Stinging insect allergy: Natural history and modification with venom immunotherapy |
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Authors: | Robert E Reisman MD Donald J Dvorin MD Christopher C Randolph MD John W Georgitis MD |
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Institution: | From the Allergy Research Laboratory, Buffalo General Hospital, Department of Medicine, Division of Allergy, State University of New York at Buffalo, Buffalo, N. Y., USA |
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Abstract: | The natural history of stinging insect allergy and its modification by venom immunotherapy was investigated by follow-up observations of patients with histories of venom anaphylaxis and detectable venom-specific IgE. The patients were divided into three categories: (1) receiving venom immunotherapy, (2) declined venom immunotherapy, and (3) terminated venom immunotherapy. One hundred twenty-seven patients were evaluated after 6 mo to 9 yr of venom immunotherapy. Most received top venom doses of 50 μg of yellow jacket and/or honeybee venoms every 4 wk. There were 87 restings in 48 patients resulting in two systemic reactions, only one of which could be considered a treatment failure (1%). Fifty-six patients never received venom immunotherapy. In this group there were 40 restings in 28 patients with 14 systemic reactions (35%). In 88 patients who stopped venom immunotherapy, 61 restings in 41 patients led to 11 systemic reactions (17%). Patients with cardiovascular/or respiratory symptoms with initial sting anaphylaxis were at risk for subsequent reactions. With one exception, patients with hives and edema only as the initial reaction either had a similar or no reaction when they were restung. These results confirm the efficacy of venom immunotherapy but also suggest that there are factors other than the presence of venom-specific IgE modulating the occurrence of clinical anaphylaxis. |
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Keywords: | Reprint requests: Robert E Reisman M D 50 High St Buffalo NY 14203 |
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