Overview of evidence-based clinical practice guidelines for difficult airway management in adults: a systematic review

Background : The aim of the clinical practice guidelines (CPGs) in the management of difficult airway is to provide optimal responses to a potentially life-threatening clinical problem.Objective : to summarize and compare relevant recommendations and algorithms from evidence-based CPGs (EB-CPGs).Methods : We conducted a systematic review (overview) of CPGs, following Cochrane methods. We summarized recommendations, its supporting evidence and strength of recommendations according to the GRADE methodology. In July 2018, we searched CPGs that were published in the last 10 years, without language restrictions, in electronic databases, and searched specific CPG sources, reference lists and consulted experts. We searched PubMed, EMBASE, Cochrane Library, LILACS, Tripdatabase and additional sources. Pairs of independent reviewers selected EB-CPGs and rated their methodological quality using the AGREE-II instrument. We included those EB-CPGs reporting standard methods for identification, data collection, study risk of bias assessment and recommendations’ level of evidence. Discrepancies were solved by consensus.Results: We included 11 EB-CPGs out of 2505 references identified in literature searches within the last ten years. Only three of them used the GRADE system. The domains with better performance in the AGREE-II assessment, were ‘adequate description of scoping’ and ‘objectives’ while those with worst performance were ‘‘Guidelines’ applicability’ and ‘monitoring’. As a result, only three EB-CPGs were classified as ‘Highly recommended, two as ‘Recommended’ and six as ‘Not recommended. We summarized 22 diagnostic recommendations, 22% of which were supported by high/moderate quality of evidence (41% of them were considered by developers as strong recommendations), and 16 therapeutic/preventive recommendations, 59% of which were supported by high/moderate quality of evidence (76% strong). Only half of the EB-CPGs were updated in the past five years.Conclusions : The main EB-CPGs in the management of difficult airway in anesthesia presented significant heterogeneity in terms of their quality and system of grading the evidence and strength of recommendation used, and most used their own systems. We present many strong recommendations that are ready to be considered for implementation, and we reveal opportunities to improve guidelines’ quality.Fil: Ciapponi, Agustín. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Investigaciones en Epidemiología y Salud Pública. Instituto de Efectividad Clínica y Sanitaria. Centro de Investigaciones en Epidemiología y Salud Pública; ArgentinaFil: Perelli, Lucas. Instituto de Efectividad Clínica y Sanitaria; ArgentinaFil: Cohen Arazi, Hernán. Instituto de Efectividad Clínica y Sanitaria; ArgentinaFil: Solioz, Germán. Instituto de Efectividad Clínica y Sanitaria; ArgentinaFil: Bardach, Ariel Esteban. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Investigaciones en Epidemiología y Salud Pública. Instituto de Efectividad Clínica y Sanitaria. Centro de Investigaciones en Epidemiología y Salud Pública; Argentin

Sugar sweetened beverages attributable disease burden and the potential impact of policy interventions: a systematic review of epidemiological and decision models

Background: Around 184,000 deaths per year could be attributable to sugar-sweetened beverages (SSBs) consumption worldwide. Epidemiological and decision models are important tools to estimate disease burden. The purpose of this study was to identify models to assess the burden of diseases attributable to SSBs consumption or the potential impact of health interventions. Methods: We carried out a systematic review and literature search up to August 2018. Pairs of reviewers independently selected, extracted, and assessed the quality of the included studies through an exhaustive description of each model’s features. Discrepancies were solved by consensus. The inclusion criteria were epidemiological or decision models evaluating SSBs health interventions or policies, and descriptive SSBs studies of decision models. Studies published before 2003, cost of illness studies and economic evaluations based on individual patient data were excluded. Results: We identified a total of 2766 references. Out of the 40 included studies, 45% were models specifically developed to address SSBs, 82.5% were conducted in high-income countries and 57.5% considered a health system perspective. The most common model’s outcomes were obesity/overweight (82.5%), diabetes (72.5%), cardiovascular disease (60%), mortality (52.5%), direct medical costs (57.35%), and healthy years -DALYs/QALYs- (40%) attributable to SSBs. 67.5% of the studies modelled the effect of SSBs on the outcomes either entirely through BMI or through BMI plus diabetes independently. Models were usually populated with inputs from national surveys -such us obesity prevalence, SSBs consumption-; and vital statistics (67.5%). Only 55% reported results by gender and 40% included children; 30% presented results by income level, and 25% by selected vulnerable groups. Most of the models evaluated at least one policy intervention to reduce SSBs consumption (92.5%), taxes being the most frequent strategy (75%). Conclusions: There is a wide range of modelling approaches of different complexity and information requirements to evaluate the burden of disease attributable to SSBs. Most of them take into account the impact on obesity, diabetes and cardiovascular disease, mortality, and economic impact. Incorporating these tools to different countries could result in useful information for decision makers and the general population to promote a deeper implementation of policies to reduce SSBs consumption.Fil: Alcaraz, Andrea. Instituto de Efectividad Clínica y Sanitaria; ArgentinaFil: Pichón-riviere, Andres. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Investigaciones en Epidemiología y Salud Pública. Instituto de Efectividad Clínica y Sanitaria. Centro de Investigaciones en Epidemiología y Salud Pública; ArgentinaFil: Palacios, Alfredo. Instituto de Efectividad Clínica y Sanitaria; ArgentinaFil: Bardach, Ariel Esteban. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Investigaciones en Epidemiología y Salud Pública. Instituto de Efectividad Clínica y Sanitaria. Centro de Investigaciones en Epidemiología y Salud Pública; ArgentinaFil: Balan, Dario Javier. Instituto de Efectividad Clínica y Sanitaria; ArgentinaFil: Perelli, Lucas. Instituto de Efectividad Clínica y Sanitaria; ArgentinaFil: Augustovski, Federico Ariel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Investigaciones en Epidemiología y Salud Pública. Instituto de Efectividad Clínica y Sanitaria. Centro de Investigaciones en Epidemiología y Salud Pública; ArgentinaFil: Ciapponi, Agustín. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Investigaciones en Epidemiología y Salud Pública. Instituto de Efectividad Clínica y Sanitaria. Centro de Investigaciones en Epidemiología y Salud Pública; Argentin

Construcción de modelos CIM/PIM en MDA aplicando Ingeniería de Software Basada en Modelos, lenguajes notacionales SysML-UML-OCL y herramientas CASE de soporte a la evolución y trazabilidad de modelos

El Desarrollo Dirigido por Modelos (MDD) se ha convertido actualmente en un importante paradigma de la Ingeniería de Software, proponiendo sustituir - como artefacto principal en el proceso de desarrollo del software - al código fuente de lenguajes de programación por modelos, permitiendo nuevas posibilidades de crear, analizar y manipular sistemas. En este ámbito, los aspectos de rastreo o trazabilidad son un importante desafío teórico-práctico, necesarios tanto en actividades de modelado manual como en procesos de transformación automática entre modelos. Proponemos integrar - a través del desarrollo práctico de un Proyecto de Modelado - las bases conceptuales de MDD, técnicas de Ingeniería de Software Basada en Modelos, lenguajes notacionales SysML-UML-OCL, buenas prácticas del proceso iterativo RUP y uso de herramientas CASE, promoviendo mecanismos que destacan evolución y trazabilidad entre artefactos de modelado durante el proceso de construcción de modelos CIM/PIM, en contexto del estándar MDA para la visión MDD.Sociedad Argentina de Informática e Investigación Operativ

Impacto de las políticas de restricción de publicidad, promoción y patrocinio de bebidas azucaradas. Revisión Sistemática

Objective.  To assess the impact of the implementation of a ban on advertising, promotion and sponsorship (PPP) of sugar-sweetened beverages (SSBs) in terms of reducing consumption, advertising exposure and relevant clinical outcomes. Material and methods A systematic review of studies published between 2001 and 2021 was conducted using the in PubMed, Embase and LILACS databases. Experimental, observational studies and economic models written in English, Portuguese or Spanish were included. Results. Sixteen studies out of 840 identified were selected. Due to outcomes heterogeneity, a meta-analysis was not possible. The interventions included comprehensive policies, general SSBs PPP restriction policies,TV advertising, promotional, point-of-sale, and school restrictions. Clinical outcomes (such as obesity, cardiovascular disease, diabetes, and cancer), economic outcomes (such as purchase, sale, cost-effectiveness, and other economic outcomes), changes in exposure, consumption, and other measures of effectiveness were assessed. Most effect measures showed decreases following the interventions. Conclusions. Policies that include PPP restrictions on SSBs can be effective in reducing consumption, especially among children and adolescents, and have a positive impact on their health.Objetivo.  Evaluar el impacto de la implementación de la prohibición de la publicidad, promoción y patrocinio (PPP) de las bebidas azucaradas (BA) en términos de disminución de consumo, exposición publicitaria y desenlaces clínicos relevantes. Material y métodos. Revisión sistemática de estudios publicados entre 2001-2021 en bases de datos PubMed, Embase y LILACS escritos en inglés, portugués o español. Se incluyeron estudios experimentales, observacionales y modelos económicos. Resultados. Se seleccionaron 16 de 840 estudios identificados. Debido a la heterogeneidad en los desenlaces no fue posible realizar un meta-análisis. Las intervenciones incluidas correspondieron a una política integral, medidas generales de restricción de PPP de BA, restricciones de publicidad televisiva, de promociones, en punto de venta y en escuelas. Se hallaron desenlaces clínicos (obesidad, enfermedad cardiovascular, diabetes, cáncer), económicos (compra, venta, costo-efectividad, otros desenlaces económicos), cambios en la exposición, en el consumo y en otras medidas de efectividad.  La mayoría de las medidas de efecto evaluadas registraron disminuciones a partir de las intervenciones. Conclusiones. Las políticas que incluyen una restricción de la PPP de las BA resultarían efectivas, sobre todo para disminuir su consumo en NNyA, impactando positivamente en su salud

Essential parameters for use in epidemiological models of COVID-19 in Argentina: a rapid review

INTRODUCCIÓN: Los modelos de simulación para COVID-19 requieren una serie de parámetros epidemiológicos que varían en base a cuestiones propias de cada región y al momento de la pandemia que se esté atravesando. OBJETIVO: Esta revisión rápida presenta los parámetros epidemiológicos esenciales potencialmente utilizables en Argentina. MÉTODOS: Se realizó una búsqueda en las principales bases de datos y en buscadores de artículos en estado de preimpresión (preprints) de parámetros relacionados con la propagación del virus y evolución de la enfermedad, y el uso del sistema de salud. Para revisar los artículos seleccionados se utilizó una herramienta de evaluación de calidad apropiada al diseño del estudio. RESULTADOS: De las variables relacionadas con la propagación y evolución; el período de incubación es de 5,8 días (intervalos de confianza [IC95%]: 4,83-6,85), el período de infecciosidad es de 6,25 días (IC95%: 5,09-7,51), el número básico de reproducción es de 3,32 (IC95%: 3,24-3,39), y la tasa de fatalidad en pacientes infectados fue de 0,64% (IC95%: 0,5-0,78). De las variables relacionadas con el uso del sistema de salud, el tiempo de internación hospitalaria es de 5 días (rango intercuartílico [RIC]: 3-9), el tiempo de internación en una unidad de cuidados intensivos (UCI) es de 7 días (RIC: 4-11), el porcentaje de pacientes internados que requieren de UCI es de 26% (IC95%: 20-33) y, de estos, el porcentaje que requieren de ventilación mecánica es de 69% (IC95%: 61-75). DISCUSIÒN: Estudios recientes y datos de acceso públicos a nivel nacional muestran valores distintos a los relevados de la bibliografía internacional. La información recolectada en este trabajo puede contribuir a informar futuros modelamientos y tableros de control para predecir la dinámica de la epidemia en Argentina.INTRODUCTION: Simulation models for COVID-19 require a set of epidemiological parameters that vary according to regional issues and the timing of the pandemic. OBJECTIVE: This rapid review presents the essential epidemiological parameters potentially usable in Argentina. METHODS: A search of the main databases and search engines for articles in preprint status (preprints) of parameters related to the spread of the virus and evolution of the disease, and the use of the health system was carried out. A quality assessment tool appropriate to the study design was used to review the selected articles. RESULTS: Of the variables related to the spread and evolution; the incubation period is 5.8 days (confidence intervals [CI95%]: 4.83-6.85), the infectious period is 6.25 days (CI95%: 5.09-7.51), the basic reproduction number is 3.32 (CI95%: 3.24-3.39), and the fatality rate in infected patients was 0.64% (CI95%: 0.5-0.78). Of the variables related to health system use, the length of hospital stay was 5 days (interquartile range [IQR]: 3-9), the length of stay in an intensive care unit (ICU) was 7 days (IQR: 4-11), the percentage of hospitalized patients requiring ICU was 26% (CI95%: 20-33) and, of these, the percentage requiring mechanical ventilation was 69% (CI95%: 61-75). DISCUSSION: Recent studies and publicly available data at the national level show values different from those reported in the international literature. The information collected in this work may contribute to inform future modeling and dashboards to predict the dynamics of the epidemic in Argentina.Fil: Argento, Fernando Javier. Instituto de Efectividad Clínica y Sanitaria; ArgentinaFil: Rodriguez Cairoli, Federico. Instituto de Efectividad Clínica y Sanitaria; ArgentinaFil: Perelli, Lucas. Instituto de Efectividad Clínica y Sanitaria; ArgentinaFil: Augustovski, Federico Ariel. Instituto de Efectividad Clínica y Sanitaria; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Pichon Riviere, Andrés. Instituto de Efectividad Clínica y Sanitaria; ArgentinaFil: Bardach, Ariel Esteban. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Investigaciones en Epidemiología y Salud Pública. Instituto de Efectividad Clínica y Sanitaria. Centro de Investigaciones en Epidemiología y Salud Pública; Argentin

Fixed vs adjusted-dose benznidazole for adults with chronic Chagas disease without cardiomyopathy: A systematic review and meta-analysis

Chagas disease is a neglected disease that remains a public health threat, particularly in Latin America. The most important treatment options are nitroimidazole derivatives, such as nifurtimox and benznidazole (BZN). Some studies suggest that for adults seropositive to T. cruzi but without clinically evident chronic Chagas cardiomyopathy (CCC), a simple fixed-dose scheme of BZN could be equivalent to a weight-adjusted dose. We compared the efficacy and safety of a fixed dose of BZN with an adjusted dose for T. cruzi seropositive adults without CCC. We used the Cochrane methods, and reported according to the PRISMA statement. We included randomized controlled trials (RCTs) allocating participants to fixed and/or adjusted doses of BZN for T. cruzi seropositive adults without CCC. We searched (December 2019) Cochrane, MEDLINE, EMBASE, LILACS, Clinicaltrials.gov, and International Clinical Trials Registry Platform (ICTRP), and contacted Chagas experts. Selection, data extraction, and risk of bias assessment, using the Cochrane tool, were performed independently by pairs of reviewers. Discrepancies were solved by consensus within the team. Primary outcomes were parasite-related outcomes and efficacy or patient-related safety outcomes. We conducted a meta-analysis using RevMan 5.3 software and used GRADE summary of finding tables to present the certainty of evidence by outcome. We identified 655 records through our search strategy and 10 studies (four of them ongoing) met our inclusion criteria. We did not find any study directly comparing fixed vs adjusted doses of BZN, however, some outcomes allowed subgroup comparisons between fixed and adjusted doses of BZN against placebo. Moderate-certainty evidence suggests no important subgroup differences for positive PCR at one year and for three safety outcomes (drug discontinuation, peripheral neuropathy, and mild rash). The same effect was observed for any serious adverse events (low-certainty evidence). All subgroups showed similar effects (I2 0% for all these subgroup comparisons but 32% for peripheral neuropathy), supporting the equivalence of BZN schemes. We conclude that there is no direct evidence comparing fixed and adjusted doses of BZN. Based on low to very low certainty of evidence for critical clinical outcomes and moderate certainty of evidence for important outcomes, fixed and adjusted doses may be equivalent in terms of safety and efficacy. An individual patient data network meta-analysis could better address this issue.Fil: Ciapponi, Agustín. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Investigaciones en Epidemiología y Salud Pública. Instituto de Efectividad Clínica y Sanitaria. Centro de Investigaciones en Epidemiología y Salud Pública; ArgentinaFil: Barreira, Fabiana. No especifíca;Fil: Perelli, Lucas. Instituto de Efectividad Clínica y Sanitaria; ArgentinaFil: Bardach, Ariel Esteban. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Investigaciones en Epidemiología y Salud Pública. Instituto de Efectividad Clínica y Sanitaria. Centro de Investigaciones en Epidemiología y Salud Pública; ArgentinaFil: Gascón, Joaquim. Hospital Clínic Barcelona; EspañaFil: Molina, Israel. Hospital Universitari Vall d’Hebron Research Institute; EspañaFil: Morillo, Carlos. McMaster University; CanadáFil: Prado, Nilda. Dirección Nacional de Instituto de Investigación. Administración Nacional de Laboratorio e Instituto de Salud "Dr. C. G. Malbrán". Instituto Nacional de Parasitología "Dr. Mario Fatala Chaben"; ArgentinaFil: Riarte, Adelina Rosa. Dirección Nacional de Instituto de Investigación. Administración Nacional de Laboratorio e Instituto de Salud "Dr. C. G. Malbrán". Instituto Nacional de Parasitología "Dr. Mario Fatala Chaben"; ArgentinaFil: Torrico, Faustino. Universidad Mayor de San Simón; BoliviaFil: Ribeiro, Isabela. No especifíca;Fil: Villarreal, Juan Carlos. Universidad Autónoma de Bucaramanga; ColombiaFil: Sosa-Estani, Sergio Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Investigaciones en Epidemiología y Salud Pública. Instituto de Efectividad Clínica y Sanitaria. Centro de Investigaciones en Epidemiología y Salud Pública; Argentin

The health, economic and social burden of smoking in Argentina, and the impact of increasing tobacco taxes in a context of illicit trade

Tobacco tax increases, the most cost-effective measure in reducing consumption, remain underutilized in low and middle-income countries. This study estimates the health and economic burden of smoking in Argentina and forecasts the benefits of tobacco tax hikes, accounting for the potential effects of illicit trade. Using a probabilistic Markov microsimulation model, this study quantifies smoking-related deaths, health events, and societal costs. The model also estimates the health and economic benefits of different increases in the price of cigarettes through taxes. Annually, smoking causes 45,000 deaths and 221,000 health events in Argentina, costing USD 2782 million in direct medical expenses, USD 1470 million in labor productivity loss costs, and USD 1069 million in informal care costs-totaling 1.2% of the national gross domestic product. Even in a scenario that considers illicit trade of tobacco products, a 50% cigarette price increase through taxes could yield USD 8292 million in total economic benefits accumulated over a decade. Consequently, raising tobacco taxes could significantly reduce the health and economic burdens of smoking in Argentina while increasing fiscal revenue

The burden of disease and economic impact of sugar-sweetened beverages' consumption in Argentina : A modeling study

BACKGROUND: Approximately two-thirds of Argentine adults are overweight or obese, and 11% have diabetes. Over the last two decades, all population groups have increased their consumption of ultra-processed foods and sugar-sweetened beverages (SSB). We aimed to estimate the disease burden-deaths, events, and costs to the health system-attributed to SSB consumption in Argentina. METHODS: We used a comparative risk assessment framework to estimate the health and economic impacts that would be avoided in a scenario without sugar-sweetened beverage (SSB) consumption. We calculated the direct effects on diabetes, cardiovascular disease, and BMI, and then estimated the effects of BMI on disease incidence. Finally, we applied the population attributable factor to calculate the health and economic burden avoided in Argentina in 2020. RESULTS: Our model estimated that about 4,425 deaths, 110,000 healthy life years lost to premature death and disability, more than 520,000 cases of overweight and obesity in adults, and 774,000 in children and adolescents would be attributed to SSB Consumption in Argentina. This disease burden corresponds to 23% of type-2 diabetes cases and other significant proportions of cardiovascular disease and cancer. The overweight and obesity costs attributable to SSB totaled approximately $47 million in adults and$15 million in children and adolescents. CONCLUSION: A significant number of disease cases, deaths, and health care costs could be attributed to SSB consumption in Argentina. Implementing measures to reduce the sugar content in beverages is a pending debt for the country and could lead to measurable improvements in population health, especially among children and adolescents

Carga de enfermedad y económica atribuible al consumo de bebidas azucaradas en El Salvador

OBJECTIVE: To estimate the burden of disease and economic burden attributable to the consumption of sugar-sweetened beverages in El Salvador. METHODS: A comparative risk model was used to estimate the effects on deaths, health events, disability-adjusted life years (DALYs), and direct medical costs attributable to the consumption of sugar-sweetened beverages. RESULTS: A total of 520 deaths (8 per 100 000 individuals), 214 082 health events (3 220 per 100 000 individuals) and 16 643 DALYs could be attributable to the consumption of sugar-sweetened beverages in El Salvador, representing US$69.35 million in direct medical costs for the year 2020. In particular, type 2 diabetes (T2DM) events attributable to the consumption of sugar-sweetened beverages could represent more than 20% of total T2DM cases in the country. CONCLUSION: A high number of deaths, events, and costs could be attributed to the consumption of sugar-sweetened beverages in El Salvador

Health and economic burden of sugar-sweetened beverages consumption in Brazil

Sugar-sweetened beverages (SSBs) are a major source of added sugar and are associated with noncommunicable diseases (NCDs) such as obesity and diabetes. This study assessed the impact of SSBs consumption on disease burden in Brazil, including deaths, disability-adjusted life years (DALYs), and healthcare costs. A 3-stage methodology was used to assess the direct effects of SSBs on diabetes, cardiovascular diseases, and body mass index (BMI), along with the influence of BMI on disease incidence. These assessments were then used to estimate the economic and health burden using population-attributable factors. Results showed that 2.7% and 11% of adult and children overweight/obesity cases were attributable to SSBs, respectively. SSBs consumption in Brazil led to 1,814,486 cases, 12,942 deaths, 362,088 DALYs, and USD 2,915.91 million in medical costs related to diabetes, cardiovascular diseases, oncological diseases, and other NCDs. Urgent implementation of public policies is crucial to address the consumption of SSBs, recognized as a key risk factor for NCDs