2020
DOI: 10.1590/1984-0462/2020/38/2018267
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Malignant Hyperthermia in a Child After Magnetic Resonance Imaging: A Case Report

Abstract: Objective: To report on a case of malignant hyperthermia in a child after a magnetic resonance imaging of the skull was performed using sevoflurane anesthesia. Case description: A 3-year-old boy admitted to the pediatric intensive care unit after presenting clinical and laboratory findings consistent with unspecified viral meningoencephalitis. While the patient was sedated, a magnetic resonance imaging of the skul was performed using propofol followed by the administration of sevoflurane through a laryngeal… Show more

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Cited by 5 publications
(7 citation statements)
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“…Malignant hyperthermia is a hypermetabolic response to potent volatile anaesthetic gases (isoflurane>sevoflorane>desflorane) and depolarizing muscle relaxants 1 . Malignant hyperthermia episodes have been estimated to occur between 1:10 000 and 1:25 000 2 . The prevalence is higher in males than females and 52% of reported cases come under the paediatric age group under 15 years of age 2 , 3 , 6 .…”
Section: Discussionmentioning
confidence: 99%
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“…Malignant hyperthermia is a hypermetabolic response to potent volatile anaesthetic gases (isoflurane>sevoflorane>desflorane) and depolarizing muscle relaxants 1 . Malignant hyperthermia episodes have been estimated to occur between 1:10 000 and 1:25 000 2 . The prevalence is higher in males than females and 52% of reported cases come under the paediatric age group under 15 years of age 2 , 3 , 6 .…”
Section: Discussionmentioning
confidence: 99%
“…The incidence of MH varies from 1:3000 to 1:100 000 with the prevalence slightly higher in males than females 1 . It has a high mortality rate of up to 80% depending upon early recognition and management MH clinically manifests as a hyperthermic reaction with the catabolic crisis 2 Clinical symptoms are hypercarbia, tachycardia, muscle rigidity, and hyperthermia 3 , 4 Management includes immediate discontinuation of the trigger agent with symptomatic treatment and administration of Dantrolene 1 .…”
Section: Introductionmentioning
confidence: 99%
“…Os principais sintomas da Hipertermia maligna são: rigidez muscular, cianose e temperaturas superiores a 40ºC. Isso tudo acontece cerca de 4 a 5 horas após administração dos fármacos desencadeadores (1)(2)(3) .…”
Section: Introductionunclassified
“…O paciente que é conhecido pela suscetibilidade à crise de HM, quando submetido a procedimentos que envolvam uso de anestésicos halogenados deve ser assistidos em unidade de terapia intensiva (UTI), pois caso manifeste os sintomas da HM, a equipe prontamente administra o Dantroleno, indicado como antídoto para crise de hipertermia maligna. A administração do antídoto deve ser realizada aos primeiros sintomas da HM, uma vez que o tratamento tardio pode levar a morte fulminante do paciente (4,5) .…”
Section: Introductionunclassified
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