Correlates of outcome for atopic dermatitis

Alexandra A. Horwitz, Jobayer Hossain, Ejaz Yousef

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Background: The worldwide incidence and prevalence of atopic dermatitis (AD) are increasing. Few good studies have addressed AD in terms of the factors affecting disease prognosis. Objective: To identify significant correlates of persistent AD because this would be clinically valuable information. Methods: Potential correlates of AD, including race, onset age, age of solid food introduction, breastfeeding, sinopulmonary infections, other atopic diseases, peripheral eosinophilia, total IgE level, and eosinophilic cationic protein levels, were investigated in 177 patients aged 5 to 18 years. Correlates were compared with AD remission vs nonremission status. Results: A total of 133 patients (75.1%) were not in remission at the age of 5 years or older and were, thus, classified as having persistent AD. Patients with histories of peanut allergy (odds ratio [OR], 2.92; 95% confidence interval [CI], 1.30-6.55), egg allergy (OR, 2.71; 95% CI, 1.17-6.30), or dust mite allergy (OR, 4.02; 95% CI, 1.84-8.82) were significantly more likely to have persistent AD than those without these factors. There was a trend toward increased odds of persistence in those with peripheral eosinophilia (P = .06) and decreased odds of persistence in those with frequent sinopulmonary infections (OR, 0.51; 95% CI, 0.25-1.03). Conclusions: Egg, peanut, and dust mite allergies are significant correlates of AD persisting beyond school age. There may also be increased odds in those with peripheral eosinophilia and decreased odds in those with frequent sinopulmonary infections. This highlights the importance of assessing these correlates in patients with AD and modifying the correlates that can be modified. Further studies on whether modification of these correlates and/or early aggressive AD management improves outcome are needed.

Original languageEnglish (US)
Pages (from-to)146-151
Number of pages6
JournalAnnals of Allergy, Asthma and Immunology
Volume103
Issue number2
DOIs
StatePublished - Aug 2009

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Atopic Dermatitis
Eosinophilia
Odds Ratio
Confidence Intervals
Mites
Dust
Hypersensitivity
Egg Hypersensitivity
Infection
Peanut Hypersensitivity
Breast Feeding
Age of Onset
Immunoglobulin E
Ovum
Food
Incidence

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology
  • Pulmonary and Respiratory Medicine

Cite this

Horwitz, Alexandra A. ; Hossain, Jobayer ; Yousef, Ejaz. / Correlates of outcome for atopic dermatitis. In: Annals of Allergy, Asthma and Immunology. 2009 ; Vol. 103, No. 2. pp. 146-151.
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Correlates of outcome for atopic dermatitis. / Horwitz, Alexandra A.; Hossain, Jobayer; Yousef, Ejaz.

In: Annals of Allergy, Asthma and Immunology, Vol. 103, No. 2, 08.2009, p. 146-151.

Research output: Contribution to journalArticle

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AB - Background: The worldwide incidence and prevalence of atopic dermatitis (AD) are increasing. Few good studies have addressed AD in terms of the factors affecting disease prognosis. Objective: To identify significant correlates of persistent AD because this would be clinically valuable information. Methods: Potential correlates of AD, including race, onset age, age of solid food introduction, breastfeeding, sinopulmonary infections, other atopic diseases, peripheral eosinophilia, total IgE level, and eosinophilic cationic protein levels, were investigated in 177 patients aged 5 to 18 years. Correlates were compared with AD remission vs nonremission status. Results: A total of 133 patients (75.1%) were not in remission at the age of 5 years or older and were, thus, classified as having persistent AD. Patients with histories of peanut allergy (odds ratio [OR], 2.92; 95% confidence interval [CI], 1.30-6.55), egg allergy (OR, 2.71; 95% CI, 1.17-6.30), or dust mite allergy (OR, 4.02; 95% CI, 1.84-8.82) were significantly more likely to have persistent AD than those without these factors. There was a trend toward increased odds of persistence in those with peripheral eosinophilia (P = .06) and decreased odds of persistence in those with frequent sinopulmonary infections (OR, 0.51; 95% CI, 0.25-1.03). Conclusions: Egg, peanut, and dust mite allergies are significant correlates of AD persisting beyond school age. There may also be increased odds in those with peripheral eosinophilia and decreased odds in those with frequent sinopulmonary infections. This highlights the importance of assessing these correlates in patients with AD and modifying the correlates that can be modified. Further studies on whether modification of these correlates and/or early aggressive AD management improves outcome are needed.

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