2022
DOI: 10.31072/rcf.v13i1.922
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Intoxicação Por Paraquat: Dos Cuidados Emergenciais Ao Prognóstico

Abstract: De todos os herbicidas mundialmente utilizados no meio agrícola, o Paraquat (PQ) tem se mostrado o principal responsável por graves intoxicações em humanos. Em estudos realizados nos últimos anos, observa-se um grande número de fatalidades envolvendo a ingestão acidental ou intencional por PQ. Diante desse contexto, o presente estudo busca identificar, através de revisão em produções científicas, soluções para a questão norteadora sobre quais são os cuidados emergenciais, tratamento medicamentoso e prognóstico… Show more

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“…Studies have highlighted the toxicity of PQ in animals, the oral mean lethal dose (LD 50 ) varies from 22 to 262 mg/kg, depending on the species (Schmitt et al 2006;Saravu et al 2013), impairment in bioenergetic function and mitochondrial metabolism, as well as the aggregation of α-synuclein and amyloid precursor protein (APP), crucial proteins involved in neurodegenerative processes (Chan and Bonini 2000; O'Kane 2011; Souza et al 2019). In PQ intoxication, it will have consequences due to the absence of antidotes (Saravu et al 2013;Baltazar et al 2014;Souza et al 2022). In addition, this compound is similar to 1methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), a dopaminergic neurotoxin widely used as an inducer of Alzheimer's and Parkinson's diseases in experimental animal models (Spivey 2011;Tanner et al 2011;Kamel 2013;Thany et al 2013;Baltazar et al 2014).…”
Section: Introductionmentioning
confidence: 99%
“…Studies have highlighted the toxicity of PQ in animals, the oral mean lethal dose (LD 50 ) varies from 22 to 262 mg/kg, depending on the species (Schmitt et al 2006;Saravu et al 2013), impairment in bioenergetic function and mitochondrial metabolism, as well as the aggregation of α-synuclein and amyloid precursor protein (APP), crucial proteins involved in neurodegenerative processes (Chan and Bonini 2000; O'Kane 2011; Souza et al 2019). In PQ intoxication, it will have consequences due to the absence of antidotes (Saravu et al 2013;Baltazar et al 2014;Souza et al 2022). In addition, this compound is similar to 1methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), a dopaminergic neurotoxin widely used as an inducer of Alzheimer's and Parkinson's diseases in experimental animal models (Spivey 2011;Tanner et al 2011;Kamel 2013;Thany et al 2013;Baltazar et al 2014).…”
Section: Introductionmentioning
confidence: 99%