Comparison of Bothropoides jararaca bites with and without envenoming treated at the Vital Brazil Hospital of the Butantan Institute, State of São Paulo, Brazil

Revista da Sociedade Brasileira de Medicina Tropical

Alessandra Furtado Nicoleti²  Carlos Roberto De Medeiros¹  Marcelo Ribeiro Duarte¹  Francisco Oscar De Siqueira França¹ 

[1] ,University of São Paulo Faculty of Medicine Department of Infectious and Parasitic DiseasesSão Paulo SP ,Brazil

关键词: Bothrops;    Bothropoides;    Snake bites;    Envenoming;    Brazil;    Clinical aspects;    Bothrops;    Bothropoides;    Acidentes ofídicos;    Envenenamento;    Brasil;    Aspectos clínicos;   

DOI  :  10.1590/S0037-86822010000600011

来源: SciELO

【 摘 要 】

INTRODUCTION: This study analyses the cases of all bites (including dry bites) caused by Bothropoides jararaca attended at the Vital Brazil Hospital of the Butantan Institute, State of São Paulo, Brazil. METHODS: A retrospective study was conducted of patients bitten by Bothropoides jararaca (n=792) from January 1990 to December 2004. The characteristics of the snake specimen, data related to the accident and clinical manifestations on admission were obtained from patient medical records. RESULTS: The majority of the cases in this study were caused by female and juvenile snakes. No stomach contents were found in 93.4% of the snake specimens after dissection. No statistical difference was observed between the occurrence of dry bites and the maturity or sex of the snake. The median SVL of snakes in mild and moderate cases was 40.5cm and in severe cases, SVL increased to 99cm. Necrosis was more common in the digits of the feet and hands (4.8%) compared to the other body regions (1.8%). A significant difference was verified between severity and a time interval greater than six hours from the bite to hospital admission. A significant association was verified between gingival bleeding and abnormal blood coagulability. In accidents caused by adult snakes, necrosis was more frequent (7.2%) compared to accidents caused by juvenile snakes (1%). CONCLUSIONS: In this work, the association between certain epidemiological data and the evolution of biological parameters in the clinical course of Bothrops sensu latu accidents were highlighted, contributing to the improvement of snake bite assistance.

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