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Solorzano-Barrera C, Rodriguez-Patarroyo M, Tórres-Quintero A, Guzman-Tordecilla DN, Franco-Rodriguez AN, Maniar V, Shrestha P, Vecino-Ortiz AI, Pariyo GW, Gibson DG, Ali J. Recruiting hard-to-reach populations via respondent driven sampling for mobile phone surveys in Colombia: a qualitative study. Glob Health Action 2024; 17:2297886. [PMID: 38205794 PMCID: PMC10786427 DOI: 10.1080/16549716.2023.2297886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
BACKGROUND Uptake of mobile phone surveys (MPS) is increasing in many low- and middle-income countries, particularly within the context of data collection on non-communicable diseases (NCDs) behavioural risk factors. One barrier to collecting representative data through MPS is capturing data from older participants.Respondent driven sampling (RDS) consists of chain-referral strategies where existing study subjects recruit follow-up participants purposively based on predefined eligibility criteria. Adapting RDS strategies to MPS efforts could, theoretically, yield higher rates of participation for that age group. OBJECTIVE To investigate factors that influence the perceived acceptability of a RDS recruitment method for MPS involving people over 45 years of age living in Colombia. METHODS An MPS recruitment strategy deploying RDS techniques was piloted to increase participation of older populations. We conducted a qualitative study that drew from surveys with open and closed-ended items, semi-structured interviews for feedback, and focus group discussions to explore perceptions of the strategy and barriers to its application amongst MPS participants. RESULTS The strategy's success is affected by factors such as cultural adaptation, institutional credibility and public trust, data protection, and challenges with mobile phone technology. These factors are relevant to individuals' willingness to facilitate RDS efforts targeting hard-to-reach people. Recruitment strategies are valuable in part because hard-to-reach populations are often most accessible through their contacts within their social network who can serve as trust liaisons and drive engagement. CONCLUSIONS These findings may inform future studies where similar interventions are being considered to improve access to mobile phone-based data collection amongst hard-to-reach groups.
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Affiliation(s)
| | | | | | - Deivis Nicolas Guzman-Tordecilla
- Institute of Public Health, Pontificia Universidad Javeriana, Bogota, Colombia
- Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | | | - Vidhi Maniar
- Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Prakriti Shrestha
- Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Andrés I Vecino-Ortiz
- Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - George W Pariyo
- Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Dustin G Gibson
- Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Joseph Ali
- Berman Institute of Bioethics, Johns Hopkins University, Baltimore, MD, USA
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Vasseur L, Andrade A. Using the Red List of Ecosystems and the Nature-based Solutions Global Standard as an integrated process for climate change adaptation in the Andean high mountains. Philos Trans R Soc Lond B Biol Sci 2024; 379:20220326. [PMID: 38643787 PMCID: PMC11033055 DOI: 10.1098/rstb.2022.0326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 09/21/2023] [Indexed: 04/23/2024] Open
Abstract
Under anthropogenic pressures and climate change, most ecosystems are showing signs of reduced resilience. Unfortunately, some are more at risk of collapse and, without interventions, they may lose biodiversity, ecological integrity and ecosystem services. Here, we describe two tools that were developed under the auspices of the International Union for Conservation of Nature, the Red List of Ecosystems and the Nature-based Solutions Global Standard, and their capacity to first identify the ecosystems at risk of collapse in a nation and then develop solutions based on nature to improve their resilience. Nature-based solutions include, for example ecosystem-based adaptation, where solutions are developed to meet the needs of the local people while protecting nature to ensure greater resilience of the social-ecological system, not only the natural ecosystem. We discuss through a case study in the Andean high mountains and páramo social-ecological system how these approaches have been used in Colombia. We then discuss lessons learned and challenges that may reduce the capacity of a community to initiate such interventions, such as national policies and funding restrictions. We also discuss through another early case in Ecuador the importance to adapt these types of interventions to the geographical and cultural context of the social-ecological systems. This article is part of the theme issue 'Bringing nature into decision-making'.
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Affiliation(s)
- L. Vasseur
- UNESCO Chair on Community Sustainability: from Local to Global, Department of Biological Sciences, Brock University, 1812 Sir Isaac Brock Way, St Catharines, ON, Canada L2S 3A1
- Commission on Ecosystem Management, International Union for the Conservation of Nature, 28 Rue Mauverney, 1196 Gland, Switzerland
| | - A. Andrade
- Conservation International-Colombia, Carrera 13 no. 71–41, Bogotá, Colombia 110221
- Commission on Ecosystem Management, International Union for the Conservation of Nature, 28 Rue Mauverney, 1196 Gland, Switzerland
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Molina-Hoyos K, Montoya-Ruíz C, Aguilar PV, Pérez-Doria A, Díaz FJ, Rodas JD. Virome analyses of Amblyomma cajennense and Rhipicephalus microplus ticks collected in Colombia. Acta Trop 2024; 253:107158. [PMID: 38402921 DOI: 10.1016/j.actatropica.2024.107158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/31/2024] [Accepted: 02/22/2024] [Indexed: 02/27/2024]
Abstract
Tick-borne viruses (TBV) have gained public health relevance in recent years due to the recognition of human-associated fatal cases and the increase in tick-borne disease and transmission. However, many tick species have not been studied for their potential to transmit pathogenic viruses, especially those found in Latin America. To gain better understanding of the tick virome, we conducted targeted amplification using broadly-reactive consensus-degenerate pan-viral targeting viruses from the genera Flavivirus, Bandavirus, Uukuvirus, and Orthonairovirus genus. Additionally, we conducted unbiased metagenomic analyses to investigate the presence of viral RNA sequences in Amblyomma cajennense, A. patinoi and Rhipicephalus microplus ticks collected from a horse slaughter plant in Medellín, Colombia. While no viral products were detected by PCR, results of the metagenomic analyses revealed the presence of viral genomes belonging to the genera Phlebovirus, Bandavirus, and Uukuvirus, including Lihan Tick Virus (LTV), which was previously reported in Rhipicephalus microplus from Colombia. Overall, the results emphasized the enormous utility of the next-generation sequencing in identifying virus genetic diversity presents in ticks and other species of vectors and reservoirs.
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Affiliation(s)
- Katterine Molina-Hoyos
- Grupo de Investigación en Ciencias Veterinarias Centauro, Universidad de Antioquia, Medellín, Colombia
| | - Carolina Montoya-Ruíz
- Grupo de investigación en Biotecnología Animal, Global Health Institute One-Health Colombia, Universidad Nacional de Colombia sede Medellín, Colombia.
| | - Patricia V Aguilar
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, United States
| | | | - Francisco J Díaz
- Grupo Inmunovirología, Universidad de Antioquia, Medellín, Colombia
| | - Juan D Rodas
- Grupo de Investigación en Ciencias Veterinarias Centauro, Universidad de Antioquia, Medellín, Colombia
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Hernández F, Ibáñez M, Portoles T, Hidalgo-Troya A, Ramírez JD, Paredes MA, Hidalgo AF, García AM, Galeano LA. High resolution mass spectrometry-based screening for the comprehensive investigation of organic micropollutants in surface water and wastewater from Pasto city, Colombian Andean highlands. Sci Total Environ 2024; 922:171293. [PMID: 38417505 DOI: 10.1016/j.scitotenv.2024.171293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 02/05/2024] [Accepted: 02/25/2024] [Indexed: 03/01/2024]
Abstract
The complexity of the aquatic environment scenario, including the impact of urban wastewater, together with the huge number of potential hazardous compounds that may be present in waters, makes the comprehensive characterization of the samples an analytical challenge, particularly in relation to the presence of organic micropollutants (OMPs). Nowadays, the potential of high-resolution mass spectrometry (HRMS) for wide-scope screening in environmental samples is out of question. Considering the physicochemical characteristics of OMPs, the coupling of liquid (LC) and gas chromatography (GC) to HRMS is mandatory. In this work, we have explored the combined use of LC and GC coupled to Quadrupole-Time-of-Flight Mass Spectrometry (QTOF MS) for screening of surface water and wastewater samples from Pasto (Nariño), a town of the Colombian Andean highlands (average altitude 2527 m), located in an important agricultural area. The upper basin of the Pasto River is impacted by phytosanitary products used in different crops, whereas the domestic wastewater is directly discharged into the river without any treatment, enhancing the anthropogenic impact on the water quality. The OMP searching was made by target (standards available) and suspect (without standards) approaches, using home-made databases containing >2000 compounds. Up to 15 pesticides (7 insecticides, 6 fungicides and 2 herbicides) were identified in the sampling point of the Pasto River up to the town, while no pharmaceuticals were found at this site, illustrating the impact of agriculture practices. On the contrary, 14 pharmaceuticals (7 antibiotics and 3 analgesics, among others) were found in river samples collected in the middle and down to the town sites, revealing the impact of the urban population. Interestingly, some transformation products, including metabolites, such as carbofuran-3-hydroxy and 4-acetylamino antipyrine were identified in the screening. Based on these data, future monitoring will apply target quantitative LC-MS/MS methods for the most relevant compounds identified.
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Affiliation(s)
- Félix Hernández
- Environmental and Public Health Analytical Chemistry, Research Institute for Pesticides and Water (IUPA), University Jaume I, Castellón, Spain.
| | - María Ibáñez
- Environmental and Public Health Analytical Chemistry, Research Institute for Pesticides and Water (IUPA), University Jaume I, Castellón, Spain
| | - Tania Portoles
- Environmental and Public Health Analytical Chemistry, Research Institute for Pesticides and Water (IUPA), University Jaume I, Castellón, Spain
| | - Arsenio Hidalgo-Troya
- Grupo de Investigación Salud Pública, Universidad de Nariño, Pasto 520002, Nariño, Colombia
| | - Juan David Ramírez
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá 110221, Colombia; Molecular Microbiology Laboratory, Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Manuela Alejandra Paredes
- Grupo de Investigación en Materiales Funcionales y Catálisis (GIMFC), Universidad de Nariño, Pasto 520002, Nariño, Colombia
| | - Andrés Fernando Hidalgo
- Grupo de Investigación en Materiales Funcionales y Catálisis (GIMFC), Universidad de Nariño, Pasto 520002, Nariño, Colombia
| | - Ana María García
- Grupo de Investigación en Materiales Funcionales y Catálisis (GIMFC), Universidad de Nariño, Pasto 520002, Nariño, Colombia
| | - Luis Alejandro Galeano
- Grupo de Investigación en Materiales Funcionales y Catálisis (GIMFC), Universidad de Nariño, Pasto 520002, Nariño, Colombia.
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Ochoa-Aristizábal AM, Márquez EJ. Genetic insights into Cyphocharax magdalenae (Characiformes: Curimatidae): Microsatellite loci development and population analysis in the Cauca River, Colombia. PLoS One 2024; 19:e0302273. [PMID: 38625982 PMCID: PMC11020439 DOI: 10.1371/journal.pone.0302273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 03/29/2024] [Indexed: 04/18/2024] Open
Abstract
Cyphocharax magdalenae, a Colombian freshwater fish species, plays a vital role in nutrients distribution and serves as a significant food source for other fish species and local fishing communities. Considered a short-distance migratory species, C. magdalenae populations face substantial extinction risk due to human activities impacting their habitats. To address the lack of knowledge on genetic diversity and population structure, this study used next-generation sequencing technology to develop species-specific microsatellite loci and conducted a population genetics analysis of C. magdalenae in the middle and lower sections of the Cauca River, Colombia. Out of 30 pairs of microsatellite primers evaluated in 324 individuals, 14 loci were found to be polymorphic, at linkage equilibrium and, in at least one population, their genotypic frequencies were in Hardy-Weinberg equilibrium. Results showed high genetic diversity levels compared to other neotropical Characiformes, with inbreeding coefficients similar to those reported for phylogenetically related species. Moreover, C. magdalenae exhibits seasonal population structure (rainy-dry) consisting of two genetic stocks showing bottleneck signals and high effective population sizes. This information is essential for understanding the current species genetics and developing future management programs for this fishery resource.
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Affiliation(s)
- Ana Maria Ochoa-Aristizábal
- Laboratorio de Biología Molecular y Celular, Escuela de Biociencias, Facultad de Ciencias Universidad Nacional de Colombia – Sede Medellín, Medellín, Antioquia, Colombia
| | - Edna Judith Márquez
- Laboratorio de Biología Molecular y Celular, Escuela de Biociencias, Facultad de Ciencias Universidad Nacional de Colombia – Sede Medellín, Medellín, Antioquia, Colombia
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Hernández-López JA, Andrade HJ, Barrios M. Agricultural drought assessment in dry zones of Tolima, Colombia, using an approach based on water balance and vegetation water stress. Sci Total Environ 2024; 921:171144. [PMID: 38401721 DOI: 10.1016/j.scitotenv.2024.171144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 02/17/2024] [Accepted: 02/19/2024] [Indexed: 02/26/2024]
Abstract
Soil water balance is an essential element to consider for the management of droughts and agricultural land use. It is important to evaluate the water consumption of a crop in each of its phenological phases and the status of water reserves during critical hydrologic periods. This study developed an agricultural drought index (Standardized Soil Moisture Deficit Index - SMODI) conceptualized with a water balance model considering the vegetation stress caused by soil moisture deficit. This contribution was based on meteorological information, soil moisture from satellite images, hydrophysical properties of the soil and crop evapotranspiration. Information from 61 weather stations located in the dry zone of Tolima was used for estimating the water balance. SMODI was compared with the most common drought indexes: Standardized Precipitation - Evapotranspiration Index (SPEI), the Palmer Self-Calibrated Drought Index (scPDSI), and other eleven macroclimatic indexes. Pearson's correlation coefficients (r), Tukey's test, and analysis of variance were applied to analyze the degree of association between SMODI and the contrasting indexes on a quarterly basis. SMODI considers factors influencing soil moisture distribution and retention and the water stress thresholds that plants have evolved to withstand during drought periods. Consequently, this integrated approach enhances the assessment of agricultural drought by relying on pertinent physical processes. SMODI identified extremely dry, severe, moderate and normal drought 5 %, 3 %, 20 % and 72 % respectively conditions in areas characterized by Entisols, Inceptisols, and Andisols, where rice and fruit crops and pasturelands are cultivated. The SMODI has a good correlation with macroclimatic indexes (0.70 < r < 0.74).
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Affiliation(s)
- Jorge Armando Hernández-López
- Civil Engineering Program, Engineering Faculty, Universidad de Ibagué, Carrera 22 calle 67 B/Ambalá, 730001 Ibagué, Colombia.
| | - Hernán J Andrade
- Research Group of Eco-Friendly Production of Tropical Crops "PROECUT", Facultad de Ingeniería Agronómica, Universidad del Tolima, Ibagué, Tolima 730006299, Colombia; Department of Production and Plant Health, Agronomic Engineering Faculty, Universidad del Tolima, Ibagué, Tolima 730006299, Colombia
| | - Miguel Barrios
- Faculty of Forest Engineering, Universidad del Tolima, Colombia
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Agudelo-González ÁL. ["If you are a woman, read this, it's good for you": the advertising of medicines targeted at mothers in the Colombian press, 1903-1945]. Hist Cienc Saude Manguinhos 2024; 31:e2024011. [PMID: 38629660 PMCID: PMC11018309 DOI: 10.1590/s0104-59702024000100011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 04/21/2023] [Indexed: 04/19/2024]
Abstract
This article analyses the advertising of patent medicine directed at mothers, which circulated in newspapers between 1903 and 1945. It demonstrates that these advertisings played an important role in shaping women as a consumer demographic, promoting a scientific approach to motherhood intertwined with health challenges. The methodology employed included the analysis of advertisements in the newspapers El Tiempo, La Prensa, Rigoletto, El Faro and Evolución. Additionally, it examines the historiography of the subject in Colombia and other latitudes. The conclusion of this study asserts that motherhood was a significant target for pharmaceutical industries, leading to a commercial concept of motherhood.
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Affiliation(s)
- Ángela Lucía Agudelo-González
- Profesora asociada, Universidad del Tolima; doctoranda en Historia y Artes, Universidad de Granada.Ibagué - Tolima - Colombia
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Vasquez Trespalacios EM, Oliveros-Riveros LM, Mercado González DC. [Perceived work self-efficacy, and characteristics of return to work in women survivors of breast cancer at two reference centers in Colombia]. Arch Prev Riesgos Labor 2024; 27:140-156. [PMID: 38655594 DOI: 10.12961/aprl.2024.27.02.03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 04/07/2024] [Indexed: 04/26/2024] Open
Abstract
OBJECTIVE Return to work and permanence in employment of women who survive breast cancer are topics that become important as incidence and survival rates increase. Self-efficacy as a modifiable element is of special interest in this process. The objective of this study is to measure the level of self-efficacy in female breast cancer survivors, according to sociodemographic, work and treatment characteristics and their relationship with return to work. METHODS This was a cross-sectional study, based on a survey of breast cancer patients about their demographic and work characteristics, the return to work process, permanence in the same job and the level of work self-efficacy. Differences in the level of self-efficacy with respect to characteristics were evaluated using bivariate analyses and hypothesis statistical testing. A value of p<0.05 was considered statistically significant. RESULTS One hundred and twenty-four women were included, 87.9% had returned to work, the majority (56.4%) between one and six months after treatment, 67.7% remained in the same job. Higher levels of work self-efficacy were related to a higher probability of returning to work and staying there, and a shorter time to return to work; these differences were statistically significant. CONCLUSION Occupational health and risk prevention services must consider and strengthen work self-efficacy and organizational support in breast cancer survivors to achieve a successful return to work.
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Modesto Dos Santos V, Arruda Modesto Sugai T. Re: Epidemiology of giant cell arteritis in Waikato, Aotearoa New Zealand. N Z Med J 2024; 137:93-95. [PMID: 38603793 DOI: 10.26635/6965.6568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
Abstract
The interest in epidemiological data on giant cell arteritis (GCA) increased both in New Zealand and in Latin America, resulting in updated articles like those here commented. Of more relevance are two very recent contributions by van Dantzig et al. with novel conclusive findings from their evaluations on GCA performed in the region of Waikato. The authors emphasised that the diagnosis of GCA remained stable in this region from 2014 to 2022, being uncommon among Māori, Pacific peoples and Asian ethnic groups. Short comments on some literature data from Argentina, Brazil, Colombia, Peru and Mexico about the systemic arteritis are here addressed to show the Latin American view. The authors strongly believe that this kind of report may enhance the general interest on diagnostic and management issues related to this very important systemic vasculitis.
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Taborda JCM, Guzmán JCM, Higuita-Gutiérrez LF. Understanding antibiotic knowledge, attitudes, and practices: a cross-sectional study in physicians from a Colombian region, 2023. BMC Med Educ 2024; 24:380. [PMID: 38589913 PMCID: PMC11000393 DOI: 10.1186/s12909-024-05354-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 03/27/2024] [Indexed: 04/10/2024]
Abstract
BACKGROUND Antibiotic resistance has been identified as a global health threat. Knowledge, attitudes, and inappropriate prescription practices of antibiotics by physicians play a crucial role in this problem. In Colombia, research addressing this issue is scarce. METHODS A cross-sectional study involving 258 physicians was conducted. A scale with questions on sociodemographic aspects, level of education, satisfaction with antibiotic education received, and knowledge, attitudes, and practices was administered. The scale was designed for each item to be analyzed individually or as a total score ranging from 0 to 100 (0 being the lowest and 100 the highest). RESULTS 31.5% of physicians rated the education received on antibiotics as fair to poor. The knowledge score was 80.1 (IQR 70.5-87.5); however, 25.2% agreed to some extent that amoxicillin is useful in treating most respiratory infections, and 15% agreed that antibiotics are effective in treating upper respiratory infections. Attitudes scored 80.2 (IQR 75.0-86.5), with 99% stating that bacterial resistance is a public health problem in Colombia, but only 56.9% considering it a problem affecting their daily practice. Practices scored 75.5 (IQR 68.8-81.2), and 71.7% affirmed that if they refuse to prescribe antibiotics to a patient who does not need them, the patient can easily obtain them from another physician. General practitioners were found to have lower scores in all three indices evaluated. CONCLUSION The study reveals enduring misconceptions and concerning practices in antibiotic prescription, particularly among general practitioners. Enhancing knowledge necessitates the implementation of continuous medical education programs that focus on updated antibiotic guidelines, and resistance patterns. Fostering positive attitudes requires a culture of trust and collaboration among healthcare professionals. Practical enhancements can be realized through the establishment of evidence-based prescribing guidelines and the integration of regular feedback mechanisms. Moreover, advocating for the inclusion of antimicrobial stewardship principles in medical curricula is crucial, emphasizing the significance of responsible antibiotic use early in medical education.
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Affiliation(s)
| | | | - Luis Felipe Higuita-Gutiérrez
- Facultad de medicina, Universidad Cooperativa de Colombia, Medellín, Colombia.
- Escuela de microbiología, Universidad de Antioquia, Medellín, Colombia.
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Buitrago DM, Perdomo SJ, Silva FA, Cely-Veloza W, Lafaurie GI. Physicochemical Characterization, Antioxidant, and Proliferative Activity of Colombian Propolis Extracts: A Comparative Study. Molecules 2024; 29:1643. [PMID: 38611922 PMCID: PMC11013913 DOI: 10.3390/molecules29071643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 02/19/2024] [Accepted: 02/19/2024] [Indexed: 04/14/2024] Open
Abstract
Propolis extracts have been widely studied due to their popularity in traditional medicine, presenting incredible biodiversity. This study aimed to analyze propolis extracts' phytochemical, physicochemical, and biological activities from four different biogeographic zones of the Huila region (Colombia). The raw material samples were collected by the scraping method and the ethanolic extracts (EEPs) were obtained by cold maceration with ethanol (96%). The physicochemical and sensory characterization was carried out according to the protocols recommended by the Brazilian Ministry of Agriculture and the main components of the EEPs were identified by LC-HRMS analysis. The determination of total phenols and flavonoids was carried out using colorimetric techniques. The antioxidant activity, cytotoxicity, and cell cycle regulation analyses in L929 and HGnF cells were evaluated using DPPH, Alamar Blue, and 7-amino actinomycin D (7-AAD) assays. The propolis samples presented an average yield of 33.1%, humidity between 1.6 and 2.8%, melting point between 54 and 62 °C, ashes between 1.40 and 2.19%, and waxes of 6.6-17.9%, respectively. The sensory characteristics of all samples were heterogeneous, complying with the quality specifications established by international standards. The polyphenolic and total flavonoid content was representative in the samples from Quebradon (255.9 ± 9.2 mg GAE/g, 543.1 ± 8.4 mg QE/g) and Arcadia (543.1 ± 8.4 mg GAE/g, 32.5 ± 1.18 g QE/g) (p < 0.05) that correlated with high antioxidant activity (Quebradon: 37.2 ± 1.2 µmol/g, Arcadia: 38.19 ± 0.7 µmol/g). In the chemical composition analysis, 19 compounds were characterized as phenolic acids and flavonoids, the most representative being chrysoeriol-O-methyl-ether, ellagic acid, and 3,4-O-dimethylcaffeic acid. Regarding biological activity, Quebradon and Arcadia propolis presented low toxicity with IC50 of 2.83 ± 2.3 mg/mL and 4.28 ± 1.4 mg/mL in HGnF cells, respectively, and an arrest of the cell cycle in the G2/M phase of 71.6% and 50.8% compared to the control (11.9%) (p < 0.05). In general, the results of this study contribute to the identification of valid quality criteria to evaluate Colombian propolis, contributing to its study and chemical and biological characterization as a source of raw material for industrial and pharmaceutical use. In addition, Quebradon and Arcadia propolis can be important sources of bioactive molecules for the development of new drugs.
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Affiliation(s)
- Diana Marcela Buitrago
- Unidad de Investigación Básica Oral—UIBO, Facultad de Odontología, Universidad El Bosque, Bogotá 110121, Colombia
| | - Sandra J. Perdomo
- Cellular and Molecular Immunology Group-INMUBO, Facultad de Odontología, Universidad El Bosque, Bogotá 110121, Colombia;
| | | | - Willy Cely-Veloza
- Área Bioclínica, Facultad de Odontología, Universidad El Bosque, Bogotá 110121, Colombia;
- Bioorganic Chemistry Laboratory, Facultad de Ciencias Básicas y Aplicadas, Universidad Militar Nueva Granada, Cajica 250247, Colombia
| | - Gloria Inés Lafaurie
- Unidad de Investigación Básica Oral—UIBO, Facultad de Odontología, Universidad El Bosque, Bogotá 110121, Colombia
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Wirtz AL, Stevenson M, Guillén JR, Ortiz J, Barriga Talero MÁ, Page KR, López JJ, Ramirez Correa JF, Martínez Porras D, Luque Núñez R, Fernández-Niño JA, Spiegel PB. Persistent Food Insecurity and Material Hardships: A Latent Class Analysis of Experiences among Venezuelan Refugees and Migrants in Urban Colombia. Nutrients 2024; 16:1060. [PMID: 38613093 PMCID: PMC11013044 DOI: 10.3390/nu16071060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/28/2024] [Accepted: 03/28/2024] [Indexed: 04/14/2024] Open
Abstract
The causes and conditions of displacement often increase the vulnerability of migrant and refugee populations to food insecurity, alongside other material hardships. We aimed to examine the multidimensional aspects and patterns of food insecurity and other material hardships in a cross-sectional sample of 6221 Venezuelan refugees and migrants in urban Colombia using a latent class analysis. Using multinomial and logistic regression models, we investigated the demographic and migratory experiences associated with identified classes and how class membership is associated with multiple health outcomes among Venezuelan refugees and migrants, respectively. Approximately two thirds of the sample was comprised cisgender women, and the participants had a median age of 32 years (IQR: 26-41). Four heterogeneous classes of food insecurity and material hardships emerged: Class 1-low food insecurity and material hardship; Class 2-high food insecurity and material hardship; Class 3-high income hardship with insufficient food intake; and Class 4-income hardship with food affordability challenges. Class 2 reflected the most severe food insecurity and material hardships and had the highest class membership; Venezuelans with an irregular migration status were almost 1.5 times more likely to belong to this class. Food insecurity and material hardship class membership was independently associated with self-rated health, mental health symptoms, and recent violence victimization and marginally associated with infectious disease outcomes (laboratory-confirmed HIV and/or syphilis infection). Social safety nets, social protection, and other interventions that reduce and prevent material hardships and food insecurity among refugees and migrants, alongside the host community, may improve public health, support development, and reduce healthcare costs. In the long term, regularization and social policies for migrants aimed at enhancing refugees' and migrants' social and economic inclusion may contribute to improving food security in this population.
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Affiliation(s)
- Andrea L. Wirtz
- Department of Epidemiology, Center for Public Health and Human Rights, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD 21205, USA; (M.S.); (K.R.P.)
- Department of International Health, Center for Humanitarian Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD 21205, USA;
| | - Megan Stevenson
- Department of Epidemiology, Center for Public Health and Human Rights, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD 21205, USA; (M.S.); (K.R.P.)
| | - José Rafael Guillén
- Red Somos, Bogotá 111321, Colombia; (J.R.G.); (J.O.); (M.Á.B.T.); (J.J.L.); (J.F.R.C.); (D.M.P.)
| | - Jennifer Ortiz
- Red Somos, Bogotá 111321, Colombia; (J.R.G.); (J.O.); (M.Á.B.T.); (J.J.L.); (J.F.R.C.); (D.M.P.)
| | | | - Kathleen R. Page
- Department of Epidemiology, Center for Public Health and Human Rights, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD 21205, USA; (M.S.); (K.R.P.)
- Department of International Health, Center for Humanitarian Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD 21205, USA;
- Department of Infectious Disease, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
| | - Jhon Jairo López
- Red Somos, Bogotá 111321, Colombia; (J.R.G.); (J.O.); (M.Á.B.T.); (J.J.L.); (J.F.R.C.); (D.M.P.)
| | | | - Damary Martínez Porras
- Red Somos, Bogotá 111321, Colombia; (J.R.G.); (J.O.); (M.Á.B.T.); (J.J.L.); (J.F.R.C.); (D.M.P.)
| | | | | | - Paul B. Spiegel
- Department of International Health, Center for Humanitarian Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD 21205, USA;
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Gallego JL, Shipley ER, Vlahos P, Olivero-Verbel J. Occurrence and toxicological relevance of pesticides and trace metals in agricultural soils, sediments, and water of the Sogamoso River basin, Colombia. Chemosphere 2024; 354:141713. [PMID: 38490613 DOI: 10.1016/j.chemosphere.2024.141713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/11/2024] [Accepted: 03/12/2024] [Indexed: 03/17/2024]
Abstract
Historical pesticide use in agriculture and trace metal accumulation have long term impact on soil, sediment, and water quality. This research quantifies legacy and current-use pesticides and trace metals, assessing their occurrence and toxicological implications on a watershed scale in the Sogamoso River basin, tributary of the Magdalena River in Colombia. Organochlorine pesticides (22), organophosphates (7), and azole fungicides (5), as well as trace metals cadmium (Cd), chromium (Cr), copper (Cu), mercury (Hg), nickel (Ni), lead (Pb), and zinc (Zn) were analyzed in croplands and along the river. Toxic units (TU) and hazard quotients (HQ) were calculated to assess the mixture toxicity. Organochlorines were detected in 84% of soils, 100% of sediments, and 80% of water samples. Organophosphates were found in 100% of soil and sediment samples, as well as in 70% of water samples. Azole fungicides were present in 79% of soils, 60% of sediments, and in 10% of water samples. Total pesticide concentrations ranged from 214.2 to 8497.7 μg/kg in soils, 569.6-12768.2 μg/kg in sediments, and 0.2-4.1 μg/L in water. In addition, the use of partition coefficient (Kd) and organic carbon fraction (foc) allowed the distribution analysis for most of the pesticides in sediments, suspended particulate matter (SPM), and water systems, but not for soils. Concentrations of trace metals Cu, Zn, Pb, and Zn exceeded international quality guidelines for agricultural soils in 16% of the samples. Furthermore, Cu and Zn concentrations exceeded sediment quality guidelines in 50 and 90% of the samples, respectively. These findings demonstrate the broad distribution of complex mixtures of trace metals, legacy organochlorines, and current-use pesticides across the basin, indicating that conventional agriculture is a significant source of diffuse pollution. Sustainable agricultural practices are needed to mitigate adverse impacts on ecosystems and human health.
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Affiliation(s)
- Jorge L Gallego
- Environmental and Computational Chemistry Group, School of Pharmaceutical Sciences, Zaragocilla Campus, University of Cartagena, Cartagena, 130014, Colombia; Engineering Department, University of Medellin, Medellin, 050026, Colombia.
| | - Emma R Shipley
- Department of Marine Sciences, University of Connecticut, Avery Point, 1080 Shennecossett Rd, Groton, CT 06340, United States.
| | - Penny Vlahos
- Department of Marine Sciences, University of Connecticut, Avery Point, 1080 Shennecossett Rd, Groton, CT 06340, United States.
| | - Jesus Olivero-Verbel
- Environmental and Computational Chemistry Group, School of Pharmaceutical Sciences, Zaragocilla Campus, University of Cartagena, Cartagena, 130014, Colombia.
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Barandiaran A, Montanes N, Gomez-Caturla J, Balart R, Florez-Prieto MA, Ávila-Martin L, Perilla JE. "Development and characterization of edible films based on starch isolated from different Colombian potato varieties". Int J Biol Macromol 2024; 263:130165. [PMID: 38367784 DOI: 10.1016/j.ijbiomac.2024.130165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 02/08/2024] [Accepted: 02/11/2024] [Indexed: 02/19/2024]
Abstract
This work reports on the extraction and characterization of the behavior of starch from residues of several potato varieties (Criolla, Sabanera and Pastusa) of Colombian origin from the Andean region using different techniques and the evaluation of the effect of citric acid (CA) on the grain morphology. Additionally, films were produced with each one of the extracted starches and glycerol. Pastusa variety starch shows a higher granule size than the other varieties and Pastusa starch shows lower amylose content compared to Sabanera and Criolla. Criolla and Pastusa starches exhibit more thermal stability than Sabanera starch. Starch-glycerol films were also produced using the cast solving method. The films were mechanically analyzed by tensile test and the barrier properties were assessed by water vapor permeability (WVP). The tensile strength of the films varied in the 2.0-2.4 MPa range, while the elongation at break was comprised between 25 and 32 %. With regard to water vapor permeability, the obtained values fall within the 4-7 × 10-10 g m-1 s-1 Pa-1 range. It was observed that the thickness of the films and the protein content affected water vapor permeability, increasing this value at higher levels of thickness.
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Affiliation(s)
- A Barandiaran
- Instituto de Tecnología de Materiales (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Alicante, Spain; Grupo de Procesos Químicos y Bioquímicos, Departamento de Ingeniería Química y Ambiental, Universidad Nacional de Colombia, Av. Cra. 30 N°45-03 ED 453 Of. 320, Bogotá 111321, Colombia.
| | - N Montanes
- Instituto de Tecnología de Materiales (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Alicante, Spain
| | - J Gomez-Caturla
- Instituto de Tecnología de Materiales (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Alicante, Spain
| | - R Balart
- Instituto de Tecnología de Materiales (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Alicante, Spain
| | - M A Florez-Prieto
- Grupo de Procesos Químicos y Bioquímicos, Departamento de Ingeniería Química y Ambiental, Universidad Nacional de Colombia, Av. Cra. 30 N°45-03 ED 453 Of. 320, Bogotá 111321, Colombia
| | - L Ávila-Martin
- Grupo de Procesos Químicos y Bioquímicos, Departamento de Ingeniería Química y Ambiental, Universidad Nacional de Colombia, Av. Cra. 30 N°45-03 ED 453 Of. 320, Bogotá 111321, Colombia
| | - Jairo E Perilla
- Grupo de Procesos Químicos y Bioquímicos, Departamento de Ingeniería Química y Ambiental, Universidad Nacional de Colombia, Av. Cra. 30 N°45-03 ED 453 Of. 320, Bogotá 111321, Colombia
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Amaya-Arias AC, García-Valencia J, Jaimes F. Cross-Cultural Validation of the TeamSTEPPS Teamwork Perceptions Questionnaire-Spanish in Colombia. J Nurs Care Qual 2024; 39:E23-E29. [PMID: 38030215 DOI: 10.1097/ncq.0000000000000755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
BACKGROUND Teamwork influences health care quality and patient safety. Yet, validated instruments for assessing teamwork in Colombia are lacking. PURPOSE The purpose of this study was to validate the Spanish version of the TeamSTEPPS-Teamwork Perceptions Questionnaire (T-TPQ-S) for the Colombian health care context. METHODS The T-TPQ-S underwent translation, cultural adaptation, and comprehensive psychometric testing, including reliability and confirmatory factor analyses and item difficulty and discrimination analyses. RESULTS The T-TPQ-S demonstrated high internal consistency and excellent fit to the theoretical model. Item discrimination was within expected ranges, with response thresholds displaying an ascending order. The tool better differentiated subjects with low and high teamwork perceptions. CONCLUSIONS The T-TPQ-S is an effective, reliable, and valid instrument for assessing teamwork perception among Colombian health care workers.
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Affiliation(s)
- Ana C Amaya-Arias
- Author Affiliations: Universidad de Antioquia, Medellín, Colombia (Dr Amaya-Arias); and Departments of Psychiatry (Dr García-Valencia) and Internal Medicine (Dr Jaimes), School of Medicine, Universidad de Antioquia, Medellín, Colombia
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16
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Londoño-Burbano A, Britto MR. Taxonomic revision of Sturisoma Swainson, 1838 (Loricariidae: Loricariinae), with descriptions of four new species. J Fish Biol 2024; 104:989-1041. [PMID: 38018606 DOI: 10.1111/jfb.15627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/12/2023] [Accepted: 11/20/2023] [Indexed: 11/30/2023]
Abstract
A taxonomic revision of Sturisoma is presented. Individuals including both type and non-type specimens of all valid species were examined. Sturisoma was found to comprise 10 valid species: Sturisoma barbatum, Sturisoma brevirostre, Sturisoma graffini, Sturisoma guentheri, Sturisoma lyra, Sturisoma monopelte, Sturisoma nigrirostrum, Sturisoma reisi, Sturisoma rostratum, and Sturisoma tenuirostre. Furthermore, four new species are described: Sturisoma ghazziae, new species, from the Araguaia River, belonging to the Tocantins-Araguaia basin, Central Brazil; Sturisoma careirensia, new species, from the middle Amazon basin, Brazil; Sturisoma rapppydanielae, new species, from the Purus River, Amazon basin, Brazil; and Sturisoma defranciscoi, new species, from the Putumayo and Solimões rivers, upper Amazon basin, Colombia, and Brazil. Sturisoma robustum is confirmed as synonym of S. barbatum, species registered along the Paraguay/Parana/La Plata River basin in Argentina, Brazil, and Paraguay. New records were found for S. nigrirostrum as present in the upper Amazon basin, in the Yavari River, Brazil, in addition to its already known locality, the Ucayali River, Peru. The distribution of the type species of the genus S. rostratum is limited to the lower portion of the Amazon basin in the Araguaia, Maranhão, Mearim, Tapajós, and Tocantins rivers and its affluents, Brazil, in contrast to the assumed widespread distribution across the main basins of South America, as previously proposed for the species; the Mearim River is a new record for the species. Updated diagnoses and descriptions are offered for species of Sturisoma, in addition to distribution maps and an identification key for the species.
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Affiliation(s)
- Alejandro Londoño-Burbano
- Departamento de Vertebrados-Setor de Ictiologia, Universidade Federal do Rio de Janeiro, Museu Nacional, Rio de Janeiro, Brazil
| | - Marcelo R Britto
- Departamento de Vertebrados-Setor de Ictiologia, Universidade Federal do Rio de Janeiro, Museu Nacional, Rio de Janeiro, Brazil
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Velasco-Cárdenas AF, Jacome-García JC, Pádua DG, Kloss TG. Behavioral Modification of Leucauge mariana Induced by an Ichneumonid Spider-Parasitoid, Hymenoepimecis castilloi, in the Colombian Andes. Neotrop Entomol 2024; 53:364-371. [PMID: 38133732 PMCID: PMC11021313 DOI: 10.1007/s13744-023-01110-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 11/27/2023] [Indexed: 12/23/2023]
Abstract
Hymenoepimecis is a genus of Darwin wasps in the Polysphincta group of genera (Hymenoptera: Ichneumonidae: Pimplinae) known as ectoparasitoids of a broad spectrum of spiders. The parasitoid induces production of a web known as cocoon web, which provides shelter and support for the wasp pupa. In this study, we describe for the first time the interaction between Hymenoepimecis castilloi Pádua & Sääksjärvi (Hymenoptera: Ichneumonidae) and its host spider Leucauge mariana (Taczanowski) (Araneae: Tetragnathidae) in the Colombian Andes, provide new records of wasp genus distribution, and described the behavioral modifications induced in the spider. Web modifications occurred in the webs of both solitary and aggregated individuals. Adhesive spirals were lacking, and webs were connected to vegetation by multiple threads in all cocoon webs, which was not seen attached to webs of non-parasitized spiders. All parasitoid cocoons were observed hanging on a vertical line in the hub of the cocoon web. As previously described for other species, we believe that this modified web design results in increased web strength and favors parasitoid development during the pupal stage.
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Affiliation(s)
- Andrés F Velasco-Cárdenas
- Grupo Diversitas, Facultad de Ciencias Básicas y Aplicadas, Univ Militar Nueva Granada, Cajicá, Colombia.
| | | | - Diego G Pádua
- Programa de Pós-Graduação Em Entomologia, Instituto Nacional de Pesquisas da Amazônia - INPA, Manaus, Amazonas, Brazil
- Centro de Investigación de Estudios Avanzados del Maule, Vicerrectoría de Investigación y Postgrado, Univ Católica del Maule, Talca, Maule, Chile
| | - Thiago G Kloss
- Lab of Behavioral Ecology, Dept of General Biology, Federal University of Viçosa, Viçosa, Minas Gerais, Brazil
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Buendía JA, Guerrero Patiño D, Zuluaga Salazar AF. Cost effectiveness of omalizumab for severe asthma in Colombia. J Asthma 2024; 61:292-299. [PMID: 37815886 DOI: 10.1080/02770903.2023.2267129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 10/01/2023] [Indexed: 10/12/2023]
Abstract
BACKGROUND Omalizumab is a humanized monoclonal antibody that specifically binds to free human immunoglobulin E. The introduction of this drug raises concerns about economic impact in scenarios with constrained. This study aimed to estimate the cost utility of omalizumab in adults with severe asthma uncontrolled in Colombia. METHODS We used a Markov state-transition model to estimate the cost and QALYs associated with omalizumab compared to standard of care; from a third payer perspective over a lifetime horizon. This model used local costs while utilities were derived from international literature. Cost and transition probabilities were obtained from a mixture of Colombian-specific and internationally published data. RESULTS The mean incremental cost of omalizumab versus standard of care is US$3 481. The mean incremental benefit of omalizumab versus standard of care 0.094 QALY. The incremental expected cost per unit of benefit is estimated at US$36846 per QALY. There is only a probability of 0.032 that Omalizumab is more cost-effective than standard of care at a threshold of US$5180 per QALY. CONCLUSION Omalizumab is not cost-effective in adults with severe asthma uncontrolled in Colombia. If the cost of Omalizumab is reduced by 83%, this treatment would be cost-effective in our country. Our study provides evidence that should be used by decision-makers to improve clinical practice guidelines and should be replicated to validate their results in other middle-income countries.
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Affiliation(s)
- Jefferson Antonio Buendía
- Health Economics Research Centre, Nuffield Department of Population Health, University of Oxford, Oxford, UK
- Research group in Pharmacology and Toxicology, Department of Pharmacology and Toxicology, University of Antioquia, Medellín, Colombia
| | - Diana Guerrero Patiño
- Research group in Pharmacology and Toxicology, Department of Pharmacology and Toxicology, University of Antioquia, Medellín, Colombia
| | - Andrés Felipe Zuluaga Salazar
- Research group in Pharmacology and Toxicology, Department of Pharmacology and Toxicology, University of Antioquia, Medellín, Colombia
- Laboratorio Integrado de Medicina Especializada (LIME), Facultad de Medicina, IPS Universitaria, Universidad de Antioquia, Antioquia, Colombia
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Vélez-Martínez GA, Reyes-Ardila WL, Duque-Zapata JD, Rugeles-Silva PA, Muñoz Flórez JE, López-Álvarez D. Soil bacteria and fungi communities are shaped by elevation influences in Colombian forest and páramo natural ecosystems. Int Microbiol 2024; 27:377-391. [PMID: 37458953 PMCID: PMC10991037 DOI: 10.1007/s10123-023-00392-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 06/08/2023] [Accepted: 06/15/2023] [Indexed: 04/05/2024]
Abstract
The influence of elevation on natural terrestrial ecosystems determines the arrangements of microbial communities in soils to be associated with biotic and abiotic factors. To evaluate changes of fungi and bacteria at the community level along an elevational gradient (between 1000 and 3800 m.a.s.l.), physicochemical measurements of soils, taxonomic identifications of plants, and metabarcoding sequences of the 16S rRNA gene for bacteria and the ITS1 region for fungi were obtained. The bacterial taxonomic composition showed that Acidobacteriota increased in abundance with elevation, while Actinobacteriota and Verrucomicrobiota decreased. Furthermore, Firmicutes and Proteobacteria maintained maximum levels of abundance at intermediate elevations (1200 and 2400 m.a.s.l.). In fungi, Ascomycota was more abundant at higher elevations, Basidiomycota tended to dominate at lower elevations, and Mortierellomycota had a greater presence at intermediate sites. These results correlated with the edaphic parameters of decreasing pH and increasing organic carbon and available nitrogen with elevation. In addition, the Shannon index found a greater diversity in bacteria than fungi, but both showed a unimodal pattern with maximum values in the Andean Forest at 2400 m.a.s.l. Through the microbial characterization of the ecosystems, the elevational gradient, soil properties, and vegetation were found to exert significant effects on microbial communities and alpha diversity indices. We conclude that the most abundant soil microorganisms at the sampling points differed in abundance and diversity according to the variations in factors influencing ecological communities.
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Affiliation(s)
- Glever Alexander Vélez-Martínez
- Grupo de Investigación en Diversidad Biológica, Departamento de Ciencias Biológicas, Facultad de Ciencias Agropecuarias, Universidad Nacional de Colombia-Sede Palmira, Carrera, 32 No. 12-00, 763536, Palmira, Valle del Cauca, Colombia.
| | - Wendy Lorena Reyes-Ardila
- Grupo de Investigación en Diversidad Biológica, Departamento de Ciencias Biológicas, Facultad de Ciencias Agropecuarias, Universidad Nacional de Colombia-Sede Palmira, Carrera, 32 No. 12-00, 763536, Palmira, Valle del Cauca, Colombia
| | - Juan Diego Duque-Zapata
- Grupo de Investigación en Diversidad Biológica, Departamento de Ciencias Biológicas, Facultad de Ciencias Agropecuarias, Universidad Nacional de Colombia-Sede Palmira, Carrera, 32 No. 12-00, 763536, Palmira, Valle del Cauca, Colombia
| | - Paula Andrea Rugeles-Silva
- Grupo de Investigación en Diversidad Biológica, Departamento de Ciencias Biológicas, Facultad de Ciencias Agropecuarias, Universidad Nacional de Colombia-Sede Palmira, Carrera, 32 No. 12-00, 763536, Palmira, Valle del Cauca, Colombia
| | - Jaime Eduardo Muñoz Flórez
- Grupo de Investigación en Diversidad Biológica, Departamento de Ciencias Biológicas, Facultad de Ciencias Agropecuarias, Universidad Nacional de Colombia-Sede Palmira, Carrera, 32 No. 12-00, 763536, Palmira, Valle del Cauca, Colombia
| | - Diana López-Álvarez
- Grupo de Investigación en Diversidad Biológica, Departamento de Ciencias Biológicas, Facultad de Ciencias Agropecuarias, Universidad Nacional de Colombia-Sede Palmira, Carrera, 32 No. 12-00, 763536, Palmira, Valle del Cauca, Colombia.
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Mendoza-Mendoza A, Mendoza-Casseres D, De La Hoz-Domíngez E. Comparison of industrial engineering programs in Colombia based on standardized test results. Eval Program Plann 2024; 103:102415. [PMID: 38460323 DOI: 10.1016/j.evalprogplan.2024.102415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 03/11/2024]
Abstract
This study aims to evaluate the performance of industrial engineering programs across various Higher Education Institutions (HEIs) in Colombia, focusing on the SaberPRO test outcomes from 2016 to 2018. The evaluation considers three primary dimensions: the type of funding (public vs. private HEIs), geographical region, and program accreditation status. The methodology involved gathering and analyzing Saber Pro test results from students enrolled in industrial engineering programs at 82 Colombian HEIs during the specified period. In Colombia, the SaberPRO Exam, administered by the Colombian Institute for the Evaluation of Education (ICFES), is a critical measure for assessing the quality of future industrial engineering graduates. This research employs an analytical framework that includes Analysis of Variance (ANOVA) and hypothesis testing for mean comparisons to scrutinize the performance of these programs. Findings reveal notable disparities in performance between public and private institutions and between accredited and non-accredited programs. Additionally, through Multiple Factor Analysis (MFA), the study identifies the competencies with the highest discriminative capacity, recognizing 15 exemplary programs out of the 82 evaluated.
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Affiliation(s)
- Adel Mendoza-Mendoza
- Program of Industrial Engineering, Universidad del Atlantico, Barranquilla, Colombia.
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Mendoza-Tobar LL, Clement H, Arenas I, Guerrero-Vargas JA, Hernandez-Orihuela L, Cardoso-Arenas S, Sepulveda-Arias JC, Corzo G. Antimicrobial, toxicological, and antigenic characteristics of three scorpion venoms from Colombia: Centruroides margaritatus, Tityus pachyurus and Tityus n. sp. aff. metuendus. Acta Trop 2024; 252:107134. [PMID: 38286350 DOI: 10.1016/j.actatropica.2024.107134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 01/25/2024] [Accepted: 01/26/2024] [Indexed: 01/31/2024]
Abstract
The venom fractions of three buthid scorpion species from Colombia, C. margaritatus, T. pachyurus and T. n. sp. aff. metuendus, were examined for antimicrobial and toxicity toward mice and insects. The three venoms were separated into individual fractions using RP-HPLC, resulting in 85 fractions from C. margaritatus, 106 from T. pachyurus, and 70 from T. n. sp. aff. metuendus. The major fractions from the three scorpion venoms, which were eluted between 35 and 50 min, were tested for antimicrobial activity and toxicity. It was confirmed that the venom of the three species contains fractions with antimicrobial peptides that were evaluated against two bacterial strains of public health importance, Pseudomonas aeruginosa and Staphylococcus aureus. The venom of C. margaritatus had two antimicrobial fractions that showed activity against the named tested strains. The venom of T. pachyurus had three fractions that showed activity against S. aureus and two against both bacterial strains. Finally, the venom of T. n. sp. aff. metuendus had one fraction that showed activity against S. aureus, and five fractions showed activity against both bacterial strains. Also, some peptide fractions from the three venoms were toxic to mice. Last, the venoms of C. margaritatus and T. pachyurus were used as immunogens to obtain neutralizing antibodies against its respective venoms and to observe antibody recognition to related and unrelated scorpion venoms. A total of 15 mg of lyophilized antibodies were able to neutralize 1.5⋅LD50 of the venoms from T. n. sp. aff. metuendus, T. pachyurus and C. margaritatus, respectively. This information provides valuable insights into the diversity of each species' venom and their potential role in antimicrobial and venom toxicity.
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Affiliation(s)
- Leydy Lorena Mendoza-Tobar
- Programa de Doctorado en Ciencias Biomédicas, Facultad de Ciencias de la Salud, Grupo Infección e Inmunidad - Universidad Tecnológica de Pereira, Pereira 660003, Colombia; Grupo de Investigaciones Herpetológicas y Toxinológicas, Centro de Investigaciones Biomédicas-Bioterio, Departamento de Biología, Facultad de Ciencias Naturales, Exactas y de la Educación, Universidad del Cauca, Popayán 190002, Colombia
| | - Herlinda Clement
- Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, UNAM. Apartado Postal 510-3, Cuernavaca, Morelos 61500, Mexico
| | - Ivan Arenas
- Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, UNAM. Apartado Postal 510-3, Cuernavaca, Morelos 61500, Mexico
| | - Jimmy Alexander Guerrero-Vargas
- Grupo de Investigaciones Herpetológicas y Toxinológicas, Centro de Investigaciones Biomédicas-Bioterio, Departamento de Biología, Facultad de Ciencias Naturales, Exactas y de la Educación, Universidad del Cauca, Popayán 190002, Colombia
| | - Lorena Hernandez-Orihuela
- Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, UNAM. Apartado Postal 510-3, Cuernavaca, Morelos 61500, Mexico
| | - Samuel Cardoso-Arenas
- Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, UNAM. Apartado Postal 510-3, Cuernavaca, Morelos 61500, Mexico
| | - Juan Carlos Sepulveda-Arias
- Programa de Doctorado en Ciencias Biomédicas, Facultad de Ciencias de la Salud, Grupo Infección e Inmunidad - Universidad Tecnológica de Pereira, Pereira 660003, Colombia
| | - Gerardo Corzo
- Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, UNAM. Apartado Postal 510-3, Cuernavaca, Morelos 61500, Mexico.
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Oviedo Á, Rodríguez MM, Flores FS, Castro LR. New hard tick (Acari: Ixodidae) reports and detection of Rickettsia in ticks from Sierra Nevada de Santa Marta, Colombia. Exp Appl Acarol 2024; 92:507-528. [PMID: 38485886 PMCID: PMC11035439 DOI: 10.1007/s10493-023-00887-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 12/29/2023] [Indexed: 04/23/2024]
Abstract
The Sierra Nevada de Santa Marta (SNSM), located in northern Colombia, is considered a geographical island with high levels of biodiversity and endemism. However, little is known about tick species and their associated microorganisms at the SNSM. In this study we sampled host-seeking ticks in areas of the town of Minca within the SNSM. We collected 47 ticks identified as Amblyomma pacae, Amblyomma longirostre, Amblyomma ovale, Amblyomma mixtum, Haemaphysalis juxtakochi, Ixodes sp. cf. Ixodes affinis and Ixodes sp. Of these ticks, we tested for Rickettsia spp. by amplifying the gltA, SCA1, and 16S rRNA genes via PCR. Rickettsia amblyommatis was detected in one pool of 3 larvae and in a female of A. pacae. Additonally, we isolated Rickettsia sp. belonging to the group of spotted fevers in larvae of A. longirostre. This study reports new findings of six species of ticks and two species of Rickettsia within the SNSM.
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Affiliation(s)
- Ángel Oviedo
- Grupo de investigación Evolución, Sistemática y Ecología Molecular (GIESEMOL), Universidad del Magdalena, Santa Marta, Colombia
| | - Miguel M Rodríguez
- Grupo de investigación Evolución, Sistemática y Ecología Molecular (GIESEMOL), Universidad del Magdalena, Santa Marta, Colombia
| | - Fernando S Flores
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Biológicas y Tecnológicas (IIByT), Córdoba, Argentina
- Centro de Investigaciones Entomológicas de Córdoba (CIEC), Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Lyda R Castro
- Grupo de investigación Evolución, Sistemática y Ecología Molecular (GIESEMOL), Universidad del Magdalena, Santa Marta, Colombia.
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Avila Ovalle IJ, Arango Arango AC, Cruz Mosquera FE, Gómez-Barreiro NA, Márquez-Pérez YA, Perlaza CL, Lozano Gómez K, Zamora-Vidal S, Garzón-Morera MN. [Excessive daytime sleepiness in older adults of a municipal physical activity program]. Rev Fac Cien Med Univ Nac Cordoba 2024; 81:40-52. [PMID: 38537097 DOI: 10.31053/1853.0605.v81.n1.41826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 10/28/2023] [Indexed: 04/05/2024] Open
Abstract
Introduction Physical exercise has been shown to have a favorable impact on the health of the individual. Its combination with other healthy lifestyles can positively impact various areas, including sleep quality. Objective To determine the frequency of excessive daytime sleepiness in older adults of a municipal physical activity program in Santiago de Cali, Colombia. Methodology Cross-sectional study that included 605 older adults from a community program of the Secretary of Recreation and Sports of the City of Cali, Colombia, during October 2018 and June 2019. To determine the presence of excessive daytime sleepiness, the Epworth Sleepiness Scale was used. Results 81.5% of the population was female with a mean age of 73±8 years. The prevalence of excessive daytime sleepiness was 10.5%. Significant differences were only found in the frequency of excessive daytime sleepiness by socioeconomic stratum, being more common in the low socioeconomic stratum (13% vs 4% P=0.03). Conclusion Excessive daytime sleepiness is a phenomenon that affects older adults; however, its frequency may be lower in those who are physically active.
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Machado-Aguilera MC, Lemus-Mejía L, Pérez-Torres J, Zárrate-Charry DA, Arias-Alzate A, González-Maya JF. Preserving the spots: Jaguar (Panthera onca) distribution and priority conservation areas in Colombia. PLoS One 2024; 19:e0300375. [PMID: 38517860 PMCID: PMC10959345 DOI: 10.1371/journal.pone.0300375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 02/26/2024] [Indexed: 03/24/2024] Open
Abstract
The jaguar (Panthera onca) is a charismatic species considered Vulnerable in Colombia but yet largely unknown in the country. The species is mostly threatened by the continuous decline in its habitats, mostly derived from deforestation and habitat loss, additional to hunting and conflicts with humans. Thus, the future of jaguars in Colombia depends on protecting and recovering existing habitats. The aims of this study were to 1) evaluate jaguar distribution and identify the remnant patches of habitat in Colombia, 2) define an ecological connectivity network within the country, and 3) propose a priority areas portfolio for the conservation and recovery of jaguars. We used a presence background model for estimating species potential distribution and subsequently identified remaining habitat patches across the country based on land cover and species-specific ecological attributes. We then created an ecological connectivity network based on circuit theory and following a multi-criteria approach identified jaguar priority areas for conservation (JPCA) and recovery (JPRA). Jaguar potential distribution comprises 1103122.43 km2, from which 56.71% maintain suitable patches of potential habitat. We identified 960 corridors between remnant patches of natural or semi-natural vegetation. Based on the criteria, JPCAs with greater importance were identified in each of the five Colombian regions. JPRAs were located mainly towards the Andean and Caribbean regions. These JPCAs and JPRAs could serve as a guide for designing and implementing management strategies for the long-term conservation and recovery of the species in Colombia.
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Affiliation(s)
- María Camila Machado-Aguilera
- Proyecto de Conservación de Aguas y Tierras – ProCAT Colombia, Bogotá, Colombia
- Laboratorio de Ecología Funcional, Unidad de Ecología y Sistemática (UNESIS), Depto. Biología, Pontificia Universidad Javeriana, Bogotá, Colombia
| | | | - Jairo Pérez-Torres
- Laboratorio de Ecología Funcional, Unidad de Ecología y Sistemática (UNESIS), Depto. Biología, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Diego A. Zárrate-Charry
- Proyecto de Conservación de Aguas y Tierras – ProCAT Colombia, Bogotá, Colombia
- WWF Colombia, Bogotá, Colombia
| | | | - José F. González-Maya
- Proyecto de Conservación de Aguas y Tierras – ProCAT Colombia, Bogotá, Colombia
- Departamento de Ciencias Ambientales, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana Unidad Lerma, Lerma de Villada, Estado de México, México
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Bravo D, Quiroga-Mateus R, López-Casallas M, Torres S, Contreras R, Otero ACM, Araujo-Carrillo GA, González-Orozco CE. Assessing the cadmium content of cacao crops in Arauca, Colombia. Environ Monit Assess 2024; 196:387. [PMID: 38509267 PMCID: PMC10954870 DOI: 10.1007/s10661-024-12539-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 03/08/2024] [Indexed: 03/22/2024]
Abstract
The district of Arauca is the second-largest producer of cacao in Colombia. However, despite its quality, it faces issues for export due to levels of cadmium (Cd) higher than the regulatory thresholds. A central question is how it may impact agricultural performance in the presence of Cd in cacao and chocolates. This study quantified Cd in cacao plantations from Arauca. Thus, 180 farms were assessed in the municipalities of Arauquita, Fortul, Saravena, and Tame. Five sample types (soil, irrigation channel sediment, soil litter, cacao seeds, and chocolates) were assessed for Cd. As a technological innovation, the new MXRF technology was used for Cd in chocolates. The sequence of Cd content was soil litter > chocolate > soils > cacao seeds > irrigation-channel sediment. A gradient north-south of Cd content in soil was observed, where highest content was found in farms near the Arauca River, and lower farther away. In irrigation channel sediment, Cd levels averaged 0.07 mg kg-1. The Cd content in cacao seeds was 0.78 mg kg-1 on average. Cd content in chocolates was above the threshold (1.10 mg kg-1 on average, including several cacao mass percentages). These artisanal chocolate bars produced by single farms were near the limit of Cd set by the European Union (up to 0.8 mg kg-1). Therefore, mixing beans from different farms could reduce their Cd content. The present study underscores the complexity of Cd distribution, emphasizing the importance of integrating soil, crop, and landscape features in managing and mitigating Cd levels in cacao.
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Affiliation(s)
- Daniel Bravo
- Laboratory of Soil Microbiology and Calorimetry, Centro de Investigación Tibaitatá, Corporación Colombiana de Investigación Agropecuaria (AGROSAVIA), Km 14 Vía Bogotá-Mosquera, Cundinamarca, Colombia.
| | - Ruth Quiroga-Mateus
- Laboratory of Soil Microbiology and Calorimetry, Centro de Investigación Tibaitatá, Corporación Colombiana de Investigación Agropecuaria (AGROSAVIA), Km 14 Vía Bogotá-Mosquera, Cundinamarca, Colombia
| | - Marcela López-Casallas
- Centro de Investigación La Libertad, Corporación Colombiana de Investigación Agropecuaria (AGROSAVIA), Km 17 Vía Puerto López, Villavicencio, Meta, Colombia
| | - Shirley Torres
- Centro de Investigación La Libertad, Corporación Colombiana de Investigación Agropecuaria (AGROSAVIA), Km 17 Vía Puerto López, Villavicencio, Meta, Colombia
| | - Ramiro Contreras
- Centro de Investigación La Libertad, Corporación Colombiana de Investigación Agropecuaria (AGROSAVIA), Km 17 Vía Puerto López, Villavicencio, Meta, Colombia
| | - Andres Camilo Mendez Otero
- Centro de Investigación La Libertad, Corporación Colombiana de Investigación Agropecuaria (AGROSAVIA), Km 17 Vía Puerto López, Villavicencio, Meta, Colombia
| | - Gustavo A Araujo-Carrillo
- Centro de Investigación Tibaitatá, Corporación Colombiana de Investigación Agropecuaria (AGROSAVIA), Km 14 Vía Bogotá-Mosquera, Cundinamarca, Colombia
| | - Carlos E González-Orozco
- Centro de Investigación La Libertad, Corporación Colombiana de Investigación Agropecuaria (AGROSAVIA), Km 17 Vía Puerto López, Villavicencio, Meta, Colombia
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Sancken CL, Tannis A, Amouzou SA, Burkel V, Carlson JM, Newton S, Gilboa SM, Gonzalez M, Valencia D, Tong VT, Ospina M. Zika virus prevention behaviors and knowledge among male partners of pregnant people and lack of condom use as a prevention behavior from the Zika en Embarazadas y Niños (ZEN) prospective cohort study, Colombia. BMC Res Notes 2024; 17:87. [PMID: 38515162 PMCID: PMC10956169 DOI: 10.1186/s13104-024-06702-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 01/23/2024] [Indexed: 03/23/2024] Open
Abstract
OBJECTIVE Zika virus (ZIKV) infection in pregnancy can cause brain and eye abnormalities and neurodevelopmental sequelae. In the absence of medical countermeasures, behavioral interventions were recommended to prevent mosquito bites and sexual transmission of ZIKV. This report uses data from the Zika en Embarazadas y Niños (ZEN) prospective cohort study in Colombia to describe the knowledge, attitudes, and behaviors (KAB) related to ZIKV prevention in male partners compared to those of their pregnant partners at study enrollment during February 2017-2018. RESULTS Most male partners reported wearing protective clothing such as long pants (97.6%) and long sleeves (72.8%), as well as covering ankles and feet (89.1%) to prevent ZIKV infection. When comparing the preventive behavior of condom use between male and pregnant partners, 26 pairs (10.0%) both responded that they performed the behavior. Overall, 25.1% of male partners and 18.9% of pregnant people reported any condom use during the three months before enrolling in ZEN. When comparing other preventive behaviors between male and pregnant partners, the behavior which was most frequently reported by both partners was wearing long pants (85.4%), and the least frequently reported by both partners was using condoms after finding out about a partner's pregnancy (3.4%).
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Affiliation(s)
| | - Ayzsa Tannis
- Eagle Global Scientific, LLC, San Antonio, TX, USA
| | - Sandra A Amouzou
- Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | | | | | - Suzanne Newton
- U.S. Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Suzanne M Gilboa
- U.S. Centers for Disease Control and Prevention, Atlanta, GA, USA
| | | | - Diana Valencia
- U.S. Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Van T Tong
- U.S. Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Martha Ospina
- Instituto Nacional de Salud de Colombia, Bogotá, Colombia
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Ladino Marín PC, Prada Penagos R. [Analysis of journalistic framing during the Covid-19 pandemic in Colombia's leading newspapers: El Tiempo and El Espectador]. Salud Colect 2024; 20:e4593. [PMID: 38498678 DOI: 10.18294/sc.2024.4593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 03/04/2024] [Indexed: 03/20/2024] Open
Abstract
This study presents a content analysis of headlines featured on the front pages of Colombia's two most prominent newspapers during the COVID-19 health emergency. The objective was to examine the framing strategies employed by El Tiempo and El Espectador during their journalistic coverage of the initial phase of the pandemic. Criteria for analysis included informational tone, thematic approaches, grammatical structures in the headlines, information sources, coverage scope, and media perspective. Regarding interpretative frameworks, both newspapers predominantly adopted a negative approach towards the crisis and the structural impact the pandemic had on the country, especially within a context marked by uncertainty and tension. Primary themes were associated with economic and social aspects. The most prominent terms in the headlines during this period were linked to the pandemic, Covid-19, and the virus, concepts that consistently maintained a significant presence in the media agenda of the studied outlets.
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Affiliation(s)
- Paola Consuelo Ladino Marín
- Doctora en Educación. Docente Investigadora, Facultad de Arte, Comunicación y Cultura, Universitaria Agustiniana, Bogotá, Colombia
| | - Rodolfo Prada Penagos
- Doctor en Ciencia de la Comunicación. Docente Investigador, Facultad de Arte, Comunicación y Cultura, Universitaria Agustiniana, Bogotá, Colombia
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McDermid P, Blazek K, Mougin N, Thomson A, Seale H. Attitudes and behaviors of maternal Tdap vaccination in Panama, Peru, and Colombia: An international cross-sectional study. Vaccine 2024; 42:1698-1703. [PMID: 38355320 DOI: 10.1016/j.vaccine.2024.01.106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 01/24/2024] [Accepted: 01/31/2024] [Indexed: 02/16/2024]
Abstract
INTRODUCTION Despite a recommendation by PAHO for Tdap vaccination in pregnant women since 2019, uptake remains suboptimal across Latin America. This study evaluated the knowledge and attitudes of women towards maternal Tdap vaccination in Colombia, Peru, and Panama to identify the critical behavioral and social drivers of Tdap vaccine uptake during pregnancy. METHODS A cross-sectional online survey was undertaken between December 8, 2022, and January 11, 2023, targeting women in Colombia, Peru, or Panama with a child 12 months or under. We collected data on respondents' demographics, social and behavioral determinants of vaccine acceptance, determinants of vaccine uptake (using the validated 5As taxonomy), and previous vaccination experience. RESULTS In the 938 respondents who completed the survey (Panama, n = 325; Peru, n = 305; Colombia, n = 308), 73-80 % had received the influenza vaccine, whereas only 30-39 % had received a Tdap vaccine. Significant correlates of Tdap vaccine uptake common to all three countries included a health professional recommendation, knowledge of the vaccine and location of vaccination, perceived vulnerability to pertussis infection, perceived importance of immunization, and receipt of a reminder. In specific countries, nonvaccinated women were more likely to cite issues with ease of access (Panama, Colombia), affordability (opportunity costs; Peru, Colombia), and understanding the rationale for vaccination in pregnancy (Panama, Colombia). CONCLUSION To increase maternal Tdap vaccine uptake, health professionals should be encouraged to recommend vaccination consistently, and pregnant women should receive reminders explaining why and where to be vaccinated.
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Affiliation(s)
- Pippa McDermid
- School of Population Health, Faculty of Medicine and Health, University of New South Wales, New South Wales, Australia
| | - Katrina Blazek
- School of Population Health, Faculty of Medicine and Health, University of New South Wales, New South Wales, Australia
| | | | - Angus Thomson
- Irimi Company, Lyon, France; Department of Communication Studies & Global Health Communication Center, Indiana University School of Liberal Arts at IUPUI, USA
| | - Holly Seale
- School of Population Health, Faculty of Medicine and Health, University of New South Wales, New South Wales, Australia.
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Paz A, Pardo-Díaz C. Female researchers are under-represented in the Colombian science infrastructure. PLoS One 2024; 19:e0298964. [PMID: 38446764 PMCID: PMC10917253 DOI: 10.1371/journal.pone.0298964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 01/30/2024] [Indexed: 03/08/2024] Open
Abstract
Worldwide women have increased their participation in STEM, but we are still far from reaching gender parity. Although progress can be seen at the bachelor's and master's level, career advancement of women in research still faces substantial challenges leading to a 'leaky pipeline' phenomenon (i.e., the continuous decrease of women's participation at advanced career stages). Latin America exhibits encouraging rates of women participation in research, but the panorama varies across countries and stages in the academic ladder. This study focuses on women's participation in research in natural sciences in Colombia and investigates career progression, leadership roles, and funding rates by analyzing data on scholarships, grants, rankings, and academic positions. Overall, we found persistent gender imbalances throughout the research ecosystem that were significant using classical statistical analyses. First, although women constitute >50% graduates from bachelors in natural sciences, <40% of researchers in this field are female. Second, women win <30% of research grants, and in turn, their scientific productivity is 2X lower than that of men. Third, because of the less research funding and output women have, their promotion to senior positions in academic and research rankings is slower. In consequence, only ~25% of senior researchers and full professors are women. Fourth, the proportion of women leading research groups and mentoring young scientist in Colombia is <30%. Our study deepens our understanding of gender gaps in STEM research in Colombia, and provides information to design initiatives that effectively target gender disparities by focusing on key areas of intervention, and then gradually building up, rather than tackling structural inequities all at once.
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Affiliation(s)
- Andrea Paz
- Department of Environmental Systems Science, Institute of Integrative Biology, ETH Zürich, Zürich, Switzerland
- Département de Sciences Biologiques, Université de Montréal, Montréal, Canada
| | - Carolina Pardo-Díaz
- Department of Biology, Faculty of Natural Sciences, Universidad del Rosario, Bogotá, Colombia
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Londoño-Velasco E, Asencio-Santofimio H, Ortega-Avila JG, Rosero-Caldón AB, Aristizabal-Grisales JC, Rey-Henao L, Vargas-Rivera JA, Vergara-Escudero E. Assessment of buccal mucosa genotoxicity in insecticide-exposed urban fumigators in Cali, Colombia. Int J Occup Med Environ Health 2024; 37:128-137. [PMID: 38264916 PMCID: PMC10959277 DOI: 10.13075/ijomeh.1896.02292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 12/20/2023] [Indexed: 01/25/2024] Open
Abstract
OBJECTIVES This study aimed to evaluate cytogenetic damage in the buccal mucosa of non-exposed subjects (N = 33) and insecticide-exposed fumigators (N = 31) in the urban area of Cali, Colombia. MATERIAL AND METHODS Through a questionnaire sociodemographic data, anthropometric measurements, state of health, and lifestyle were collected. Buccal micronucleus cytome (BMCyt) assay was using for evaluate cytogenetic damage. RESULTS The study showed that all fumigators used adequate personal protective equipment (PPE) and had low alcohol consumption. The authors did not find significant differences in BMCyt biomarkers between the groups (p > 0.05). Multivariate analysis showed a 13% increase in micronucleus (MN) frequency for every year of increasing age (OR = 1.13, p = 0.029), and higher MN with the decrease in daily fruit consumption (OR = 4.71, p = 0.084), without statistical significance. CONCLUSIONS The results between groups could be related to healthy habits and PPE use among the subjects. Int J Occup Med Environ Health. 2024;37(1):128-37.
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Affiliation(s)
- Elizabeth Londoño-Velasco
- Pontificia Universidad Javeriana Cali, Faculty of Health Sciences, Department of Basic Health Sciences, Cali, Colombia
| | - Helberg Asencio-Santofimio
- Pontificia Universidad Javeriana Cali, Faculty of Health Sciences, Department of Basic Health Sciences, Cali, Colombia
| | - Jose Guillermo Ortega-Avila
- Pontificia Universidad Javeriana Cali, Faculty of Health Sciences, Department of Basic Health Sciences, Cali, Colombia
| | - Aldair Beryery Rosero-Caldón
- Pontificia Universidad Javeriana Cali, Faculty of Health Sciences, Department of Basic Health Sciences, Cali, Colombia
| | | | - Laura Rey-Henao
- Pontificia Universidad Javeriana Cali, Faculty of Health Sciences, Department of Basic Health Sciences, Cali, Colombia
| | - Jairo Andres Vargas-Rivera
- Pontificia Universidad Javeriana Cali, Faculty of Health Sciences, Department of Basic Health Sciences, Cali, Colombia
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Ávila León JL, Rivero CR, Guerrero Serrano L, Alviar JD, Rodríguez MA, Arocha AM, Pineda GG. Immediate Results of the Use of Split-Thickness Skin Autografts With and Without Acellular Dermal Matrix in Patients with Burns: A Comparative Study in a Colombian Population. J Burn Care Res 2024; 45:348-355. [PMID: 37668065 DOI: 10.1093/jbcr/irad131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Indexed: 09/06/2023]
Abstract
Dermal substitutes have become fundamental tools for covering skin defects, most recently with biological subtypes such as glycerolized acellular dermal matrix (GADM). However, literature regarding this matter is scarce in Latin America and Colombia. In this descriptive observational study, we compared the use of partial skin autografts (PSA) combined with GADM and autografts without GADM. Patients were selected from the burn unit of a hospital in northeastern Colombia between 2021 and 2022. Two study groups were defined: one receiving GADM plus PSA and the other control receiving only a partial split-thickness autograft. A total of 29 patients with 68 body areas were included, with an average age of 20 years. Most cases involved third-degree burns caused by flame. Hospitalization time was the same for both groups (41 days). The percentage of grafts taken was similar in both groups; in the GADM with autografts group, it was 94.7% compared with 96% in the control group. The presence of complications was similar in both groups. GADM produced in local tissue banks is a cost-effective alternative. It can be used in a single surgical procedure without increasing complications, providing a postsurgical course similar to autografts alone. Granting the potential long-term benefits that dermal matrices give for healing in these patients, which should be evaluated in subsequent studies.
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Affiliation(s)
- Jorge Luis Ávila León
- Industrial University of Santander, Plastic Surgery Department, Bucaramanga, Santander, 680001, Colombia
| | - Carlos Ramírez Rivero
- Industrial University of Santander, Plastic Surgery Department, Bucaramanga, Santander, 680001, Colombia
| | - Linda Guerrero Serrano
- District Institute of Science, Biotechnology, and Innovation in Health (IDCBIS), Bogota, 110110, Colombia
| | - Juan Darío Alviar
- Industrial University of Santander, Plastic Surgery Department, Bucaramanga, Santander, 680001, Colombia
| | - María Angélica Rodríguez
- Hospital Universitario de Santander, Plastic Surgery Department, Bucaramanga, Santander, 680001, Colombia
| | | | - German Gómez Pineda
- Hospital Universitario de Santander, Plastic Surgery Department, Bucaramanga, Santander, 680001, Colombia
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Herrera-Rocha F, León-Inga AM, Aguirre Mejía JL, Rodríguez-López CM, Chica MJ, Wessjohann LA, González Barrios AF, Cala MP, Fernández-Niño M. Bioactive and flavor compounds in cocoa liquor and their traceability over the major steps of cocoa post-harvesting processes. Food Chem 2024; 435:137529. [PMID: 37769563 DOI: 10.1016/j.foodchem.2023.137529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/14/2023] [Accepted: 09/16/2023] [Indexed: 10/03/2023]
Abstract
The production of fine-flavor cocoa represents a promising avenue to enhance socioeconomic development in Colombia and Latin America. Premium chocolate is obtained through a post-harvesting process, which relies on semi-standardized techniques. The change in the metabolic profile during cocoa processing considerably impacts flavor and nutraceutical properties of the final product. Understanding this impact considering both volatiles and non-volatile compounds is crucial for process and product re-engineering of cocoa post-harvesting. Consequently, this work studied the metabolic composition of cocoa liquor by untargeted metabolomics and lipidomics. This approach offered a comprehensive view of cocoa biochemistry, considering compounds associated with bioactivity and flavor in cocoa liquor. Their variations were traced back over the cocoa processing (i.e., drying, and roasting), highlighting their impact on flavor development and the nutraceutical properties. These results represent the basis for future studies aimed to re-engineer cocoa post-harvesting considering the variation of key flavor and bioactive compounds over processing.
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Affiliation(s)
- Fabio Herrera-Rocha
- Grupo de Diseño de Productos y Procesos (GDPP), Departamento de Ingeniería Química y de Alimentos, Universidad de los Andes, Bogotá 111711, Colombia
| | - Ana M León-Inga
- MetCore - Metabolomics Core Facility, Vice-Presidency for Research, Universidad de los Andes, Bogotá 111711, Colombia
| | | | | | | | - Ludger A Wessjohann
- Leibniz-Institute of Plant Biochemistry, Department of Bioorganic Chemistry, Weinberg 3, D-06120 Halle, Germany
| | - Andrés Fernando González Barrios
- Grupo de Diseño de Productos y Procesos (GDPP), Departamento de Ingeniería Química y de Alimentos, Universidad de los Andes, Bogotá 111711, Colombia
| | - Mónica P Cala
- MetCore - Metabolomics Core Facility, Vice-Presidency for Research, Universidad de los Andes, Bogotá 111711, Colombia.
| | - Miguel Fernández-Niño
- Leibniz-Institute of Plant Biochemistry, Department of Bioorganic Chemistry, Weinberg 3, D-06120 Halle, Germany.
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Vergara CI, Solymosi R. Correlates of Client-Perpetrated Violence Against Female Sex Workers in Bogotá. Violence Against Women 2024; 30:743-767. [PMID: 36482734 PMCID: PMC10854203 DOI: 10.1177/10778012221142919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2023]
Abstract
This paper aims to estimate the prevalence of client-perpetrated violence against female sex workers (FSWs) in Bogotá and to understand what structural and environmental factors are associated with such victimization. The project used secondary data from interviews with 2,684 FSWs. Multivariable binary logistic regression was used to test for associations with client-perpetrated violence. Findings reveal that factors such as experiencing police harassment and social stigma were positively associated with client-perpetrated violence. Situational factors such as providing services in motels, hotels, on the street, and in cars were also associated with increased odds of becoming a victim of violence.
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Affiliation(s)
| | - Reka Solymosi
- Department of Criminology, University of Manchester, Manchester, UK
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Tibaduiza MF, Berbeo YK, Ton CM, Aguirre-Acevedo DC, Sanclemente G. Responsiveness of the Colombian Spanish Version of the DLQI in Psoriasis Patients With Biologic Therapy. Actas Dermosifiliogr 2024; 115:316-320. [PMID: 37871895 DOI: 10.1016/j.ad.2023.06.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 06/25/2023] [Indexed: 10/25/2023] Open
Affiliation(s)
- M F Tibaduiza
- Group of Investigative Dermatology (GRID), School of Medicine, University of Antioquia, Medellin, Colombia
| | - Y K Berbeo
- Group of Investigative Dermatology (GRID), School of Medicine, University of Antioquia, Medellin, Colombia
| | - C M Ton
- School of Medicine, University of Antioquia, Medellin, Colombia
| | - D C Aguirre-Acevedo
- Group of Investigative Dermatology (GRID), School of Medicine, University of Antioquia, Medellin, Colombia
| | - G Sanclemente
- Group of Investigative Dermatology (GRID), School of Medicine, University of Antioquia, Medellin, Colombia; Hospital San Vicente Fundación, Medellin, Colombia; Hospital Alma Máter de Antioquia, IPS Universitaria, University of Antioquia, Medellin, Colombia.
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Pineda-Roa CA, Campo-Arias A, Bello-Villanueva AM. Beck Hopelessness Scale-20: Dimensionality and Nomological Validity Among Colombian School-Age Adolescents. Eval Health Prof 2024; 47:21-26. [PMID: 37148268 DOI: 10.1177/01632787231174479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
To establish the validity of the BHS-20, a sample of 2064 adolescent students aged 14 and 17 years (M = 15.61, SD = 1.05) were invited to participate in the research. Cronbach's alpha (α) and McDonald's omega (ω) were computed to evaluate the internal consistency. Confirmatory factor analysis was used to test the dimensionality of the BHS-20. The Spearman correlation (rs) with depressive symptoms and risk of suicide scores of the Plutchik Suicide Risk Scale were computed to explore the nomological validity. The BHS-20 showed a high internal consistency (α = .81, ω = .93), an adequate one-dimensional structure with an excellent adjustment [χ2 S-B = 341, df = 170, p < .01, Comparative Fit Index = .99, RMSEA = .03] and acceptable nomological validity with depressive symptoms (rs = .47, p < .01) and scores for suicide risk (rs = .33, p < .01). In conclusion, current results suggest that the BHS-20 demonstrates validity and reliability among Colombian adolescent students.
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Negret PJ, Venegas R, Sonter LJ, Possingham HP, Maron M. Conservation planning for retention, not just protection. Glob Chang Biol 2024; 30:e17211. [PMID: 38439736 DOI: 10.1111/gcb.17211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 02/01/2024] [Accepted: 02/11/2024] [Indexed: 03/06/2024]
Abstract
Most protected area (PA) planning aims to improve biota representation within the PA system, but this does not necessarily achieve the best outcomes for biota retention across regions when we also consider habitat loss in areas outside the PA system. Here, we assess the implications that different PA expansion strategies can have on the retention of species habitat across an entire region. Using retention of forest habitat for Colombia's 550 forest-dependent bird species as our outcome variable, we found that when a minimum of 30% of each species' habitat was included in the PA system, a pattern of PA expansion targeting areas at highest deforestation risk (risk-prevention) led to the retention, on average, of 7.2% more forest habitat per species by 2050 than did a pattern that targeted areas at lowest risk (risk-avoidance). The risk-prevention approach cost more per km2 of land conserved, but it was more cost-effective in retaining habitat in the landscape (50%-69% lower cost per km2 of avoided deforestation). To have the same effectiveness preventing habitat loss in Colombia, the risk-avoidance approach would require more than twice as much protected area, costing three times more in the process. Protected area expansion should focus on the contributions of PAs to outcomes not only within PA systems themselves, but across entire regions.
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Affiliation(s)
- Pablo Jose Negret
- Centre for Development and Environment, Institute of Geography, Wyss Academy for Nature, University of Bern, Bern, Switzerland
- School of the Environment, The University of Queensland, Saint Lucia, Queensland, Australia
- Centre for Biodiversity and Conservation Science, The University of Queensland, Saint Lucia, Queensland, Australia
| | - Ruben Venegas
- School of the Environment, The University of Queensland, Saint Lucia, Queensland, Australia
- Centre for Biodiversity and Conservation Science, The University of Queensland, Saint Lucia, Queensland, Australia
| | - Laura J Sonter
- School of the Environment, The University of Queensland, Saint Lucia, Queensland, Australia
- Centre for Biodiversity and Conservation Science, The University of Queensland, Saint Lucia, Queensland, Australia
| | - Hugh P Possingham
- School of the Environment, The University of Queensland, Saint Lucia, Queensland, Australia
- Centre for Biodiversity and Conservation Science, The University of Queensland, Saint Lucia, Queensland, Australia
| | - Martine Maron
- School of the Environment, The University of Queensland, Saint Lucia, Queensland, Australia
- Centre for Biodiversity and Conservation Science, The University of Queensland, Saint Lucia, Queensland, Australia
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Sanchez-Cespedes LM, Leasure DR, Tejedor-Garavito N, Amaya Cruz GH, Garcia Velez GA, Mendoza AE, Marín Salazar YA, Esch T, Tatem AJ, Ospina Bohórquez M. Social cartography and satellite-derived building coverage for post-census population estimates in difficult-to-access regions of Colombia. Popul Stud (Camb) 2024; 78:3-20. [PMID: 36977422 DOI: 10.1080/00324728.2023.2190151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 11/22/2022] [Indexed: 03/30/2023]
Abstract
Effective government services rely on accurate population numbers to allocate resources. In Colombia and globally, census enumeration is challenging in remote regions and where armed conflict is occurring. During census preparations, the Colombian National Administrative Department of Statistics conducted social cartography workshops, where community representatives estimated numbers of dwellings and people throughout their regions. We repurposed this information, combining it with remotely sensed buildings data and other geospatial data. To estimate building counts and population sizes, we developed hierarchical Bayesian models, trained using nearby full-coverage census enumerations and assessed using 10-fold cross-validation. We compared models to assess the relative contributions of community knowledge, remotely sensed buildings, and their combination to model fit. The Community model was unbiased but imprecise; the Satellite model was more precise but biased; and the Combination model was best for overall accuracy. Results reaffirmed the power of remotely sensed buildings data for population estimation and highlighted the value of incorporating local knowledge.
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Affiliation(s)
| | - Douglas Ryan Leasure
- Leverhulme Centre for Demographic Science, University of Oxford
- WorldPop, University of Southampton
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Romero-Acosta K, Lipps GE, Lowe GA, Gibson R, Ramirez-Giraldo A. The Validation of the Kutcher Adolescent Depression 6-Item Scale in a Sample of Colombian Preadolescents and Adolescents. Eval Health Prof 2024; 47:27-31. [PMID: 37186570 DOI: 10.1177/01632787231175931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Against the background of a lack of screening instruments for measuring depressive symptoms in Colombian adolescents and preadolescents, this study aims to establish the internal consistency reliability, component structure and the concurrent and discriminant validity of the Kutcher Adolescent Depression Six-Item Scale (KADS-6) among preadolescent school students in Sincelejo, Colombia. Participated 710 youth (10.8 years of age ± .75 years) divided into two groups to cross-validate analyses that were undertaken to determine the internal consistency reliability, as well as the concurrent and discriminant validity, of the KADS-6 among preadolescents. Results show that over 95% of the sample did not report problems understanding any of the items on the KADS-6. The KADS-6 had acceptable levels of internal consistency reliability, concurrent and discriminant validity and was unidimensional. In conclusion, The KADS-6 is well understood by Colombian preadolescents and has adequate psychometric properties in adolescents, rendering it acceptable for use with Colombian preadolescents.
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Affiliation(s)
- Kelly Romero-Acosta
- Department of Psychological Research, Corporación Universitaria del Caribe CECAR, Sincelejo, Colombia
| | - Garth E Lipps
- Department of Sociology, Psychology and Social Work, The University of the West Indies - Mona, Kingston, Jamaica
| | - Gillian A Lowe
- Department of Community Health and Psychiatry, The University of the West Indies - Mona, Kingston, Jamaica
| | - Roger Gibson
- Department of Community Health and Psychiatry, The University of the West Indies - Mona, Kingston, Jamaica
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Quiroz JNC, Villalobos JSG, Pereira JCT. Efficacy and Safety of Mycophenolate Mofetil In De Novo Renal Transplantation in a Retrospective Cohort of Transplant Recipients in Colombia-Esmitren Study. Transplant Proc 2024; 56:297-305. [PMID: 38395659 DOI: 10.1016/j.transproceed.2023.12.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/21/2023] [Accepted: 12/28/2023] [Indexed: 02/25/2024]
Abstract
BACKGROUND To describe and establish the efficacy and safety of Mycophenolate Mofetil (Micoflavin) in patients with de novo renal transplantation during one-year post-transplant follow-up. As secondary objectives, the behavior of mycophenolic acid (MPA) C0 levels in this population, the relationship between MPA levels and renal function of the grafts, the incidence of acute rejection, and the incidence of adverse effects were evaluated. METHODS A prospective cohort study was conducted on patients who received a first kidney transplant from a deceased donor between March 1, 2021, and February 28, 2022, at the Alma Mater of Antioquia Hospital of the Antioquia's University, in Medellín, Colombia. MPA C0 levels were taken from the patients on days 15, 30, 90, 180, and 360 after the kidney transplantation. RESULTS Patients presented MPA therapeutic levels in the study. The average of the MPA levels in the population was 2.5 µg/mL, with an IQR of 2.13 to 3.32. There were 5 acute rejections (27%), but none of the patients with acute rejection presented subtherapeutic levels of mycophenolate. No significant relationship was observed between mycophenolic acid levels and rejection (P = .255). The patients who completed the study had no gastrointestinal intolerance to mycophenolate, cytomegalovirus infections, or significant hematological complications. CONCLUSIONS MMF (Micoflavin) maintained mycophenolic acid levels C0 within the therapeutic range, was well tolerated and without the presence of significant adverse events, and maintained stable renal function throughout the follow-up period in the population studied.
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Affiliation(s)
- Jose Nelson Carvajal Quiroz
- Department of Internal Medicine, Faculty of Medicine, University of Antioquia, Medellín, Colombia; Alma Mater of Antioquia Hospital of the Antioquia's University, Medellín, Colombia.
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González LMP, Del Pilar Ureña M, Andrade D, Vergara-Escobar OJ, Palacios C, Camargo-Figuera FA. Validation of an instrument to measure knowledge, attitudes and skills towards Evidence-Based Practice in nursing students in Colombia. Nurse Educ Pract 2024; 76:103904. [PMID: 38402831 DOI: 10.1016/j.nepr.2024.103904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 01/15/2024] [Accepted: 01/20/2024] [Indexed: 02/27/2024]
Abstract
BACKGOUND Evidence-Based Practice (EBP) is crucial for the nursing profession, as it helps professionals make informed clinical decisions based on the best available evidence. Most EBP competency assessment tools focus on specific technical knowledge or skill components, and most have been tested on medical students. The Evidence-Based Practice Competence Questionnaire (EBP-COQ-E) is an instrument that assesses the competence in EBP in nursing students. The objective of the article was to evaluate the psychometric properties of the EBP-COQ-E instrument in final year nursing students in Colombia. DESIGN A validation study was conducted using a cross-sectional design. METHODS The population included nursing students from 19 programs in Colombia, who were selected during the years 2020 and 2021 based on their university enrollment in the last year of training in nursing programs with current qualified registration by the Ministry of Education and who had attended the least one subject related to research. The data were collected through a virtual platform and the researchers consolidated it into a general database. The EBP-COQ-E instrument consists of 25 items grouped into three factors: attitude towards EBP, skills for EBP and knowledge about EBP. The items were answered on a Likert-type scale from 1 to 5. An exploratory factor analysis was performed and an internal consistency analysis of the instrument. RESULTS A total of 1021 final year students from 19 university nursing programs participated, with a mean age of 23 years and where 83% identified themselves as female. The results showed good internal consistency and construct validity for the instrument, with a Cronbach's alpha of 0.89. In the exploratory factor analysis, 3 factors were found that explained 51% of the variance of the data. Together these three factors had statistically significant positive correlations. CONCLUSION The study contributes to the validation of the Evidence-Based Practice Competence Questionnaire (EBP-COQ-E) which is a valid and reliable tool to assess knowledge, attitudes and skills in EBP in nursing students in the Colombian context. Training in EBP is crucial to guarantee the quality of performance of future professionals in care practice and the EBP-COQ-E can be useful and applicable where it is necessary to evaluate this competence in training processes.
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Affiliation(s)
| | | | - David Andrade
- Fundación Universitaria de Ciencias de la Salud FUCS, Bogotá, Colombia
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Montañez-Reyes AT, Sajo-Bohus L, Martinez-Ovalle SA. Radon activity concentration RnCA and workers lung cancer risks in SENA coal mines, Colombia. Appl Radiat Isot 2024; 205:111158. [PMID: 38159450 DOI: 10.1016/j.apradiso.2023.111158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 11/07/2023] [Accepted: 12/19/2023] [Indexed: 01/03/2024]
Abstract
The risk of lung cancer or pneumoconiosis mortality, increases with radioactive radon gas exposures. This article report health risk for underground workers exposed to radioactive gas and radon daughters carried by airborne dust at the coal mining in the Central Mountainous Region of Colombia. A set of 33 measurement points located in that mine galleries were selected to monitor radon gas concentration activity, by passive LR-115 detectors, during two months. Resulting values provided radon concentrations, absorbed dose, environmental equivalent dose and the effective dose; miners increased risk of contracting lung cancer is included. It is concluded that the mine ventilation system satisfies the conditions required by the current radiological protection of the miners. Our study point out that Colombia can effectively address the potential risks associated with radon exposure and ensure a safer living environment for its citizens.
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Affiliation(s)
- A T Montañez-Reyes
- Universidad Pedagógica y Tecnológica de Colombia, Tunja, Boyacá, Colombia, CP 150003
| | - L Sajo-Bohus
- Universidad Simón Bolívar, Baruta Ap.do 89000, Caracas, Venezuela YV-1080A; Alba Regia Technical Faculty, Óbuda University, 8000 Szekesfehervar, Hungary
| | - S A Martinez-Ovalle
- Universidad Pedagógica y Tecnológica de Colombia, Tunja, Boyacá, Colombia, CP 150003; Centro de Cancerología de Boyacá, Tunja, Boyacá, Colombia, CP 150003.
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Ali A, García E, Torres-Duque CA, Rey D, Botero L, Saenz S, Avila MP, Mazo E, Londoño S. Cost-effectiveness analysis of dupilumab versus omalizumab, mepolizumab, and benralizumab added to the standard of care in adults with severe asthma in Colombia. Expert Rev Pharmacoecon Outcomes Res 2024; 24:361-374. [PMID: 37994432 DOI: 10.1080/14737167.2023.2282668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 11/04/2023] [Indexed: 11/24/2023]
Abstract
BACKGROUND Cost-effectiveness studies evaluate health technologies and help choose treatments. The current study compared dupilumab to omalizumab, mepolizumab, and benralizumab in Colombian adults with severe uncontrolled type 2 asthma. METHODS Over a 5-year period, a Markov model was utilized to assess the costs of biological treatments and management of exacerbations, comparing various doses of exacerbations, comparing various doses of dupilumab, omalizumab, mepolizumab, and benralizumab as add-on treatments. It included a 5% annual discount rate per local HTA, and set willingness-to-pay at three times GDP per capita per quality-adjusted life year (QALY) in Colombia. RESULTS Dupilumab (200 mg) exhibited greater QALYs and reduced overall costs compared to mepolizumab (100 mg), benralizumab (30 mg), and omalizumab (450 mg and 600 mg), with the incremental cost-effectiveness ratio (ICER) per QALYgained being -$5.429, -$6.269, -$196.567 and -$991.007, respectively. Dupilumab had greater QALYs and costs versus omalizumab 300 mg (ICERof $200.653 per QALY, above the willingness-to-pay threshold of 3 × GDP per capita). Sensitivity analyses were consistent with base case results. CONCLUSIONS Dupilumab 200 mg was strongly dominant versus omalizumab 450 mg and 600 mg, mepolizumab 100 mg, and benralizumab 30 mg; however, cost-effectiveness was not demonstrated versus omalizumab 300 mg. These results could assist healthcare professionals in choosing an appropriate biologic for treating severe type 2 asthma.
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Affiliation(s)
- Abraham Ali
- Department of Pulmonary Medicine, Fundación Neumológica Colombiana, Bogotá, Colombia
| | - Elizabeth García
- Department of allergology, Fundación Santa Fe de Bogotá, Otorhinolaryngology Medical-Surgical Unit (UNIMEQ-ORL), Bogotá, Colombia
| | | | - Diana Rey
- Department of Pulmonary Medicine, Fundación Cardiovascular de Colombia, Hospital Internacional de Colombia, Bucaramanga, Colombia
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Valbuena MC, Bravo C, Rolón-Cadena MC. [Translated article] Fixed Sunlight Eruption: A Series of 13 Cases in Bogotá, Colombia. Actas Dermosifiliogr 2024; 115:T288-T292. [PMID: 38219907 DOI: 10.1016/j.ad.2024.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 04/02/2023] [Indexed: 01/16/2024] Open
Abstract
Few reports describing an association between UV radiation and fixed skin eruptions have been published since 1975. These reactions have received various names, including fixed sunlight eruption, fixed exanthema due to UV radiation, and broad-spectrum abnormal localized photosensitivity syndrome. We present a series of 13 patients (4 men [30.8%] and 9 women [69.2%]) aged between 28 and 56 years who were evaluated for fixed eruptions induced by UV radiation at a dermatology referral hospital in Bogotá, Colombia. The lesions were located on the inner thighs, buttocks, popliteal region, anterior and posterior axilla, and dorsum of the feet. Photoprovocation reproduced lesions in all the affected areas, and histopathology showed changes similar to those seen in fixed drug eruptions. While these UV-provoked reactions may be a type of fixed skin eruption, we cannot rule out that they may also be a distinct condition that simply shares a pathogenic mechanism with fixed eruptions.
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Affiliation(s)
- M C Valbuena
- Dermatologist, Hospital Universitario Centro Dermatológico Federico Lleras Acosta, Bogotá, Colombia.
| | - C Bravo
- Dermatology resident, Pontificia Universidad Javeriana, Bogotá, Colombia
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Cagua Ardila YA, Portilla Díaz M, Martínez-Torres J. [Normative values for handgrip strength in Colombian older adults: Estimation by quantile regression]. Semergen 2024; 50:102123. [PMID: 37939524 DOI: 10.1016/j.semerg.2023.102123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 10/04/2023] [Accepted: 10/05/2023] [Indexed: 11/10/2023]
Abstract
INTRODUCTION Handgrip strength is a robust indicator of the biological health of elderly. OBJECTIVE The purpose of this study is twofold: 1) estimate the normative values of absolute and relative handgrip strength, specific to adults over 60 years of age in Colombia, using quantile regression models: 2) compare the normative values of absolute and relative handgrip strength in Colombian older adults with those from different countries. METHODS A cross-sectional analysis of a sample of 5377 older adults. Handgrip strength was evaluated with a TKK 5101 digital dynamometer (Takei Scientific Instruments Co., Ltd., Tokyo, Japan). Relative handgrip strength was estimated by dividing by weight in kilograms. The absolute and relative handgrip strength normative values were estimated through quantile regression models for the percentiles P5, P10, P25, P50, P75, P90 and P95, they were developed independently for each sex; all analyzes were adjusted for the expansion factor. RESULTS Absolute handgrip strength values were considerably higher in men (P50 60-64 years = 32.0 kg, P50 >85 years = 18.0 kg) compared to women (P50 60-65 years = 19.0 kg; P50 >85 years = 12.0 kg), in all age groups. Additionally, as age increases in both sexes, there is a decrease in the values of absolute and relative manual grip strength. CONCLUSIONS The estimated normative values in the Colombian population were generally lower than those reported in other studies around the world. These results could be related with methodologies used variability to evaluate handgrip strength and the estimation methods, which could influence the discrepancies between the different reports.
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Affiliation(s)
- Y A Cagua Ardila
- Universidad de los Llanos. Escuela de Cuidado. Programa de Fisioterapia, Villavicencio, Colombia
| | - M Portilla Díaz
- Universidad de los Llanos. Escuela de Cuidado. Programa de Fisioterapia, Villavicencio, Colombia
| | - J Martínez-Torres
- Universidad de los Llanos. Escuela de Cuidado. Programa de Fisioterapia, Villavicencio, Colombia.
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Sheikh Z, Potter E, Li Y, Drysdale SB, Wildenbeest JG, Robinson H, McGinley J, Lin GL, Öner D, Aerssens J, Justicia-Grande AJ, Martinón-Torres F, Pollard AJ, Bont L, Nair H. External Validation of the Discriminative Validity of the ReSVinet Score and Development of Simplified ReSVinet Scores in Secondary Care. J Infect Dis 2024; 229:S18-S24. [PMID: 37712125 DOI: 10.1093/infdis/jiad388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 09/01/2023] [Accepted: 09/06/2023] [Indexed: 09/16/2023] Open
Abstract
BACKGROUND There is no consensus on how to best quantify disease severity in infants with respiratory syncytial virus (RSV) and/or bronchiolitis; this lack of a sufficiently validated score complicates the provision of clinical care and, the evaluation of trials of therapeutics and vaccines. The ReSVinet score appears to be one of the most promising; however, it is too time consuming to be incorporated into routine clinical care. We aimed to develop and externally validate simplified versions of this score. METHODS Data from a multinational (the Netherlands, Spain, and United Kingdom) multicenter case-control study of infants with RSV were used to develop simplified versions of the ReSVinet score by conducting a grid search to determine the best combination of equally weighted parameters to maximize for the discriminative ability (measured by area under the receiver operating characteristic curve [AUROC]) across a range of outcomes (hospitalization, intensive care unit admission, ventilation requirement). Subsequently discriminative validity of the score for a range of secondary care outcomes was externally validated by secondary analysis of datasets from Rwanda and Colombia. RESULTS Three candidate simplified scores were identified using the development dataset; they were excellent (AUROC >0.9) at discriminating for a range of outcomes, and their performance was not significantly different from the original ReSVinet score despite having fewer parameters. In the external validation datasets, the simplified scores were moderate to excellent (AUROC, 0.7-1) across a range of outcomes. In all outcomes, except in a single dataset for predicting admission to the high-dependency unit, they performed at least as well as the original ReSVinet score. CONCLUSIONS The candidate simplified scores developed require further external validation in larger datasets, ideally from resource-limited settings before any recommendation regarding their use.
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Affiliation(s)
- Zakariya Sheikh
- Edinburgh Medical School, College of Medicine and Veterinary Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Ellie Potter
- Edinburgh Medical School, College of Medicine and Veterinary Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - You Li
- School of Public Health, Nanjing Medical University, Nanjing, China
| | - Simon B Drysdale
- Centre for Neonatal & Paediatric Infection, St George's, University of London, London, United Kingdom
| | - Joanne G Wildenbeest
- Department of Pediatric Infectious Diseases and Immunology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Hannah Robinson
- Oxford Vaccine Group, Department of Paediatrics, University of Oxford and the NIHR Oxford Biomedical Research Centre, Oxford, United Kingdom
| | - Joseph McGinley
- Oxford Vaccine Group, Department of Paediatrics, University of Oxford and the NIHR Oxford Biomedical Research Centre, Oxford, United Kingdom
| | - Gu-Lung Lin
- Oxford Vaccine Group, Department of Paediatrics, University of Oxford and the NIHR Oxford Biomedical Research Centre, Oxford, United Kingdom
| | - Deniz Öner
- Infectious Diseases Translational Biomarkers, Janssen Pharmaceutica, Beerse, Belgium
| | - Jeroen Aerssens
- Infectious Diseases Translational Biomarkers, Janssen Pharmaceutica, Beerse, Belgium
| | - Antonio José Justicia-Grande
- Genetics, Vaccines and Infections Research Group (GENVIP), Instituto de Investigación Sanitaria de Santiago, University of Santiago, Santiago de Compostela, Spain
| | - Federico Martinón-Torres
- Department of Pediatrics, Translational Pediatrics and Infectious Diseases, Pediatrics Department, Hospital Clínico Universitario de Santiago de Compostela, Santiago de Compostela, Spain
| | - Andrew J Pollard
- Oxford Vaccine Group, Department of Paediatrics, University of Oxford and the NIHR Oxford Biomedical Research Centre, Oxford, United Kingdom
| | - Louis Bont
- Department of Pediatric Infectious Diseases and Immunology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Harish Nair
- Usher Institute, College of Medicine and Veterinary Medicine, University of Edinburgh, Edinburgh, United Kingdom
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Molina de Salazar DI, Coca A, Alcocer L, Piskorz D. The Rationale for Using Fixed-Dose Combination Therapy in the Management of Hypertension in Colombia: A Narrative Review. Am J Cardiovasc Drugs 2024; 24:197-209. [PMID: 38489104 PMCID: PMC10972912 DOI: 10.1007/s40256-024-00634-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/29/2024] [Indexed: 03/17/2024]
Abstract
Hypertension is a major risk factor for cardiovascular disease and the leading cause of death in Colombia. While the rate of hypertension awareness in Colombia is generally high, rates of treatment initiation, adherence, and blood pressure (BP) control are suboptimal. Major international hypertension guidelines recommend starting treatment with a combination of antihypertensive agents, and the use of a single-pill combination (SPC) to maximize adherence. In contrast, Colombian hypertension guidelines recommend starting treatment with diuretic monotherapy in most patients, and only initiating combination therapy in those with BP > 160/100 mmHg. Therefore, the aim of the current narrative review is to examine the rationale for using SPCs to treat hypertension in Colombia, in the context of the major issues for BP control there. There is evidence of widespread therapeutic inertia in hypertension management, particularly in primary care, in Colombia. Moreover, combination therapy, angiotensin-converting enzyme inhibitors, and long-acting calcium channel blockers, which are internationally recommended as first-line drug therapies, are underutilized there. Adherence to antihypertensive therapy is low in Colombia and may be enhanced by use of SPCs as well as better patient education and follow-up. While there are promising national initiatives to improve BP management, more needs to be done by individual physicians. Antihypertensive SPCs are available on the national essential medicines list and may help to overcome some of the problems with suboptimal adherence, therapeutic inertia, and low rates of BP control that contribute to the high cardiovascular death rate in Colombia.
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Affiliation(s)
| | - Antonio Coca
- Department of Internal Medicine, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - Luis Alcocer
- Mexican Institute of Cardiovascular Health, Mexico City, Mexico
| | - Daniel Piskorz
- Cardiovascular Research Center and Cardiology Institute, Rosario British Sanatorium, Rosario, Argentina
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47
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Cacua Sánchez MT, Botero AM, Moreno-Mattar O. Cost-effectiveness analysis of intralesional and perilesional recombinant human epidermal growth factor vs hydrocolloid therapy in venous ulcer treatment in the Colombian context. J Vasc Surg Venous Lymphat Disord 2024; 12:101745. [PMID: 38145819 DOI: 10.1016/j.jvsv.2023.101745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 12/09/2023] [Accepted: 12/14/2023] [Indexed: 12/27/2023]
Abstract
OBJECTIVE To perform a comparative analysis of health care expenses and outcomes in response to the question: What is the cost-effectiveness of intralesional and perilesional recombinant human epidermal growth factor (rhEGF) compared with hydrocolloid therapy in patients diagnosed with chronic venous insufficiency without infection in Colombia? METHODS A Markov model was used to determine cost effectiveness over a 5-year period, considering the perspective of the health system in Colombia. The study included patients aged >18 years diagnosed with chronic venous insufficiency and used clinical studies to calculate the probabilities of epithelialization, infection, recurrence, and mortality. RESULTS RhEGF is more expensive per unit than hydrocolloids, but it is proven to be effective at healing ulcers in 8 to 12 weeks, even in complex cases. Hydrocolloids, in contrast, typically require 29.5 weeks on average, and ≤46 weeks for complex cases. Despite the cost, rhEGF is more cost effective because it achieves results comparable with hydrocolloid therapy at a lower cost per additional quality-adjusted life-year. CONCLUSIONS Based on cost-effectiveness analysis, rhEGF is a superior alternative to hydrocolloids for treating venous ulcers in Colombia. Not only is it more affordable, but it also enhances patients' quality of life and streamlines the health care system's resource use.
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Affiliation(s)
- María Teresa Cacua Sánchez
- Health Services, Ambulatory Surgery Center, Hospital Occidente de Kennedy, Vascular Laboratory SURA, Bogotá, Colombia
| | - Ana María Botero
- Vascular Surgeon, Colombian Association for Vascular Surgery, Bogotá, CO
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48
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Tibaduiza MF, Berbeo YK, Ton CM, Aguirre-Acevedo DC, Sanclemente G. Responsiveness of the Colombian Spanish Version of the DLQI in Psoriasis Patients With Biologic Therapy. Actas Dermosifiliogr 2024; 115:T316-T320. [PMID: 38184102 DOI: 10.1016/j.ad.2024.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 06/25/2023] [Indexed: 01/08/2024] Open
Affiliation(s)
- M F Tibaduiza
- Grupo de Investigacion Dermatologica (GRID), Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - Y K Berbeo
- Grupo de Investigacion Dermatologica (GRID), Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - C M Ton
- Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - D C Aguirre-Acevedo
- Grupo de Investigacion Dermatologica (GRID), Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - G Sanclemente
- Grupo de Investigacion Dermatologica (GRID), Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia; Hospital San Vicente Fundación, Medellín, Colombia; Hospital Alma Máter de Antioquía, IPS Universitaria, Universidad de Antioquía, Medellín, Colombia.
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Cardona GI, Escobar MC, Acosta-González A, Díaz-Ruíz N, Niño-García JP, Vasquez Y, Marrugo-Negrete J, Marqués S. Microbial diversity and abundance of Hg related genes from water, sediment and soil the Colombian amazon ecosystems impacted by artisanal and small-scale gold mining. Chemosphere 2024; 352:141348. [PMID: 38340998 DOI: 10.1016/j.chemosphere.2024.141348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/29/2024] [Accepted: 01/30/2024] [Indexed: 02/12/2024]
Abstract
The Amazon region abounds in precious mineral resources including gold, copper, iron, and coltan. Artisanal and small-scale gold mining (ASGM) poses a severe risk in this area due to considerable mercury release into the surrounding ecosystems. Nonetheless, the impact of mercury on both the overall microbiota and the microbial populations involved in mercury transformation is not well understood. In this study we evaluated microbial diversity in samples of soil, sediment and water potentially associated with mercury contamination in two localities (Taraira and Tarapacá) in the Colombian Amazon Forest. To this end, we characterized the bacterial community structure and mercury-related functions in samples from sites with a chronic history of mercury contamination which today have different levels of total mercury content. We also determined mercury bioavailability and mobility in the samples with the highest THg and MeHg levels (up to 43.34 and 0.049 mg kg-1, respectively, in Taraira). Our analysis of mercury speciation showed that the immobile form of mercury predominated in soils and sediments, probably rendering it unavailable to microorganisms. Despite its long-term presence, mercury did not appear to alter the microbial community structure or composition, which was primarily shaped by environmental and physicochemical factors. However, an increase in the relative abundance of merA genes was detected in polluted sediments from Taraira. Several Hg-responsive taxa in soil and sediments were detected in sites with high levels of THg, including members of the Proteobacteria, Acidobacteria, Actinobacteria, Firmicutes and Chloroflexi phyla. The results suggest that mercury contamination at the two locations sampled may select mercury-adapted bacteria carrying the merA gene that could be used in bioremediation processes for the region.
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Affiliation(s)
- Gladys Inés Cardona
- Instituto Amazónico de Investigaciones Científicas SINCHI. Laboratorio de Biotecnología y Recursos Genéticos, Bogotá, Colombia.
| | - Maria Camila Escobar
- Instituto Amazónico de Investigaciones Científicas SINCHI. Laboratorio de Biotecnología y Recursos Genéticos, Bogotá, Colombia; Escuela de Microbiología. Universidad de Antioquia, Medellín, Colombia
| | | | - Natalie Díaz-Ruíz
- Escuela de Microbiología. Universidad de Antioquia, Medellín, Colombia
| | | | - Yaneth Vasquez
- Chemistry Department, Universidad de Córdoba, Montería, Colombia
| | - José Marrugo-Negrete
- Convergence Science and Technology Cluster, Universidad Central, Bogotá, Colombia
| | - Silvia Marqués
- Department of Biotechnology and Environmental Protection. Estación Experimental Del Zaidín. Consejo Superior de Investigaciones Científicas, Granada, Spain
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50
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Zuluaga LS, Gómez-Quenguán N, Estrella-Insuasty J, Bautista-Gomez MM. Learning process of implementing a cutaneous leishmaniasis capacity-building program, using an innovative pedagogy for rural populations in Colombia. Rural Remote Health 2024; 24:8201. [PMID: 38484739 DOI: 10.22605/rrh8201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024] Open
Abstract
INTRODUCTION Participatory approaches to health often link capacity building as an indispensable process for strengthening the social capital of communities, in order to develop empowerment processes that lead to social transformation at the local level. In Pueblo Rico (Colombia), a capacity-building program in cutaneous leishmaniasis and social skills for community work was implemented with school students, health workers and local leaders. This article seeks to evaluate the implementation, results, and impact of that program. METHODS Primary data were collected through participant observation, questioners, the development of artistic products, and a focus group. Qualitative data were coded and analyzed through thematic analysis, and the quantitative data were quantitively coded and analyzed. RESULTS The capacity-building program had positive results in terms of the three aspects evaluated: the pedagogical model's implementation, the learning process, and the impact of the program. Three key elements that contributed to the success of the program were identified: the application of the principles of meaningful learning as a guide for the pedagogical model, the use of Social Innovation in Health case studies to broaden participant's perspective, and the creation of artistic products as facilitators for the appropriation of knowledge. CONCLUSION Participatory pedagogical models adequate to the context and its participants allow the implementation of effective training programs that develop capacities within the communities. To achieve a significant impact, it is necessary to ensure the continuity and long-term sustainability of capacity building through transfer of knowledge with cooperation between health institutions and the community. In this way, the capacities developed by the community constitute a valuable social capital for achieving transformations within and outside the health field.
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