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1.
Rev. Fac. Med. (Bogotá) ; 65(4): 693-696, Dec. 2017. tab
Article in Spanish | LILACS | ID: biblio-896783

ABSTRACT

Resumen El amitraz es un compuesto insecticida utilizado a nivel mundial para el control de plagas, en especial en áreas rurales agrícolas y ganaderas. La intoxicación por amitraz es infrecuente en Colombia. Se presenta el caso de una paciente de 18 años de edad, quien ingresa al servicio de urgencias 3 horas después de la ingesta de Triatox® (amitraz) en cantidad desconocida. La mujer llega con depresión del estado de conciencia, dificultad respiratoria, hipotensión, bradicardia, miosis y acidosis metabólica compensada con alcalosis respiratoria, por lo que se le suministra tratamiento inicial con medidas de soporte vital en el servicio de urgencias, con posterior necesidad de traslado y soporte en la unidad de cuidados intensivos, siendo dada de alta de la misma unidad 24 horas después del ingreso. El caso pone en consideración la similitud clínica entre la intoxicación por amitraz y la debida a otros compuestos tóxicos más frecuentes como carbamatos, organofosforados y opioides, los cuales requieren un manejo distinto.


Abstract Amitraz is an insecticide compound used worldwide for controlling pests, especially in agricultural and livestock areas. However, amitraz poisoning in Colombia is rare. This article reports the case of an 18-year-old female patient who was admitted in the emergency service 3 hours after the intake of an unknown amount of Triatox® (amitraz). The patient presented with a depressed level of consciousness, respiratory distress, hypotension, bradycardia, myosis and metabolic acidosis compensated with respiratory alkalosis. Initial treatment was provided using life support measures in the emergency ward, and subsequent transfer and support in the intensive care unit. She was discharged 24 hours after admission. This case considers the clinical similarity between amitraz poisoning and poisoning caused by other more frequent toxic compounds such as carbamates, organophosphates and opioids, which require different management.

2.
Rev. odontol. UNESP (Online) ; 41(3): 160-163, maio-jun. 2012. tab
Article in Portuguese | LILACS, BBO | ID: lil-667011

ABSTRACT

Objetivo: O objetivo deste estudo foi avaliar a ação do salicilato de metila na dissolução de Resilon e guta-percha. Material e método: Dez discos de Resilon, guta-percha (Alpha) e guta-percha (ProTaper) foram preparados (10 mm de diâmetro × 1 mm de espessura) e mantidos a 37 °C por 48 horas. Cada amostra foi pesada em uma balança de precisão, determinando a massa inicial. Os espécimes foram imersos em salicilato de metila ou xilol (controle) por 5 minutos, lavados em água por 30 minutos, secos e, posteriormente, pesados em intervalos de 24 horas, até a estabilização da massa (massa final). A capacidade solvente foi expressa pela diferença entre a massa final e a inicial. Os dados foram submetidos à análise de variância e teste de Tukey, com nível de significância de 5%. Resultado: Os resultados mostraram que o salicilato de metila foi mais efetivo sobre o Resilon do que sobre a guta-percha (p <0,05). A capacidade solvente do salicilato de metila foi semelhante à do xilol sobre o Resilon (p >0,05). O xilol mostrou melhor atuação sobre a guta-percha em comparação ao salicilato de metila (p < 0,05). Conclusão: Concluiu-se que o salicilato de metila não apresenta atuação solvente sobre guta-percha, sendo eficaz na dissolução do Resilon. O salicilato de metila demonstra ser alternativa ao uso do xilol durante o retratamento endodôntico de dentes obturados com Resilon.


Objective: The aim of this study was to evaluate the action of methyl salicylate in dissolving Resilon and gutta-percha. Material and method: Ten discs of Resilon, Alpha gutta-percha and ProTaper gutta-percha were prepared (10 mm diameter × 1 mm thick) and kept at 37 °C for 48 hours. Each sample was weighed in a balance of accuracy determining the initial mass. The specimens were immersed in methyl salicylate or xylene (control) for 5  minutes, rinsed in water for 30 minutes, dried and subsequently weighed in 24 hours intervals until the stabilization of weight (final mass). The solvent capacity was expressed by the difference between the final and initial mass. The data were analyzed by using ANOVA and Tukey test with significance level of 5%. Result: The results showed that the methyl salicylate was more effective on Resilon than on gutta-percha (p < 0.05). Methyl salicylate and xylene had similar solvent action on Resilon (p > 0.05). The xylene showed better performance on gutta-percha than methyl salicylate (p < 0.05). Conclusion: It was concluded that methyl salicylate did not show solvent action on gutta-percha, however it showed effectiveness in dissolution of Resilon. Thus methyl salicylate can be a possible alternative to the use of xylene during endodontic retreatment of teeth obturated with Resilon.


Subject(s)
Root Canal Filling Materials , Xylenes , Endodontics , Dissolution , Gutta-Percha
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