Iván Dueñas-Espín

ORCID: 0000-0002-6639-727X
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About
Contact & Profiles
Research Areas
  • Chronic Disease Management Strategies
  • Child Nutrition and Water Access
  • Maternal and Neonatal Healthcare
  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Frailty in Older Adults
  • Global Maternal and Child Health
  • Breastfeeding Practices and Influences
  • Neonatal Respiratory Health Research
  • COVID-19 and Mental Health
  • Child Nutrition and Feeding Issues
  • Medical Coding and Health Information
  • Healthcare Systems and Reforms
  • Vitamin D Research Studies
  • COVID-19 Pandemic Impacts
  • Obesity, Physical Activity, Diet
  • Vitamin C and Antioxidants Research
  • Cardiovascular Health and Risk Factors
  • Down syndrome and intellectual disability research
  • Sexual Differentiation and Disorders
  • Adrenal Hormones and Disorders
  • Health Systems, Economic Evaluations, Quality of Life
  • Health disparities and outcomes
  • Healthcare Systems and Public Health
  • Global Public Health Policies and Epidemiology
  • Hormonal and reproductive studies

Pontificia Universidad Católica del Ecuador
2019-2024

Universidad Peruana Cayetano Heredia
2024

Universitat de Barcelona
2016-2017

Hospital Clínic de Barcelona
2016-2017

Consorci Institut D'Investigacions Biomediques August Pi I Sunyer
2015-2017

Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública
2016

Universitat Pompeu Fabra
2014-2016

Centro de Investigación Biomédica en Red de Enfermedades Respiratorias
2016

Center for Research in Environmental Epidemiology
2016

Hospital del Mar Research Institute
2016

Objectives Population-based health risk assessment and stratification are considered highly relevant for large-scale implementation of integrated care by facilitating services design case identification. The principal objective the study was to analyse five health-risk strategies indicators used in regions participating Advancing Care Coordination Telehealth Deployment (ACT) programme ( http://www.act-programme.eu ). second purpose elaborate on toward enhanced predictive modelling clinical...

10.1136/bmjopen-2015-010301 article EN cc-by-nc BMJ Open 2016-04-01

Depression symptoms reduce physical activity in COPD patients: a prospective multicenter study Iván Dueñas-Espín,1–5 Heleen Demeyer,6 Elena Gimeno-Santos,1–3 Michael I Polkey,7 Nicholas S Hopkinson,7 Roberto A Rabinovich,8 Fabienne Dobbels,9 Niklas Karlsson,10 Thierry Troosters,6,11 Judith Garcia-Aymerich1–3 On behalf of the PROactive Consortium 1ISGlobal, Centre for Research Environmental Epidemiology (CREAL), 2Universitat Pompeu Fabra (UPF), 3CIBEREpidemiología y Salud Pública (CIBERESP),...

10.2147/copd.s101459 article EN cc-by-nc International Journal of COPD 2016-06-01

The recent prospect of pharmaceutical interventions for cognitive impairment Down syndrome(DS) has boosted a number clinical trials in this population. However, running the raised some methodological challenges and questioned prevailing methodology used to evaluate functioning DS individuals. This is usually achieved by comparing individuals matched healthy controls same mental age. We propose new tool, TESDAD Battery that uses comparison with age-matched typically developed adults. an...

10.3389/fpsyg.2015.00708 article EN cc-by Frontiers in Psychology 2015-06-04

Despite concerted efforts in South America, these diseases continue to pose a significant burden of morbidity and mortality endemic regions. This study aimed analyse hospital data investigate the hospitalisation rates dengue fever, leishmaniasis, malaria Ecuador between 2015 2022. Open-access databases from National Institute Statistics Censuses 2022 were analysed. Data filtered using specific terms for each disease (ICD-10), descriptive statistics geographical distributions calculated...

10.1016/j.nmni.2024.101421 article EN cc-by-nc-nd New Microbes and New Infections 2024-05-11

To examine the associations of sociodemographic, socioeconomic, and behavioral factors with depression, anxiety, self-reported health status during COVID-19 lockdown in Ecuador. We also assessed differences these between women men.We conducted a cross-sectional survey July to October 2020 adults who were living Ecuador March 2020. All data collected through an online survey. ran descriptive bivariate analyses fitted sex-stratified multivariate logistic regression models assess association...

10.1371/journal.pone.0275698 article EN cc-by PLoS ONE 2023-03-08

Background During the 1990s, global eating habits changed, affecting poorer and middle-income nations, as well richer countries. This shift, known "obesity transition," led to more people becoming overweight or obese worldwide. In Ecuador, this change is happening, now, one in three children affected by obesity (OW/OB). study explores links between social, economic, demographic factors childhood seeking provide insights for shaping future health policies response intricate shift. Methods A...

10.1371/journal.pone.0296538 article EN cc-by PLoS ONE 2024-04-05

The current study aims to demonstrate independent associations between social, educational and health practice interventions as determinants of exclusive breastfeeding in an urban Ecuadorian population.Prospective survival analyses.Ecuadorian mother-child dyads settings.We followed-up 363 mother-baby who attended healthcare centres Portoviejo, province Manabi, for a median time (P25-P75) 125 days (121-130 days).We performed analysis, by setting the time-to-abandonment measured life, that is,...

10.1136/bmjopen-2020-041625 article EN cc-by-nc BMJ Open 2021-03-01

Congenital adrenal hyperplasia (CAH) is a group of rare orphan disorders caused by mutations in seven different enzymes that impair cortisol biosynthesis. The 17α-hydroxylase deficiency (17OHD) one the less common forms CAH, corresponding to approximately 1% cases, with an estimated annual incidence 1 50,000 newborns. Cases description - two phenotypically female Ecuadorian sisters, both primary amenorrhea, absence secondary sexual characteristics, and osteoporosis. High blood pressure was...

10.1080/09513590.2019.1650342 article EN cc-by-nc-nd Gynecological Endocrinology 2019-08-29

Background: Health risk assessment and stratification have proven highly relevant for large-scale implementation of integrated care by facilitating services design case identification.Aim: The principal objective was to analyse five health-risk strategies used in the regions participating Advancing Care Coordination TeleHealth Deployment (ACT) program (www.act-programme.eu): Scotland (UK), Basque Country (ES), Catalonia Lombardy (I) Groningen (NL). A second aim explore potential...

10.5334/ijic.2870 article EN cc-by International Journal of Integrated Care 2016-12-16

Objectives To identify differences in the mean vitamin D concentrations samples obtained from a private laboratory Quito and to explore their relationship with pre-pandemic pandemic periods spanning 2018 2022. Design A combination of an interrupted time series design retrospective cross-sectional approach. Setting participants The study involved 9285 who had 25-hydroxyvitamin (25(OH)D) levels tested at well-known Quito, Ecuador, Primary secondary outcome measures 25(OH)D were analysed...

10.1136/bmjopen-2023-079960 article EN cc-by-nc-nd BMJ Open 2024-04-01

<title>Abstract</title> <bold>Background:</bold> Breast milk is the optimal food for humans, however, many mothers encounter difficulties sustaining exclusive breastfeeding (EBF). Prenatal education (PE) has been suggested as a potential strategy to promote EBF. There remains gap in understanding how PE influences EBF duration. <bold>Methods: </bold>This prospective cohort study aimed evaluate effect of on continuation among who gave birth private and public hospitals Quito, Ecuador. A total...

10.21203/rs.3.rs-4493713/v1 preprint EN cc-by Research Square (Research Square) 2024-06-13

Abstract Objectives to identify differences in mean vitamin D concentrations samples obtained from a private laboratory the city of Quito, and explore their relationship with pre-pandemic pandemic periods spanning 2018 2022. Design A combination an interrupted time series design retrospective cross-sectional approach Setting participants The study involved 9,285 who had 25-hydroxyvitamin (25(OH)D) levels tested at well-known Ecuador, Primary secondary outcome measures: 25(OH)D were analyzed...

10.1101/2023.09.08.23295127 preprint EN cc-by-nd medRxiv (Cold Spring Harbor Laboratory) 2023-09-11

Background: Predictive risk modeling elaborated from large population-based datasets using citizens traits, including historical information on use of healthcare resources, as potential predictors have shown to be useful mainly for two purposes: (i) design health policies, with a preventive approach, in given geographical area; and, (ii) identify individuals high presenting undesirable events (case finding) such hospital admissions, functional decline and/or death. The ACT (Advancing Care...

10.5334/ijic.2121 article EN cc-by International Journal of Integrated Care 2015-05-27

Congenital adrenal hyperplasia (CAH) is a group of rare orphan disorders, caused by mutations in seven different enzymes that impair cortisol biosynthesis. The 17α-hydroxylase deficiency (17OHD) one the less common forms CAH, corresponding to approximately 1% cases, with an estimated annual incidence 1 50 000 newborns. Two phenotypically female Ecuadorian sisters, both primary amenorrhea, absence secondary sexual characteristics, and osteoporosis. High blood pressure was present older...

10.3390/mol2net-05-06245 article EN cc-by Proceedings of MOL2NET 2018, International Conference on Multidisciplinary Sciences, 4th edition 2019-08-01

We hypothesize that high altitudes could have an adverse effect on neonatal health outcomes, especially among at-risk neonates. The current study aims to assess the association between higher survival time

10.1371/journal.pone.0253413 article EN cc-by PLoS ONE 2021-07-14

Introduction: Up to 80% of deaths related chronic diseases (CDs) occur in low-middle income countries. Ecuadorian social security implemented a new policy for improving health care patients by two main strategies: (i) adopting the frame renewed primary World Health Organization; and (ii) massive contracting family physicians into their centres. In order improve homebound assigned our healthcare center – insured system –, as an answer mentioned change institutional policies, we Integrated...

10.5334/ijic.2367 article EN cc-by International Journal of Integrated Care 2015-11-17

Objective To develop and validate a scoring system to predict mortality among hospitalized patients with COVID-19. Methods Retrospective cohort study. We analyzed 5,062 COVID-19 treated at two hospitals; one each in Quito Guayaquil, from February July 2020. assessed predictors of using survival analyses Cox models. randomly divided the database into sets: (i) derivation (n = 2497) identify mortality, (ii) validation 2565) test discriminative ability system. After multivariate analyses, we...

10.1371/journal.pone.0288106 article EN cc-by PLoS ONE 2023-07-17

Introducción. Durante la pandemia por COVID-19, varios países iniciaron confinamiento debido a propagación viral en población, con varias consecuencias mentales esta medida. Objetivo. Determinar los niveles de ansiedad y depresión el personal salud población general durante primeros quince días del COVID-19 Ecuador. Metodología. Se realizó un estudio transversal analítico. El 10 mayo 2020 (quince COVID-19), se aplicaron encuestas base cuestionarios validados BAI BECK, previo consentimiento...

10.31790/inspilip.v7i23.463 article ES cc-by-nc-nd Revista Ecuatoriana de Ciencia Tecnología e Innovación en Salud Pública 2023-09-22
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