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Envenoming by coral snakes (Micrurus) in Argentina, during the period between 1979-2003 / Envenenamento por cobras corais na Argentina durante o período 1979-2003
Roodt, Adolfo Rafael de; de Titto, Ernesto; Dolab, Jorge Adrián; Chippaux, Jean-Philippe.
  • Roodt, Adolfo Rafael de; Universidad de Buenos Aires. Facultad de Medicina. Centro de Patología Experimental y Aplicada. Laboratorio de Toxinopatología. CABA. AR
  • de Titto, Ernesto; Universidad de Buenos Aires. Facultad de Medicina. Centro de Patología Experimental y Aplicada. Laboratorio de Toxinopatología. CABA. AR
  • Dolab, Jorge Adrián; Universidad de Buenos Aires. Facultad de Medicina. Centro de Patología Experimental y Aplicada. Laboratorio de Toxinopatología. CABA. AR
  • Chippaux, Jean-Philippe; Universidad de Buenos Aires. Facultad de Medicina. Centro de Patología Experimental y Aplicada. Laboratorio de Toxinopatología. CABA. AR
Rev. Inst. Med. Trop. Säo Paulo ; 55(1): 13-18, Jan.-Feb. 2013. ilus
Article in English | LILACS | ID: lil-661097
ABSTRACT
Envenomation by coral snakes (Micrurus sp.) is one of the most dangerous injuries in America and it is considered as a serious medical emergency, however bites by these snakes appear to be rare. We analyzed epidemiological data, clinical signs and antivenom use in Argentina during the period between 1979-2003. During this period of study 46 non-fatal Micrurus bites were reported. The majority of cases were men from 31 to 40 years old. Bites occurred primarily in spring and summer. Most cases were reported from the northeast and northwest provinces of the country. The bites were mostly located on hands or feet and occurred mostly during agricultural activities and so mainly involved farmers. Only four cases occurred as a result of handling snakes. The median time it took for antivenom to be administrated was 60 minutes after the bite, and the median number of vials applied was 2. Local pain was mentioned and edema was reported in 41% of patients. All patients recovered without sequelae. This study showed a low incidence of Micrurus bites and low severity of envenomation. However, although no deaths have been reported during the last 30 years, given the toxicity of the venom of Micrurus snakes, the risk of severe envenomation should be considered.
RESUMO
O envenenamento por corais (Micrurus sp.) é um dos mais perigosos na América e considerado uma emergência médica grave ainda que acidentes por estas serpentes pareçam raros. Analisamos dados epidemiológicos e clínicos e o uso de soro antiofídico, durante o período de 1979-2003. As comunicações indicam 46 acidentes por Micrurus, aproximadamente dois casos anuais, sem registro. A maioria dos casos ocorreu em homens de idade entre 31 e 40 anos, principalmente no período de primavera e verão e provenientes do noroeste e nordeste do país. Os acidentes na sua maioria ocorreram em mãos e pés, durante atividades agrícolas envolvendo trabalhadores rurais. Apenas quatro acidentes foram relacionados a manejo dos animais. Em todos os casos analisados houve descrição de dor local e em 41% dos pacientes houve edema. Por paciente foram administradas, em média, duas ampolas. O tempo médio de aplicação do soro foi de 60 minutos. Em todos os casos a recuperação foi favorável sem presença de sequelas. Neste estudo foi possível observar uma baixa incidência de acidentes e baixa severidade nos envenenamentos. Apesar de que não aconteceram mortes nos últimos 30 anos, dado a toxicidade do veneno das cobras corais, o risco de envenenamento severo deveria ser considerado.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Snake Bites / Antivenins / Elapidae / Elapid Venoms Type of study: Incidence study / Observational study / Prognostic study / Risk factors Limits: Animals / Female / Humans / Male Country/Region as subject: South America / Argentina Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2013 Type: Article Affiliation country: Argentina Institution/Affiliation country: Universidad de Buenos Aires/AR

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Full text: Available Index: LILACS (Americas) Main subject: Snake Bites / Antivenins / Elapidae / Elapid Venoms Type of study: Incidence study / Observational study / Prognostic study / Risk factors Limits: Animals / Female / Humans / Male Country/Region as subject: South America / Argentina Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2013 Type: Article Affiliation country: Argentina Institution/Affiliation country: Universidad de Buenos Aires/AR