Diagnosis of Food Allergy and Intolerance - Vickerstaff ：食物过敏和不耐受诊断维克斯塔夫.pptVIP

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Diagnosis of Food Allergy and Intolerance - Vickerstaff ：食物过敏和不耐受诊断维克斯塔夫.ppt

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Diagnosis of Food Allergy and Intolerance - Vickerstaff ：食物过敏和不耐受诊断维克斯塔夫

J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * * Summary Recognition of development of tolerance Periodic test and challenge after usually several years of avoidance of allergenic food Maintenance of tolerance by regular consumption of allergenic food Invitation to Further Information Website: Janice Vickerstaff Joneja Ph.D The Health Professional’s Guide to Food Allergies and Intolerances Academy of Nutrition and Dietetics. Chicago 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * J.M.Joneja, Ph.D. 2013 * * Expected Results of Elimination Diet Symptoms often worsen on days 2-4 of elimination By day 5-7 symptomatic improvement is experienced Symptoms disappear after 10-14 days of exclusion * Challenge Double-blind Placebo-controlled Food Challenge (DBPCFC) Lyophilized (freeze-dried) food is disguised in gelatin capsules Identical gelatin capsules contain a placebo (glucose powder) Neither the patient nor the supervisor knows the identity of the contents of the capsules Positive test is when the food triggers symptoms and the placebo does not * Challenge (continued) Drawback of DBPCFC Expensive in time and personnel Capsule may not provide enough food to elicit a positive reaction Patient may be allergic to gelatin in capsule May be other factors involved in elicit