Clinical toxicology (Philadelphia, Pa.) · 2009
Serum levels and urine detection of Centruroides sculpturatus venom in significantly envenomated patients.
СтатьяНазвание и аннотация: Перевод в очереди
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Chase Peter, Boyer-Hassen Leslie, McNally Jude, Vazquez H L, Theodorou Andreas A, Walter Frank Gardner, Alagon Alejandro
Аннотация
INTRODUCTION: Envenomation by Centruroides sculpturatus can cause systemic signs and symptoms requiring treatment. The toxicokinetics of C. sculpturatus venom has not been described.
METHODS: Venom components were separated for cross-reactivity testing. Serum and urine collected from three patients envenomated by C. sculpturatus had venom levels determined by sandwich enzyme-linked immunosorbent assay (ELISA).
RESULTS: Western blot analysis indicated recognition of C. sculpturatus venom by Alacramyn, an equine F(ab')(2) antivenom developed against Centruroides scorpion venoms, including C. sculpturatus. Serum venom levels in ng/mL with post-envenomation times in minutes (min) were as follows: 85-year-old woman = 8.2 (approximately 150), 2.8 (515), 1.6 (1,200); 14-month-old girl = 29.7 (approximately 50), 5.0 (729); 3-year-old girl = 11.1 (approximately 313), urine venom level of 9.0 (approximately 490).
CONCLUSION: There is sufficient venom cross-antigenicity among different Centruroides species to allow this ELISA technique with Alacramyn to determine serum and urine C. sculpturatus venom concentrations in envenomated patients.
METHODS: Venom components were separated for cross-reactivity testing. Serum and urine collected from three patients envenomated by C. sculpturatus had venom levels determined by sandwich enzyme-linked immunosorbent assay (ELISA).
RESULTS: Western blot analysis indicated recognition of C. sculpturatus venom by Alacramyn, an equine F(ab')(2) antivenom developed against Centruroides scorpion venoms, including C. sculpturatus. Serum venom levels in ng/mL with post-envenomation times in minutes (min) were as follows: 85-year-old woman = 8.2 (approximately 150), 2.8 (515), 1.6 (1,200); 14-month-old girl = 29.7 (approximately 50), 5.0 (729); 3-year-old girl = 11.1 (approximately 313), urine venom level of 9.0 (approximately 490).
CONCLUSION: There is sufficient venom cross-antigenicity among different Centruroides species to allow this ELISA technique with Alacramyn to determine serum and urine C. sculpturatus venom concentrations in envenomated patients.