37 results on '"Villarroel N"'
Search Results
2. The impact of economic recession on the health of migrant fathers over time: results from the Growing up in Ireland longitudinal study
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Villarroel, N., MacFarlane, A., Roura, M., Basogomba, A., Bradley, C., LeMaster, J.W., and Hannigan, A.
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Male ,Transients and Migrants ,Depression ,Research ,Cohort ,Public Health, Environmental and Occupational Health ,Health status ,Cohort Studies ,Fathers ,Economic Recession ,Attrition ,Ethnicity ,Humans ,Longitudinal Studies ,Public aspects of medicine ,RA1-1270 ,Ireland ,Migrant men - Abstract
Background The relationship between economic conditions and health can depend on both the health outcome measured and the composition of the population. Analysis of outcomes by both ethnicity and country of birth has been recommended. The aim of our study is to explore the impact of recession on self-rated health and depression of migrant fathers in Ireland over time, considering both ethnicity and country of birth. Methods Longitudinal data from waves of a population-representative cohort study (Growing up in Ireland, 2008–2013) was used with Wave 1 collected before the recession and Wave 2 collecting information on how the recession affected families. Socio-demographic variables, self-rated health and depression were compared across three groups of fathers classified by self-identified ethnicity and country of birth: White Irish (n = 5628), Other White European (EU-10) (n = 431), and Black African (n = 192) using chi-square tests and logistic regression models. Rates of follow-up were compared across groups at Wave 3. Results Prior to the recession, the rate of employment was lowest for African fathers (51% vs 81% for EU-10 fathers and 92% for Irish fathers, p p Conclusions Understanding the relationship between economic conditions and health is complex and may be related to multiple dimensions of socio-economic advantage and disadvantage. African families were already more likely to be disadvantaged prior to the recession and that pattern persisted during the recession. Further research on attrition rates of migrants in population cohort studies is needed and the development of effective strategies for recruitment, follow-up and analysis.
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- 2022
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3. Efecto de la implementacion de la quiropodia funcional al momento del secado sobre la produccion de leche y la reproduccion en vacas
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Garcia B., Dionel, Hanh K., Martin, Pino R., Disney, Vivas P., Isis, Sánchez V., Alfredo, and Villarroel N., Regino
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- 2004
4. Evaluacion comparativa de diferentes metodos de control de la Hematuria Enzootica Bovina
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Sánchez-V., Alfredo, Villarroel-N., Regino, Pino-R., Disney, Garcia-B., Dionel, Molero-S., Gladys, and Carrasco de D., Deily
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- 2003
5. Estudio ultrasonografico de la vejiga urinaria en la hematuria enzootica bovina
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Sandoval-M., Jorge, Sánchez-V., Alfredo, Pino-R., Disney, Villarroel-N., Regino, Alvarado-M., Manuel, and García-B., DioneI
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- 2002
6. Efecto de la antibiotico-terapia por vias endoarterial (aorto-puncion) e intrauterina sobre los parametros reproductivos de vacas lecheras afectadas por Metritis Puerperal Aguda
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Dionel, Garcia-B., Vivas, Isis, Pino-R., Disney, Sánchez-V., Alfredo, Villarroel-N., Regina, and Gutierrez, Juan C.
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- 2002
7. Application of High-Definition Dual Imaging-While-Drilling Technology for Unconventional Reservoirs: A Case Study from Vaca Muerta, Argentina
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Cuadros, G., primary, Vallejo, M.D., additional, Brown, R., additional, Hernandez, C., additional, Lombardo, E., additional, Villarroel, N., additional, Shrivastava, C., additional, and Delgado, P., additional
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- 2020
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8. Assessing a New LWD Technology of Borehole Imaging for Unconventional Reservoirs: A Case Study from Vaca Muerta, Argentina
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Vallejo, M.D., primary, Villarroel, N., additional, Cuadros, G., additional, Shrivastava, C., additional, Brown, R.L., additional, Lombardo, E.F., additional, Hernandez, C.A., additional, Chandia, M., additional, and Delgado, P., additional
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- 2020
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9. 2.3-O3Unveiling participation of ethnic minorities and other stakeholders in heath research decision-making in Ireland
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Roura, M, primary, Bradley, C, additional, Hannigan, A, additional, Basogomba, A, additional, Adshead, M, additional, LeMaster, J, additional, Villarroel, N, additional, Romer, A, additional, Papyan, A, additional, McCarthy, S, additional, Nurse, D, additional, and MacFarlane, A, additional
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- 2018
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10. 75 Clinician HEART Score Calculation Variability: A Pilot Study
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Villarroel, N., primary, Mader, T.J., additional, Soares, W., additional, and Westafer, L., additional
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- 2017
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11. Health inequality between immigrants and natives in Spain: The loss of the healthy immigrant effect in times of economic crisis
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Gotsens M., Malmusi D., Villarroel N., Vives-Cases C., Garcia-Subirats I., Hernando C., and Borrell C.
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Male ,Time Factors ,Adolescent ,drug dependence ,Substance-Related Disorders ,sex difference ,Health Status ,Emigrants and Immigrants ,self report ,Young Adult ,socioeconomics ,Sex Factors ,time factor ,middle aged ,Activities of Daily Living ,statistics and numerical data ,cross-sectional study ,Humans ,human ,ethnology ,Health Status Disparities ,daily life activity ,Health Surveys ,health survey ,migrant ,female ,Cross-Sectional Studies ,Mental Health ,Socioeconomic Factors ,Spain ,epidemiology ,health disparity - Abstract
Background: The immigrant population living in Spain grew exponentially in the early 2000s but has been particularly affected by the economic crisis. This study aims to analyse health inequalities between immigrants born in middle- or low-income countries and natives in Spain, in 2006 and 2012, taking into account gender, year of arrival and socioeconomic exposures. Methods: Study of trends using two cross-sections, the 2006 and 2012 editions of the Spanish National Health Survey, including residents in Spain aged 1564 years (20 810 natives and 2950 immigrants in 2006, 14 291 natives and 2448 immigrants in 2012). Fair/poor self-rated health, poor mental health (GHQ-12 > 2), chronic activity limitation and use of psychotropic drugs were compared between natives and immigrants who arrived in Spain before 2006, adjusting robust Poisson regression models for age and socioeconomic variables to obtain prevalence ratios (PR) and 95% confidence interval (CI). Results: Inequalities in poor self-rated health between immigrants and natives tend to increase among women (age-adjusted PR2006 = 1.39; 95% CI: 1.241.56, PR2012 = 1.56; 95% CI: 1.331.82). Among men, there is a new onset of inequalities in poor mental health (PR2006 = 1.10; 95% CI: 0.861.40, PR2012 = 1.34; 95% CI: 1.061.69) and an equalization of the previously lower use of psychotropic drugs (PR2006 = 0.22; 95% CI: 0.110.43, PR2012 = 1.20; 95% CI: 0.732.01). Conclusions: Between 2006 and 2012, immigrants who arrived in Spain before 2006 appeared to worsen their health status when compared with natives. The loss of the healthy immigrant effect in the context of a worse impact of the economic crisis on immigrants appears as potential explanation. Employment, social protection and re-universalization of healthcare would prevent further deterioration of immigrants health status. © The Author 2015.
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- 2015
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12. Heterogeneous patterns of health status among immigrants in spain
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Villarroel N. and Artazcoz L.
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Adult ,Male ,Bolivia ,sex difference ,Health Status ,Argentina ,Indicator indicator ,Emigrants and Immigrants ,immigrant ,Colombia ,migration ,Bolivian ,Spaniard ,human experiment ,Young Adult ,socioeconomics ,Sex Factors ,Peru ,middle aged ,gender ,cross-sectional study ,Humans ,controlled study ,human ,ethnology ,Romania ,public health ,article ,foreigner ,major clinical study ,Health Surveys ,MLCS ,health survey ,MLOWN ,Morocco ,female ,Cross-Sectional Studies ,Socioeconomic Factors ,Spain ,statistics ,ethnicity ,Ecuador ,mental health - Abstract
Objectives: 1) To analyse differences in the self-perceived health and mental health status between the Spanish population and immigrants from the seven leading countries in terms of number of immigrants; 2) to examine whether differences are accounted for by socio-economic charateristics, and 3) to determine whether the patterns of associations differ by gender. Methods: Data come from the 2006 Spanish National Health Survey. The sample was composed of all 20–64 year old Spaniards and immigrants from the seven countries with most immigrants in Spain (Argentina, Bolivia, Colombia, Ecuador, Peru, Romania and Morocco) [n=20,731]. Results: In both sexes, people from Bolivia had poorer health outcomes, above all Bolivian males. Conversely, people from Argentina and Colombia had the best health outcomes. For the rest of countries results varied depending of gender, country and health indicator was found. Conclusions: Differences in health status between people born in Spain and foreign-born people depend on relationships between country of birth, characteristics of the migration process, gender, ethnicity and the health outcome analysed. © 2012 Elsevier Ltd
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- 2012
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13. Exposición al humo ambiental de tabaco en locales de hostelería de Barcelona: Medición de partículas respirables
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Villarroel N., López M.J., Sánchez-Martínez F., Fernández E., and Nebot M.
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Second-hand smoke ,Passive smoking ,PM2.5 ,Spanish smoking law ,Hospitality venues - Abstract
Objectives: To quantify the concentration of respirable particles equal to or smaller than 2.5µm (PM2.5) as a marker of second-hand smoke (SHS) exposure in a sample of hospitality venues in Barcelona 2 years after the Spanish smoking law came into effect. Methods: We performed a cross-sectional descriptive study from October to December 2007. The study population consisted of 40 hospitality venues in Barcelona selected by a random route sampling, with representation of the different types of smoking regulation included in the law (smoking allowed, smoking ban and venues with smoking areas). SHS levels were quantified by measuring PM2.5 concentrations, which were measured using a laser photometer (Side Pack AM 510 Personal Aerosol Monitor). The measurements were carried out for 5minutes outside the venue and for 30minutes inside the venue. In addition, observational variables related to the characteristics of the venue and signs of tobacco consumption were recorded. Results: The concentration of PM2.5 in venues where smoking was still allowed was five times higher than that in venues where smoking was banned (182µg/m3 and 34µg/m3, respectively) and exceeded the concentration established by the US Environmental Protection Agency (EPA) as harmful (35µg/m3). However, in venues where smoking was banned, the concentration was lower than the EPA standard and there were no significant differences with the outdoor PM2.5 concentration. Conclusions: Two years after the introduction of the Spanish smoking law, SHS exposure in venues where smoking was allowed was q still very high, representing a significant health risk for hospitality workers. © 2010 SESPAS.
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- 2011
14. Image-Based Estimation Of Regional Lung Strain During Ventilator-Induced Lung Injury
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Retamal Montes, Jamie, Hurtado, D. E., Villarroel, N., Bruhn, A., Hedenstierna, Göran, Larsson, A., Borges, João Batista, Retamal Montes, Jamie, Hurtado, D. E., Villarroel, N., Bruhn, A., Hedenstierna, Göran, Larsson, A., and Borges, João Batista
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- 2015
15. Improving Horizontal Well Placement in the Orinoco Oil Belt with the Use of Bed Boundary Mapping Technologies
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Cuadros, G.., additional, Chamat, E. H., additional, Villarroel, N.., additional, Scrofina, J.., additional, Cermeño, E.., additional, and Rodriguez, O.., additional
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- 2015
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16. Effects of the endoarterial medication and intrauterine infusions on reproductive values of milk /cows suffering of acute puerperal metritis,Efecto de la antibiotico-terapia por vías endoarterial (aorto-punción) e intrauterina sobre los parámetros reproductivos de vacas lecheras afectadas por metritis puerperal aguda
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Garcia-B, D., Vivas, I., Pino-R, D., Sánchez-V, A., Villarroel-N, R., and Gutierrez, J. C.
17. Vaginal infiltration for relief of neuropathic pain after sacrospinous hysteropexy: First successful mid-term report.
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Vallejos Peñaloza G, Velasco Galaz MT, Castillo Villarroel N, Quiñones San Martin PA, Carstens Landreau C, and Barria Candell M
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- Humans, Female, Middle Aged, Anesthesia, Local methods, Vagina surgery, Glucocorticoids administration & dosage, Pelvic Organ Prolapse surgery, Treatment Outcome, Neuralgia etiology, Neuralgia drug therapy, Quality of Life, Pain, Postoperative drug therapy, Pain, Postoperative etiology
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Female genital prolapse, especially apical prolapse, significantly affects women's health and quality of life. Sacrospinous hysteropexy is a widely used surgical procedure to address this condition, presenting few postoperative complications. However, one of the reported complications is neuropathic pain resulting from damage to the branches of the pudendal nerve. Despite the frequency of this complication, there are few standardized management alternatives. This article presents a clinical case of a 62-year-old patient who experienced persistent neuropathic pain after a sacrospinous hysteropexy, in whom traditional approaches such as physical therapy and medications were ineffective. Therefore, it was decided to perform a corticosteroid infiltration in the painful sites via the vaginal route with local anesthesia. The patient experienced immediate pain relief, which lasted for months without the need to repeat the infiltration. The available literature is scarce regarding the long-term success of this therapeutic technique, so this case highlights the potential mid-term efficacy of this alternative in managing postoperative neuropathic pain. This case contributes to the growing evidence that corticosteroid infiltration can be a viable option for the treatment of postoperative neuropathic pain, offering an improvement in the quality of life of affected patients. While this case shows an initial successful approach, further research is needed to validate and establish the applicability of vaginal corticosteroid infiltration in similar cases., Competing Interests: The authors declare that they have no conflicts of interest., (This work is licensed under a Creative Commons Attribution 4.0 International License.)
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- 2025
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18. Curating a media-linked curriculum.
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Alroumi F, Belforti R, Villarroel N, and Blanchard RD
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- Humans, Pandemics, Education, Medical, Undergraduate organization & administration, Education, Medical, Undergraduate methods, Education, Distance organization & administration, Education, Distance methods, Students, Medical psychology, Curriculum, COVID-19, SARS-CoV-2
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Background: The COVID-19 pandemic motivated considerable educational innovation in technology-enhanced learning (TEL), and educators must now thoughtfully apply identified best practices to both in-person and virtual learning experiences through instructional design and reflective practice. This paper describes the development and evaluation of an innovation utilising TEL to enhance our core curriculum content and students' learning., Approach: The curriculum-linked media (CLM) was introduced as a part of a doctoring and clinical skills course for pre-clinical medical students as a structured curriculum that pairs audio and/or video-based content with reflection prompts designed to prime students for active, in-person learning upon arrival to their classrooms. The CLM aimed to help students (1) gain a deeper understanding of the course content, (2) partake in reflective practice and (3) explore diverse perspectives on a particular topic., Evaluation: All students completed a survey at the end of their academic year to evaluate the activity. Some students found the innovation helpful in that it facilitated perspective taking and prepared them for their in-person class. The reflection questions that paired with the media prompted discussion in class and a deeper connection with the materials. Making the content relevant to the local community and highlighting regional issues made the activity more relatable., Implications: Our experience demonstrated that the CLM model can be a helpful and efficient tool to stretch the educational reach of the classroom. Future applications may consider the implementation and evaluation of the model with clinical students and postgraduate trainees., (© 2023 John Wiley & Sons Ltd and The Association for the Study of Medical Education.)
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- 2024
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19. Raising ethnicity recording in NHS Lothian from 3% to 90% in 3 years: processes and analysis of data from Accidents and Emergencies.
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Davidson EM, Douglas A, Villarroel N, Dimmock K, Gorman D, and Bhopal RS
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- Accidents, Emergencies, Ethnic and Racial Minorities, Humans, Minority Groups, SARS-CoV-2, State Medicine, COVID-19, Ethnicity
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Background: The disproportionate burden of COVID-19 on ethnic minority populations has recently highlighted the necessity of maintaining accessible, routinely collected, ethnicity data within healthcare services. Despite 25 years of supportive legislation and policy in the UK, ethnicity data recording remains inconsistent, which has hindered needs assessment, evaluation and decision-making. We describe efforts to improve the completeness, quality and usage of ethnicity data within our regional health board, NHS Lothian., Methods: The Ethnicity Coding Task Force was established with the aim of increasing ethnicity recording within NHS Lothian secondary care services from 3 to 90% over 3 years. We subsequently analysed these data specifically focusing on Accident and Emergency (A&E) use by ethnic group., Results: We achieved 91%, 85% and 93% completeness of recording across inpatients, outpatients and A&E, respectively. Analysis of A&E data found a mixed pattern of attendance amongst ethnic minority populations and did not support the commonly perceived relationship between lower GP registration and higher A&E use within this population., Conclusions: We identified a successful approach to increase ethnicity recording within a regional health board, which could potentially be useful in other settings, and demonstrated the utility of these data in informing assessment of healthcare delivery and future planning., (© The Author(s) 2020. Published by Oxford University Press on behalf of Faculty of Public Health. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)
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- 2021
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20. Population perspective comparing COVID-19 to all and common causes of death during the first wave of the pandemic in seven European countries.
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Olabi B, Bagaria J, Bhopal SS, Curry GD, Villarroel N, and Bhopal R
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Objectives: Mortality statistics on the COVID-19 pandemic have led to widespread concern and fear. To contextualise these data, we compared mortality related to COVID-19 during the first wave of the pandemic across seven countries in Europe with all and common causes of death, stratifying by age and sex. We also calculated deaths as a proportion of the population by age and sex., Study Design: Analysis of population mortality data., Methods: COVID-19 related mortality and population statistics from seven European countries were extracted: England and Wales, Italy, Germany, Spain, France, Portugal and Netherlands. Available data spanned 14-16 weeks since the first recorded deaths in each country, except Spain, where only comparable stratified data over an 8-week time period was available. The Global Burden of Disease database provided data on all deaths and those from pneumonia, cardiovascular disease combining ischaemic heart disease and stroke, chronic obstructive pulmonary disease, cancer, road traffic accidents and dementia in 2017., Results: Deaths related to COVID-19, while modest overall, varied considerably by age. Deaths as a percentage of all cause deaths during the time period under study ranged from <0.01% in children in Germany, Portugal and Netherlands, to as high as 41.65% for men aged over 80 years in England and Wales. The percentage of the population who died from COVID-19 was less than 0.2% in every age group under the age of 80. In each country, over the age of 80, these proportions were: England and Wales 1.27% males, 0.87% females; Italy 0.6% males, 0.38% females; Germany 0.13% males, 0.09% females; France 0.39% males, 0.2% females; Portugal 0.2% males, 0.15% females; and Netherlands 0.6% males, 0.4% females., Conclusions: Mortality rates from COVID-19 during the first wave of the pandemic were low including when compared to other common causes of death and are likely to decline further while control measures are maintained, treatments improve and vaccination is instituted. These data may help people to contextualise their risk and for decision-making by policymakers., Competing Interests: None reported., (© 2021 The Author(s).)
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- 2021
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21. 'If relevant, yes; if not, no': General practitioner (GP) users and GP perceptions about asking ethnicity questions in Irish general practice: A qualitative analysis using Normalization Process Theory.
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Roura M, LeMaster JW, Hannigan A, Papyan A, McCarthy S, Nurse D, Villarroel N, and MacFarlane A
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- Attitude of Health Personnel ethnology, Clinical Competence, Data Collection ethics, Data Collection methods, Ethnicity classification, Family Practice ethics, Focus Groups methods, General Practice ethics, General Practitioners education, General Practitioners psychology, Humans, Ireland, Perception ethics, Qualitative Research, Referral and Consultation, Data Collection trends, Ethnicity statistics & numerical data
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Context: The use of ethnic identifiers in health systems is recommended in several European countries as a means to identify and address heath inequities. There are barriers to implementation that have not been researched., Objective: This study examines whether and how ethnicity data can be collected in Irish general practices in a meaningful and acceptable way., Methods: Qualitative case study data generation was informed by Normalization Process Theory (NPT) constructs about 'sense' making and 'engagement'. It consisted of individual interviews and focus group discussions based on visual participatory techniques. There were 70 informants, including 62 general practitioner (GP) users of diverse ethnic backgrounds recruited through community organisations and eight GPs identified through an inter-agency steering group. Data were analysed according to principles of thematic analysis using NPT., Results: The link between ethnicity and health was often considered relevant because GP users grasped connections with genetic (skin colour, lactose intolerance), geographic (prevalence of disease, early years exposure), behavioural (culture/food) and social determinant (housing) factors. The link was less clear with religion. There was some scepticism and questions about how the collection of data would benefit GP consultations and concerns regarding confidentiality and the actual uses of these data (e.g. risk of discrimination, social control). For GPs, the main theme discussed was relevance: what added value would it bring to their consultations and was it was their role to collect these data? Their biggest concern was about data protection issues in light of the European Union (EU) General Data Protection Regulation (GDPR). The difficulty in explaining a complex concept such as 'ethnicity' in the limited time available in consultations was also worrying., Conclusions: Implementation of an ethnicity identifier in Irish general practices will require a strong rationale that makes sense to GP users, and specific measures to ensure that its benefits outweigh any potential harm. This is in line with both our participants' views and the EU GDPR., Competing Interests: The authors have declared that no competing interests exist.
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- 2021
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22. Ethnicity recording in health and social care data collections in Ireland: where and how is it measured and what is it used for?
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Hannigan A, Villarroel N, Roura M, LeMaster J, Basogomba A, Bradley C, and MacFarlane A
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- Health Equity, Healthcare Disparities ethnology, Humans, Ireland, Data Collection methods, Data Collection statistics & numerical data, Ethnicity statistics & numerical data, Health Information Systems
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Background: In the European Union (EU), discrimination based on racial and ethnic origin is prohibited under the Racial Equality Directive. Ireland is one of only three EU countries where a legal duty of equality data collection is placed on public bodies. It provides an important context in which to study ethnic equality monitoring; however no systematic mapping of where it occurs in health information systems has been carried out. The aim of this study is to identify all existing national health and social care data collections with information on ethnicity and to explore how this data has been collected and used., Methods: An electronic search of a national catalogue of health and social care data collections (N = 97) was carried out to identify any collections which contained information on ethnicity. Data dictionaries were searched and key informants contacted. For each of the data collections that collected information on ethnicity, data was extracted on the ethnic categories used and how this data is collected; the completeness of ethnicity recording; and other measures related to ethnicity in the data collection. Relevant outputs for these data collections, related to ethnicity, were identified through key informants and electronic searches., Results: Of the 97 data collections, 14 (14%) collected information on ethnic or cultural background. Country of birth was collected by 10 of these 14 data collections. Most used the ethnic categories in the Census and recommended that ethnicity should be self-identified and not assigned. Reported rates of identification were generally high (≥90%). Data collections which recorded ethnicity tended to be focused on potentially high-risk populations with no routine recording in primary care. There were some examples of where ethnic equality monitoring had informed targeted interventions e.g. vaccination awareness initiatives or cultural training for healthcare staff., Conclusions: Despite strong policy and legal imperatives, there is limited data collection of ethnicity in health and social care data collections in Ireland. While there are some examples of where differences by ethnicity have been identified and acted upon, a more coordinated and comprehensive approach to the collection, quality and utilization of ethnicity data is needed to promote health equity.
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- 2019
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23. Heterogeneity/granularity in ethnicity classifications project: the need for refining assessment of health status.
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Villarroel N, Davidson E, Pereyra-Zamora P, Krasnik A, and Bhopal RS
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- Female, Health Behavior, Humans, Male, Data Collection standards, Ethnicity statistics & numerical data, European Union, Health Status
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Background: Identifying ethnic inequalities in health requires data with sufficiently 'granular' (fine detailed) classifications of ethnicity to capture sub-group variation in healthcare use, risk factors and health behaviors. The Robert Wood Johnson Foundation (RWJF), in the USA, commissioned us to explore granular approaches to ethnicity data collection outside of the USA, commencing with the European Union., Methods: We examined official data sources (population censuses/registers) within the EU-28 to determine the granularity of their approach to ethnicity. When ethnic information was not available, related variables were sought (e.g. country of birth)., Results: Within the EU-28, we found 55% of countries collected data on ethnicity. However, only 26% of these countries (England, Wales, Northern Ireland, Scotland, Republic of Ireland, Hungary, Poland and Slovakia) had a granular approach, with half of these being within the UK. Estonia, Lithuania, Croatia, Bulgaria, Republic of Cyprus and Slovenia collected one to six categories. A 'write-in' option only was found in Latvia, Romania and the Czech Republic. Forty-five percent of countries did not collect ethnicity data but collected other related variables., Conclusions: (i) Although there is reasonable attention to the diversity of ethnic groups in data collection, a granular approach does not predominate within EU-28 classifications. (ii) Where ethnicity is collected, it is conceptualized in different ways and diverse terminology is used. (iii) A write-in option provides the most granular approach. (iv) Almost half of the countries did not collect data on ethnicity, but did collect related variables that could be used as a proxy., (© The Author(s) 2018. Published by Oxford University Press on behalf of the European Public Health Association. All rights reserved.)
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- 2019
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24. Migrant health research in the Republic of Ireland: a scoping review.
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Villarroel N, Hannigan A, Severoni S, Puthoopparambil S, and MacFarlane A
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- Humans, Ireland, Biomedical Research, Transients and Migrants
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Background: Migration to European countries has increased in number and diversity in recent years. Factors such as access to healthcare, language barriers and legal status can impact the health outcomes of migrant groups. However, little is known about the evidence base on the health status of migrants in the Republic of Ireland. Our aim was to scope existing peer-reviewed research on the health of migrants in Ireland and identify any gaps in the evidence., Methods: We conducted a scoping review of peer-reviewed research on the health of migrants in the Republic of Ireland. Eleven electronic databases were searched for peer-reviewed, empirical articles published between 2001 and 2017. Search terms were adapted from a World Health Organisation review. Findings were analysed using the 2016 World Health Organisation Strategy and Action Plan for Refugee and Migrant Health in the World Health Organisation European region, which outlines nine strategic areas that require collaborative action., Results: Of 9396 articles retrieved, 80 met inclusion criteria, with the majority (81%) published since 2009. More than half of the studies had a quantitative design (65%). Migrants studied came from Eastern Europe, Asia and Africa and included labour migrants, refugees and asylum seekers. Most studies related to two World Health Organisation strategic areas; 4: "achieving public health preparedness and ensuring an effective response", and 5: "strengthening health systems and their resilience"., Conclusion: There is growing attention to migrant health in Ireland with a balance of qualitative and quantitative research. While much of the identified research is relevant to three of the World Health Organisation strategic areas, there are significant gaps in the other six areas. The study design could be replicated in other countries to examine and inform migrant health research.
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- 2019
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25. Ethnic Minority Health in Ireland-Co-creating knowledge (EMH-IC): a participatory health research protocol.
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Hannigan A, Basogomba A, LeMaster J, Nurse D, O'Reilly F, Roura M, Villarroel N, and MacFarlane A
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- Cooperative Behavior, Health Policy, Health Services Accessibility, Humans, Ireland, Language, Qualitative Research, Research Design, Community-Based Participatory Research, Cultural Competency organization & administration, Minority Health, Primary Health Care, Transients and Migrants
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Introduction: International policy recommends continuous, cost-effective monitoring of health data to enable health services to identify and respond to health inequities as experienced by different ethnic groups. However, there is a lack of routinely collected ethnicity data, particularly in primary care, and very little implementation research internationally to understand how ethnic identifiers are introduced, embedded and used in healthcare settings. This paper describes a protocol for a novel participatory health research project with the objective of building the evidence base on ethnic minority health in Ireland. Findings on the participatory appraisal of ethnic identifiers as an intervention to generate useful data about minority and majority ethnic groups will have relevance in other settings and countries., Methods and Analysis: This multidisciplinary project is designed as a participatory health research study where all stakeholders, including ethnic minority communities, participate in co-design of the research protocol, project governance, collaborative data interpretation and disseminating findings. A national catalogue of all routinely collected health data repositories will be electronically searched for any repositories that contain information on ethnicity. A secondary quantitative analysis of a population-representative cohort study, Growing Up in Ireland, will be carried out to compare the health of ethnic minority and majority groups. A qualitative case study informed by normalisation process theory will be carried out at three primary care sites to monitor the implementation of an ethnic identifier and identify barriers and levers to implementation., Ethics and Dissemination: Ethical approval for the qualitative case study has been granted by the Irish Council for General Practitioners (06/09/17). Permission to access data from Growing Up in Ireland has been granted by the Director General of the Central Statistics Office. Dissemination will be carried out at community events and academic conferences, in peer-reviewed journal publications, and through academic and healthcare provider networks., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2018. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
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- 2018
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26. Does Regional Lung Strain Correlate With Regional Inflammation in Acute Respiratory Distress Syndrome During Nonprotective Ventilation? An Experimental Porcine Study.
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Retamal J, Hurtado D, Villarroel N, Bruhn A, Bugedo G, Amato MBP, Costa ELV, Hedenstierna G, Larsson A, and Borges JB
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- Animals, Disease Models, Animal, Inflammation diagnostic imaging, Inflammation etiology, Inflammation physiopathology, Lung diagnostic imaging, Positron-Emission Tomography, Respiratory Distress Syndrome diagnostic imaging, Respiratory Distress Syndrome therapy, Swine, Tomography, X-Ray Computed, Ventilator-Induced Lung Injury diagnostic imaging, Ventilator-Induced Lung Injury physiopathology, Lung physiopathology, Respiration, Artificial adverse effects, Respiratory Distress Syndrome physiopathology
- Abstract
Objective: It is known that ventilator-induced lung injury causes increased pulmonary inflammation. It has been suggested that one of the underlying mechanisms may be strain. The aim of this study was to investigate whether lung regional strain correlates with regional inflammation in a porcine model of acute respiratory distress syndrome., Design: Retrospective analysis of CT images and positron emission tomography images using [F]fluoro-2-deoxy-D-glucose., Setting: University animal research laboratory., Subjects: Seven piglets subjected to experimental acute respiratory distress syndrome and five ventilated controls., Interventions: Acute respiratory distress syndrome was induced by repeated lung lavages, followed by 210 minutes of injurious mechanical ventilation using low positive end-expiratory pressures (mean, 4 cm H2O) and high inspiratory pressures (mean plateau pressure, 45 cm H2O). All animals were subsequently studied with CT scans acquired at end-expiration and end-inspiration, to obtain maps of volumetric strain (inspiratory volume - expiratory volume)/expiratory volume, and dynamic positron emission tomography imaging. Strain maps and positron emission tomography images were divided into 10 isogravitational horizontal regions-of-interest, from which spatial correlation was calculated for each animal., Measurements and Main Results: The acute respiratory distress syndrome model resulted in a decrease in respiratory system compliance (20.3 ± 3.4 to 14.0 ± 4.9 mL/cm H2O; p < 0.05) and oxygenation (PaO2/FIO2, 489 ± 80 to 92 ± 59; p < 0.05), whereas the control animals did not exhibit changes. In the acute respiratory distress syndrome group, strain maps showed a heterogeneous distribution with a greater concentration in the intermediate gravitational regions, which was similar to the distribution of [F]fluoro-2-deoxy-D-glucose uptake observed in the positron emission tomography images, resulting in a positive spatial correlation between both variables (median R = 0.71 [0.02-0.84]; p < 0.05 in five of seven animals), which was not observed in the control animals., Conclusion: In this porcine acute respiratory distress syndrome model, regional lung strain was spatially correlated with regional inflammation, supporting that strain is a relevant and prominent determinant of ventilator-induced lung injury.
- Published
- 2018
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27. Targeted Temperature Management Effectiveness in the Elderly: Insights from a Large Registry.
- Author
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Mader TJ, Westafer LM, Nathanson BH, Villarroel N, Coute RA, and McNally BF
- Subjects
- Aged, Aged, 80 and over, Body Temperature Regulation, Chi-Square Distribution, Clinical Decision-Making, Coma diagnosis, Coma mortality, Coma physiopathology, Electric Countershock, Female, Hospital Mortality, Humans, Hypothermia, Induced adverse effects, Hypothermia, Induced mortality, Logistic Models, Male, Multivariate Analysis, Neurologic Examination, Odds Ratio, Out-of-Hospital Cardiac Arrest diagnosis, Out-of-Hospital Cardiac Arrest mortality, Out-of-Hospital Cardiac Arrest physiopathology, Patient Selection, Principal Component Analysis, Recovery of Function, Registries, Resuscitation adverse effects, Resuscitation mortality, Retrospective Studies, Risk Factors, Time Factors, Treatment Outcome, Coma therapy, Hypothermia, Induced methods, Out-of-Hospital Cardiac Arrest therapy, Resuscitation methods
- Abstract
Targeted temperature management (TTM) is recommended for all comatose adult out-of-hospital cardiac arrest (OHCA) patients with shockable first documented rhythm. However, studies examining the use and benefits of TTM among patients aged 75 and older are lacking. Using the Cardiac Arrest Registry to Enhance Survival (CARES) dataset registry from 2013 to 2015. Study criteria included being 75 years of age or older, survival to hospital admission, and known in-hospital mortality and CPC (Cerebral Performance Categories Scale) Scores. The study outcomes were in-hospital mortality and poor neurologic outcomes (CPC Scores 3 or 4) at hospital discharge among survivors. Hierarchical logistic regression and propensity score matching were used for multivariable adjustment. Two thousand nine hundred eighty-two patients met study inclusion criteria. One thousand three hundred fifty-seven (45.5%) received TTM in the admitting hospital. Receipt of TTM was more likely among men, those with a shockable first documented rhythm, and those with their event witnessed. There was no significant association with TTM and in-hospital mortality among patients with ventricular fibrillation (odds ratio [OR] = 0.88; 95% confidence interval [CI] [0.62-1.25]), p = 0.487 within the cohort. However, patients with a nonshockable first rhythm receiving TTM had higher odds of in-hospital mortality (p < 0.001). Propensity score results showed a modest association with TTM and increased mortality (OR) = 1.22, 95% CI [1.01-1.47]; p = 0.036 and no association with poor neurologic outcome (OR = 1.18; 95% CI [0.82-1.69]; p = 0.379) in the elderly. TTM is often provided to OHCA patients over age 75 though the benefits, particularly among nonshockable first documented rhythm patients are unclear. A randomized trial is needed to definitively answer who among OHCA event survivors aged 75 and older should receive this treatment.
- Published
- 2017
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28. Immigration and Sleep Problems in a Southern European Country: Do Immigrants Get the Best Sleep?
- Author
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Villarroel N and Artazcoz L
- Subjects
- Adolescent, Adult, Argentina ethnology, Bolivia ethnology, Colombia ethnology, Cross-Sectional Studies, Ecuador ethnology, Female, Health Status, Health Surveys, Humans, Male, Middle Aged, Morocco ethnology, Peru ethnology, Prevalence, Romania ethnology, Sex Factors, Sleep Initiation and Maintenance Disorders epidemiology, Sleep Initiation and Maintenance Disorders physiopathology, Spain epidemiology, Young Adult, Emigrants and Immigrants, Sleep physiology, Sleep Initiation and Maintenance Disorders ethnology
- Abstract
This study analyzes the differences in the prevalence of insomnia symptoms and nonrestorative sleep (NRS) between people born in Spain and immigrants from 7 countries with most immigrants in Spain. Data come from the 2006 Spanish National Health Survey. The sample was composed of all individuals aged 16 to 64 years from Spain and the 7 countries with most immigrants in Spain (N = 22,224). In both sexes, people from Bolivia had a higher prevalence of insomnia symptoms and NRS. Conversely, people from Ecuador, Morocco, and Romania had less insomnia symptoms and NRS than Spanish-born participants. No differences were found between Spanish-born participants and Colombian, Peruvian, and Argentinian women. Poor living conditions in the country of origin and in the host country, discrimination, and culturally related lifestyles could be related to poorer sleep health among Bolivian men. Acculturation may explain the similar sleep health patterns noted between Spanish-born participants and long-term immigrants.
- Published
- 2017
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29. Spatial patterns and frequency distributions of regional deformation in the healthy human lung.
- Author
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Hurtado DE, Villarroel N, Andrade C, Retamal J, Bugedo G, and Bruhn A
- Subjects
- Humans, Imaging, Three-Dimensional, Respiration, Lung anatomy & histology, Lung diagnostic imaging, Respiratory Physiological Phenomena
- Abstract
Understanding regional deformation in the lung has long attracted the medical community, as parenchymal deformation plays a key role in respiratory physiology. Recent advances in image registration make it possible to noninvasively study regional deformation, showing that volumetric deformation in healthy lungs follows complex spatial patterns not necessarily shared by all subjects, and that deformation can be highly anisotropic. In this work, we systematically study the regional deformation in the lungs of eleven human subjects by means of in vivo image-based biomechanical analysis. Regional deformation is quantified in terms of 3D maps of the invariants of the right stretch tensor, which are related to regional changes in length, surface and volume. Based on the histograms of individual lungs, we show that log-normal distributions adequately represent the frequency distribution of deformation invariants in the lung, which naturally motivates the normalization of the invariant fields in terms of the log-normal score. Normalized maps of deformation invariants allow for a direct intersubject comparison, as they display spatial patterns of deformation in a range that is common to all subjects. For the population studied, we find that lungs in supine position display a marked gradient along the gravitational direction not only for volumetric but also for length and surface regional deformation, highlighting the role of gravity in the regional deformation of normal lungs under spontaneous breathing.
- Published
- 2017
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30. Different Patterns in Health Care Use Among Immigrants in Spain.
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Villarroel N and Artazcoz L
- Subjects
- Adolescent, Adult, Age Factors, Aged, Cross-Sectional Studies, Ethnicity, Female, Health Status, Health Surveys, Healthcare Disparities, Humans, Logistic Models, Male, Middle Aged, Multivariate Analysis, Sex Factors, Socioeconomic Factors, Spain, Young Adult, Emergency Medical Services statistics & numerical data, Emigrants and Immigrants statistics & numerical data, Health Services statistics & numerical data, Primary Health Care statistics & numerical data
- Abstract
This study aims to analyze the differences in the use of primary care (PC), hospital, and emergency services between people born in Spain and immigrants. Data were obtained from the 2006 Spanish National Health Survey. The sample was composed of individuals aged 16-64 years from Spain and the seven countries with most immigrants in Spain (n = 22,224). Hierarchical multiple logistic regression models were fitted. Romanian men were less likely to use health care at all levels compared to men from other countries. Women from Argentina, Bolivia and Ecuador reported a lower use of PC. Among women, there were no differences in emergency visits or hospitalizations between countries. Bolivian men reported more hospitalizations than Spanish men, whereas Argentinean men reported more emergency visits than their Spanish counterparts. In Spain, most immigrants made less than, or about the same use of health care services as the native Spanish population.
- Published
- 2016
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31. Improving the Accuracy of Registration-Based Biomechanical Analysis: A Finite Element Approach to Lung Regional Strain Quantification.
- Author
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Hurtado DE, Villarroel N, Retamal J, Bugedo G, and Bruhn A
- Subjects
- Adult, Algorithms, Biomechanical Phenomena, Finite Element Analysis, Humans, Male, Image Processing, Computer-Assisted methods, Lung diagnostic imaging, Respiratory Mechanics physiology, Tomography, X-Ray Computed methods
- Abstract
Tissue deformation plays an important role in lung physiology, as lung parenchyma largely deforms during spontaneous ventilation. However, excessive regional deformation may lead to lung injury, as observed in patients undergoing mechanical ventilation. Thus, the accurate estimation of regional strain has recently received great attention in the intensive care community. In this work, we assess the accuracy of regional strain maps computed from direct differentiation of B-Spline (BS) interpolations, a popular technique employed in non-rigid registration of lung computed tomography (CT) images. We show that, while BS-based registration methods give excellent results for the deformation transformation, the strain field directly computed from BS derivatives results in predictions that largely oscillate, thus introducing important errors that can even revert the sign of strain. To alleviate such spurious behavior, we present a novel finite-element (FE) method for the regional strain analysis of lung CT images. The method follows from a variational strain recovery formulation, and delivers a continuous approximation to the strain field in arbitrary domains. From analytical benchmarks, we show that the FE method results in errors that are a fraction of those found for the BS method, both in an average and pointwise sense. The application of the proposed FE method to human lung CT images results in 3D strain maps are heterogeneous and smooth, showing high consistency with specific ventilation maps reported in the literature. We envision that the proposed FE method will considerably improve the accuracy of image-based biomechanical analysis, making it reliable enough for routine medical applications.
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- 2016
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32. Health inequality between immigrants and natives in Spain: the loss of the healthy immigrant effect in times of economic crisis.
- Author
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Gotsens M, Malmusi D, Villarroel N, Vives-Cases C, Garcia-Subirats I, Hernando C, and Borrell C
- Subjects
- Adolescent, Cross-Sectional Studies, Female, Health Status Disparities, Health Surveys, Humans, Male, Middle Aged, Self Report, Sex Factors, Socioeconomic Factors, Spain epidemiology, Time Factors, Young Adult, Activities of Daily Living, Emigrants and Immigrants statistics & numerical data, Health Status, Mental Health ethnology, Substance-Related Disorders ethnology
- Abstract
Background: The immigrant population living in Spain grew exponentially in the early 2000s but has been particularly affected by the economic crisis. This study aims to analyse health inequalities between immigrants born in middle- or low-income countries and natives in Spain, in 2006 and 2012, taking into account gender, year of arrival and socioeconomic exposures., Methods: Study of trends using two cross-sections, the 2006 and 2012 editions of the Spanish National Health Survey, including residents in Spain aged 15-64 years (20 810 natives and 2950 immigrants in 2006, 14 291 natives and 2448 immigrants in 2012). Fair/poor self-rated health, poor mental health (GHQ-12 > 2), chronic activity limitation and use of psychotropic drugs were compared between natives and immigrants who arrived in Spain before 2006, adjusting robust Poisson regression models for age and socioeconomic variables to obtain prevalence ratios (PR) and 95% confidence interval (CI)., Results: Inequalities in poor self-rated health between immigrants and natives tend to increase among women (age-adjusted PR2006 = 1.39; 95% CI: 1.24-1.56, PR2012 = 1.56; 95% CI: 1.33-1.82). Among men, there is a new onset of inequalities in poor mental health (PR2006 = 1.10; 95% CI: 0.86-1.40, PR2012 = 1.34; 95% CI: 1.06-1.69) and an equalization of the previously lower use of psychotropic drugs (PR2006 = 0.22; 95% CI: 0.11-0.43, PR2012 = 1.20; 95% CI: 0.73-2.01)., Conclusions: Between 2006 and 2012, immigrants who arrived in Spain before 2006 appeared to worsen their health status when compared with natives. The loss of the healthy immigrant effect in the context of a worse impact of the economic crisis on immigrants appears as potential explanation. Employment, social protection and re-universalization of healthcare would prevent further deterioration of immigrants' health status., (© The Author 2015. Published by Oxford University Press on behalf of the European Public Health Association. All rights reserved.)
- Published
- 2015
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33. Magnetic biocatalysts and their uses to obtain biodiesel and biosurfactants.
- Author
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López C, Cruz-Izquierdo A, Picó EA, García-Bárcena T, Villarroel N, Llama MJ, and Serra JL
- Abstract
Nanobiocatalysis, as the synergistic combination of nanotechnology and biocatalysis, is rapidly emerging as a new frontier of biotechnology. The use of immobilized enzymes in industrial applications often presents advantages over their soluble counterparts, mainly in view of stability, reusability and simpler operational processing. Because of their singular properties, such as biocompatibility, large and modifiable surface and easy recovery, iron oxide magnetic nanoparticles (MNPs) are attractive super-paramagnetic materials that serve as a support for enzyme immobilization and facilitate separations by applying an external magnetic field. Cross-linked enzyme aggregates (CLEAs) have several benefits in the context of industrial applications since they can be cheaply and easily prepared from unpurified enzyme extracts and show improved storage and operational stability against denaturation by heat and organic solvents. In this work, by using the aforementioned advantages of MNPs of magnetite and CLEAs, we prepared two robust magnetically-separable types of nanobiocatalysts by binding either soluble enzyme onto the surface of MNPs functionalized with amino groups or by cross-linking aggregates of enzyme among them and to MNPs to obtain magnetic CLEAs. For this purpose the lipase B of Candida antarctica (CALB) was used. The hydrolytic and biosynthetic activities of the resulting magnetic nanobiocatalysts were assessed in aqueous and organic media. Thus, the hydrolysis of triglycerides and the transesterification reactions to synthesize biodiesel and biosurfactants were studied using magnetic CLEAs of CALB. The efficiency and easy performance of this magnetic biocatalysis validates this proof of concept and sets the basis for the application of magnetic CLEAs at industrial scale.
- Published
- 2014
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34. Heterogeneous patterns of health status among immigrants in Spain.
- Author
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Villarroel N and Artazcoz L
- Subjects
- Adult, Argentina ethnology, Bolivia ethnology, Colombia ethnology, Cross-Sectional Studies, Ecuador ethnology, Female, Health Surveys, Humans, Male, Middle Aged, Morocco ethnology, Peru ethnology, Romania ethnology, Sex Factors, Socioeconomic Factors, Spain epidemiology, Young Adult, Emigrants and Immigrants statistics & numerical data, Health Status
- Abstract
Objectives: (1) To analyse differences in the self-perceived health and mental health status between the Spanish population and immigrants from the seven leading countries in terms of number of immigrants; (2) to examine whether differences are accounted for by socio-economic characteristics, and (3) to determine whether the patterns of associations differ by gender., Methods: Data come from the 2006 Spanish National Health Survey. The sample was composed of all 20-64 year old Spaniards and immigrants from the seven countries with most immigrants in Spain (Argentina, Bolivia, Colombia, Ecuador, Peru, Romania and Morocco) [n=20,731]., Results: In both sexes, people from Bolivia had poorer health outcomes, above all Bolivian males. Conversely, people from Argentina and Colombia had the best health outcomes. For the rest of the countries varied results depending on gender, country and health indicator were found., Conclusions: Differences in health status between people born in Spain and foreign-born people depend on relationships between country of birth, characteristics of the migration process, gender, ethnicity and the health outcome analyzed., (Copyright © 2012 Elsevier Ltd. All rights reserved.)
- Published
- 2012
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35. Self-efficacy change as a mediator of associations between therapeutic bond and one-year outcomes in treatments for alcohol dependence.
- Author
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Hartzler B, Witkiewitz K, Villarroel N, and Donovan D
- Subjects
- Acamprosate, Adolescent, Adult, Aged, Aged, 80 and over, Alcohol Deterrents therapeutic use, Alcoholism psychology, Combined Modality Therapy, Female, Humans, Male, Middle Aged, Naltrexone therapeutic use, Narcotic Antagonists therapeutic use, Taurine analogs & derivatives, Taurine therapeutic use, Treatment Outcome, Alcoholism therapy, Behavior Therapy, Professional-Patient Relations, Self Efficacy
- Abstract
Empirically-supported treatments for alcohol dependence exist, yet understanding of influences contributing to the intended behavior change is limited. The current study, a secondary analysis of the recent multisite COMBINE trial (The COMBINE Study Research Group, 2003), tested a mediational model wherein change in client self-efficacy for abstinence was examined as a potential mediator of associations between client report of the therapeutic bond and one-year outcomes of drinking frequency, drinking consequences, and psychiatric functioning. For analyses, the 1383 COMBINE trial participants were grouped as follows: 1) those receiving study medications (naltrexone, acamprosate, naltrexone + acamprosate, placebo) and enrolled in medication management (MM) only (n = 607), 2) those receiving study medications/MM and also enrolled in a combination behavioral intervention (CBI) as well (n = 619), and 3) those enrolled in CBI only (n = 157). Mediation analyses using the product-of-coefficients approach indicated self-efficacy change during treatment significantly mediated associations between the therapeutic bond with the CBI therapist and each of the three one-year outcomes among those exclusively receiving CBI, but failed to do so among those receiving pills/MM (with or without CBI). Effect sizes were small, but indicated that variance in bond-outcome associations was partially mediated by self-efficacy change for trial participants. Findings advance understanding of proximal client change processes during delivery of treatments for alcohol dependence., (PsycINFO Database Record (c) 2011 APA, all rights reserved).)
- Published
- 2011
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36. [Second-hand smoke exposure in hospitality venues in Barcelona: measurement of respirable particles].
- Author
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Villarroel N, López MJ, Sánchez-Martínez F, Fernández E, and Nebot M
- Subjects
- Air Pollution, Indoor legislation & jurisprudence, Air Pollution, Indoor statistics & numerical data, Cross-Sectional Studies, Humans, Nephelometry and Turbidimetry, Particle Size, Particulate Matter standards, Random Allocation, Restaurants classification, Restaurants legislation & jurisprudence, Sampling Studies, Spain epidemiology, Tobacco Smoke Pollution legislation & jurisprudence, Urban Health, Air Pollution, Indoor analysis, Particulate Matter analysis, Restaurants statistics & numerical data, Tobacco Smoke Pollution statistics & numerical data
- Abstract
Objectives: To quantify the concentration of respirable particles equal to or smaller than 2.5μm (PM(2.5)) as a marker of second-hand smoke (SHS) exposure in a sample of hospitality venues in Barcelona 2 years after the Spanish smoking law came into effect., Methods: We performed a cross-sectional descriptive study from October to December 2007. The study population consisted of 40 hospitality venues in Barcelona selected by a random route sampling, with representation of the different types of smoking regulation included in the law (smoking allowed, smoking ban and venues with smoking areas). SHS levels were quantified by measuring PM(2.5) concentrations, which were measured using a laser photometer (Side Pack AM 510 Personal Aerosol Monitor). The measurements were carried out for 5 minutes outside the venue and for 30 minutes inside the venue. In addition, observational variables related to the characteristics of the venue and signs of tobacco consumption were recorded., Results: The concentration of PM(2.5) in venues where smoking was still allowed was five times higher than that in venues where smoking was banned (182μg/m(3) and 34μg/m(3), respectively) and exceeded the concentration established by the US Environmental Protection Agency (EPA) as harmful (35μg/m(3)). However, in venues where smoking was banned, the concentration was lower than the EPA standard and there were no significant differences with the outdoor PM(2.5) concentration., Conclusions: Two years after the introduction of the Spanish smoking law, SHS exposure in venues where smoking was allowed was q still very high, representing a significant health risk for hospitality workers., (Copyright © 2010 SESPAS. Published by Elsevier Espana. All rights reserved.)
- Published
- 2011
- Full Text
- View/download PDF
37. Expanded and highly active proliferation centers identify a histological subtype of chronic lymphocytic leukemia ("accelerated" chronic lymphocytic leukemia) with aggressive clinical behavior.
- Author
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Giné E, Martinez A, Villamor N, López-Guillermo A, Camos M, Martinez D, Esteve J, Calvo X, Muntañola A, Abrisqueta P, Rozman M, Rozman C, Bosch F, Campo E, and Montserrat E
- Subjects
- Adult, Aged, Aged, 80 and over, Biopsy, Female, Humans, Leukemia, Lymphocytic, Chronic, B-Cell diagnosis, Male, Middle Aged, Prognosis, Young Adult, ZAP-70 Protein-Tyrosine Kinase analysis, Cell Proliferation, Leukemia, Lymphocytic, Chronic, B-Cell pathology, Lymph Nodes pathology
- Abstract
Background: The concept of "accelerated" chronic lymphocytic leukemia is frequently used by both pathologists and clinicians. However, neither histological criteria to define this form of chronic lymphocytic leukemia nor its clinical correlates and prognostic impact have been formally defined in large series of patients., Design and Methods: Tissue biopsies from 100 patients with chronic lymphocytic leukemia were analyzed for the size of proliferation centers and their proliferation rate as assessed by mitosis count and Ki-67 immunostaining. Histological patterns were correlated with main clinico-biological features and outcome., Results: A suspicion of disease transformation was the main reason for carrying out tissue biopsy, which was performed at a median time of 14 months (range, 0 to 204 months) after the diagnosis of chronic lymphocytic leukemia. The biopsy showed histological transformation to diffuse large B-cell lymphoma in 22 cases. In the remaining 78 patients, the presence of expanded proliferation centers (broader than a 20x field) and high proliferation rate (either >2.4 mitoses/proliferation center or Ki-67 >40%/proliferation center) predicted a poor outcome and were selected to define a highly proliferative group. Thus, 23 patients with either expanded proliferation centers or high proliferation rate were considered as having "accelerated" chronic lymphocytic leukemia. These patients displayed particular features, including higher serum lactate dehydrogenase levels and more frequently elevated ZAP-70 than "non-accelerated" cases. The median survival from biopsy of patients with "non-accelerated" chronic lymphocytic leukemia, "accelerated" chronic lymphocytic leukemia and transformation to diffuse large B-cell leukemia was 76, 34, and 4.3 months, respectively (P<0.001)., Conclusions: The presence of expanded and/or highly active proliferation centers identifies a group of patients with "accelerated" chronic lymphocytic leukemia characterized by an aggressive clinical behavior.
- Published
- 2010
- Full Text
- View/download PDF
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