, we reconstructed 498 medium- and high-quality microbial genomes. Among the 181 genomes with the strongest evidence of being ancient and of human gut origin, 39% represent previously undescribed species-level genome bins. Tip dating suggests an approximate diversification timeline for the key human symbiont Methanobrevibacter smithii. In comparison to 789 present-day human gut microbiome samples from eight countries, the palaeofaeces samples are more similar to non-industrialized than industrialized human gut microbiomes. Functional profiling of the palaeofaeces samples reveals a markedly lower abundance of antibiotic-resistance and mucin-degrading genes, as well as enrichment of mobile genetic elements relative to industrial gut microbiomes. This study facilitates the discovery and characterization of previously undescribed gut microorganisms from ancient microbiomes and the investigation of the evolutionary history of the human gut microbiota through genome reconstruction from palaeofaeces.


Asunto(s)
Bacterias/aislamiento & purificación , Biodiversidad , Evolución Biológica , Heces/microbiología , Microbioma Gastrointestinal , Genoma Bacteriano/genética , Interacciones Microbiota-Huesped , Antibacterianos/administración & dosificación , Bacterias/clasificación , Bacterias/genética , Enfermedad Crónica , Países Desarrollados , Países en Desarrollo , Dieta Occidental , Historia Antigua , Humanos , Desarrollo Industrial/tendencias , Methanobrevibacter/clasificación , Methanobrevibacter/genética , Methanobrevibacter/aislamiento & purificación , México , Conducta Sedentaria , Sudoeste de Estados Unidos , Especificidad de la Especie , Simbiosis
18.
Environ Sci Pollut Res Int ; 28(28): 37804-37817, 2021 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-33721165

RESUMEN

CO2 emissions are the leading causes of deterioration in air quality and global warming. Likewise, it has been shown that clean energy reduces air pollution, so this would be a way out of environmental pollution. Some previous studies have focused on knowing the determinants of environmental pollution; however, they have omitted the State's role. Thus, this study explores the long-term nexus between CO2 emissions and renewable energy, energy efficiency, fossil fuels, GDP, property rights from 1995 to 2019 in nine developed countries. The results reveal a long-term equilibrium relationship in developed European countries, but not in developed non-European countries. The main results show that renewable energy and energy efficiency are negatively correlated with CO2 emissions. In developed European countries, a 1% increase in renewable energy consumption represents a 0.03% decrease in CO2 emissions. Finally, some policy measures are suggested to achieve environmental sustainability.


Asunto(s)
Dióxido de Carbono , Desarrollo Económico , Conservación de los Recursos Energéticos , Países Desarrollados , Propiedad , Energía Renovable
19.
Rev. bras. ciênc. mov ; 29(1): [1-16], jan.-mar. 2021. tab
Artículo en Inglés | LILACS | ID: biblio-1343706

RESUMEN

Background: Population studies using accelerometers to estimate physical inactivity in older people have been carried out in developed countries. In Brazil, these studies are limited to subjective measures. Objective: to identify through an accelerometer the prevalence and factors associated with physical inactivity in older people residents in São Paulo, Brazil. Methods: This is a cross-sectional population-base study conducted with 543 older people individuals (mean 73.8 years) using data from the SABE study (Health, Welfare and Ageing). The level of physical activity was measured using accelerometers, and the participants categorized into inactive with <30 minutes of moderate and/or vigorous activity daily; and active with > 30 minutes moderate and/or vigorous activity daily. The independent variables were sociodemographic, anthropometric, clinical, and lifestyle. The association of the dependent variable with the independent variables was conducted using multiple regression analysis. Results: Of the older people evaluated, 85.4% were physically inactive (men = 74.3% and women = 91.9%). Older people aged >75 years (OR=4.67 [1.87 to 11.66]), women (OR=2.26 [1.15 to 4.44]), with high waist circumference (OR=2.93 [1.41 to 6.12]), high number of comorbidities (OR=2.27 [1.22 to 4.23]), and chronic pain (OR=2.54 [1.32 to 4.88]) were associated independently with physical inactivity. Conclusion: The prevalence of physical inactivity in older people individuals aged 65 or over is appalling and associated with sociodemographic, anthropometric, and clinical variables.(AU)


Estudos populacionais utilizando acelerômetros para estimar a inatividade física em idosos têm sido realizados em países desenvolvidos. No Brasil, esses estudos se limitam a medidas subjetivas. Objetivo: identificar por meio de um acelerômetro a prevalência e os fatores associados à inatividade física em idosos residentes em São Paulo, Brasil. Métodos: Trata-se de um estudo transversal de base populacional realizado com 543 idosos (média de 73,8 anos) a partir dos dados do estudo SABE (Saúde, Bem-Estar e Envelhecimento). O nível de atividade física foi medido por meio de acelerômetros, e os participantes categorizados em inativos com <30 minutos de atividade moderada e / ou vigorosa diariamente; e ativo com> 30 minutos de atividade moderada e / ou vigorosa diariamente. As variáveis independentes foram sociodemográficas, antropométricas, clínicas e estilo de vida. A associação da variável dependente com as variáveis independentes foi realizada por meio de análise de regressão múltipla. Resultados: Dos idosos avaliados, 85,4% eram inativos fisicamente (homens = 74,3% e mulheres = 91,9%). Idosos com idade> 75 anos (OR = 4,67 [1,87 a 11,66]), mulheres (OR = 2,26 [1,15 a 4,44]), com circunferência da cintura elevada (OR = 2,93 [1,41 a 6,12]), elevado número de comorbidades (OR = 2,27 [1,22 a 4,23]) e dor crônica (OR = 2,54 [1,32 a 4,88]) foram associados de forma independente à inatividade física. Conclusão: A prevalência de inatividade física em idosos com 65 anos ou mais é preocupante e está associada a variáveis sociodemográficas, antropométricas e clínicas.(AU)


Asunto(s)
Humanos , Masculino , Femenino , Anciano , Envejecimiento , Salud Pública , Epidemiología , Conducta Sedentaria , Anciano , Países Desarrollados , Salud , Prevalencia , Acelerometría
20.
Reprod Health ; 18(1): 30, 2021 Feb 08.
Artículo en Inglés | MEDLINE | ID: mdl-33557835

RESUMEN

OBJECTIVE: Although medication abortion has become more common in high-income countries, the procedure has not yet met early expectations for widening access to abortion. High-quality evidence can serve as a catalyst for changes in policy and practice. To direct research priorities, it is important to understand where quality evidence is concentrated and where gaps remain. High-income countries have developed a body of evidence that may have implications for the future of medication abortion. This literature review assesses the characteristics and quality of published studies on medication abortion conducted in the last 10 years in high-income countries and indicates future areas for research to advance policy and practice, and broaden access. STUDY DESIGN: A structured search for literature resulted in 207 included studies. A framework based upon the World Health Organization definition of sub-tasks for medication abortion was developed to categorize research by recognized stages of the medication abortion process. Using an iterative and inductive approach, additional sub-themes were created under each of these categories. Established quality assessment frameworks were drawn upon to gauge the internal and external validity of the included research. RESULTS: Studies in the US and the UK have dominated research on MA in high-income countries. The political and social contexts of these countries will have shaped of this body of research. The past decade of research has focused largely on clinical aspects of medication abortion. CONCLUSION: Researchers should consider refocusing energies toward testing service delivery approaches demonstrating promise and prioritizing research that has broader generalizability and relevance outside of narrow clinical contexts. Although medication abortion is more commonly available worldwide, it is not being used as often as people thought it would be, particularly in high income countries. In order to encourage changes in policy and practice that would allow greater use, we need good quality evidence. If we can understand where we do not have enough research and where we have good amounts of research, we can determine where to invest energies in further studies. Many high-income countries have produced research on medication abortion that could influence policy and practice in similarly resourced contexts. I conducted a literature review to be able to understand the type and quality of research on medication abortion conducted in high-income countries in the past 10 years. I conducted the review in an organized way to make sure that the papers reviewed discussed studies that I thought would be important for answering this question. The literature review found 207 papers. Each of these papers were reviewed and organized them by theme. I also used existing methods to determinine the quality of each study. Most of the research came from the US and the UK. Furthermore, most of the research conducted in the past 10 years was focused on clinical studies of medication abortion. In future studies, researchers should focus more on new ways of providing medication abortion to women that offers greater access. Also, the studies should be designed so that the results have meaning for a broader group of people or situations beyond where the study was done.


Asunto(s)
Abortivos/uso terapéutico , Aborto Inducido , Atención a la Salud , Países Desarrollados , Femenino , Humanos , Renta , Embarazo , Garantía de la Calidad de Atención de Salud
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