Reporte de caso: síndrome de absorción intravascular en histeroscopia, intoxicación por glicina / Case report: Intravascular absorption syndrome in hysteroscopy, glycine intoxication

El síndrome de absorción intravascular en histeroscopia se origina por la rápida absorción vascular de soluciones isotónicas e hipotónicas utilizadas en irrigación intrauterina, ocasionando hipervolemia y dilución de electrolitos, especialmente hiponatremia. Cuando este síndrome es debido a intoxicación por glicina al 1,5% causa acidosis severa y neurotoxicidad. La incidencia de este síndrome es baja pero puede aumentar por factores como: falta de control de altura de bolsas de irrigación, ausencia de equilibrio de fluidos de soluciones de irrigación, tejidos altamente vascularizados como miomas uterinos y uso de sistema de electrocirugía monopolar. Se reporta el caso de una paciente con miomas uterinos, programada para resección mediante histeroscopia que cursa con síndrome de absorción intravascular por glicina, el temprano diagnóstico y rápido tratamiento intraoperatorio y postoperatorio permitió una evolución favorable. El manejo se basó en el uso de diuréticos, restricción de fluidos y soluciones hipertónicas de sodio.

Intravascular absorption syndrome in hysteroscopy is caused by rapid vascular absorption of isotonic and hypotonic solutions used in intrauterine irrigation, causing hypervolemia and electrolyte dilution, especially hyponatremia. When this syndrome is due to 1.5% glycine toxicity, it causes severe acidosis and neurotoxicity. The incidence of this syndrome is low but may increase due to factors such as: lack of control of the height of irrigation bags, lack of fluid balance in irrigation solutions, highly vascularized tissues such as uterine myomas and use of a monopolar electrosurgery system. The case of a patient with uterine myomas, scheduled for resection by hysteroscopy, who presents with intravascular glycine absorption syndrome, is reported. Early diagnosis and rapid intraoperative and postoperative treatment allowed a favorable evolution. Management was based on the use of diuretics, fluid restriction, and hypertonic sodium solutions.

El rol del laboratorio en los hallazgos de intoxicación y exposición a monóxido de carbono / The role of the laboratory in findings of carbon monoxide poisoning and exposure

El monóxido de carbono es un gas altamente tóxico que se origina principalmente por la combustión incompleta de combustibles fósiles. La intoxicación presenta síntomas inespecíficos que solapan otras patologías y por lo tanto es indispensable la confirmación mediante la medición de la carboxihemoglobina en sangre. El laboratorio incorporó la determinación en el informe del estado ácido base a partir de octubre del 2018, debido a que previamente el médico debía solicitarla frente a la sospecha de una intoxicación. El objetivo del trabajo fue evaluar si esta medida implementada por el laboratorio contribuyó a mejorar el diagnóstico de intoxicación por CO, analizar las características de los pacientes con COHb mayor o igual a 5% y definir un valor de reporte inmediato para la COHb. El 46% de los casos con COHb mayor o igual a 5% no se relacionaban con una intoxicación y/o exposición a CO. De los casos de intoxicación se encontró que el 77% fueron diagnosticados a partir de la sospecha médica y un 23% por hallazgo del laboratorio. Se concluyó que es de mucha utilidad el rol del laboratorio en detectar aquellos casos que no fueron evidentes clínicamente. Existen ciertas patologías como las oncológicas o la enfermedad de Wilson donde se vieron valores elevados de COHb sin presentar intoxicación y se definió finalmente, como valor de reporte inmediato 7% para la COHb. (AU)

Carbon monoxide is a highly toxic gas that originates mainly from incomplete combustion of fossil fuels. Intoxication causes nonspecific symptoms that overlap with other conditions and, therefore, confirmation by measuring blood carboxyhemoglobin is essential. The laboratory incorporated the measurement in the acid-base status report as of October 2018, as it was previously required to be requested by the physician in case of suspected intoxication. The aim of this study was to evaluate whether this measure implemented by the laboratory contributed to the improvement of the diagnosis of CO intoxication, to analyze the characteristics of patients with COHb greater than or equal to 5% and to define an immediate reporting value for COHb. Overall, 46% of the cases with COHb greater than or equal to 5% were not related to CO poisoning and/or exposure. Of the cases of intoxication, 77% were diagnosed based on medical suspicion and 23% on laboratory findings. It was concluded that the laboratory has a useful role in detecting cases that were not clinically evident. There are certain diseases including different types of cancer or Wilson's disease where elevated COHb values were seen without intoxication and finally, 7% for COHb was defined as the immediate reporting value (AU)

Muerte accidental por consumo combinado de cocaína y etanol Revisión bibliográfica / Accidental death from combined cocaine and ethanol use. Literature review

La autopsia médico legal en Costa Rica, en casos sospechosos de intoxicación por cocaetileno se debe realizar bajo las normas establecidas en la Guía de estándares de trabajo para la Sección de Patología Forense del Departamento de Medicina Legal. El análisis del mecanismo fisiopatológico de cómo estas sustancias provocan alteraciones en el organismo que pueden conllevar a un eventual fallecimiento corresponde a parte del análisis requerido en la investigación ante la sospecha de esta causa de muerte. Por lo anterior, el objetivo de este artículo es describir los mecanismos fisiopatológicos que ocurren durante el consumo combinado de cocaína y etanol, los mecanismos que conllevan a la muerte de personas consumidoras de estas sustancias y las consideraciones médico legales a tomar en cuenta para el diagnóstico de esta causa de muerte. Se realizó revisión de artículos científicos, sobre los efectos del uso combinado de la cocaína y el etanol. La literatura describe que el uso combinado de cocaína y etanol potencia los efectos farmacocinéticos y bioquímicos de cada una de estas sustancias, que su derivado, el cocaetileno, es capaz de generar por sí mismo los mecanismos causantes de la muerte. Que los principales mecanismos fisiopatológicos que conllevan la muerte ante el uso combinado de estas sustancias son de origen cardiovascular y hepático. Como consideraciones médico legales a tomar en cuenta para el diagnóstico de esta manera de muerte accidental, en la Sección de Toxicología del Departamento de Ciencias Forenses de Costa Rica, la cuantificación del cocaetileno y las sustancias relacionadas no se realiza, aunque se encuentra actualmente en el desarrollo de un proyecto para la determinación de la estabilidad de las drogas en sangre bajo las condiciones de almacenamiento, con el fin de ofrecer la posibilidad de cuantificar ciertas drogas (en donde se podría incluir el cocaetileno) en un futuro próximo.

Medical-legal autopsy in Costa Rica, in suspected cases of cocaethylene poisoning must be performed under the regulations established in the Work Standards Guide for the Forensic Pathology Section of the Department of Legal Medicine. The analysis of the pathophysiological mechanism of how these substances cause alterations in the organism that can lead to eventual death corresponds to part of the analysis required in the investigation when this cause of death is suspected. Therefore, the objective of this article is to describe the pathophysiological mechanisms that occur during the combined consumption of cocaine and ethanol, the mechanisms that lead to the death of people who consume these substances, and the medico-legal considerations to be considered for the diagnosis. of this cause of death. A review of scientific articles was carried out on the effects of the combined use of cocaine and ethanol. The literature describes that the combined use of cocaine and ethanol enhances the pharmacokinetic and biochemical effects of each one of these substances, that its derivative, cocaethylene, can generate the mechanisms that cause death by itself. That the main pathophysiological mechanisms that lead to death in the combined use of these substances are of cardiovascular and hepatic origin. As legal medical considerations to take into account for the diagnosis of this type of accidental death, in the Toxicology Section of the Department of Forensic Sciences of Costa Rica, the quantification of cocaethylene and related substances is not carried out, although it is currently in the development of a project for the determination of the stability of drugs in blood under storage conditions, in order to offer the possibility of quantifying certain drugs (which could include cocaethylene) in the near future.

A Community Based Cross-Sectional Study to Assess the Socio-Economic and Health Status of Rag Pickers in Varanasi slums, North India

Background- Rag picking is one of the inferior economic activities in the urban informal sector, largely undertaken by children belonging to weaker sections of society for their survival and for supplementing their family income. Rag picking is one of the most dangerous activities in India. Rag pickers are working in a filthy environment surrounded by dust, dogs, and pigs. They suffer from many diseases, such as respiratory problems, anemia, fever, and other problems which include cuts, rashes, and injuries. Waste pickers are the general term adopted by the 1 st World Conference of Waste Pickers in 2008. Objective- [a] To assess the socio-economic condition of ragpickers in Varanasi, [b] To know the health condition and treatment behavior of ragpickers in Varanasi. Materials and Methods- A community-based descriptive cross-sectional study in which ragpickers reside in the slum area of Varanasi. All men and women present at the time of the interview who were involved in rag picking from the last 6 months were included. Seriously ill men and women were excluded. Since we had no prior knowledge about the proportion of cases (P) so a pilot study was conducted in which prevalence of health problem found in rag pickers in the last 6 months (P) = 0.90. Total estimated sample size is 100. In this study, Simple Random sampling was used. By using this sampling 100 individuals were selected randomly, fulfilling the inclusion criteria. Results-82 (82.0%) rag pickers were not educated in which 75 (91.5%) rag pickers suffered from health problems. Maximum 74 (74.0 %) rag pickers were migrants. Maximum 74 (74.0%) rag pickers were married in which 36 (48.0 %) rag pickers were married between 14- 18 ages. 80 (80.0%) rag pickers had not used any precautionary measure during rag picking in which 73 (91.2%) rag pickers faced health problems. Maximum 39(39.0%) were affected by dust during rag picking. Only 17(17%) ragpickers preferred government hospitals for treatment. 75 (75.0 %) rag pickers were addicted to intoxication in which 66 (88.0%) rag pickers faced health problems. 91 (91%) ragpickers affected by any health problems in the last 6 months in which a maximum of 63.7% of rag pickers suffered from fever, 60.4% of rag pickers complained about injuries, 56.2 % of rag pickers suffered from weakness problems, 52.7% of rag pickers affected by cough problems. There is a highly significance between educational status and any kind of intoxication. Discussion- The literacy level among the rag pickers was 18% which is much lower than the average literacy rate of Varanasi 75.60% (2011census). A study on slum dwellers in Dhaka showed the literacy rate higher than the finding of this study (18 vs 25 %). 28.0% of rag pickers adopted this work because they had no education. There is a high significance between educational status and any kind of intoxication. Chances of intoxication are high when no education among rag pickers. It is highly significant between educational status and health problems of rag pickers in the last 6 months. Uneducated rag pickers were not aware of the health effects.

Uso de agrotóxicos e mortes por câncer no estado do Rio Grande do Sul / Pesticide use and cancer deaths in Rio Grande do Sul, Brazil

Resumo Este estudo teve como objetivo caracterizar as regiões de saúde do estado do Rio Grande do Sul (RS) quanto ao uso de agrotóxicos e à mortalidade por câncer de próstata, linfoma não Hodgkin (LNH) e leucemias. Para cada região de saúde foram estimados o volume total de agrotóxicos utilizado, o volume usado por área plantada, a proporção de lavouras com uso, a proporção de agricultura familiar e o grau de desigualdade na distribuição das terras. A mortalidade pelos três tipos de câncer foi descrita com base na mortalidade proporcional e na taxa de mortalidade ajustada por idade. A associação entre as variáveis foi estimada pelo coeficiente de correlação de Spearman. A mortalidade por câncer de próstata mostrou-se relacionada à produção agrícola intensa, utilização de elevado volume de agrotóxicos e menor proporção de agricultura familiar. Já a mortalidade por linfoma não Hodgkin e leucemias esteve associada positivamente à proporção de agricultura familiar. Mortalidade proporcional e taxa de mortalidade ajustada por idade mostraram-se positivamente correlacionadas para os três tipos de câncer. Este estudo demonstrou que, nas regiões de saúde do RS, a mortalidade pelos três tipos de câncer investigados está vinculada, em diferentes intensidades, ao uso de agrotóxicos e a características da agricultura praticada.

Abstract This study characterizes the health regions of the Rio Grande do Sul State regarding pesticide use and mortality by prostate cancer, Non-Hodgkin's Lymphoma and leukemias. Total volume of pesticide used, volume used per planted area, the proportion of crops using pesticides, the proportion of family farming and the degree of inequality in land distribution were estimated for each region. Mortality from the three types of cancer was described by proportional mortality and age-adjusted mortality rate. Association between variables was estimated using Spearman's correlation coefficient. Prostate cancer mortality was associated with intense agricultural production, high volume of pesticide use and a lower proportion of family farming. Mortality from Non-Hodgkin's Lymphoma and leukemias, in turn, was positively associated with the proportion of family farming. Proportional mortality and age-adjusted mortality rate were positively correlated for the three types of cancer. In conclusion, in the health regions of Rio Grande do Sul, mortality by the three types of cancer investigated is associated, albeit at different intensities, with pesticide use and the type of agriculture practiced.

Intoxication par tortue de mer vue au Centre Hospitalier Universitaire Antanambao, Toliara, Madagascar / Poisoning by sea turtle at the Antanambao University Hospital, Toliara, Madagasca

Le chélonitoxisme est une intoxication collective par consommation de la chair, de la peau et des viscères de la tortue marine. Elle est peu fréquente. Notre objectif était de décrire l'aspect épidémio-clinique et thérapeutique de l'intoxication par tortue de mer. Méthodes : Il s'agit d'un rapport de cas effectué au Centre Hospitalier Universitaire (CHU) Antanambao Toliara, Madagascar après une intoxication collective dans la commune rurale de Soalara Sud, Toliara. Résultats : Nous avons colligé 70 patients qui ont ingéré une tortue adulte du genre Eretmochelys imbricata. Les signes cliniques étaient du type chélonitoxisme. Parmi les 70 cas, 8 patients ont été hospitalisés. L'âge des patients intoxiqués variait de 2 ans à 65 ans avec un âge moyen de 20 ± 14 ans. La tranche d'âge entre 10-20 ans était la plus touchée (44%). Les hommes représentaient 54% des patients avec un sex ratio de 1,18. Cinquante-huit pourcent ont eu leurs premiers signes 24 heures après l'intoxication et 81% des patients ont été vus au CHU entre 24 et 48 heures. Les signes cliniques du chélonitoxisme sont polymorphes : 86% ont présenté une asthénie, 91% des nausées, 25% des vomissements, 71% des céphalées et 21% des stomatites. A l'issue de l'hospitalisation, 99% des malades ont été guéris et un patient est décédé. Les traitements étaient symptomatiques. Conclusion : L'intoxication par tortue de mer est généralement bénigne. La prise en charge est symptomatique.

Caffeine intoxication as a result of excessive consumption of bottled coffee products: a case report / Journal of Rural Medicine

Objectives: Most cases of caffeine intoxication result from the excessive intake of over-the-counter drugs and energy drinks. However, few cases of caffeine intoxication due to the excessive consumption of bottled coffee products have been reported. Herein, we present a case report of caffeine intoxication.Patient: A 39-year-old man experienced numbness and weakness in the extremities for three nights over five days.Results: Blood tests revealed hypophosphatemia and low 25-OH vitamin D concentration. The symptoms disappeared the next day without any additional treatment. A lifestyle interview revealed that he regularly consumed bottled coffee like it was water and had approximately 1 L of it from evening to night. He was diagnosed with weakness in the extremities due to hypophosphatemia caused by caffeine intoxication. Upon investigating some bottled coffee products, we found that only a few of them had labels disclosing caffeine content and warnings of the risks of excessive caffeine intake.Conclusion: We encountered a case of caffeine intoxication via coffee. Although rare in the past, caffeine intoxication might increase owing to the widespread use of bottled coffee products. The caffeine content of coffee products should be indicated on labels to warn consumers.

Effects of Nintedanib associated with Shenfu Injection on paraquat-induced lung injury in rats / 中华劳动卫生职业病杂志

Objective: To study the effects of Nintedanib associated with Shenfu Injection on lung injury induced by paraquat (PQ) intoxication. Methods: In September 2021, a total of 90 SD rats were divided into 5 groups in random, namely control group, PQ poisoning group, Shenfu Injection group, Nintedanib group and associated group, 18 rats in each group. Normal saline was given by gavage route to rats of control group, 20% PQ (80 mg/kg) was administered by gavage route to rats of other four groups. 6 hours after PQ gavage, Shenfu Injection group (12 ml/kg Shenfu Injection), Nintedanib group (60 mg/kg Nintedanib) and associated group (12 ml/kg Shenfu Injection and 60 mg/kg Nintedanib) were administered with medicine once a day. The levels of serum transforming growth factor beta1 (TGF-β1), interleukin-1 beta (IL-1β) were determined at 1, 3 and 7 d, respectively. The pathological changes of lung tissue, the ratio of wet weight and dry weight (W/D) of lung tissue, the levels of superoxide dismutase (SOD) and malondialdehyde (MDA) in lung tissue were observed and determined after 7 d. Western blot was used to analyse the expression levels of fibroblast growth factor receptor 1 (FGFR1), platelet derivation growth factor receptor alpha (PDGFRα), vascular endothelial growth factor receptor 2 (VEGFR2) in lung tissue after 7 d. Results: The levels of TGF-β1, IL-1β in all poisoning groups went up first and then went down. The levels of TGF-β1, IL-1β in associated group at 1, 3, 7 d were lower than that of PQ poisoning group, Shenfu Injection group and Nintedanib group at the same point (P<0.05). Pathological changes of lung tissue under the light microscopes showed that the degrees of hemorrhage, effusion and infiltration of inflammatory cells inside the alveolar space of Shenfu Injection group, Nintedanib group and associated group were milder than that of PQ poisoning group, and the midest in associated group. Compared with control group, the W/D of lung tissue was higher, the level of MDA in lung tissue was higher, while the level of SOD was lower, the expressions of FGFR1, PDGFRα and VEGFR2 in lung tissue were higher in PQ poisoning group (P<0.05). Compared with PQ poisoning group, Shenfu Injection group and Nintedanib group, the W/D of lung tissue was lower, the level of MDA in lung tissue was lower, while the level of SOD was higher, the expressions of FGFR1, PDGFRα and VEGFR2 in lung tissue were lower in associated group (P<0.05) . Conclusion: Nintedanib associated with Shenfu Injection can relieve lung injury of rats induced by PQ, which may be related to Nintedanib associated with Shenfu Injection can inhibit the activation of TGF-β1 and the expressions of FGFR1, PDGFRα, VEGFR2 in lung tissue of rats.

Análise de intoxicação por medicamentos / Analysis of drug intoxication / Análisis de intoxicaciones medicamentosas

Os Centros de Assistência Toxicológica possuem uma importância relevante na promoção, prevenção e controle de agravos à saúde em casos de intoxicação, pois fornece um serviço de orientação e atendimento especializado para lidar com essas situações e para minimizar os prejuízos causados pelos agentes tóxicos. Diante disso, o objetivo do estudo foi analisar o perfil epidemiológico de intoxicações por medicamento, no período de 2017 a 2021, no estado do Ceará. Este estudo está caracterizado como epidemiológico exploratório- descritivo, de abordagem quantitativa, em que serão analisados os dados secundários do registro de casos de intoxicações por medicamento, registrados no Sistema Nacional de Agravos de Notificação, entre os anos de 2017 e 2021. Os dados foram coletados no período de março a abril de 2022. As variáveis levantadas são faixa etária, sexo, circunstâncias das intoxicações, óbito. Nas análises epidemiológicas foi feito o cálculo dos registros de intoxicação por medicamentos coletados no SINAN-TABNET. Resultados: Os resultados desse estudo no período de 2017 a 2021 permitiram a identificação do perfil de intoxicações medicamentosas no Estado do Ceará. Observamos que dentre as variáveis estudadas houve uma prevalência do sexo feminino, faixa etária entre 20-39 anos, e dentre as circunstâncias demostradas, a tentativa de suicídio apresentou dados mais alarmantes. Conclusão: Verificamos a necessidade de medidas efetivas no combate ao uso incorreto dos medicamentos, com ações sociais para conscientizar a população para o uso racional dos medicamentos e orientação para os riscos apresentados por medicamentos devido seu abuso intencional ou não intencional, e uma reavaliação do perfil das pessoas com alta prevalência de intoxicações.

The Toxicological Assistance Centers are relevant in promoting, preven- tion, and control of health aggravations in cases of poisoning, as it provides a specialized guidance and assistance service to deal with such situations and to minimize the damage caused by toxic agents. Therefore, the aim of the study was to analyze the epidemiolog- ical profile of medication poisonings in the period from 2017 to 2021 in the state of Ceará. This study is characterized as an exploratory-descriptive epidemiological study, with a quantitative approach, in which secondary data from the record of drug poisoning cases, registered in the National System of Notifiable Diseases, registered in the years 2017 to 2021 will be analyzed. collected from March to April 2022. The variables are age group, sex, circumstances of poisoning, death. In the epidemiological analyses, the calculation of the records of intoxication by drugs collected in SINAN-TABNET was performed. Results: The results of this study in the period from 2017 to 2021 allowed the identification of the profile of drug poisoning in the State of Ceará. We observed that among the variables studied, there was a prevalence of females, the age group is 20-39 years, and among the circumstances, suicide attempt presented the most alarming data. Conclusion: We verified the need for effective measures to combat the misuse of medi- cine, with social actions to make the population aware about the rational use of medi- cines and guidance for the risks presented by medicines due to their intentional or unin- tentional abuse, and a reassessment of the profile of the people with a high prevalence of poisoning.

Los Centros de Asistencia Toxicológica son relevantes en la promoción, prevención y control de los agravamientos de la salud en casos de intoxicación, ya que proporciona un servicio especializado de orientación y asistencia para hacer frente a es- tas situaciones y minimizar los daños causados por los agentes tóxicos. Por lo tanto, el objetivo del estudio fue analizar el perfil epidemiológico de las intoxicaciones medica- mentosas en el período de 2017 a 2021 en el estado de Ceará. Este estudio se caracteriza por ser un estudio epidemiológico exploratorio-descriptivo, con enfoque cuantitativo, en el que se analizarán datos secundarios del registro de casos de intoxicación medicamentosa, inscritos en el Sistema Nacional de Enfermedades de Declaración Obli- gatoria, registrados en los años 2017 a 2021. recogidos de marzo a abril de 2022. Las variables son grupo de edad, sexo, circunstancias de la intoxicación, muerte. En los aná- lisis epidemiológicos se ha realizado el cálculo de los registros de intoxicaciones por drogas recogidos en SINAN-TABNET. Resultados: Los resultados de este estudio en el período de 2017 a 2021 permitieron identificar el perfil de las intoxicaciones por drogas en el Estado de Ceará. Observamos que entre las variables estudiadas, hubo una preva- lencia de fe- varones, el grupo de edad es de 20-39 años, y entre las circunstancias, el intento de suicidio pre-sentó los datos más alarmantes. Conclusiones: Verificamos la necesidad de medidas eficaces para combatir el uso indebido de medicamentos, con ac- ciones sociales de concienciación de la población sobre el uso racional de medicamentos y orientación sobre los riesgos que presentan los medicamentos por su abuso intencional o no intencional, y una reevaluación del perfil de las personas con alta prevalencia de intoxicaciones.

Quemaduras severas asociadas a lesión por inhalación

La lesión por inhalación es uno de los factores de riesgo que más contribuye a la mortalidad de pacientes quemados. La mortalidad asociada a la inhalación de humo es de 48 al 76%, se ha determinado que la mortalidad asociada con las quemaduras aumenta aproximadamente en 20% al combinarse con lesión por inhalación. En Panamá, específicamente en el Hospital del Niño Doctor José Renán Esquivel (HDNJRE), en los últimos 20 años han ocurrido 181 lesiones por inhalación, con una mortalidad asociada del 1.1%. Por esto la importancia de la detección temprana y manejo agresivo de esta patología. Presentamos el caso clínico de un paciente de 9 años quien sufre quemadura térmica por gasolina de un 25.5% y lesión por inhalación referido a nuestra unidad. (provisto por Infomedic International)

Inhalation injury is one of the risk factors that most contributes to the mortality of burned patients. Mortality associated with smoke inhalation ranges from 48 to 76%, and it has been determined that the mortality associated with burns increases by approximately 20% when combined with inhalation injury. In Panama, specifically in Hospital del Niño, in the last 20 years, 181 inhalation injuries have occurred, with an associated mortality of 1.1%. Therefore, the importance of early detection and aggressive management of this pathology. We present the clinical case of a 9-year-old patient who suffered a 25.5% gasoline thermal burn and inhalation injury referred to our unit. (provided by Infomedic International)

Intoxicación accidental por marihuana en pediatría. Serie de 3 casos / Accidental poisoning by marijuana in pediatrics. Series of 3 cases

Resumen La marihuana o cannabis es la sustancia psicoactiva ilícita de mayor consumo. Una consecuencia no deseada de la regulación de su cultivo y la difusión popular de su uso medicinal y recreativo, es su asociación con el aumento de la disponibilidad de cultivos en la población general y de productos, como alimentos y fármacos elaborados con infusiones de esta planta, con concentraciones desconocidas de delta-9-tetrahidrocannabinol (A9THC), su principal componente psicoactivo. Se presenta una serie de 3 pacientes expuestos a esta sustancia de forma no intencional, por vía digestiva, asistidos de forma presencial por los servicios de Toxicología y Emergencias del Hospital Interzonal de Agudos Especializado en Pediatría "Sor María Ludovica" de La Plata. A diferencia de la absorción por vía inhalatoria, por vía digestiva se producen concentraciones mucho más variables y ciclos temporales mayores de A9THC y sus metabolitos, que ejercen sus efectos sobre los receptores CB1, dispuestos en el sistema nervioso central, incluido tronco encefálico, región con mayor presencia de éstos en niños, lo que justifica las manifestaciones neurológicas frecuentes y de mayor gravedad en este grupo etario, en relación a los adultos. La sospecha clínica, la anamnesis y la detección temprana de cannabinoides en orina son los pilares fundamentales para establecer el diagnóstico temprano. El tratamiento consiste en medidas de sostén y sintomáticas, que se implementan según la gravedad del cuadro. Debe considerarse la posibilidad de exposición a esta sustancia frente a cuadros de letargo o somnolencia de aparición brusca, con ataxia, modificaciones del humor, alteraciones sensoperceptivas, convulsiones o coma, con o sin insuficiencia respiratoria, con taquicardia o bradicardia. Es de fundamental importancia la educación y concientización de los adultos a cargo de niños sobre estos riesgos.

Abstract Marijuana or cannabis is the illicit psychoactive substance most widely used. An unwanted consequence of the regula-tion of its cultivation and the popular diffusion of its medicinal and recreational use, is the association with an increase in the avail-ability of crops in the general population, products, foods and medicines made with cannabis infusions, with unknown concentra-tions of delta-9-tetrahydrocannabinol (A9THC), the most important psychoactive component. We present a series with 3 patients with unintentional exposure to this substance through the digestive tract, assisted by the Toxicology and Emergency services of the Interzonal Hospital for Acute Specialized in Pediatrics "Sor María Ludovica". Unlike absorption through the inhalation route, more variable concentrations and greater temporal cycles of A9THC and its metabolites are produced through the digestive route, which exert their effects on CB1 receptors, arranged in the central nervous system, including brainstem, the region with greatest presence of this receptors in children, that justifies the frequent and more serious neurological manifestations in children, compared to adults. Clinical suspicion, anamnesis and early detection of cannabinoids in urine are the fundamental pillars to establish an early diagnosis. Treatment consists in supportive and symptomatic measures, that are implemented according to the severity of the condition. The possibility of exposure to this substance must be estimated in the face of sudden onset of lethargy or drowsi-ness, with ataxia, mood modifications, sensory-perceptual disturbances, seizures or coma, with or without respiratory failure, with tachycardia or bradycardia. The education and awareness of caretakers adults, about these risks is of fundamental importance.

Psicosis por consumo de ayahuasca: un reporte de caso / Ayahuasca-Induced Psychosis: A Case Report

RESUMEN La inducción de psicosis por ayahuasca es un evento poco frecuente. Sin embargo, debido a un aumento en el acceso y la distribución de esta sustancia, resulta menester destacar los casos en que se presenta. Se describe el caso de un paciente varón de 26 arios que ingresó al servicio de psiquiatría por un cuadro clínico de 7 meses de evolución dado por cambios en el comportamiento, ideas delirantes y posterior exacerbación de los síntomas, tras participar en una ceremonia ritual en la que consumió por vez primera un brebaje de ayahuasca. Requirió inicialmente tratamiento hospitalario para controlar el episodio psicótico agudo, con buena respuesta y tolerancia al tratamiento farmacológico, lo que permitió continuar su seguimiento clínico ambulatorio.

ABSTRACT Psychosis induced by ayahuasca is a rare occurrence. However, due to an increase in the access and distribution of this substance, it is necessary to highlight the cases in which it occurs. We describe the case of a 26-year-old man who was admitted to the psychiatric service after seven months of changes in behaviour, delusions and the subsequent exacerbation of symptoms, after participating in a ritual ceremony during which he consumed an ayahuasca concoction for the first time. Initially, he required hospital treatment to control the acute psychotic episode, but after tolerating and responding well to the antipsychotic treatment, he was discharged with an outpatient follow-up.

Intoxicación sistémica por anestésicos locales / Systemic intoxication by local anesthetics

Resumen: Los anestésicos locales se definen como fármacos que bloquean la generación y propagación de impulsos en tejidos excitables desde médula ósea, raíces nerviosas, nervios periféricos hasta otros tejidos excitables como músculo cardíaco, músculo liso y cerebro. La intoxicación sistémica se produce debido a las concentraciones plasmáticas elevadas después de altas dosis o la administración intravenosa inadvertida. El creciente uso de técnicas de anestesia locorregional obliga a tener presente la intoxicación sistémica por anestésicos locales como una complicación anestésica de baja incidencia, pero alta morbimortalidad, además de constituir una de las causas de paro cardiorrespiratorio de origen anestésico más frecuentes. La presentación clínica de esta complicación es muy variable y abarca un gran espectro de síntomas relacionados principalmente con la toxicidad neurológica y cardiovascular. Aunque infrecuentes, las reacciones pueden ser muy graves, y resultar en daño irreversible o muerte del paciente. La prevención parece haber disminuido la intoxicación de los anestésicos locales y es más efectiva que el tratamiento. El manejo se basa en medidas de reanimación cardiopulmonar avanzada, el tratamiento farmacológico y el empleo precoz de las emulsiones lipídicas. Se presenta un caso de intoxicación sistémica utilizando lidocaína simple como único anestésico local durante la realización de bloqueo de nervio periférico en cirugía electiva.

Abstract: The local anesthesics are defined as medicaments that block the generation and spread of impulses in excitable fabrics, from bony marrow, nervous roots, peripheral nerves or other excitable fabrics as cardiac muscle, smooth muscle and brain. The systemic intoxication takes place due to the plasmatic concentrations raised after high doses or the intravenous inadvertent administration. The increasing use of technologies of anesthesia locorregional forces to bear in mind the systemic intoxication for local anesthesics as an anesthesic complication of low incident, but high morbi-mortality, beside constituting one of the more frequent reasons of cardiorespiratory unemployment of anesthesic origin. The clinical presentation of this complication is very variable and includes a great spectrum of symptoms related principally to the neurological and cardiovascular toxicity. Though infrequent, the reactions can be very serious, and to result in irreversible hurt or death of the patient. The prevention seems to have diminished the poisoning of the local anesthesics and is more effective than the treatment. The managing is based on measures of resuscitation cardiopulmonar advanced, the pharmacological treatment and the precocious employment of the lipid emulsions. I present a case of systemic intoxication using lidocaine simply as anesthesic local only one during the accomplishment of blockade of peripheral nerve in elective surgery.

Intento de suicidio en Colombia: un estudio de los factores asociados a la intoxicación intencionada. 2007-2017

Objetivo: Identificar los factores asociados a la intoxicación intencionada por plaguicidas en Colombia durante 2007-2017. Metodología: Se llevó a cabo un estudio analítico transversal en la población de intoxicados con intención suicida por plaguicidas de Colombia entre 2007 a 2017. Se calcularon prevalencias ajustadas por edad, expresadas por 100 000 personas contadas por sexo. Se realizó un modelo de regresión bivariado, en el cual la condición final se constituyó en la variable de interés (variable y; 0=vivo 1=muerto) y las variables explicativas fueron (variables x): sociodemográficas (sexo, edad, escolaridad y procedencia) y específicas del evento (vía de exposición). Resultados: el comportamiento de los Odds Ratio evidencia que, los hombres tienen un riesgo de fallecer de 1.39 (95 % IC: 1.238-1.567) más veces que las mujeres. Con respecto al régimen de afiliación en salud, las personas no aseguradas tienen un riesgo de fallecer por suicidio de 1.33 más veces con respecto a los que sobreviven (95 % IC: 1.131-1.555). Para la mortalidad por suicidio se identifican los siguientes factores asociados a la supervivencia (intentos de suicidio no consumados): en primer lugar, el área de residencia urbana y, en segundo lugar, los grupos de edad, adolescente y la adultez temprana. Conclusiones: Al analizar la mortalidad por suicidio asociada a la intoxicación por plaguicidas los hombres son identificados y caracterizados como el grupo de mayor riesgo, siguiendo tendencias generales (todos los métodos) similares a estudios realizados a nivel mundial.

Objective: To identify the social factors associated with intentional poisoning by pesticides in Colombia, during the 2007-2017 period. Methodology: A cross-sectional analytical study was carried out in the population of those intoxicated by pesticides with suicidal intent in Colombia between 2007 and 2017. Age-adjusted prevalences were calculated, expressed per 100,000 people, counted by sex. A bi-variate regression model was carried out, in which the final condition was constituted in the variable of interest (variable y; 0 = alive 1 = dead), and the explanatory variables were (variables x): sociodemographic (sex, age, education and origin) and specific to the event (route of exposure). Results: the behavior of the Odds Ratio shows that men have a risk of dying 1,393 (95% CI: 1,238-1,567) more times than women. Regarding the health affiliation scheme, uninsured people have a risk of dying by suicide 1.33 times more than those who survive (95% CI: 1.131-1.555). For mortality due to suicide, the following factors associated with survival (unsuccessful suicide attempts) are identified: firstly, the urban residence area and secondly, age groups: adolescents and early adulthood. Conclusions: When analyzing suicide mortality associated with pesticide poisoning, men are identified and characterized as the highest risk group, following general trends (all methods) similar to studies carried out worldwide.

Casuística das intoxicações por inibidores das colinesterases pelo Centro de Informação e Assistência Toxicológica do Paraná (CIATox/PR) entre 2015 e 2019 / Casuistics of poisonings by cholinesterases inhibitors by the Information and Toxicological Assistance Center of Paraná (CIATox/PR) between 2015 and 2019

Esta pesquisa buscou analisar os casos de intoxicações por organofosforados e carbamatos, presentes em agrotóxicos e pesticidas, registrados na base de dados do Centro de Informação e Assistência Toxicológica do Paraná (CIATox/PR). Trata-se de estudo retrospectivo em que foram avaliadas variáveis sociodemográficas e clínicas relacionadas à intoxicação, à forma de exposição, à causa e ao desfecho. Para a análise estatística foram utilizados testes de Kolmogorov-Smirnov, Shapiro-Wilk, Qui-Quadrado e Teste Exato de Fisher, considerando p<0,05. A amostra foi composta por 426 casos, sendo 218 (51,2%) mulheres. O principal agente foi raticida clandestino em 278 (65,2%) pacientes. A principal circunstância das intoxicações foi tentativa de suicídio com 293 (68,8%) casos. Houve predominância de exposição via oral (89,9%) e zona urbana em 349 (81,9%) casos, a maioria considerados leves (52,6%) e assistidos em serviços médicos (66,4%). Cerca de 327 (76,8%) indivíduos apresentavam manifestações clínicas. O tempo decorrido entre a exposição e o contato com o CIATox/PR foi maior nos casos considerados graves (p= 0,041). A atropina foi utilizada em 94 (49%) pacientes intoxicados por carbamatos, em 31 (33,3%) por organofosforados e em 84 (59,6%) por outros inibidores da colinesterase não especificados. Duas mulheres e um adolescente apresentaram desfecho fatal, tendo em comum a ingesta intencional de "chumbinho". A casuística predominante nesta série histórica foi paciente do sexo feminino, faixa etária adulta, residente na região metropolitana, exposta a agrotóxico por via oral, sintomática, classificada como gravidade leve, sem necessidade de atropina, contudo ocorreram três casos com desfecho para o óbito.

This research aimed to analyze the cases of poisoning by organophosphates and carbamates, present in agrochemicals and pesticides, registered in the database of the Information and Toxicological Assistance Center of Paraná (CIATox/PR). This is a retrospective study in which sociodemographic and clinical variables related to intoxication, form of exposure, cause and outcome were evaluated. For the statistical analysis, the Kolmogorov-Smirnov, Shapiro-Wilk, Chi-Square and Fisher's Exact Test were used, considering p<0.05. The sample consisted of 426 cases, 218 (51.2%) of which were women. The main agent was clandestine rodenticide in 278 (65.2%) patients. The main circumstance of intoxication was a suicide attempt with 293 (68.8%) cases. There was a predominance of oral exposure (89.9%) and urban areas in 349 (81.9%) cases, most considered mild (52.6%) and assisted in medical services (66.4%). About 327 (76.8%) individuals had clinical manifestations. The time elapsed between exposure and contact with CIATox/PR was longer in cases considered severe (p=0.041). Atropine was used in 94 (49%) patients intoxicated by carbamates, in 31 (33.3%) by organophosphates and in 84 (59.6%) by other unspecified cholinesterase inhibitors. Two women and one teenager had a fatal outcome, having in common the intentional ingestion of "chumbinho". The predominant casuistry in this historical series was a female patient, adult age, living in the metropolitan region, exposed to pesticides orally, symptomatic, classified as mild severity, without the need for atropine, however, there were three cases with an outcome of death.

Ingluviotomia para remoção de corpo estranho em calopsita doméstica (Nymphicus hollandicus). Relato de caso / Ingluviotomía para la remoción de cuerpos extraños en cacatúas domésticas (Nymphicus hollandicus). Un informe de caso / Ingluviotomy for Foreign Body Removal in Domestic Calopsite (Nymphicus hollandicus). Case Report

Resumo As aves apresentam anatomia e fisiologia únicas. Seu sistema digestório é composto por esôfago, estômago (proventrículo e ventrículo), intestino delgado e intestino grosso. O esôfago apresenta uma dilatação chamada de inglúvio na maioria das aves, que armazena alimentos. Lesões e massas nesses locais ocorrem por diversos motivos, provocando dificuldades alimentares e emagrecimento. A ingestão de substâncias inadequadas pode formar uma massa, repousar no papo e gerar possível intoxicação. O objetivo do trabalho foi descrever um caso de ingluviotomia decorrente de ingestão de corpo estranho em calopsita (Nymphicus hollandicus). A ingluviotomia é um procedimento cirúrgico de urgência, podendo ser optado para a remoção de corpo estranho no inglúvio, sendo que a resolução cirúrgica do problema e a recuperação clínica ocorre sem maiores problemas desde que empregada um conduta clínico-cirúrgica adequada.

Resumen Los pájaros tienen una anatomía y fisiología únicas. Su sistema digestivo consta de esófago, estómago (proventrículo y ventrículo), intestino delgado e intestino grueso. En la mayoría de los pájaros, el esófago tiene una dilatación llamada ingluvie que almacena alimento. En este lugar pueden ocurrir lesiones y masas debido a varias razones, ocasionando dificultades dietarias y pérdida de peso. La digestión de sustancias inadecuadas puede formar una masa, quedarse ahí hasta germinar e intoxicarse. El objetivo de este estudio es hacer un informe de una ingluviotomía debido a la ingestión de un cuerpo extraño en una cacatúa ninfa (Nymphicus hollandicus). La ingluviotomía es un procedimiento quirúrgico de urgencia y se puede escoger para remover un cuerpo extraño en el ingluvium. La resolución quirúrgica del problema y la recuperación clínica ocurren sin mayores problemas si se usa un enfoque clínico-quirúrgico adecuado.

Abstract Birds have a unique anatomy and physiology. Their digestive system consists of esophagus, stomach (proventricle and ventricle), small intestine and large intestine. The esophagus has a dilatation called ingluvies in most birds, which stores food. Injuries and masses in these places can occur for several reasons, causing dietary difficulties and weight loss. Ingestion of inappropriate substances can form a mass, rest in the crop and cause intoxication. The aim of this study was to describe a case of ingluviotomy resulting from the ingestion of a foreign body in cockatiel (Nymphicus hollandicus). Ingluviotomy is an urgent surgical procedure, and it can be chosen to remove a foreign body in the ingluvium. The surgical resolution of the problem and clinical recovery occur without major problems as long as an appropriate clinical-surgical approach is used.

Carboxyhemoglobinemia as a laboratory finding in an outpatient

Resumen El monóxido de carbono (CO) es un gas producido principalmente por combustión incompleta de hidrocarburos. La intoxicación por exposición ambiental puede presentarse con síntomas inespecíficos y constituye la causa más importante de aumento de carboxihemoglobina (COHb). Su nivel en sangre depende de la duración de la exposición, la ventilación minuto y las concentraciones de CO y oxígeno en el ambiente. La elevada toxicidad radica en la hipoxia tisular que se genera. Se presenta el caso de un paciente masculino, 73 años, en seguimiento en el hospital por neumonía intersticial no específica como patología de base. En un control de laboratorio se encontró 11,9% de COHb, sin exposición a tabaco. No utilizaba calefacción a gas sino un panel cerámico eléctrico, recientemente pintado con esmalte sintético. La suspensión del uso del panel normalizó la COHb. El CO, producto de descomposición térmica del esmalte sintético, explica la causa de la intoxicación.

Abstract Carbon monoxide (CO) is a gas produced mainly by incomplete combustion of hydrocarbons. Poisoning from environmental exposure can present with nonspecific symptoms and is the most important cause of increased carboxyhemoglobin (COHb). Its blood level depends on the duration of exposure, minute ventilation, and the concentrations of CO and oxygen in the environment. The high toxicity lies in the tissue hypoxia that is generated. The case of a male patient, 73 years old, under follow-up in the hospital for non-specific interstitial pneumonia as the underlying pathology was presented. In a laboratory control, COHb 11,9% was found. There was no exposure to tobacco and there was no use of gas heating but of an electric ceramic panel, recently painted with synthetic enamel type paint. The suspension of the use of the panel normalised the COHb. The CO product of thermal decomposition of synthetic enamel explains the cause of poisoning.

Resumo O monóxido de carbono (CO) é um gás produzido principalmente pela combustão incompleta de hidrocarbonetos. A intoxicação por exposição ambiental pode se apresentar com sintomas inespecíficos e é a causa mais importante de aumento da carboxihemoglobina (COHb). Seu nível em sangue depende do tempo de exposição, da ventilação minuto e das concentrações de CO e oxigênio no ambiente. A alta toxicidade está na hipóxia tecidual gerada. Apresentamos o caso de um paciente do sexo masculino, 73 anos, em acompanhamento hospitalar por pneumonia intersticial inespecífica como patologia de bas. Em um controle laboratorial, achou-se 11,9% de COHb, sem exposição ao tabaco. Não utilizava aquecimento a gás e sim um painel elétrico cerâmico, recentemente pintado com esmalte sintético. A suspensão do uso do painel normalizou o COHb. O CO produto da decomposição térmica do esmalte sintético explica a causa da intoxicação.

Alcohol consumption and binge drinking among university students in a city in the state of Rondônia / Consumo de álcool e prática de binge drinkingentre universitários em uma cidade no interior de Rondônia

Objective: to verify the prevalence and pattern of alcohol consumption among the academics of a higher educa-tion institution located in the interior of the state of Rondônia. Methods: cross-sectional and observational study with all students enrolled in the institution in 2017. Were used the Alcohol, Smoking and Substance Involvement Screening Test to identify alcohol consumption and other classes of psychoactive substances. To characterize binge drinking was adopted the definition by the National Institute on Alcohol and Alcoholism and, and exclusion criteria was defined the questionnaire was not filled in completely and the request of the participant. The data were ana-lyzed with SPSS program 17. The univariate analysis was used to describe quantitative variables and the bivariate analysis to verify the association between the use of alcoholic beverages and the independent variables (sex, age) the level of significance was set at 5%. Results: 518 subjects participated in the study, with a mean age of 23.1 years, of which 355 (68.5%) were female and 163 (31.5%) were male. Among these, 385 (74.3%) stated that they consume alcoholic beverages, 282 (54.4%) started consuming less than 18 years and 239 (57%) reported practic-ing BD. Among BD practitioners, 48.9% do so at least once a month.Conclusion: there was a high prevalence of alcohol consumption and binge drinking among university students, which predisposes these individuals to physical, emotional, and social problems. Such findings should serve as a warning for the need for public policies aimed at preventing alcohol consumption that begins during adolescence (AU)

Objetivo: verificar a prevalência e o padrão de consumo de álcool entre acadêmicos de uma instituição de ensino superior do interior do estado de Rondônia. Método: estudo transversal e observacional com todos os estudantes matriculados no ano de 2017. Foi utilizado o Alcohol, Smoking and Substance Involvement Screening Test para identificar o consumo de álcool e outras classes de substâncias psicoativas. Para a caracterização de binge drinkingadotou-se a definição do National Institute on Alcohol and Alcoholism e, como critérios de exclusão, definiu-se o não preenchimento completo do questionário e solicitação do participante. Os dados foram analisados com o auxílio do programa SPSS 17. Procedeu-se à análise univariada para descrição das variáveis quantitativas e análise bivariada para verificar a associação entre o uso de bebidas alcoólicas e as variáveis independentes (sexo, idade), adotan-do-se o nível de significância de 5%. Resultados: participaram do estudo 518 indivíduos, com média de idade de 23,1 anos, sendo 355 (68,5%) do sexo feminino e 163 (31,5%) masculino. Dentre esses, 385 (74,3%) afirmaram que consomem bebidas alcoólicas, 282 (54,4%) iniciaram o consumo com menos de 18 anos e 239 (57%) referiram praticar o BD. Entre os praticantes de BD, 48,9% o fazem pelo menos uma vez ao mês.Conclusão: observou-se elevada prevalência de consumo de bebidas alcoólicas e de prática de binge drinking entre os universitários, o que predispõe esses indivíduos a problemas físicos, emocionais e sociais. Tais achados devem alertar para a necessidade de políticas públicas que visem a prevenção de consumo de álcool que se inicia durante a adolescência (AU)

Utilidad de la radiografía de abdomen en el diagnóstico de la intoxicación medicamentosa: reporte de un caso pediátrico / Use of abdominal X-ray in drug intoxication: a pediatric case report

Las intoxicaciones medicamentosas son un motivo de consulta frecuente en pediatría, además de una de las principales causas externas de mortalidad en adolescentes. El diagnóstico y tratamiento tempranos son fundamentales para el manejo adecuado de estos casos. Se presenta una niña de 13 años que, luego de ingerir un fármaco desconocido, muestra decaimiento y manifestaciones clínicas gastrointestinales. Por sospecha de intoxicación con hierro y la imposibilidad de determinar los niveles de sideremia de manera urgente, se realiza radiografía de abdomen, que confirma el diagnóstico y permite el tratamiento adecuado de la paciente. En este caso, se destaca la utilidad de la radiología para el diagnóstico en la sospecha de intoxicación con hierro, gracias a la radiopacidad de sus sales

Drug intoxication is a common reason for pediatric emergency department (ED) visits and one of the leading causes of death among teenagers. Early diagnosis and treatment are essential for a proper management of these patients. We present a 13-year-old girl attended at the ED showing excessive sleepiness and gastrointestinal symptoms after taking an unknown drug. Due to suspected iron overdose and the impossibility of measuring urgent iron levels, an abdominal X-ray was performed, which confirmed the diagnosis. We highlight the utility of radiology in the diagnosis of iron poisoning, which is possible due to its radiopacity.

Copper induces damage, oxidative stress and cell death in endothelium of chronic intoxicated Wistar rats / El cobre induce daño, estrés oxidativo y muerte celular en el endotelio de ratas Wistar intoxicadas

SUMMARY: Reactive Oxygen Species (ROS) are part of the functional balance of various systems, they can generate cellular damage by oxidative stress associated with disease processes such as atherosclerosis, cardiovascular disease, diabetes, and aging. Some studies report that copper induces damage to the endothelium, which could be associated with cardiovascular pathologies. This study was an experimental comparative, prospective, longitudinal, and controlled clinical trial in a murine animal model. Twenty-four male Wistar rats were included, the distribution of the groups was time-depending chronic exposition to copper, and a control group. Results show gradual alterations in the groups treated with copper: areas with loss of the endothelium, signs of disorganization of smooth muscle fibers in the tunica media, as well as areas with the fragmentation of the elastic sheets. A significant statistical difference was observed in the active- Caspase-3 analysis expression in the aortic endothelium and endothelium of the capillaries and arterioles of the lung between the control group vs 300 ppm of copper. Expression of eNOS was detected in the endothelium of the aorta and vessels of the lung. Our study shows histological changes in the walls of the great vessels of intoxicated rats with copper, and the increment of inflammatory cells in the alveoli of the study model, mainly at a high dose of copper exposition. These results will be useful to understand more about the mediators involved in the effect of copper over endothelium and cardiovascular diseases in chronic intoxication in humans.

RESUMEN: Las Especies Reactivas de Oxígeno (ROS) son parte del equilibrio funcional de varios sistemas, pueden generar daño celular por estrés oxidativo asociado a procesos patológicos como aterosclerosis, enfermedades cardiovasculares, diabetes y envejecimiento. Algunos estudios informan que el cobre induce daños en el endotelio, lo que podría estar asociado a patologías cardiovasculares. Este estudio fue un ensayo clínico experimental comparativo, prospectivo, longitudinal y controlado en un modelo animal murino. Se incluyeron veinticuatro ratas Wistar macho, la distribución de los grupos fue la exposición crónica al cobre en función del tiempo y un grupo de control. Los resultados muestran alteraciones graduales en los grupos tratados con cobre: áreas con pérdida del endotelio, signos de desorganización de las fibras musculares lisas en la túnica media, así como áreas con la fragmentación de las láminas elásticas. Se observó una diferencia estadística significativa en la expresión del análisis de caspasa-3 activa en el endotelio aórtico y el endotelio de los capilares y arteriolas del pulmón entre el grupo de control frente a 300 ppm de cobre. Se detectó expresión de eNOS en el endotelio de la aorta y los vasos del pulmón. Nuestro estudio muestra cambios histológicos en las paredes de los grandes vasos de ratas intoxicadas con cobre, y el incremento de células inflamatorias en los alvéolos del modelo de estudio, principalmente a una alta dosis de exposición de cobre. Estos resultados serán útiles para comprender más sobre los mediadores involucrados en el efecto del cobre sobre el endotelio y las enfermedades cardiovasculares en la intoxicación crónica en humanos.