Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.13/43365

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Title
A comparison of serum antivenom concentrations after intravenous and intramuscular administration of redback (widow) spider antivenom
Author/Creator
Isbister, Geoffrey K.;  O'Leary, Margaret;  Miller, Mark;  Brown, Simon G. A.;  Ramasamy, Sharmaine;  James, Rosemary;  Schneider, Jennifer S.
Institution
The University of Newcastle. Faculty of Health, School of Medicine and Public Health
Description
AIMS: There are no studies measuring antivenom concentrations following intramuscular administration. This study aimed to compare antivenom concentrations following intravenous and intramuscular administration of redback spider antivenom (RBSAV). METHODS: Twenty patients recruited to a controlled trial comparing intramuscular and intravenous administration of antivenom had serial blood samples collected at 30 min intervals for 2 h after the administration of one or two doses of antivenom. Antivenom concentration was measured using an enzyme immunoassay. RESULTS: Ten patients received intramuscular antivenom but antivenom could not be detected in serum after either one or two vials, at any time point. The median time of the final sample after commencement of antivenom treatment in these patients was 3.2 h (1.8-5 h). Ten patients received intravenous antivenom (three one vial and seven two or more vials) and antivenom was detected in all patients. CONCLUSIONS: RBS AV given by the intramuscular route is unlikely to be effective in the treatment of redback (widow) spider bite.
Relation
British Journal of Clinical Pharmacology Vol. 65, Issue 1, p. 139-143
Publisher Link
http://dx.doi.org/10.1111/j.1365-2125.2007.03004.x
Date
2008
Publisher
Wiley-Blackwell Publishing
Keyword(s)
antivenom;  widow spider;  arachnidism;  intramuscular administration;  Latrodectus;  envenoming
Resource Type
journal article
Identifier
http://hdl.handle.net/1959.13/43365
Identifier
ISSN:0306-5251
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Subject
"British Journal of Clinical Pharmacology"
 
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