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Biomédica (Bogotá) ; 32(3): 365-374, jul.-set. 2012. ilus, graf, tab
Article in Spanish | LILACS | ID: lil-663708

ABSTRACT

Introducción. La medicina tradicional es una invaluable fuente de investigación de nuevos remedios como complemento para el tratamiento del accidente ofídico, considerado como un grave problema de salud pública a nivel mundial. Objetivo. Este trabajo de investigación pretende comprobar la capacidad de neutralizar los efectos hemorrágicos, coagulantes y proteolíticos, de los extractos de hojas de Renealmia alpinia, usada tradicionalmente por los indígenas del Chocó (Colombia) contra la mordedura de la serpiente Bothrops asper, causante de la gran mayoría de los accidentes ofídicos en nuestro país. Materiales y métodos. Se llevaron a cabo ensayos de toxicidad aguda y de actividad analgésica in vivo de R. alpinia. Además, se hicieron ensayos in vitro sobre inhibición de las actividades coagulante, hemolítica y proteolítica del veneno de B. asper. Resultados. El presente estudio demuestra que R. alpinia no produce efectos tóxicos en animales de experimentación; además, presenta efectos analgésicos in vivo y antiofídicos in vitro,y protege contra los efectos letales del veneno de B. asper, in vivo. Conclusión. Renealmia alpinia puede ser una buena alternativa terapéutica como complemento al tratamiento con antiveneno en el accidente ofídico, por sus efectos analgésicos y antiofídicos.


Introduction. Traditional medicine is an invaluable source of research into new medicines as a supplement for the treatment of snakebite, considered as a serious public health problem worldwide. The extracts of the medicinal plant, Renealmia alpina, have been used traditionally by indigenous people of Chocó (Colombia) against Bothrops asper snakebite, a snake responsible for the majority of snakebite accidents in Colombia. Objective. The ability of extracts of R. alpinia leaves was tested for its ability to neutralize the hemorrhagic, coagulant and proteolytic effects of the snakebite venom of B. asper. Materials and methods. The acute toxicity tests and analgesic activity of R. alpina were evaluated in vivo. In addition, tests were undertaken in in vitro conditions to demonstrate inhibition of coagulant, haemolytic and proteolytic activity of the B. asper venom. Results. Renealmia alpinia extracts had no toxic effects in experimental animals and also provided analgesic and antiophidian effects and protection against the lethal effects of the venom of B. asper. Conclusion. Renealmia. alpinia was an effective therapeutic alternative in association with antivenom treatment in the event of a B. asper snakebite accident. It was demonstrated to protect against the lethal effects and provided analgesic properties as well.


Subject(s)
Animals , Female , Male , Bothrops , Crotalid Venoms/antagonists & inhibitors , Phytotherapy , Plant Extracts/therapeutic use , Plant Leaves/chemistry , Snake Bites/drug therapy , Zingiberaceae , Acetates , Analgesics/therapeutic use , Analgesics/toxicity , Blood Coagulation/drug effects , Crotalid Venoms/toxicity , Drug Evaluation, Preclinical , Ethanol , Hexanes , Hemolysis/drug effects , Methanol , Methylene Chloride , Mice, Inbred BALB C , Plant Extracts/isolation & purification , Plant Extracts/pharmacology , Plant Extracts/toxicity , Proteolysis/drug effects , Solvents
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