Pattern of inappropriate antibiotic use among patients in the medical wards of a tertiary hospital in southwest Nigeria

Background: The inappropriate use of antibiotics results in the emergence of antimicrobial resistance and adverse clinical and economic outcomes in hospital in-patients. A lack of institutional and national antibiotic guidelines promotes inappropriate antibiotic use. The objectives of this study are to evaluate the appropriateness of antibiotic prescribing, and the quality of antibiotic use in medical wards of the Lagos University Teaching Hospital, Lagos, Nigeria. Methodology: This was a descriptive cross-sectional study of patients admitted and placed on antibiotics in the medical wards of Lagos University Teaching Hospital between July 2013 and August 2014. The appropriateness of antibiotic therapy was determined by compliance with the guidelines of the Infectious Diseases Society of America (IDSA). Results: A total of 350 hospitalized patients on antibiotic therapy during the period of the study were reviewed, including 197 (56.3%) males and 153 females (43.7%). The mean age of the patients was 48.7±17.6 years and a total of 539 initial antibiotics were empirically prescribed. Antibiotic therapy was considered inappropriate in 290 (82.9%) patients, of which 131 (37.4%) patients had no evidence of infection. Pneumonia (23.1%) was the most common indication for antibiotic use, out of which 59.3% had inappropriate antibiotic therapy. Overall, the most frequently prescribed initial empirical antibiotic classes were imidazole derivatives (32.4%) and cephalosporins (22.0%), while the most frequently prescribed inappropriate antibiotic classes were carbapenems (100.0%) and quinolones (89.3%). Conclusion: The study revealed a high rate of inappropriate antibiotic therapy. There is an imperative need to establish antimicrobial stewardship programmes to curb the inappropriate use of antibiotics in the hospital.

Quercetin and resveratrol are associated with the downregulation of TNFalpha/NF-kB/inos axis-mediated acute liver injury in rats induced by paracetamol poisoning / La quercetina y el resveratrol están asociados con la regulación decreciente de la lesión hepática aguda mediada por el eje TNF-alfa/NF-kB/inos en ratas inducida por envenenamiento con paracetamol

SUMMARY: Paracetamol (known as acetaminophen, or APAP) poisoning causes acute liver damage that can lead to organ failure and death. We sought to determine that APAP overdose can augment tumor necrosis factor-alpha (TNF-α)/ nuclear factor kappa B (NF-kB)/induced nitic oxide synthase (iNOS) axis-mediated hepatotoxicity in rats, and the anti-inflammatory polyphenolic compounds, quercetin (QUR) plus resveratrol (RES) can ameliorate these parameters. Therefore, we induced acute hepatotoxicity in rats using APAP overdose (2 g/kg, orally) and the protective group of rats were treated with 50 mg/kg QUR plus 30 mg/kg RES for one week before APAP ingestion. Animals were killed at day 8. APAP poisoning caused the induction of hepatic tissue levels of TNF-α, NF-kB, and iNOS, which were significantly (p<0.05) decreased by QUR+RES. QUR+RES, also inhibited liver injury biomarkers, alanine aminotransferase (ALT) and aspartate aminotransferase (AST). Additionally, a link between liver injury and TNF-α /NF-kB / iNOS axis mediated hepatotoxicity was observed. Thus, the presented data backing the conclusion that intoxication by paracetamol increases TNF-α / NF-kB / iNOS axis -mediated hepatotoxicity, and is protected by a combination of quercetin and resveratrol.

El envenenamiento por paracetamol (conocido como acetaminofeno o APAP) causa daño hepático agudo que puede provocar una insuficiencia orgánica y la muerte. El objetivo de este trabajo fue determinar si la sobredosis de APAP puede aumentar la hepatotoxicidad mediada por el eje del factor de necrosis tumoral alfa (TNF-α)/factor nuclear kappa B (NF-kB)/óxido nítico sintasa inducida (iNOS) en ratas, y si el polifenólico antiinflamatorio compuesto por quercetina (QUR) más resveratrol (RES) pueden mejorar estos parámetros. Por lo tanto, inducimos hepatotoxicidad aguda en ratas usando una sobredosis de APAP (2 g/kg, por vía oral). El grupo protector de ratas se trató con 50 mg/ kg de QUR más 30 mg/kg de RES durante una semana antes de la ingestión de APAP. Los animales se sacrificaron el día 8. El envenenamiento con APAP en el tejido hepático provocó la inducción de niveles de TNF-α, NF-kB e iNOS, que se redujeron significativamente (p<0,05) con QUR+RES. QUR+RES, también inhibió los biomarcadores de daño hepático, la alanina aminotransferasa (ALT) y el aspartato aminotransferasa (AST). Además, se observó una relación entre la lesión hepática y la hepatotoxicidad mediada por el eje TNF-α /NF-kB/iNOS. Por lo tanto, los datos presentados respaldan la conclusión de que la intoxicación por paracetamol aumenta la hepatotoxicidad mediada por el eje TNF-α /NF-kB / iNOS, y está protegida por una combinación de quercetina y resveratrol.

Sobre dias em que me senti sem ar: desassossegos do pesquisar / On days when i felt breathless: unrest of search / Sobre días que me sentí sin aliento: disurbios de investigación

Resumo Conceitos como o de alteridade, encontro de saberes, polifasia cognitiva, o princípio de familiaridade e de representações sociais operaram na complexa tarefa de compreender como os encontros entre profissionais e usuários sustentavam e/ou transformavam as práticas de acolhimento. Entretanto, a experiência da minha pesquisa de doutorado me levou a questionar os próprios conceitos utilizados da Teoria das Representações Sociais. Ao final do ensaio, após discutir aspectos teórico-metodológicos, o princípio de familiaridade e a questão da tensão e dos afetos nas representações sociais, espero evidenciar como o movimento provocado pelo encontro com usuários e profissionais de uma Rede de Atenção Psicossocial levou-me a questionar pontos essenciais da teoria: o papel domesticador das representações, a forma ainda estática de evidenciar os fenômenos, a separação entre um sujeito que representa e o objeto representado e a dificuldade em usar suas ferramentas conceituais para acompanhar processos me fazem repensar meu lugar e minha função de pesquisador.

Abstract Concepts such as alterity, encounter of knowledge, cognitive polyphasia, the principle of familiarity and the very concept of social representations operated in the complex task of understanding how the encounters between professionals and users supported and / or transformed user embracement practices. However, the experience of my doctoral research led me to question the very concepts used in the Theory of Social Representations. At the end of the essay, after discussing theoretical and methodological aspects, the principle of familiarity and the issue of tension and affects in social representations, I hope to show how the movement caused by the encounter with users and professionals of a Psychosocial Care Network, led me to question essential points of the theory: the domesticating role of representations, the still static way of showing phenomena, the separation between a subject that represents and the object represented and the difficulty in using their conceptual tools to accompany processes makes me rethink my place and role as a researcher.

Resumen Conceptos como la alteridad, el encuentro de saberes, la polifasia cognitiva, el principio de familiaridad y el concepto mismo de representaciones sociales operaron en la compleja tarea de comprender cómo los encuentros entre profesionales y usuarios apoyaron y / o transformaron las prácticas de acogimiento. Sin embargo, la experiencia de mi investigación doctoral me llevó a cuestionar los propios conceptos utilizados en la Teoría de las Representaciones Sociales. Al final del ensayo, después de discutir aspectos teóricos y metodológicos, el principio de familiaridad y el tema de tensión y afectos en las representaciones sociales, Espero mostrar cómo el movimiento provocado por el encuentro con usuarios y profesionales de una Red de Atención Psicosocial, me llevó a cuestionar puntos esenciales de la teoría: el rol domesticador de las representaciones, la forma todavía estática de mostrar los fenómenos, la separación entre un sujeto que representa y el objeto representado y la dificultad para utilizar sus herramientas conceptuales para acompañar procesos, me hace repensar mi lugar y rol como investigador.

Acute respiratory distress syndrome caused by quetiapine poisoning: a case report / 中华劳动卫生职业病杂志

Quetiapine is a psychotropic drug. Excessive use of quetiapine may lead to drowsiness, blurred vision, respiratory depression, hypotension and extrapyramidal reactions. Acute respiratory distress syndrome (ARDS) is rare due to overdose of quetiapine. On 14 February 2020, a patients with coma, respiratory arrest and hypotension due to overdose of quetiapine were admitted to our hospital. After receiving mechanical ventilation、plasma adsorption and anti-inflammatory treatment, the patient's consciousness turned clear, the machine was successfully removed and extubated, and the patient's condition was improved and discharged from hospital. We analyzed the clinical data of the patient with quetiapine poisoning, and discussed the clinical symptoms and chest CT characteristics of ARDS caused by quetiapine poisoning, in order to improve the understanding of quetiapine poisoning and improve the success rate of rescue.

Terapia de insulina y glucosa para el tratamiento de intoxicación grave con bloqueantes de canales de calcio en pediatría. Reporte de un caso / Insulin/glucose therapy for the treatment of severe calcium channel blocker poisoning in pediatrics. Case report

La intoxicación por bloqueantes de los canales de calcio es un cuadro poco frecuente en la población pediátrica. Los signos y síntomas pueden progresar de forma rápida y llevar al colapso cardiovascular y muerte. El sostén hemodinámico con inotrópicos y vasopresores no suele ser efectivo. La terapia con insulina y glucosa es un complemento eficaz del tratamiento inicial, que está ampliamente estudiado, y se utiliza en diferentes patologías con compromiso hemodinámico. Se presenta el caso de una paciente pediátrica con antecedente de ingestión de dosis altas de amlodipina con fines suicidas, con descompensación hemodinámica refractaria al tratamiento de soporte inotrópico habitual. A partir del tratamiento con insulina y glucosa, se logró la estabilidad hemodinámica, con evolución favorable de la paciente.

Calcium channel blocker poisoning is a rare condition in the pediatric population. Signs and symptoms can be rapidly progressive and lead to cardiovascular collapse and death. Hemodynamic support with inotropics and vasopressors is usually not effective. The insulin/glucose therapy is an effective complement to the initial treatment, which is widely studied and used in different pathologies with hemodynamic compromise. The case of a pediatric patient with a history of high-dose ingestion of amlodipine for suicidal purposes, with hemodynamic decompensation refractory to usual inotropic support treatment, is presented. From the insulin/glucose treatment, hemodynamic stability was achieved with a favorable evolution

Clinical and epidemiological analysis of suicide attempts in children assisted by a poison control center / Análise clínica e epidemiológica das tentativas de suicídio em crianças atendidas em um centro de informação e assistência toxicológica

ABSTRACT Objective: To assess suicide attempts in children seeking care at a Poison Control Center. Methods: Cross-sectional study with children (<12 years old) that attempted suicide and were cared at the Poison Control Center in Londrina, Paraná, Southern Brazil, from April 1985 to December 2018. Results: We identified 59 children, most of them females (74.6%), who used only one product (77.9%). Among the products involved, medications were the most important ones (88.1%). Neurological/psychiatric/muscular manifestations (61.0%) were the main symptoms presented. The main reason identified for the suicide attempt was conflicts with family and/or friends (27.1%). Suicide attempts were more frequent in 2001-2003 and 2016-2018. Conclusions: Suicide attempts occurred mainly in female children with a single agent (mainly medications), and the main reason was family conflicts..

RESUMO Objetivo: Analisar as tentativas de suicídio em crianças atendidas em um Centro de Informação e Assistência Toxicológica (CIATox-Londrina). Métodos: Estudo transversal com crianças (<12 anos) atendidas no CIATox-Londrina, Paraná, de abril/1985 a dezembro/2018, com tentativa de suicídio. Resultados: Identificaram-se 59 crianças, com predomínio do sexo feminino (74,6%) e com o uso de apenas um produto (77,9%). Entre os produtos envolvidos, destacaram-se os medicamentos (88,1%). As manifestações neurológicas/psíquicas/musculares (61,0%) foram os principais sintomas apresentados. O principal motivo identificado da tentativa de suicídio foram os conflitos com familiares e/ou amigos (27,1%). Houve maior frequência de tentativas de suicídio nos triênios 2001-2003 e 2016-2018. Conclusões: As tentativas de suicídio ocorreram predominantemente nas crianças do sexo feminino, com um único agente (em geral, medicamentos), em que o principal motivo foram os conflitos familiares, observando-se um aumento ao longo dos anos.

Dispositivo de orientación de consumos problemáticos en un hospital general (2007-2020): peripecias en el armado de una RED / Guidance Device for Problematic Consumption in a General Hospital (2007-2020): ups and downs in a network creation

La propuesta es dar cuenta del surgimiento y trayectoria de un dispositivo de orientación de adicciones dependiente de la Subsecretaría, que en el año 2007 se instaló en la guardia de un Hospital General. En sus inicios el objetivo fue cumplir con una de las metas de gestión (2003-2007) que implicaba incrementar la cobertura asistencial, articulando con estructuras de la administración pública ya existentes; favoreciendo además la visibilidad de la Red. A partir de estas premisas entendimos que abrir un espacio de adicciones dentro del contexto de Emergencias de un Hospital General, abocado a la recepción de pacientes con consumo, beneficiaría a "la población de consumidores de drogas y alcohol, altamente resistente a demandar asistencia especializada"(Planificación de Gestión 2003-2007). Cabe remarcar que la Ley Nacional de Salud Mental no había sido sancionada y los usuarios parecían carecer de derechos a una cobertura sanitaria. Desde el año 2007 hasta el presente, diferentes fueron las estrategias de abordaje siendo el eje de trabajo la interdisciplina y el enlace con organizaciones e instituciones ocupadas en el tema. El armado y consolidación de la red fue lo que hizo posible la continuidad del dispositivo y la ampliación de espacios de abordaje. El quehacer cotidiano no hubiese sido posible sin la participación y la colaboración activa de diferentes sectores, pues hubiera quedado reducido a un trabajo monodisciplinar en el que nuestro proyecto quizás, hubiera naufragado

Análise crítica da indicação da lavagem gástrica em intoxicações atendidas em um hospital de ensino / Critical analysis of gastric lavage indication for poisoning cases attended in a university hospital

Objetivo: Avaliar a indicação da lavagem gástrica no tratamento de intoxicações causadas por ingestão. Métodos: Todos os casos de intoxicação causada por ingestão que foram atendidos em dois hospitais do interior de São Paulo e submetidos à lavagem gástrica no período de 1° de janeiro de 2011 a 31 de dezembro de 2015 foram avaliados retrospectivamente quanto à indicação do procedimento, considerando o tempo entre ingestão e atendimento, a toxicidade da substância e as contraindicações para o procedimento. Resultados: Dos 587 casos atendidos, 338 (57,6%) foram submetidos à lavagem gástrica. Dentre esses casos, constatou-se a realização equivocada do procedimento em 95,8% casos. Conclusão: O número de pacientes submetidos à lavagem gástrica neste trabalho foi considerado elevado, mesmo quando orientado pelo centro de atendimento. Apesar da falta de evidências de que a lavagem gástrica traga benefícios nos casos de intoxicação, ela é largamente utilizada em virtude do desconhecimento das indicações e contraindicações desse procedimento por parte dos profissionais de saúde

Objective: To evaluate the indication of gastric lavage in the treatment of poisoning caused by ingestion. Methods: All cases of poisoning caused by ingestion that were treated in two hospitals in inland cities of São Paulo and subjected to gastric lavage from January 1, 2011 to December 31, 2015 were retrospectively assessed as for the indication of the procedure, considering the time between ingestion and care, substance toxicity, and procedure contraindications. Results: Of the 587 cases treated, 338 (57.6%) underwent gastric lavage. The procedure was considered incorrect in 95.8% of cases. Conclusion: The number of patients undergoing gastric lavage in this study was considered high, even when instructed by the center of attendance. Despite the lack of evidence that gastric lavage brings benefits in cases of poisoning, it is widely used due to the lack of knowledge by health professionals of the indications and contraindications of this procedure.

Acetaminophen induces alterations to the renal tubular ultrastructure in a rat model of acute nephrotoxicity protected by resveratrol and quercetin / El acetaminofeno induce alteraciones en la ultraestructura tubular renal en un modelo de rata con nefrotoxicidad aguda protegida por resveratrol y quercetina

Acetaminophen (also called paracetamol, or APAP) induced nephrotoxicity is reported after accidental or intentional ingestion of an overdose of the drug. Renal tubular ultrastructural alterations induced by APAP overdose associated with the induction of biomarkers of kidney injury have not been investigated before. Also, we investigated whether the combined polyphenolic anti-inflammatory and antioxidants agents, resveratrol (RES) and quercetin (QUR) can protect against APAP-induced acute kidney injury. The model group of rats received a single dose of APAP (2 g/kg), whereas the protective group of rats was pre-treated for 7 days with combined doses of RES (30 mg/kg) and QUR (50 mg/kg) before being given a single dose of APAP. All rats were then sacrificed one day post APAP ingestion. Harvested kidney tissues were prepared for transmission electron microscopy (TEM) staining and blood samples were assayed for urea, creatinine, and biomarkers of inflammation and oxidative stress. TEM images and blood chemistry analysis showed that APAP overdose induced kidney damage as demonstrated by substantial alterations to the proximal convoluted tubule ultrastructure, and a significant (p<0.05) increase in urea, creatinine, tumor necrosis factor-alpha (TNF-a), and malondialdehyde (MDA) blood levels, which were protected by RES+QUR. These findings indicate that APAP induces alterations to the renal tubular ultrastructure, which is inhibited by resveratrol plus quercetin, which also decreases blood levels of kidney injury biomarkers.

El objetivo de este trabajo fue estudiar la nefrotoxicidad inducida por acetaminofeno (también llamado paracetamol o APAP) después de la ingestión accidental o intencional de una sobredosis de la droga. Las alteraciones ultraestructurales tubulares renales inducidas por sobredosis de APAP asociadas con la inducción de biomarcadores de daño renal no se han investigado. Además, estudiamos si los agentes combinados antiinflamatorios y antioxidantes polifenólicos, el resveratrol (RES) y la quercetina (QUR) pueden proteger contra la lesión renal aguda inducida por APAP. El grupo modelo de ratas recibió una dosis única de APAP (2 g / kg), mientras que el grupo protector de ratas se trató previamente durante 7 días con dosis combinadas de RES (30 mg / kg) y QUR (50 mg / kg) antes de recibir una dosis única de APAP. Todas las ratas se sacrificaron un día después de la ingestión de APAP. Los tejidos renales fueron preparados para el análisis a través de la microscopía electrónica de transmisión (MET). En las muestras de sangre se determinaron la urea, creatinina y los biomarcadores de inflamación y estrés oxidativo. Las imágenes MET y el análisis químico de la sangre mostraron que la sobredosis de APAP inducía daño renal, como lo demuestran las alteraciones sustanciales en la ultraestructura del túbulo contorneado proximal, y además, de un aumento significativo (p <0,05) de la urea, creatinina, factor de necrosis tumoral alfa y niveles sanguíneos de malondialdehído, protegidos por RES + QUR. Estos hallazgos indican que APAP induce alteraciones en la ultraestructura tubular renal, inhibida por el resveratrol más quercetina, que también disminuye los niveles sanguíneos de biomarcadores de daño renal.

Severe hypokalemia secondary to abuse of ß-adrenergic agonists in a pediatric patient: Case report / Hipocalemia grave secundária a abuso de agonistas ß-adrenérgicos em paciente pediátrico: relato de caso

ABSTRACT This study reports a case of a 13-year-old male with a 3-year history of severe and intermittent hypokalemia episodes of unknown origin, requiring admission to the intensive care unit (ICU) for long QT syndrome (LQTS), finally diagnosed of redistributive hypokalemia secondary to the abuse of β-adrenergic agonists in the context of a probable factitious disorder.

RESUMO O presente estudo relata o caso de um jovem de 13 anos de idade com histórico, há três anos, de episódios de hipocalemia grave intermitente de origem desconhecida, internado em unidade de terapia intensiva (UTI) por síndrome do QT longo (SQTL). O paciente foi diagnosticado com hipocalemia por redistribuição secundária ao abuso de agonistas β-adrenérgicos, em contexto de provável transtorno factício.

Advances in Neuropathologic Research of Hypoglycemic Brain Damage Caused by Insulin Overdose / 法医学杂志

The number of death from insulin overdose, including accidental poisoning, suicide and homicide, is increasing these years. The forensic diagnosis of death from insulin overdose is a tough task. Glucose is the main energy source of the brain. Therefore, hypoglycemic brain damage is considered to be the main reason of death from insulin overdose. Recently, research of hypoglycemic brain damage caused by insulin overdose is gradually being paid attention in the field of forensic medicine. This paper summarizes the neuropathologic changes, pathophysiologic process and potential neural molecular markers of hypoglycemic brain damage caused by insulin overdose in terms of forensic neuropathology, providing reference for the research and practice in forensic medicine related fields.

Sobredosis de warfarina: Reporte de caso / Warfarin overdose: case report

La intoxicación por warfarina es poco común, pero puede provocar hemorragias potencialmente mortales. Lo ideal sería la dosis adaptada de vitamina K que da como resultado un INR terapéutico hasta que las concentraciones de warfarina se normalicen. Sin embargo, dicho método de tratamiento puede complicarse con rebote de INR y resistencia a warfarina. Presentamos el caso de un varon de 75 años con historial de hábito alcohólico que inició tratamiento con warfarina, concomitante a fluoxetina. Presentó un INR>10 con hemorragia mayor que se revirtió satisfactoriamente al tratamiento conservador con vitamina K y Plasma fresco congelado. La sobredosis en pacientes con tratamiento de anticoagulación oral asociado a una patología de base hace más complicado el tratamiento por la dificultad de alcanzar una reversión total. La heparinización es una opción adecuada hasta restablecer la warfarinización, pero prolonga la hospitalización. Un evento como el que se presenta puede cursar con diferentes complicaciones, susceptibles de exponer al paciente a una situación crítica con riesgo vital inminente; por lo que, un diagnóstico precoz y acciones terapeúticas oportunas pueden prevenir este riesgo.

Aspectos novedosos de la intoxicación digitálica / New aspects on digitalis toxicity

Los digitálicos son fármacos con capacidad de aumentar la contractilidad miocárdica (inotrópico positivo), que han desempeñado un rol primordial en el tratamiento de pacientes con insuficiencia cardiaca; su uso inapropiado puede traer complicaciones serias a estos pacientes, incluso, hasta la muerte. La más importante de estas complicaciones es la intoxicación digitálica, originada por la sobredosis de dichos fármacos, a causa de la combinación del efecto inhibitorio en la conducción nodal y la estimulación sobre las fibras individuales auriculares y ventriculares. Debido al uso frecuente de estos medicamentos en todos los niveles de atención de salud y lo difícil que resulta diagnosticar dicha complicación por la complejidad de su cuadro clínico y de su expresión electrocardiográfica, se realizó una revisión bibliográfica exhaustiva sobre el tema para brindar amplia información, que permita una atención adecuada a los pacientes con este diagnóstico

Digitalis are drugs with the capacity of increasing myocardial contractility (inotropic positive agents) which have carried out an important role in the treatment of heart failure; their inappropriate use can bring severe complications to the patient, even, to death. The most important in these complications is the digitalis toxicity, originated by the overdose of these drugs, caused by the combination of the inhibitory effect in the nodal conduction and stimulation on the individual atrial and ventricular fibers. Due to the frequent use of these medications at all levels of medical care and to the difficulty in diagnosing this complication caused by the complexity of their clinical pattern and of their electrocardiographic expression, an exhaustive literature review was carried out on the topic to give a wide information that allows an appropriate care to the patients with this diagnosis

Extreme Suicide / 대한법의학회지

Many people end their lives by committing suicide every year. Most of these people inflict their own death using a method that is considered least painful such as hanging, gun shots, and drug overdose. Some choose to use their surroundings and jump off high buildings. We here present two cases of extremely rare suicide methods compared to the typically observed self-inflicted deaths. In the first case, a woman amputated her foot above the ankle with a kitchen knife, and in the second case, a man used an abrasive saw to cut his neck. Both victims had a psychiatric problem consistent with schizophrenia. Examination of these extraordinary death cases warrants a thorough scene investigation and an autopsy to determine past and present psychiatric illnesses and drug prescriptions.

Sobredosis accidental de enoxaparina en un recién nacido / Enoxaparin overdose in a newborn

La enoxaparina es una heparina de bajo peso molecular utilizada en el período neonatal. Requiere menor monitoreo que la heparina estándar o no fraccionada, si bien es escaso el conocimiento actual acerca de su dosis y de los niveles terapéuticos en los neonatos. Además, existe una información muy limitada respecto del manejo de su sobredosificación en este grupo de edad. Se presenta el primer caso publicado en castellano de un neonato que recibió una dosis de enoxaparina diez veces superior a la terapéutica de forma accidental y en el que se administró una dosis aislada de protamina para revertir su efecto.

Enoxaparin is a low molecular weight heparin used in the neonatal period. It requires less monitoring than standard or unfractionated heparin, although current knowledge about its dose and therapeutic levels in neonates is scarce. In addition, there is very limited information about the management of overdose in this age group. We present the first case published in Spanish of a neonate who accidentally received a dose of enoxaparin ten times higher than the therapeutic one and an isolated dose of protamine to reverse its effect.

Intoxicaciones agudas por sustancias químicas en Ibagué, Colombia en el año 2014; determinación de factores de riesgo para el evento de hospitalización / Acute poisoning by chemical substances Ibagué, Colombia; determination of risk factors for the hospitalization event

Resumen Introducción: En Colombia los reportes de intoxicaciones por sustancias químicas han presentado un ascenso durante el paso de los años. El aumento de las intoxicaciones en Colombia implica un incremento en la frecuencia de las hospitalizaciones y esto representa un mayor gasto para el sistema de salud. Objetivo: Describir los factores de riesgo asociados a la hospitalización por intoxicaciones en la ciudad de Ibagué reportadas por el sistema de vigilancia en salud pública para el año 2014. Métodos: Estudio descriptivo de fuente secundaria. Se utilizaron los registros de la secretaría de salud de Ibagué, para intoxicaciones agudas del año 2014. Mediante regresión logística se evaluaron los factores asociados a la presencia del evento hospitalización. Resultados: El agente causal con mayor incidencia en la ciudad de Ibagué, son las sustancias psicoactivas con 33,02 casos por 100.000 habitantes. Un factor de riesgo asociado de manera significativa con la hospitalización del individuo, es la exposición por vía oral de la sustancia respecto a los demás métodos de exposición. Los niveles de escolaridad primaria y secundaria presentan una asociación significativa con el desenlace respecto a individuos sin escolaridad. No obstante, el único factor protector con asociación significativa es la edad. Conclusiones: El 67.1% de las intoxicaciones en la ciudad de Ibagué para el año 2014, son de carácter preventivo, dado que 40,5% son de concepto suicida y el 26,6% de los casos son por concepto de adicción. Sin embargo, los individuos escolarizados presentan mayores tasas de intoxicación lo que puede sugerir un rediseño de la política de prevención y educación en la ciudad.

Abstract Introduction: In Colombia the reports of poisonings by chemical substances have presented an ascent during the passage of the years. The increase in poisonings in Colombia implies an increase in the frequency of hospitalizations; this represents a great expense for the health system. Objective: To describe the risk factors associated with hospitalization due to poisoning in the Ibagué city reported by the public health surveillance system for the year 2014. Methods: Descriptive study of secondary source. The records of the Ibagué Secretariat of Health were used for acute poisonings in 2014. The analysis was made with the calculation of incidents by type of agent, observing the outcome of hospitalizations. Logistic regression was used to evaluate the factors associated with the outcome of at least one hospitalization. Results: The causative agent with the highest incidence was on the part of the psychoactive substances with 33.02 cases per 100,000 inhabitants. A risk factor is significantly associated with the presence of the hospitalization outcome is the oral exposure of the substance with respect to other methods. Conclusions: It should be noted, the preventive natures of poisonings, given that 40.5% are suicidal concept, followed by intoxications for addiction that represent 26.6% of cases, these represent 67.1% of all cases. In addition, the levels of primary and secondary schooling present a significant association with the outcome regarding individuals without schooling. However, the only protective factor with significant association is age.

Intoxicación por ácido acetilsalicílico, fisiopatología y manejo / Physiopathology and management of acetylsalicylic acid intoxication

Acetylsalicylic acid (ASA) intoxication is potentially lethal. After ingestion, AAS is rapidly transformed into salicylic acid that dissociates into an hydrogen ion plus salicylate. Salicylate is the main form of AAS in the body and produces multiple alterations. Initially, the stimulation of the ventilatory center promotes a respiratory alkalosis. Then, the mitochondrial dysfunction induced by salicylate, will generate a progressive metabolic acidosis due to the accumulation of ketoacids, lactic acid and dicarboxylic acids among others. Another alterations include hydro electrolytic disorders, gastrointestinal lesions, neurological involvement, ototoxicity and coagulopathy. The correct handling of acetylsalicylic acid intoxication requires an thorough knowledge of its pharmacokinetics and pharmacodynamics. Treatment consists in life support measures, gastric lavage, activated charcoal and urinary alkalization to promote the excretion of salicylates. In some occasions, it will be necessary to start renal replacement therapy as soon as possible.