Publications by authors named "Sandra Tomy"

Large number of accidents caused by contact with Lonomia obliqua caterpillars, with hemorrhagic complications, have occurred in southern Brazil. Based on Venezuelan expertise to treat Lonomia achelous envenomation, the use of the antifibrinolytic drug epsilon-aminocaproic acid (EACA) has been indicated to treat L. obliqua envenomation, although no evidence has been presented to justify its use.

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Article Synopsis
  • - Contact with the Lonomia obliqua caterpillar can lead to a dangerous condition called hemorrhagic syndrome due to its venom activating certain blood factors.
  • - The venom affects prothrombin and factor X and causes the breakdown of fibrinogen, potentially leading to severe bleeding issues.
  • - Despite previous reports not indicating hemolysis in humans, this text presents a confirmed case where Lonomia venom indeed caused hemolysis in a human subject.
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The injury caused by the intramuscular injection of a single dose of Bothrops jararaca venom (0.24 mg/kg body weight) to mice on day 8 of pregnancy and examined on day 9 was investigated. Macroscopic and histological examination showed that the bothropic venom caused an increase in the incidence of fetal resorptions.

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The efficacies of specific Bothrops atrox-Lachesis and standard Bothrops-Lachesis antivenoms were compared in the north eastern Amazon region of Brazil. The main aim was to investigate whether a specific antivenom raised against the venom of B. atrox, the most important Amazon snake species from a medical point of view, was necessary for the treatment of patients in this region.

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