| tourniquet ineffectiveness to reduce the severity of envenoming after crotalus durissus snake bite in belo horizonte, minas gerais, brazil. | clinical and laboratory data from patients who applied a tourniquet (tourniquet group, n = 45) and who did not apply it (non-tourniquet group, n = 52) after being bitten by crotalus durissus were compared. the patients were treated with 100-200 ml of crotalus durissus antivenom. the gender, age, time elapsed between bite and hospital admission, dose of antivenom and the frequency of local paresthesia, myalgia and palpebral ptosis did not differ between the two groups. plasma creatine kinase enzy ... | 1998 | 9655642 |
| south american rattlesnake bite (crotalus durissus sp) without envenoming: insights on diagnosis and treatment. | a south american rattlesnake bite without clinical manifestations of envenoming (termed 'dry-bite') has not been recognized to occur by the brazilian ministry of health, which recommends the administration of antivenom to all bitten patients. during 36 months of an observational study on south american rattlesnake bites in minas gerais, brazil, 12% of 41 patients with fang marks at the bite-site did not present clinical or laboratory features of envenoming and had no plasma venom detected before ... | 1998 | 9839686 |
| intraspecific variation in the venoms of the south american rattlesnake (crotalus durissus terrificus). | the venom of eight individual crotalus durissus terrificus snakes from the state of minas gerais, brazil, in addition to pooled venom from butantan institute, were compared. snakes were captured in distinct locations, some of them 600 km apart: conselheiro lafaiete, entre rios de minas, itauna, itapecerica, lavras, patos de minas, paracatu, and santo antonio do amparo. the crude venoms were tested for proteolytic, phospholipase a2, platelet aggregating, and hemagglutinating activities. the venom ... | 2000 | 11081410 |