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Resumen: El pueblo Kankuamo es uno de los 102 pueblos originarios de Colombia, que se encuentran en el proceso de desarrollo de estrategias para la autogestión de salud individual y colectiva. Este artículo tiene como objetivo investigar, identificar y analizar, de forma colaborativa e intercultural, los factores que influyen en el bienestar del pueblo Kankuamo, utilizando el Enfoque de Capacidades propuesto por Amartya Sen. Con este fin, se llevaron a cabo tres grupos focales con la participación de 37 personas de las 15 comunidades del resguardo Kankuamo. Las transcripciones fueron analizadas mediante un análisis temático. De los grupos focales surgieron tres temas centrales para el bienestar de los Kankuamo: (i) armonía entre la naturaleza y los seres humanos, (ii) convivencia social y (iii) autodeterminación. Estos temas reflejan los principios y valores fundamentales que guían a la comunidad hacia el bienestar, la expansión de sus capacidades, la armonía y el desarrollo integral. Los resultados sugieren que los aspectos materiales desempeñan un papel secundario en el concepto de bienestar de la comunidad Kankuamo, y además confirman que es fundamental considerar una visión colectiva de capacidades, no solo individuales, en contextos indígenas. Estudios como este pueden contribuir al desarrollo de enfoques más contextualmente apropiados para evaluar y medir la calidad de vida y el bienestar de las comunidades indígenas, incluyendo el pueblo Kankuamo.

Abstract: The Kankuamo people are one of the 102 native peoples of Colombia, who are developing strategies for individual and collective health self-management. This article aims to investigate, identify and analyze, collaboratively and interculturally, the factors that influence the well-being of the Kankuamo people, using the Capabilities Approach proposed by Amartya Sen. To this end, three focus groups were conducted with the participation of 37 people from the 15 communities of the Kankuamo reservation. The transcripts were analyzed by means of a thematic analysis. Three central themes for the well-being of the Kankuamo emerged from the focus groups: (i) harmony between nature and human beings, (ii) social coexistence and (iii) self-determination. These themes reflect the fundamental principles and values that guide the community towards a good life, expansion of their capabilities, harmony and holistic development. The results suggest that material aspects play a secondary role in the Kankuamo community's concept of good life, and confirm that it is fundamental to consider a collective vision of capabilities, not only individual ones, in indigenous contexts. Studies such as this one can contribute to the development of more contextually appropriate approaches to assess and measure the quality of life and well-being of Indigenous communities, including the Kankuamo people.

Resumo: O povo Kankuamo é um dos 102 povos indígenas da Colômbia que estão em processo de desenvolvimento de estratégias para a autogestão da saúde individual e coletiva. Este artigo tem como objetivo investigar, identificar e analisar, de forma colaborativa e intercultural, os fatores que influenciam o bem-estar do povo Kankuamo, usando a Abordagem de Capacidades proposta por Amartya Sen. Para isso, foram realizados três grupos focais com a participação de 37 pessoas das 15 comunidades da reserva Kankuamo. Análise temática foi usada nas transcrições. Três temas centrais para o bem-estar dos Kankuamo emergiram dos grupos focais: (i) harmonia entre a natureza e os seres humanos, (ii) coexistência social e (iii) autodeterminação. Esses temas refletem os princípios e valores fundamentais que orientam a comunidade para o bem-estar, a expansão de suas capacidades, a harmonia e o desenvolvimento integral. Os resultados sugerem que os aspectos materiais desempenham um papel secundário no conceito de bem-estar da comunidade Kankuamo e confirmam ainda que é essencial considerar uma visão coletiva das capacidades, e não apenas individual, em contextos indígenas. Estudos como este podem contribuir para o desenvolvimento de abordagens mais adequadas ao contexto para avaliar e medir a qualidade de vida e o bem-estar das comunidades indígenas, incluindo o povo Kankuamo.

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Up to 40% of rare disorders (RD) present facial dysmorphologies, and visual assessment is commonly used for clinical diagnosis. Quantitative approaches are more objective, but mostly rely on European descent populations, disregarding diverse population ancestry. Here, we assessed the facial phenotypes of Down (DS), Morquio (MS), Noonan (NS) and Neurofibromatosis type 1 (NF1) syndromes in a Latino-American population, recording the coordinates of 18 landmarks in 2D images from 79 controls and 51 patients. We quantified facial differences using Euclidean Distance Matrix Analysis, and assessed the diagnostic accuracy of Face2Gene, an automatic deep-learning algorithm. Individuals diagnosed with DS and MS presented severe phenotypes, with 58.2% and 65.4% of significantly different facial traits. The phenotype was milder in NS (47.7%) and non-significant in NF1 (11.4%). Each syndrome presented a characteristic dysmorphology pattern, supporting the diagnostic potential of facial biomarkers. However, population-specific traits were detected in the Colombian population. Diagnostic accuracy was 100% in DS, moderate in NS (66.7%) but lower in comparison to a European population (100%), and below 10% in MS and NF1. Moreover, admixed individuals showed lower facial gestalt similarities. Our results underscore that incorporating populations with Amerindian, African and European ancestry is crucial to improve diagnostic methods of rare disorders.

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El sistema intestinal posee una capacidad regenerativa intrínseca y fisiológica que tiene lugar a partir de las células madreLgr5+ ubicadas en el fondo de las criptas intestinales, las cuales se diferencian hacia las células progenitoras secretoras y absortivas con sus respectivas células especializadas mediante la activación de señalizaciones intracelulares como Wnt, Hippo y Notch. Condiciones adversas como lesiones e infecciones tisulares inducen esta actividad regenerativa promovida por variados mecanismos que influyen en el microambiente celular. El sistema inmunológico detecta alteraciones en el tejido intestinal y, a través de la activación de células inmunocompetentes y la secreción de citoquinas proinflamatorias, favorece la desdiferenciación de células especializadas hacia células madre para desencadenar la respuesta regenerativa. En cuanto al sistema nervioso entérico, su influencia está sujeta a modificaciones en la microbiota y los hábitos alimenticios, y se encuentra determinada en gran parte, por las células gliales entéricas y la expresión de distintos marcadores de plasticidad, que permiten limitar la lesión y reparar el tejido. Por su parte, la epigenéticamodifica la expresión genética y consecuentemente, la capacidadregenerativa intestinal, variando de acuerdo a cada paciente porla influencia de factores externos como la dieta o el estadopsicobiológico. De esta forma, la respuesta regenerativa intestinalinducida por lesiones, integra múltiples mecanismos y poseeimportantes repercusiones clínicas en cuanto a EII, disbiosise incluso tumorogénesis; conocer los mecanismos que regulanesta actividad puede sentar las bases para la creación de terapias innovadoras en el mismo ámbito(AU)

The intestinal system has an intrinsic and physiological regenerative capacity that takes place from the Lgr5+ stem cells located at the bottom of the intestinal crypts, which differentiate into secretory and absorptive progenitor cells with their specialized cells by activating intracellular signalslike Wnt, Hippo and Notch. Adverse conditions such asinjuries and tissue infections induce this regenerative activity promoted by various mechanisms that influence the cellular microenvironment. The immune system senses disturbances in the intestinal tissue and, through the activation of immunocompetent cells and the secretion of proinflammatorycytokines, favors the dedifferentiation of specialized cells intostem cells to trigger the regenerative response. Regarding theenteric nervous system, its influence is subject to modificationsin the microbiota and dietary habits, and is largely determinedby enteric glial cells and the expression of different plasticitymarkers, which enable to limit injuries and repair tissue. On the other hand, epigenetics modifies genetic expressionand, consequently, intestinal regenerative capacity, varying according to each patient due to the influence of external factors such as diet or psychobiological status. There fore, the intestinal regenerative response induced by lesions integrates multiple mechanisms and has important clinical repercussions in terms of IBD, dysbiosis, and even tumorigenesis; knowing themechanisms that regulate this activity can lay the foundations for the creation of innovative therapies in the same field (AU)

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La viruela símica es una enfermedad que ocurre en los monos, sin embargo también se han presentado casos en humanos desde 1970, transformándose en una zoonosis de origen viral, la sintomatología es similar a la viruela pero menos grave. Objetivo: Proporcionar información actualizada sobre la viruela símica, situación epidemiológica, sintomatología, letalidad, diagnóstico, tratamiento y medidas de prevención Materiales y métodos: Se realizó una búsqueda de literatura científica en las bases de datos Organización Mundial de la Salud, Google Académico y PubMed, se eligieron los descriptores o palabras relacionadas con la enfermedad y se realizó la búsqueda para la descripción de reportes de casos y brotes producidas por la viruela símica. Resultados: Desde que se reportó el primer caso en humanos, han existido brotes en el continente africano, fuera de éste, se han reportados varios casos y brotes en otros países, la mayoría en los Estados Unidos. El último evento se reporta en mayo de 2022 y es de preocupación mundial, debido a la aparición en varios países no endémicos. Conclusiones: La presencia de casos de viruela símica en humanos se ha mantenido desde su aparición, la ausencia de un tratamiento específico y vacunas autorizadas para su administración, podrían generar un aumento en la morbimortalidad(AU)

Monkeypox is a disease that occurs in monkeys, however there have also been cases in humans since 1970, becoming a zoonosis of viral origin, the symptoms are similar to smallpox but less severe. Objective: To provide updated information on monkeypox, epidemiological situation, symptomatology, lethality, diagnosis, treatment and prevention measures. Materials and methods: A search of scientific literature was carried out in the World Health Organization, Google Scholar and PubMed databases. , the descriptors or words related to the disease were chosen and the search was performed for the description of case reports and outbreaks caused by monkeypox. Results: Since the first human case was reported, there have been outbreaks on the African continent, outside of Africa, several cases and outbreaks have been reported in other countries, most in the United States. The last event is reported in May 2022 and is of global concern, due to the appearance in several non-endemic countries. Conclusions: The presence of cases of monkeypox in humans has been maintained since its appearance, the absence of a specific treatment and vaccines authorized for its administration, could generate an increase in morbidity and mortality(AU)

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BACKGROUND: Estimating the burden of rheumatic diseases (RDs) requires proper evaluation of its lethal and nonlethal consequences. In Colombia, it is possible to find local data and Global Burden of Disease (GBD) reports that collect information from varied contexts and apply complex statistical models, but no on-site estimations are available. METHODS: This was a descriptive study on the burden of RD based on occurrence and mortality data in the general population during 2015, including information and prevalence estimations from the Community Oriented Program for the Control of Rheumatic Diseases (COPCORD) study. Disability-adjusted life years (DALYs) were estimated by combining measures of years of life lost (YLL) and years lived with disability (YLDs). For disability weight estimations among cases, different COPCORD responses were mapped using flowcharts to show the severity distribution according to GBD. All model parameters and results were validated through an expert consensus panel. RESULTS: Low back pain (LBP) was the RD with the greatest burden of disease, costing 606.05 (95% CI 502.76-716.58) DALYs per 100,000 inhabitants, followed by osteoarthritis (292.11; 95% CI 205.76-386.85) and rheumatoid arthritis (192.46, 95% CI 109.7-239.69). CONCLUSIONS: The burden of RD is as high in Colombia as in other countries of the region. The results offer an interesting tool for optimizing healthcare system design as well as for planning the distribution of human and economic resources to achieve early diagnosis and adequate care of these diseases.

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Mosquito-borne pathogens have spread throughout tropical regions of the Western Hemisphere causing increased burden of disease in the region. Outbreaks of dengue fever, yellow fever, chikungunya, West Nile, and Zika have occurred over the past several years. Mosquito blood-feeding patterns need to be assayed to assist in determining which vertebrates could act as hosts of these mosquito-borne pathogens and which mosquito species could act as vectors. We conducted bloodmeal analyses of mosquitoes collected at Lomas Barbudal Biological Reserve, a dry tropical forest reserve in Costa Rica. Mosquitoes were collected using backpack aspirators and light, gravid, and resting traps, and then identified morphologically. Blood-fed mosquitoes underwent DNA extraction, PCR amplification, and sequencing of the vertebrate cytochrome b and cytochrome c oxidase 1 genes to identify vertebrate bloodmeal hosts. Several mosquitoes known to vector pathogens were found including Culex (Melanoconion) erraticus Dyar & Knab (Diptera: Culicidae), Cx. (Mel.) pedroi Sirivanakarn & Belkin, Aedes (Stegomyia) albopictus Skuse, Ae. (Ochlerotatus) scapularis Rondani, Ae. (Och.) serratus Theobald, and Ae. (Och.) taeniorhynchus Wiedemann. The most common bloodmeal hosts were basilisk lizards (Basiliscus vittatus) Wiegmann (Squamata: Corytophanidae) in Culex (Linnaeus) species and white-tailed deer (Odocoileus virginianus) Zimmermann (Artiodactyla: Cervidae) in Aedes (Meigen) species. These results show the diversity of mosquito species in a tropical dry deciduous forest and identify associations between mosquito vectors and potential pathogen reservoir hosts. Our study highlights the importance of understanding interactions between vector species and their hosts that could serve as predictors for the potential emergence or resurgence of mosquito-borne pathogens in Costa Rica.

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RESUMEN Introducción: El uso de medicina complementaria y alternativa (MCA) en pacientes con enfermedades reumáticas es prevalente pero la comunicación con el reumatólogo suele ser deficiente, lo cual afecta la relación médico-paciente (RMP). Objetivos: Evaluar la asociación entre el uso de MCA y la RMP en enfermos con artritis reumatoide. Como objetivos adicionales, describir la percepción del paciente sobre la comunicación con su reumatólogo respecto al uso de MCA y el patrón de uso de las diferentes modalidades terapéuticas. Materiales y métodos: Estudio descriptivo de corte transversal. El uso de MCA y la RMP se evaluaron mediante la autoaplicación de cuestionarios validados (I-CAM-Q y PDRQ-9 respectivamente). Resultados: Se incluyó a 246 pacientes ambulatorios de una institución de tercer nivel de atención. Se encontró asociación entre una mayor satisfacción con el tratamiento y el no usar MCA, y entre el hecho de informar al reumatólogo sobre el uso de MCA con un mayor grado de acuerdo con el médico sobre el origen de los síntomas y mayor satisfacción con el tratamiento. Las modalidades más frecuentemente utilizadas fueron: quiropraxia, acupuntura y productos herbales. El 78,5% afirmaron estar de acuerdo con comunicar el uso de este tipo de medicación al reumatólogo, sin embargo, solo el 31,3% lo notificó, por temor a represalias (54,4%). Conclusiones: Pese a la alta prevalencia de uso de MCA en nuestros pacientes, la mayoría no lo comunicó al reumatólogo. Se encontró asociación entre el uso de MCA y una menor satisfacción del paciente con el tratamiento y entre la comunicación médico-paciente sobre la práctica de MCA y una mejor satisfacción con el tratamiento.

ABSTRACT Introduction: Although complementary and alternative medicine (CAM) use among patients with rheumatic diseases is extensive, discussions regarding these treatments occur rarely in the rheumatology setting, directly affecting the physician-patient relationship (PPR). Objectives: The aim of this study was to evaluate the association between patient-physician relationship and complementary and alternative medicine use. As secondary objectives, to describe the patient's perspective towards CAM use and estimate the prevalence of CAM treatments used in patients with rheumatoid arthritis. Methods and materials: A descriptive cross-sectional survey was conducted, in which CAM use and physician-patient relationship were assessed by self-reported validated questionnaires (I-CAM-Q and PDRQ-9, respectively). Results: The study included a total of 246 outpatients of a tertiary care hospital. There were no significant differences between CAM users vs. non-users, or informers vs. non-informers in terms of physician-patient relationship measured by PDQR. The most frequent used CAM treatments were: chiropractice, acupuncture, and herbal products. A large majority (78.5%) of the patients expressed agreement to the discussion of CAM use with the rheumatologist, but only 31.3% of total CAM users did so because of fear of retaliation (54.4%). Conclusion: Despite the extensive practice of CAM among patients with rheumatoid arthritis, most patients did not discuss these treatments with their physicians. Associations were found between MCA use and a lower patient's treatment satisfaction and between physician-patient communication about CAM practice and a higher patient's treatment satisfaction.

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ABSTRACT The mesenchymal stromal cells (MSCs) are hematopoietic stem cells with high capacity of differentiation to other cellular lineages, depending on the microenvironment in which they live as well as on the interaction and signaling pathways they establish with the extracellular matrix. Several properties have been described in these cells: proangiogenic, antifibrotic and immunomodulatory. These properties are being studied as a therapeutic approach for autoimmune diseases such as cutaneous systemic sclerosis (SSc). SSc is a systemic chronic disease, with an approximate prevalence of 35.6 cases per 100,000 inhabitants in North America and of 0.02% in Colombia in 2018. There are two different clinical variants, diffuse and localized. In both variants an important skin involvement and a rapidly deterioration of organs is present, which can overshadow the clinical prognosis and increase the mortality. Options for the treatment of advanced diffuse SSc are scarce mainly targeting symptomatic control with little impact on the progression and mortality. Therefore, there is an increasing interest in new therapies like advanced cellular therapy with hematopoietic stem cells and stromal mesenchymal cells. This article reviews the information related to the use of stromal mesenchymal cells in patients with this disease.

RESUMEN Las células mesenquimales estromales son células madre no hematopoyéticas pluripotenciales con alta capacidad de derivación a diferentes linajes celulares, dependiendo tanto del microambiente en el que se encuentren, como de la interacción y señalización que establezcan con la matriz extracelular del entorno, esto ha permitido describir un potencial proangiogénico, antifibrótico e inmunomodulador, que ha sido blanco de investigación en enfermedades autoinmunes como la esclerosis sistêmica cutánea. Considerando que la esclerosis sistêmica cutánea es una enfermedad inflamatoria crónica, con una prevalencia estimada de 35,6 casos por cada 100.000 habitantes en Norte América y de 0,02% en nuestro país para el 2018, se caracteriza por presentar dos variables clínicas principalmente; una variante limitada y una variante difusa, presentando en ambas un compromiso extenso de piel y órganos que puede ser rápidamente progresivo y deteriorar el pronóstico de los pacientes que la padecen aumentando su mortalidad. Debido a que las opciones terapéuticas en esta entidad son limitadas y buscan únicamente el control de síntomas, pero con poco impacto en progresión y mortalidad, terapias celulares avanzadas han surgido como nuevas opciones terapéuticas incluyendo el trasplante de células madre hematopoyéticas y las células mesenquimales estromales. A continuación, se revisará acerca de la utilidad y evidencia de células mesenquimales estromales en pacientes con esta enfermedad.

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A b s t r a c t Purpose: To describe health-related QOL (HRQOL) in patients with musculoskeletal symptoms, compared to a population with other comorbidities, and a healthy population. Methods: A cross-sectional study was carried out on an open population involved in a community-oriented program for control of rheumatic diseases (COPCORD) study in Colombia, using EQ-5D-3L for estimating QOL, and the health assessment questionnaire disability index (HAQ-DI) for functional capacity. Results: Out of the total 4020 individuals evaluated, 2274 had rheumatic diseases, 642 had non-rheumatic diseases, and 1104 were healthy subjects. Spondyloarthritis (SpA) and rheumatoid arthritis (RA) patients had more complaints regarding pain/discomfort and mobility. As for daily activities, the diseases that mostly affected them were systemic lupus erythematosus (SLE) and RA. RA and fibromyalgia (FM) patients had the worst scores as regards anxiety/depression and self-care dimensions. FM patients had the lowest QOL measured by EQ-VAS (57.7 ± 26.2). The most frequent non-rheumatic diseases were cardiovascular and mental disorders, with 20% of these patients having a moderate level of pain/discomfort and anxiety/depression. The rheumatic patients reported a decrease in functional capacity (HAQ: 0.49), in contrast to the healthy population (0.01), and the population having other diseases (0.06). Conclusion: Rheumatic disease patients in Colombia had the worst QOL compared to the healthy population and patients with other comorbidities. Rheumatic patients had greater functional limitations, even more so when having comorbidities. This study revealed potential factors of interest requiring the attention of public health authorities, and for improving patients' QOL.

RESUMEN Objetivo: Describir la calidad de vida relacionada con la salud en pacientes con síntomas musculoesqueléticos, en comparación con pacientes con enfermedades no reumáticas y una población sana. Métodos: Se realizó un estudio transversal en comunidad abierta, en personas involucradas en un programa orientado a la comunidad para el control de enfermedades reumáticas (COP-CORD) en Colombia, utilizando el EQ-5D-3L para estimar la calidad de vida y el cuestionario de evaluación de la salud (HAQ- DI) para la capacidad funcional. Resultados: Se evaluaron 4.020 individuos; 2.274 tenían enfermedades reumáticas, 642 tenían enfermedades no reumáticas y 1.104 eran sujetos sanos. Los pacientes con espondiloartritis (SpA) y artritis reumatoide (AR) tuvieron mayores quejas con respecto al dolor/malestar y la movilidad. En cuanto a las actividades diarias, los enfermos con lupus eritematoso sistémico (LES) y AR fueron los más afectados. Los pacientes con AR y fibromialgia (FM) tuvieron las peores puntuaciones en ansiedad/depresión en las dimensiones de cuidado personal. Los pacientes con FM tuvieron la calidad de vida más baja medida por EQ-VAS (57,7 ± 26,2). Las enfermedades no reumáticas más frecuentes fueron los trastornos cardiovasculares y mentales; el 20% de estos pacientes tenía un nivel moderado de dolor/malestar y ansiedad/depresión. Los pacientes reumáticos reportaron una disminución de la capacidad funcional (HAQ: 0,49); en contraste con la población sana (0,01) y la población con otras enfermedades (0,06). Conclusión: Los pacientes con enfermedades reumáticas en Colombia tuvieron la peor calidad de vida en comparación con la población sana y los pacientes con otras enfermedades. Los pacientes reumáticos tuvieron una mayor limitación funcional, incluso más que los que tenían otras enfermedades. Este estudio reveló posibles factores relacionados con las enfermedades reumáticas que requieren la atención de las autoridades de salud pública con el objetivo de mejorar la calidad de vida de los pacientes.

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RESUMEN Existe una relación compleja, dinámica y bidireccional entre la autoinmunidad y el cáncer. Si bien los mecanismos carcinogénicos y fisiopatológicos de las enfermedades autoinmunes no están claramente dilucidados, existe una base inmunológica común relacionada con la expresión de autoantígenos por parte de las células tumorales que desencadenan una respuesta antitumoral, facilitando el desarrollo de síndromes paraneoplásicos reumáticos y enfermedades autoinmunes reumáticas en población genéticamente susceptible. Se presenta un caso de un hombre que debutó con un síndrome pulmón riñón y se diagnosticó cáncer de pulmón y lupus eritematoso sistémico de forma simultánea.

A B S T R A C T There is a complex, dynamic, and bidirectional connection between autoimmunity and cancer. The underlying mechanisms of carcinogenesis and physiopathological aspects of autoimmune diseases are not fully understood. However, there is a common immunological base related to expression of autoantigens by tumour cells that cause an anti-cancer immune response, thereby, triggering the development of paraneoplastic rheumatic syndromes and autoimmune rheumatic diseases in a genetically predisposed population. The case is reported of a 57 year-old man presenting with pulmonary renal syndrome, and who was diagnosed lung cancer and systemic lupus erythematosus at the same time.

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BACKGROUND: Risk perception (RP) describes patient´s judgment of the likelihood of experiencing something unpleasant, and has been associated to the adoption of health behaviors. Current rheumatoid arthritis (RA) guidelines recommend early and intensive treatment, although patients also commonly use Complementary and Alternative Medicine (CAM). We aimed to investigate if significant RP was associated to CAM use in Hispanic RA outpatients and to describe additional associated factors. METHODS: Between March and August 2019, 266 consecutive outpatients were invited to a face-to-face interview to collect socio-demographic and RA-related information, to assess comorbidity and the following patient-reported-outcomes: pain, overall-disease and treatment adherence with visual analogue scales, disease activity with RAPID-3, RP with a validated questionnaire, and CAM use with a translated and cross-culturally adapted for Argentina version of the International CAM questionnaire. Medical records were reviewed to corroborate the data provided by the patients. CAM use definition was restricted to "in the last 3 months". Significant RP was defined based on published cut-off. Multiple logistic regression analysis was used to investigate factors associated to CAM use. The study received IRB approval. RESULTS: There were 246 patients included, primarily middle-aged women, with substantial disease duration, moderate disease activity and 70 patients (28.5%) had significant RP. Two hundreds patients (81.3%) were CAM users. Significant RP (OR: 2.388, 95%CI: 1.044-5.464, p = 0.039) and access to Federal health care system (OR: 2.916, 95%CI: 1.081-7.866, p = 0.035) were associated to CAM use. CONCLUSIONS: Patient´s perception of RA-related negative consequences was associated to recent CAM use in Hispanic RA outpatients.

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BACKGROUND: Monocytes and toll-like receptors (TLR) have been found in the inflammatory infiltrate of muscle biopsies in patients with idiopathic inflammatory myopathies (IIM), suggesting an important role of these cells in the pathogenesis of myositis. The monocyte subsets, their TLR expression in peripheral blood and their relationship with the clinical characteristics of patients with IIM has not been addressed. METHODS: We recruited 45 patients with IIM diagnosis and 15 age and sex-adjusted healthy controls. We assessed the disease activity and damage, performed a nailfold capillaroscopy and registered the cardio-pulmonary parameters from the medical charts. Monocyte subsets, their expression of TLR2 and TLR4 and the serum Th1/Th2/Th17 cytokines levels were evaluated by flow cytometry. We expressed quantitative variables as medians and interquartile ranges (IQR) or minimum and maximum (min-max). Differences between groups were assessed with Mann-Whitney U and the Kruskal-Wallis tests. Correlation between quantitative variables was assessed with Spearman Rho. RESULTS: Twenty-nine patients were women (64.4%) and 32 (71.1%) had dermatomyositis. In comparison to healthy controls, patients with active IIM had a higher percentage of intermediate monocytes and lower amounts of classical monocytes. Patients with IIM had a higher expression of TLR4 in all their monocyte subsets, regardless of disease activity and prednisone treatment. Serum IL-6 correlated with the TLR2 expression in every monocyte subset and the expression of TLR2 in intermediate monocytes was higher among patients with dysphagia. Subjects with nailfold capillaroscopy abnormalities had a higher amount of TLR2+ classical and non-classical monocytes and those with interstitial lung disease (ILD) had a higher percentage of TLR4+ non-classical monocytes. The classical and intermediate monocytes from patients with anti Mi2 antibodies had a higher expression of TLR4. The percentage of intermediate monocytes and the expression of TLR4 in all monocyte subsets showed a good diagnostic capacity in patients with IIM. CONCLUSION: Patients with IIM have a differential pool of monocyte subsets with an enhanced expression of TLR2 and TLR4, which correlates with disease activity and distinctive clinical features including dysphagia, ILD, vasculopathy, and pro-inflammatory cytokines. These immunological features might be useful as a potential diagnostic tool as well as novel disease activity biomarkers in IIM.

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OBJECTIVE: To investigate the correlation among pro- or anti-inflammatory cytokines and the two main gut microbiota phyla in obese children. MATERIALS AND METHODS: Anthropometric data were obtained from 890 children under 14 years old to determine the degree of obesity. Serum cytokine concentration was measured by ELISA. Relative abundance of gut microbiota in feces was evaluated by quantitative RealTime PCR assays. RESULTS: Anthropometric and biochemical parameters were statistically higher in overweigth/ obese children (OW/O) than in lean (NW), Increased TNF-α levels were found in obese children that also have a high relative abundance of Firmicutes. CONCLUSIONS: Obese children have a high relative abundance of Firmicutes that correlates with increased levels of TNF-α. This is the first study that shows a relation between Firmicute abundance and TNF-α serum concentration in obese children.

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Abstract: Objective: To investigate the correlation among pro- or anti-inflammatory cytokines and the two main gut microbiota phyla in obese children. Materials and methods: Anthropometric data were obtained from 890 children under 14 years old to determine the degree of obesity. Serum cytokine concentration was measured by ELISA. Relative abundance of gut microbiota in feces was evaluated by quantitative Real-Time PCR assays. Results: Anthropometric and biochemical parameters were statistically higher in overweight /obese children than in lean ones. Increased TNF-α levels were found in obese children that also have a high relative abundance of Firmicutes. Conclusions: Obese children have a high relative abundance of Firmicutes that correlates with increased levels of TNF-α. This is the first study that shows a relation between Firmicute abundance and TNF-α serum concentration in obese children.

Resumen: Objetivo: Investigar la correlación entre las citocinas proinflamatorias o antiinflamatorias y los dos principales filos de la microbiota intestinal en niños obesos. Material y métodos: Se obtuvieron mediciones antropométricas de 890 niños de 6 a 14 años; posteriormente se clasificaron en normopeso y sobrepeso/obeso. Las concentraciones séricas fueron medidas por el método de ELISA. La abundancia relativa de la microbiota intestinal en heces se evaluó por PCR tiempo real. Resultados: Los parámetros bioquímicos y antropométricos fueron estadísticamente más altos en niños con sobrepeso / obesidad que en niños delgados. Se encontraron niveles más altos de FNT-α en niños obesos que también tenían una abundancia relativa alta de Firmicutes. Conclusiones: Los niños obesos tienen una alta abundancia relativa de Firmicutes, la cual se correlaciona con un incremento de los niveles de FNT-α. Este es el primer estudio que evalúa la reacción entre la abundancia de Firmicutes y la concentración sérica de FNT-α en niños obesos.

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INTRODUCTION: Patients with obstructive sleep apnoea hypopnoea syndrome (OSA) might have varying degrees of laryngopharyngeal mechanical hyposensitivity that might impair the brain's capacity to prevent airway collapse during sleep. However, this knowledge about sensory compromises in OSA comes from studies performed using methods with little evidence of their validity. Hence, the purpose of this study is to assess the reliability and accuracy of the measurement of laryngopharyngeal mechanosensitivity in patients with OSA using a recently developed laryngopharyngeal endoscopic esthesiometer and rangefinder (LPEER). METHODS AND ANALYSIS: The study will be prospective and double blinded, with a randomised crossover assignment of raters performing the sensory tests. Subjects will be recruited from patients with suspected OSA referred for baseline polysomnography to a university hospital sleep laboratory. Intra-rater and inter-rater reliability will be evaluated using the Bland-Altman's limits of agreement plot, the intraclass correlation coefficient, and the Pearson or Spearman correlation coefficient, depending on the distribution of the variables. Diagnostic accuracy will be evaluated plotting ROC curves using standard baseline polysomnography as a reference. The sensory threshold values ​​for patients with mild, moderate and severe OSA will be determined and compared using ANOVA or the Kruskal-Wallis test, depending on the distribution of the variables. The LPEER could be a new tool for evaluating and monitoring laryngopharyngeal sensory impairment in patients with OSA. If it is shown to be valid, it could help to increase our understanding of the pathophysiological mechanisms of this condition and potentially help in finding new therapeutic interventions for OSA. ETHICS AND DISSEMINATION: The protocol has been approved by the Institutional Review Board of Fundacion Neumologica Colombiana. The results will be disseminated through conference presentations and peer-reviewed publication. TRIAL REGISTRATION: This trial was registered at Clinical Trials Accuracy of the sensory test using the lLaryngopharyngeal endoscopic esthesiometer in obstructive sleep apnea. Protocol ID: 201611-22405. ClinicalTrials.gov ID: NCT03109171.

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Resumen: La mayoría de los pacientes que requieren ventilación > 24 horas y mejoran pueden ser extubados tras la primera prueba de ventilación espontánea. El reto es mejorar la desconexión de los pacientes que fracasan. El retiro de la ventilación mecánica es un elemento esencial en el cuidado de los pacientes críticamente enfermos. Se revisa el proceso de liberar al paciente del soporte mecánico y de la cánula endotraqueal. El tiempo empleado en el proceso de destete representa de 40 a 50% de la duración total de la ventilación. Se recomienda: 1) Prever tres grupos en función de la dificultad y duración del destete, 2) Retiro lo más pronto posible, 3) Utilizar la prueba de ventilación espontánea para determinar si los pacientes pueden ser extubados con éxito, 4) La prueba inicial debe durar 30 minutos en respiración en tubo en T o con bajos niveles de soporte, 5) La presión de soporte y los modos de ventilación AC deben preferirse cuando han fracasado en la primera prueba, 6) Considerar ventilación no invasiva en pacientes seleccionados para acortar la duración de la intubación, pero no debe usarse de forma rutinaria como herramienta para el fracaso de la extubación.

Abstract: The majority of patients requiring ventilation> 24 hours and improving can be extubated after the first spontaneous ventilation test. The challenge is to improve the disconnection of patients who fail. The withdrawal of mechanical ventilation is an essential element in the care of critically ill patients. The process of releasing the patient from the mechanical support and the endotracheal cannula is reviewed. The time spent in the weaning process represents 40 to 50% of the total duration of ventilation. It is recommended: 1) Predict three groups depending on the difficulty and duration of weaning, 2) Removal as soon as possible, 3) Using the spontaneous ventilation test to determine if patients can be successfully extubated, 4) The initial test Should last 30 minutes in T-tube breathing or with low levels of support, 5) Support pressure and modes of AC ventilation should be preferred when they failed in the first test, 6) Consider non-invasive ventilation in selected patients to shorten The duration of intubation, but should not be routinely used as a tool for the failure of extubation.

Resumo: A maioria dos pacientes que necessitam de ventilação > 24 horas e melhoram podem ser extubados depois do primeiro teste de ventilação espontânea. O desafio é melhorar a desconexão dos pacientes que fracassam. A retirada da ventilação mecânica é um elemento essencial no tratamento dos pacientes em estado crítico. Revisamos o processo de retirada do paciente do suporte mecânico e do tubo endotraqueal. O tempo gasto no processo do desmame representa 40 a 50% da duração total da ventilação. Recomenda-se: 1) Prever três grupos, dependendo da dificuldade e duração do desmame, 2) remoção o mais rápido possível, 3) Utilização do teste de ventilação espontânea para determinar se os pacientes podem ser extubadas com êxito, 4) O teste inicial deve durar 30 minutos com respiração em tubo T ou com baixos níveis de suporte, 5) A pressão de suporte e os modos de ventilação AC deve ser eleitos quando existe uma falha no primeiro teste, 6) Considerar a ventilação não invasiva em pacientes selecionados para diminuir a duração da intubação, mas não deve ser usado rotineiramente como uma ferramenta para falha na extubação.

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Introduction. Increase in body weight is a gradual process that usually begins in childhood and in adolescence as a result of multiple interactions among environmental and genetic factors. This study aimed to analyze the relationship between copy number variants (CNVs) in five genes and four intergenic regions with obesity in Mexican children. Methods. We studied 1423 children aged 6-12 years. Anthropometric measurements and blood levels of biochemical parameters were obtained. Identification of CNVs was performed by real-time PCR. The effect of CNVs on obesity or body composition was assessed using regression models adjusted for age, gender, and family history of obesity. Results. Gains in copy numbers of LEPR and NEGR1 were associated with decreased body mass index (BMI), waist circumference (WC), and risk of abdominal obesity, whereas gain in ARHGEF4 and CPXCR1 and the intergenic regions 12q15c, 15q21.1a, and 22q11.21d and losses in INS were associated with increased BMI and WC. Conclusion. Our results indicate a possible contribution of CNVs in LEPR, NEGR1, ARHGEF4, and CPXCR1 and the intergenic regions 12q15c, 15q21.1a, and 22q11.21d to the development of obesity, particularly abdominal obesity in Mexican children.

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This work aims to assess the economic impact of supplementation with arborea and agro-industrial by-products in zebu cattle. Productive performance test was conducted for 60 days in the municipality of Gómez Plata (Antioquia-Colombia). Twenty castrated males commercial zebu received five diets consisting for Pangola (Digitaria decumbens) (60%) and supplement (40%) containing matarratón (Gliricidia sepium) (MAT), coffee pulp (Coffea arabica) (CP), grape pomace (Vitis vinifera) (GP) or cottonseed (Gossypium sp.) (CS); the control diet (CON) was not formulated with these materials. The economic analysis included the cost-structure of diet, calculation of total and unit production cost, sensitivity analysis and cost-benefit ratio (B/C). In relation to CON diet, the cost per kilogram of diet was superior to CP and GP, 2.39 and 1.87 times, respectively. The value of a kilogram of meat for CP, GP and MAT diets was 3.47, 2.04 and 1.40 times higher compared with CON diet. The B/C ratio was negative for CP and GP diets, however, the sensitivity analysis showed that the introduction of GP is economically viable if its acquisition cost is lower. The costs associated with diet CS were slightly lower than the CON diet (93%), so the B/C ratio was slightly higher. It concludes that the introduction of arborea and by-products is not economically feasible in all cases because factors such as regional availability and dehydration increase production costs.

Este trabajo tiene por objetivo evaluar el impacto económico de la suplementación con recursos arbóreos y agroindustriales en ganado cebú. La prueba de desempeño productivo se realizó durante 60 días en el municipio de Gómez Plata (Antioquia-Colombia). Se emplearon 20 machos castrados cebú comercial, que recibieron cinco dietas constituidas por Pangola (Digitaria decumbens) (60%) y suplemento (40%) conteniendo matarratón (Gliricidia sepium) (MAT), pulpa de café (Coffea arabica) (PC), orujo de uva (Vitis vinifera) (OU) o semilla de algodón (Gossypium sp.) (SA); la dieta control (CON) no se formuló con estos materiales. El análisis económico incluyó elaboración de la estructura de costos por dieta, cálculo del costo total y unitario de producción, análisis de sensibilidad y relación beneficio-costo (B/C). En relación con la dieta CON, el costo por kilogramo de dieta fue superior para PC y OU, 2,39 y 1,87 veces, respectivamente. El valor del kilogramo de carne para las dietas PC, OU y MAT fue 3,47, 2,04 y 1,40 veces mayor respecto la dieta CON. La relación B/C para las dietas PC y OU fue negativa, no obstante, el análisis de sensibilidad mostró que la introducción de OU es económicamente viable si su costo de adquisición es menor. Los costos asociados con la dieta SA fueron ligeramente inferiores a la dieta CON (93%), por lo cual la relación B/C fue levemente superior. Se concluye que la introducción de subproductos no es económicamente viable en todos los casos, ya que factores como disponibilidad regional y procesos de deshidratación aumentan los costos de producción.

Este trabalho tem como objetivo avaliar o impacto económico da suplementaçã o com recursos arbóreas e agroindustriais em gado zebu. Teste de desempenho produtivo foi realizado durante 60 dias na cidade de Gomez Plata (Antioquia-Colô mbia). Foram utilizados 20 machos castrados zebu comercial, que receberam cinco dietas constituídas por Pangola (Digitaria decumbens) (60%) e suplemento (40%) contendo matarratón (Gliricidia sepium) (MAT), polpa de café (Coffea arabica) (PC), bagaço de uva (Vitis vinifera) (OU) ou caroço de algodã o (Gossypium sp.) (SA); a dieta controle (CON) nã o foi formulada com esses materiais. A análise econô mica incluiu elaboraçã o da estrutura de custo por dieta, cálculo do custo total e unitária da produçã o, análise de sensibilidade e relaçã o benefício/custo (B/C). Em relaçã o à dieta CON, o custo por quilograma de dieta foi maior para PC e OU, 2,39 e 1,87 vezes, respectivamente. O valor de um quilo de carne para as dietas PC, OU e MAT foi 3,47, 2,04 e 1,40 vezes maior do que a dieta CON. A relaçã o B/C para as dietas PC e OU foi negativa, no entanto, a análise de sensibilidade mostrou que a introduçã o de UO é economicamente viável se o custo de aquisiçã o for inferior. Os custos associados com a dieta SA foram ligeiramente menores do que a dieta CON (93%), de modo que a relaçã o B/C foi levemente superior. Conclui-se que a introduçã o de subprodutos nã o é economicamente viável em todos os casos porque fatores como a disponibilidade regional e processos de desidrataçã o aumentam os custos de produçã o.

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Introducción: El Síndrome de Reynolds es la asociación de esclerosis sistémica (SSC) con cirrosis biliar primaria (CBP). Descrito en 1934 por Milbradt y Reynolds en 1976 describió seis casos. Caso: Presentamos tres casos de mujeres atendidas en el Servicio de Reumatologìa del Hospital Carlos Andrade Marín, con patología hepática autoinmune y signos de esclerosis sistémica. El diagnóstico fue confirmado mediante biopsia hepática en dos de ellas y la prueba de fibromax en la restante. Discusión: Reconocer el Síndrome de Reynolds permite el diagnóstico temprano de cirrosis biliar primaria en pacientes con esclerosis sistémica y sospechar esta entidad en quienes padecen enfermedad hepática colestásica autoinmune que, muchas veces, coexisten en forma silenciosa. El diagnóstico oportuno permite intervenciones terapéuticas precoces que podrían mejorar el pronóstico de esta asociación.

Introduction: The Reynolds' syndrome is the combination of systemic sclerosis (SSC) and primary biliary cirrhosis (PBC). It was first described in 1934 by Milbradt. Reynolds in 1976 presented six cases in two of them and fibromax-test in another. Case report: We present three cases of three women treated in the Rheumatology department at Carlos Andrade Marin hosppital who had autoinmune liver disease confirmed by biopsy. Discusion: Recognizing Reynolds' Syndrome allow us to make earlier diagnosis. This autoimmune cholestatic liver disease often remains silent, so that their identification is a valuable diagnostic tool leading to therapeutic interventions.

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