Comparison between sensitivity of autologous skin serum test and autologous plasma skin test in patients with Chronic Idiopathic Urticaria for detection of antibody against IgE or IgE receptor (FcεRIα).
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| Abstract |
Intradermal injection of autologous serum and plasma elicit a cutaneous reactivity in almost 45-60% of patients with Chronic Idiopathic Urticaria (CIU). This reactivity is associated with the presence of auto antibodies against IgE or IgE receptors. This study was carried out to compare the cutaneous reactivity of autologous serum and plasma skin tests in a series of patients with CIU for diagnosis of auto antibodies against IgE or IgE receptor. Fifty eight patients with CIU were injected intradermally with autologous serum and plasma (anticoagulated by citrate). Histamine was used as positive control and normal saline as negative control. The study group was checked by routine laboratory tests (CBC, U/A etc), allergens with skin prick tests, and serum IgE level, and auto antibodies against thyroid as well. Duration of urticaria was another factor which was assessed.There was no significant difference between positive ASST and positive APST patients for the above mentioned tests. 77.6% of the patients were Positive for APST and 65.5% were ASST positive. Duration of urticaria was longer in patients with positive ASST and APST than ASST and APST negative patients, although the difference was not statistically significant.Autologus serum skin test (ASST) and autologous plasma skin test (APST) could be used for estimation of duration and severity of urticaria and planning for the treatment.
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| Authors | Vahid Sajedi, Masoud Movahedi, Asghar Aghamohammadi, Asghar Aghamohamadi, Mohammad Gharagozlou, Mohammad Ghareguzlou, Alireza Shafiei, Habib Soheili, Nahal Sanajian |
| Journal | Iranian journal of allergy, asthma, and immunology (Iran J Allergy Asthma Immunol) Vol. 10 Issue 2 Pg. 111-7 (Jun 2011) ISSN: 1735-1502 [Print] Iran |
| PMID | 21625019 (Publication Type: Comparative Study, Journal Article) |
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