Document Detail


Hematological, hemostatic and clinical chemistry disturbances induced by Crotalus durissus terrificus snake venom in dogs.
MedLine Citation:
PMID:  14580009     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The aim of this study was to investigate the hematological, hemostatic and biochemical disturbances induced by the injection of Crotalus durissus terrificus venom in dogs under controlled conditions. For this purpose three groups of animals were used: an experimental group (E), which was injected i.m. with C. durissus terrificus venom (1 mg/kg); and two control groups--antivenom (AV) and control (C)--which were injected i.m. with 150 mM NaCl. Groups E and AV were treated i.v. with Crotalus antivenom 2 hours after the first injection. Serum levels of alkaline phosphatase and alanine aminotransferase were increased in groups E and AV at 24 and 48 hours after serumtherapy, respectively. The increased serum levels of myoglobin, creatine kinase and aspartate aminotransferase demonstrated that animals developed rhabdomyolysis. A persistent neutrophilic leukocytosis was already noticeable at 2 hours after envenomation and lasted even after serumtherapy. The animals of groups E and AV presented eosinopenia 24 hours after serumtherapy, and collagen-induced platelet hypoaggregation was observed without thrombocytopenia. Increased levels of fibrinogen/fibrin degradation products (FnDP/FgDP), hypofibrinogenemia, and alpha2-antiplasmin consumption were observed at 2 hours after envenomation, indicating secondary activation of fibrinolysis. Our data suggest that the biochemical and hemostatic disturbances induced by C. durissus terrificus venom in dogs are related to its myotoxic and thrombin-like activities.
Authors:
M C C de Sousa-e-Silva; S C Tomy; F L Tavares; L Navajas; M H M A Larsson; S R R Lucas; M M Kogika; I S Sano-Martins
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Human & experimental toxicology     Volume:  22     ISSN:  0960-3271     ISO Abbreviation:  Hum Exp Toxicol     Publication Date:  2003 Sep 
Date Detail:
Created Date:  2003-10-28     Completed Date:  2004-05-25     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9004560     Medline TA:  Hum Exp Toxicol     Country:  England    
Other Details:
Languages:  eng     Pagination:  491-500     Citation Subset:  IM    
Affiliation:
Laboratório de Fisiopatologia, Instituto Butantan, Av. Vital Brazil 1500, Caixa Postal 05503-900, São Paulo, SP, Brasil. sousaesilva@butantan.gov.br
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MeSH Terms
Descriptor/Qualifier:
Animals
Antivenins / therapeutic use
Aspartate Aminotransferases / blood
Blood Coagulation Disorders / blood*,  etiology,  therapy
Clinical Chemistry Tests
Creatine Kinase / blood
Crotalid Venoms / toxicity*
Crotalus*
Dogs
Male
Myoglobin / blood
Rhabdomyolysis / blood,  etiology,  therapy
Snake Bites / blood*,  complications,  therapy
Chemical
Reg. No./Substance:
0/Antivenins; 0/Crotalid Venoms; 0/Myoglobin; EC 2.6.1.1/Aspartate Aminotransferases; EC 2.7.3.2/Creatine Kinase

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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