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Background: Despite its popularity, evidence of the effectiveness of Psychological First Aid (PFA) is scarce.Objective: To assess whether PFA, compared to psychoeducation (PsyEd), an attention placebo control, reduces PTSD and depressive symptoms three months post-intervention.Methods: In two emergency departments, 166 recent-trauma adult survivors were randomised to a single session of PFA (n = 78) (active listening, breathing retraining, categorisation of needs, assisted referral to social networks, and PsyEd) or stand-alone PsyEd (n = 88). PTSD and depressive symptoms were assessed at baseline (T0), one (T1), and three months post-intervention (T2) with the PTSD Checklist (PCL-C at T0 and PCL-S at T1/T2) and the Beck Depression Inventory-II (BDI-II). Self-reported side effects, post-trauma increased alcohol/substance consumption and interpersonal conflicts, and use of psychotropics, psychotherapy, sick leave, and complementary/alternative medicine were also explored.Results: 86 participants (51.81% of those randomised) dropped out at T2. A significant proportion of participants in the PsyEd group also received PFA components (i.e. contamination). From T0 to T2, we did not find a significant advantage of PFA in reducing PTSD (p = .148) or depressive symptoms (p = .201). However, we found a significant dose-response effect between the number of delivered components, session duration, and PTSD symptom reduction. No significant difference in self-reported adverse effects was found. At T2, a smaller proportion of participants assigned to PFA reported increased consumption of alcohol/substances (OR = 0.09, p = .003), interpersonal conflicts (OR = 0.27, p = .014), and having used psychotropics (OR = 0.23, p = .013) or sick leave (OR = 0.11, p = .047).Conclusions: Three months post-intervention, we did not find evidence that PFA outperforms PsyEd in reducing PTSD or depressive symptoms. Contamination may have affected our results. PFA, nonetheless, appears to be promising in modifying some post-trauma behaviours. Further research is needed.

Psychological First Aid (PFA) is widely recommended early after trauma.We assessed PFA's effectiveness for decreasing PTSD symptoms and other problems 3 months post-trauma.We didn't find definitive evidence of PFA's effectiveness. Still, it seems to be a safe intervention.

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Introducción: El uso de mHealth puede mejorar la adherencia a el automonitoreo con glucometría capilar (GC) en la transición del ámbito hospitalario al ambulatorio. Objetivo: evaluar la adherencia al automonitoreo con GC de los pacientes con Diabetes Tipo 2 (DM2) vinculados a un programa de educación usuarios de mHealth (ClouDi) comparado con el programa de educación y seguimiento presencial usual. Materiales y métodos: Estudio longitudinal prospectivo. Se analizaron pacientes con DM2 valorados por consulta de educación de diabetes con indicación de tratamiento con insulina al egreso hospitalario. Se analizaron dos grupos: uno con seguimiento presencial y otro vinculado a un programa educativo y uso de ClouDi. Resultados: De los 86 pacientes (44% de sexo femenino, 41 usuarios ClouDi, edad promedio 58.8 ± 11.2 años, con una media de duración de la diabetes de 7.8 ± 7.4 años), 53.6% se encontraban en estrato 2, el 92.9% pertenecían al régimen contributivo, el 42.9% con educación básica primaria y 51.2% empleados. Fue considerada la adherencia a la GC al realizar y registrar 3 o más mediciones por día en los pacientes de ClouDi fue mayor comparado con los pacientes en cuidado usual (64.4% vs 28.2%, p <0.001), independiente de las variables sociodemográficas. Conclusión: El uso de ClouDi se asoció a mayor adherencia a automonitoreo con GC comparado con seguimiento presencial independiente de variables sociodemográficas. El uso de esta tecnología podría ser útil en el seguimiento de pacientes usuarios de insulina al egreso hospitalario

Introduction: The use of mHealth can improve adherence to self-monitoring blood Glucose (SMBG) in the transition from hospital to outpatient setting. Objective: To evaluate adherence to self-monitoring with GC in patients with type 2 diabetes (T2DM) linked to an mHealth user education program (ClouDi) compared with the usual face-to-face education and follow-up program. Materials and Methods: Prospective longitudinal study. Patients with T2D assessed by diabetes education counseling with an indication for insulin treatment at hospital discharge were analyzed. Two groups were analyzed: one with face-to-face follow-up and another linked to an educational program and use of ClouDi. Results: Of the 86 patients (44% female, 41 ClouDi users, mean age 58.8 ± 11.2 years, with a mean duration of diabetes of 7.8 ± 7.4 years), 53.6% were in stratum 2, 92.9% belonged to the contributory system, 42.9% with basic pri-mary education and 51.2% were employed. Compliance with the SMBG was considered if 3 or more measurements per day were taken and recorded, was higher in ClouDi patients com-pared to usual care patients (64.4% vs. 28.2%, p <0.001), independent of sociodemographic variables.Conclusions: The use of ClouDi was associated with greater adherence to SMBG compared to in-person follow-up, independent of sociodemographic variables. The use of this technology may be useful in monitoring insulin-using patients after hospital discharge

Introdução: A utilização do mHealth pode melhorar a adesão à automonitorização com glico-metria capilar (GC) na transição do hospital para o ambulatório. Objetivo: avaliar a adesão ao automonitoramento com GC de pacientes com Diabetes Tipo 2 (DM2) vinculados a um progra-ma de educação de usuários de mHealth (ClouDi) em comparação com o programa habitual de educação e acompanhamento presencial. Materiais e métodos: Estudo prospectivo longitudi-nal. Foram analisados pacientes com DM2 avaliados por consulta de educação em diabetes com indicação de tratamento insulínico na alta hospitalar. Foram analisados dois grupos: um com acompanhamento presencial e outro vinculado a um programa educativo e uso do ClouDi. Re-sultados: Dos 86 doentes (44% do sexo feminino, 41 utilizadores do ClouDi, idade média 58,8 ± 11,2 anos, com duração média da diabetes de 7,8 ± 7,4 anos), 53,6% encontravam-se no estra-to 2, 92,9% pertenciam ao regime contributivo, 42,9% com ensino fundamental básico e 51,2% empregados. A adesão ao GC foi considerada quando realizada e registrada 3 ou mais medidas por dia em pacientes ClouDi foi maior em comparação aos pacientes em cuidados habituais (64,4% vs 28,2%, p <0,001), independente das variáveis sociodemográficas. Conclusão: O uso do ClouDi esteve associado à maior adesão ao automonitoramento com GC em comparação ao acompanhamento presencial independente das variáveis sociodemográficas. O uso dessa tecnologia pode ser útil no monitoramento de pacientes usuários de insulina na alta hospitalar

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A expansão rápida da maxila (ERM) representa o procedimento gold-standard para correção da deficiência transversal do arco dentário superior. Porém, a idade é fator limitante para o sucesso da ERM convencional. Recentemente, a expansão rápida da maxila assistida por mini-implantes (MARPE) ampliou o limite de idade para separação da sutura palatina mediana (SPM), permitindo a correção minimamente invasiva da atresia maxilar, em pacientes adultos. O objetivo deste artigo foi relatar um caso clínico de um paciente adulto com mordida cruzada posterior tratado com MARPE, avaliar os efeitos transversais, o reparo da sutura palatina mediana (SPM) e a estabilidade da expansão após 8 meses de contenção. Paciente de sexo masculino, de 25 anos de idade, apresentava-se com mordida cruzada posterior bilateral, má oclusão de Classe III bilateral e estágio de maturação da SPM avançado. Foi indicado o tratamento com MARPE com 4 parafusos, posicionados parassuturalmente, seguido de tratamento compensatório para Classe III. Após a fase ativa da expansão o aparelho foi mantido por 12 meses como contenção. Após os 6 meses foram removidas as hastes do expansor e foi instalado o aparelho fixo, com uso de elásticos intermaxilares O reparo completo da SPM foi observada após um período de 12 meses de contenção. Após a ortodontia corretiva, uma adequada relação oclusal de molar Classe I foi alcançada (AU)

Rapid palatal expansion (RPE) represents the gold-standard procedure for correcting transverse maxillary dental arch deficiency. However, age is a limiting factor for the success of conventional RPE. Recently, mini-implant-assisted rapid palatal expansion (MARPE) has extended the age limit for midpalatal suture (MPS) separation, allowing for minimally invasive correction of maxillary atresia in adult patients. The aim of this article was to report a clinical case of an adult patient with posterior crossbite treated with MARPE, to evaluate the cross-sectional effects, midpalatal suture (MPS) repair and expansion stability after 8 months of retention. A 25-year-old male patient presented with bilateral posterior crossbite, bilateral Class III malocclusion, and advanced PMS maturation stage. Treatment with MARPE with 4 screws, positioned parasuturally, was indicated, followed by compensatory treatment for Class III. After the active phase of expansion, the appliance was kept for 12 months as a retainer. After 6 months, the expander rods were removed and the fixed appliance was installed using inter maxillary elastics. Complete PMS repair was observed after a period of 12 months of retention. After corrective orthodontics, an adequate Class I molar occlusal relationship was achieved (AU)

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Policy evaluation and guidance on fluoride use and sugar consumption in Latin American and Caribbean countries (LACC) may provide a scientific evidence basis for policymakers, dental professionals, civil society organizations and individuals committed to improving public oral health. A cross-sectional study was conducted to evaluate the extent of implementation of policies/guidelines on fluoride use, and sugar consumption in LACC. The study had two stages. First a questionnaire covering four major areas was developed: fluoridation of public water supplies; salt fluoridation; fluoride dentifrices, and sugar consumption. Then, the questionnaire was applied to collect data among representative participants in public oral health from LACC. Ninety-six participants from 18 LACC answered the questionnaire. One-hundred seventy documents were attached, and 285 links of websites were provided by the respondents. Implementation of policies and guidelines on water and table salt fluoridation and processed and ultra-processed food consumption were found in most countries, with some issues in the consensus and coverage. Thus, differences were identified in the extent of implementation of public oral health strategies on sugar consumption and fluoridation among the countries. There is no consensus on the policies in LACC to reduce sugar consumption and for the use of fluoride. A few policies and guidelines were applied in isolated countries, with a variety of strategies and standards. For future actions, it will be important to encourage the development of strategies and public policies within countries, and to evaluate the effectiveness of existing policies in reducing dental caries and in improving oral health in LACC.

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Introducción: El uso de plantas medicinales es parte de la cultura tradicional de muchas poblaciones alrededor del mundo, se utilizan para prevenir enfermedades y preservar la salud de los individuos, siendo un conocimiento que conservan las madres y abuelas para el cuidado de la primera infancia. Sin embargo, existen muchos vacíos en la investigación con respecto al uso y propiedades de plantas medicinales en lactantes y población general. Objetivo: Analizar y describir las prácticas y creencias con el uso ancestral de plantas medicinales en lactantes de la comunidad raizal en San Andrés Isla. Materiales y métodos: Estudio cualitativo descriptivo etnográfico aplicado a una muestra por conveniencia de ocho abuelas de la comunidad Raizal de San Andrés Isla. Se realizó la descripción y el análisis de las ideas, prácticas sociales, comportamientos, creencias, significados y conocimientos en torno al uso de plantas medicinales en lactantes. Resultados: Aún se conservan los conocimientos ancestrales con el uso de plantas medicinales liderado por las abuelas. El uso de plantas medicinales en lactantes se rige únicamente por la necesidad de manejo de situaciones de salud. En esta investigación se encontraron 23 ejemplares de plantas medicinales de uso en lactantes, de estas son pocas las que se encuentran registradas en el vademécum colombiano de plantas medicinales. Discusión: Los hallazgos concuerdan con los resultados de otros estudios que evidencian la importancia de la tradición cultural en el cuidado de los lactantes, el protagonismo de la experiencia acumulada de las abuelas en estos saberes y prácticas; además de corroborar que el uso de plantas medicinales en lactantes se rige únicamente por la necesidad de cuidado ante situaciones de salud que lo ameritan. Solo dos ejemplares de las plantas medicinales clasificadas por las mujeres raizales de este estudio se encuentran referenciadas en el vademécum colombiano de plantas medicinales. Conclusiones: Las plantas medicinales abordan un amplio espectro de usos y propiedades que necesitan un extenso estudio para su registro y divulgación.

Introduction: The use of medicinal plants is part of the traditional culture of many populations around the world. Used to prevent diseases and preserve the health of individuals, it is a knowledge that mothers and grandmothers keep for early childhood care. However, there are many gaps in research regarding the use and properties of medicinal plants in infants and the general population. Objective: Analyze and describe the practices and beliefs with the ancestral use of medicinal plants in infants by the Raizal community in San Andrés Island. Materials and methods: It's a qualitative study with a descriptive ethnographic design applied to a convenience sample of 8 grandmothers from the Raizal community of San Andrés Island. We made out a description and analysis of the ideas, social practices, behaviors, beliefs, meanings, and knowledge about the uses of medicinal plants on infants. Results: The ancestral knowledge of medicinal plants use led by the grandmothers still persevered. The use of medicinal plants on infants administers only to the need of health situations. The investigation found 23 specimens of medicinal plants used in infant breastmilk, just a few plants found in this study are registered in the Colombian Vademecum of medicinal plants. Discussion: The findings agree with the results of other studies that show the importance of cultural traditions in the care of infants, the role of the accumulated experience of grandmothers in this knowledge and practices. In addition to corroborating that the use of medicinal plants in infants is governed solely by the need for care in health situations that warrant it. Only two specimens of the medicinal plants classified by the Raizal women in this study are referenced in the Colombian Vademecum of medicinal plants. Conclusion: Medicinal plants address a wide spectrum of uses and properties that need extensive study for their registration and dissemination.

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Metal-organic frameworks (MOFs) have been an excellent platform for carbon dioxide reduction reactions (CO2RR). In this work, the feasibility of electrochemical reduction of CO2 to obtain C2-deep value-added products was investigated by the preparation of Mg-containing MOF-74 samples combined with transition metal cations (Ni2+, Co2+ and Zn2+). The prepared MOFs were used as electrocatalysts in CO2RR. Chronoamperometric analysis coupled to ATR-FTIR spectroscopy was employed to characterize the CO2 reduction products and subsequently via 1H NMR. Although an isostructural crystalline structure was observed in all synthesized MOFs, the pore diameter distribution was significantly affected due to the Mg coordination along with each transition metal nuclei with the organic ligand to form the MOF-74. Our results showed that Mg-containing MOF-74 electrocatalysts combined with Ni, Co and Zn ions successfully reduced CO2 to C2-deep products, while the monometallic Mg-MOF-74 showed only CO2 mineralization. An ester acetate, isopropyl alcohol, and formic acid were produced by Mg/Ni-MOF-74; isopropyl alcohol was provided by Mg/Co-MOF-74, and ethanol was generated by Mg/Zn-MOF-74. We observed that the change of the transition cation was a key factor in the selectivity of the obtained products, while the degree of Mg ions effectively incorporated into the MOF structure tuned the porosity and the electrocatalytic activity. Among them, Mg/Zn-MFOF-74 showed the highest Mg content loaded after synthesis and thus the most favorable electrocatalytic behavior towards CO2 reduction.

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Abstract Policy evaluation and guidance on fluoride use and sugar consumption in Latin American and Caribbean countries (LACC) may provide a scientific evidence basis for policymakers, dental professionals, civil society organizations and individuals committed to improving public oral health. A cross-sectional study was conducted to evaluate the extent of implementation of policies/guidelines on fluoride use, and sugar consumption in LACC. The study had two stages. First a questionnaire covering four major areas was developed: fluoridation of public water supplies; salt fluoridation; fluoride dentifrices, and sugar consumption. Then, the questionnaire was applied to collect data among representative participants in public oral health from LACC. Ninety-six participants from 18 LACC answered the questionnaire. One-hundred seventy documents were attached, and 285 links of websites were provided by the respondents. Implementation of policies and guidelines on water and table salt fluoridation and processed and ultra-processed food consumption were found in most countries, with some issues in the consensus and coverage. Thus, differences were identified in the extent of implementation of public oral health strategies on sugar consumption and fluoridation among the countries. There is no consensus on the policies in LACC to reduce sugar consumption and for the use of fluoride. A few policies and guidelines were applied in isolated countries, with a variety of strategies and standards. For future actions, it will be important to encourage the development of strategies and public policies within countries, and to evaluate the effectiveness of existing policies in reducing dental caries and in improving oral health in LACC.

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RESUMEN Introducción: La Leishmaniasis es una enfermedad infecciosa parasitaria zoonótica que afecta la piel, las mucosas y las vísceras. Es endémica en 98 países y hay más de 350 millones de personas en riesgo de transmisión. En Colombia, los campamentos de las antiguas Fuerzas Armadas Revolucionarias de Colombia, se ubicaban en zonas selváticas donde la enfermedad está presente. El objetivo del presente trabajo está dirigido a describir las prácticas y saberes de los excombatientes de las FARC-EP sobre la Leishmaniasis cutánea y su manejo en escenarios de combate al convivir con esta enfermedad. Métodos: El estudio es cualitativo/exploratorio, donde se abordaron los conocimientos sobre la enfermedad y su forma de transmisión, como también aquellas prácticas relacionadas con el uso de medicamentos para su tratamiento. Resultados: En el análisis de las entrevistas se encontró que los excombatientes conocen el ciclo de la enfermedad desde sus vivencias y por transmisión oral, como también de prácticas curativas propias adaptadas al contexto del conflicto armado, esta experiencia los llevó a desarrollar estrategias de gestión del conocimiento basado en la evidencia. Discusión: Las entrevistas dan cuenta del conocimiento empírico y clínico de los excombatientes sobre el ciclo de la enfermedad; no existe un registro documental, ni manuales de procedimientos realizados en la selva por las FARC-EP sobre tratamiento de enfermedades; los miembros de las FARC-EP a desarrollar estrategias de gestión del conocimiento basados en la evidencia; el contexto de conflicto afectó de manera importante el tiempo y los recursos técnicos para manejar la Leishmaniasis, esto posibilitó las respuestas alternativas a la enfermedad documentadas en este trabajo.

ABSTRACT Introduction: Leishmaniasis is a zoonotic parasitic infectious disease that affects the skin, mucous membranes and viscera. It is endemic in 98 countries and there are more than 350 million people at risk of transmission. In Colombia, the camps of the former Revolutionary Armed Forces of Colombia were located in jungle areas where the disease is present. The objective of this work is aimed at describing the practices and knowledge of ex-combatants of the FARC-EP about cutaneous Leishmaniasis and its management in combat scenarios when living with this disease. Methods: The study is qualitative/exploratory, where knowledge about the disease and its form of transmission were addressed, as well as those practices related to the use of medications for its treatment. Results: In the analysis of the interviews it was found that the ex-combatants know the cycle of the disease from their experiences and by oral transmission, as well as their own healing practices adapted to the context of the armed conflict, this experience led them to develop knowledge management strategies based on the evidence. Discussion: The interviews give an account of the empirical and clinical knowledge of the ex-combatants about the cycle of the disease; There is no documentary record, nor manuals of procedures carried out in the jungle by the FARC-EP on the treatment of diseases; the members of the FARC-EP to develop evidence-based knowledge management strategies; the context of conflict significantly affected the time and technical resources to manage Leishmaniasis, this made possible the alternative responses to the disease documented in this work.

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Although the commensal Streptococcus sanguinis [ S. sanguinis] is isolated from caries-free people, it can ferment carbohydrates producing acids. We aimed to characterize S. sanguinis cariogenic potential as a function of different enamel biofilm formation periods, in vitro. Saliva-coated enamel slabs were inoculated with S. sanguinis to form initial biofilms for 8, 12 or 16 h in presence of sucrose and followed by a period in medium with glucose for 16, 12 or 8 h, respectively, until completion of 24 h. To simulate cariogenic challenges, S. sanguinis biofilms were exposed to 10% sucrose for 5 minutes, 3x/day for 5 days. Biofilm biomass, viable cells, total proteins, intracellular and extracellular polysaccharides production, acidogenicity and enamel demineralization were determined. Biofilms of Streptococcus mutans [ S. mutans ] served as caries-positive control. Biofilms of S. sanguinis forming on enamel for 12 and 16 h showed higher demineralization than those formed during 8 h, but lower than S. mutans biofilms, regardless of the initial biofilm formation time. No differences were detected in the biofilm properties among the different biofilm formation times tested for S. sanguinis . Increased enamel initial biofilm formation time by S. sanguinis appears to induce a cariogenic potential, but lower than S. mutans .

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In the last decade, medical students stood out as active agents in their training, which implies their involvement in the design, implementation, evaluation, and curricular co-governance. This article describes a model of active undergraduate student participation from 2014 to 2021 and compares the face-to-face and synchronous online modalities, later brought forward by the SARS-COV-2 pandemic. Annually, a call was made to UC School of Medicine undergraduate students to establish the topics and areas to be addressed during self-managed seminars. Then, medical students located in Chile were invited to attend the activity. Psychiatry was established as a priority topic in six out of eight years. Five seminars were conducted, the last two in synchronous online mode. The number of people enrolled in the online modality increased by 251% compared to the face-to-face modality (face-to-face mean = 133 ± 33 SD; online mean = 336 ± 24SD), with no significant differences in rates of attendance between modalities (Odds ratio (OR) = 1,12; 95% CI= 0,82 - 1,55; p = 0,45). The online modality was associated with a higher proportion of enrollees belonging to an institution outside the Metropolitan Region (OR 12,63; 95% CI = 8,64 - 18,46; p < 0,01). The self-managed psychiatry seminars correspond to a model of active undergraduate student participation, with the synchronous online modality representing an opportunity to massify it throughout the national territory.

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