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[Level of histamine in supernatants from the basophil activation test: applications to hymenoptera allergy and drug allergy--preliminary study].

Histamine Release technic consists in calculating histamine liberated by blood cells in touch with an allergen. To this day, this method is only used in Hymenoptera venom allergy diagnosis. The principle of this study is to measure histamine released by activated basophils in surnageons of Basophil Activation Test (BAT) for different allergens: Hymenoptera venoms: Bee, White Faced Hornet, Vespula Wasp. Drugs: Cefaperos, Clamoxyl, Alfatil, Rapifen, Diprivan, Nesdonal, Mivacron. A threshold of positivity (amplification factor in comparison with the control) is determined for these two classes of allergens: 45 for Hymenoptera venoms and 9 for drugs. These results, compared to the other diagnosis technics (Histamine Release, Basophil Activation Test, Prick Tests) discloses very high correlation rates in each case. This method seems to be a reliable method for Hymenoptera venom allergy diagnosis and for drugs allergy diagnosis too. However, this study is based on a few number of patients, so a significant statistic conclusion can't be expressed but it opens an interesting way of research.