Document Detail

Immunoglobulin E-mediated food allergies among adults with allergic rhinitis.
MedLine Citation:
PMID:  20723775     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To compare the prevalence of food allergy for peanut, shrimp, and milk in adults with allergic rhinitis and to determine predictive values of these allergens and total immunoglobulin E (IgE) to detect food allergies. STUDY DESIGN: Cross-sectional study. SETTING: University of Chicago Medical Center, Chicago, Illinois. SUBJECTS AND METHODS: We retrospectively analyzed in vitro enzyme-linked immunosorbent assays of adults with rhinitis. Subjects were tested for nine inhalants and three foods (peanut, shrimp, milk) and total IgE. Subjects with food allergy history were tested with additional foods. The sensitivity (SE), specificity (SP), positive predictive value (PPV), and negative predictive value (NPV) of the allergens and total IgE to detect food allergies were calculated. RESULTS: A total of 283 subjects received in vitro tests. Forty-one percent tested negative and 59 percent tested positive for inhalants. The prevalence of subjects with a positive peanut or shrimp allergy in the inhalant-positive population was significantly greater than subjects with milk allergy (23.4% peanut [P = 0.008], 22.2% shrimp [P = 0.001], and 13.2% milk [P = 0.008], P = 0.001). For subjects with food allergy history, peanut had the best SP (100.0%), SE (28.1%), PPV (100.0%), and NPV (64.6%) in detecting allergies to other foods. In patients positive for the initial panel (inhalants and peanut), the SP, SE, PPV, and NPV of elevated total IgE was 71.4, 72.4, 77.8, and 65.2 percent, respectively. CONCLUSION: Peanut and shrimp were the most common foods encountered in adults with allergic rhinitis. Peanut was best in predicting other food allergies. Total IgE levels with inhalants plus peanut provided the optimal combination of SE, SP, PPV, and NPV. In vitro testing may be important to identify and prevent anaphylaxis to foods in adults.
Asli Sahin-Yilmaz; Cheryl C Nocon; Jacquelynne P Corey
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery     Volume:  143     ISSN:  1097-6817     ISO Abbreviation:  Otolaryngol Head Neck Surg     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-08-20     Completed Date:  2010-09-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8508176     Medline TA:  Otolaryngol Head Neck Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  379-85     Citation Subset:  IM    
Copyright Information:
Copyright 2010 American Academy of Otolaryngology-Head and Neck Surgery Foundation. Published by Mosby, Inc. All rights reserved.
Section of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of Chicago, Chicago, IL, USA.
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MeSH Terms
Aged, 80 and over
Cross-Sectional Studies
Immunoglobulin E / blood*
Middle Aged
Milk Hypersensitivity / epidemiology*
Peanut Hypersensitivity / epidemiology*
Predictive Value of Tests
Retrospective Studies
Rhinitis, Allergic, Perennial / blood,  complications*,  immunology
Rhinitis, Allergic, Seasonal / blood,  complications*,  immunology
Shellfish / adverse effects
Young Adult
Reg. No./Substance:
37341-29-0/Immunoglobulin E

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