Abstract
Background: Household animal dander has been implicated as aeroallergen in childhood atopic diseases. Many parents seek healthcare advice if household pet keeping may be detrimental in atopic eczema (AE), allergic rhinitis and asthma.
Aim: We investigated if skin sensitization by cat/dog dander was associated with disease severity and quality of life in children with AE.
Methods: Demographics, skin prick test (SPT) results, disease severity (Nottingham eczema severity score NESS), Children Dermatology Life Quality Index (CDLQI), blood IgE and eosinophil counts of a cohort of AE patients were reviewed.
Results: 325 AE patients followed at a pediatric dermatology clinic were evaluated. Personal history of asthma was lowest (20%) in the dog-dander-positive-group but highest (61%) in bothcat- and-dog-dander-positive group (p=0.007). Binomial logistic regression ascertained that catdander sensitization was associated with increasing age (adjusted odds ratio [aOR], 1.056; 95% Confidence Interval [CI], 1.006 to 1.109; p=0.029), dust-mite sensitization (aOR, 4.625; 95% CI, 1.444 to 14.815; p=0.010), food-allergen sensitization (aOR, 2.330; 95% CI, 1.259 to 4.310; p=0.007) and keeping-cat-ever (aOR, 7.325; 95% CI, 1.193 to 44.971; p=0.032); whereas dogdander sensitization was associated with dust-mite sensitization (aOR, 9.091; 95% CI, 1.148 to 71.980; p=0.037), food-allergen sensitization (aOR, 3.568; 95% CI, 1.341 to 9.492; p=0.011) and keeping-dog-ever (aOR, 6.809; 95% CI, 2.179 to 21.281; p=0.001). However, neither cat nor dog sensitization were associated with asthma, allergic rhinitis, parental or sibling atopic status, disease severity or quality of life.
Conclusion: Physicians should advise parents that there is no direct correlation between AE severity, quality of life, asthma or allergic rhinitis with cutaneous sensitization to cats or dogs. Sensitized patients especially those with concomitant asthma and severe symptoms may consider non-furry alternatives if they plan to have a pet. Highly sensitized individuals, especially those with asthma co-morbidity, may have to remove their pet for a trial period to determine if symptoms improve.
Keywords: Atopic dermatitis, children, atopic eczema, food avoidance, NESS, quality of life, CDLQI, pet, cat, dog.
Graphical Abstract
Current Pediatric Reviews
Title:Relevance of Cat and Dog Sensitization by Skin Prick Testing in Childhood Eczema and Asthma
Volume: 13 Issue: 2
Author(s): Kam Lun Hon*, Kathy Yin Ching Tsang, Nga Hin Henry Pong and Ting Fan Leung
Affiliation:
- The Chinese University of Hong Kong, 6/F, Clinical Sciences Building, Prince of Wales Hospital, Shatin, Hong Kong SAR,China
Keywords: Atopic dermatitis, children, atopic eczema, food avoidance, NESS, quality of life, CDLQI, pet, cat, dog.
Abstract: Background: Household animal dander has been implicated as aeroallergen in childhood atopic diseases. Many parents seek healthcare advice if household pet keeping may be detrimental in atopic eczema (AE), allergic rhinitis and asthma.
Aim: We investigated if skin sensitization by cat/dog dander was associated with disease severity and quality of life in children with AE.
Methods: Demographics, skin prick test (SPT) results, disease severity (Nottingham eczema severity score NESS), Children Dermatology Life Quality Index (CDLQI), blood IgE and eosinophil counts of a cohort of AE patients were reviewed.
Results: 325 AE patients followed at a pediatric dermatology clinic were evaluated. Personal history of asthma was lowest (20%) in the dog-dander-positive-group but highest (61%) in bothcat- and-dog-dander-positive group (p=0.007). Binomial logistic regression ascertained that catdander sensitization was associated with increasing age (adjusted odds ratio [aOR], 1.056; 95% Confidence Interval [CI], 1.006 to 1.109; p=0.029), dust-mite sensitization (aOR, 4.625; 95% CI, 1.444 to 14.815; p=0.010), food-allergen sensitization (aOR, 2.330; 95% CI, 1.259 to 4.310; p=0.007) and keeping-cat-ever (aOR, 7.325; 95% CI, 1.193 to 44.971; p=0.032); whereas dogdander sensitization was associated with dust-mite sensitization (aOR, 9.091; 95% CI, 1.148 to 71.980; p=0.037), food-allergen sensitization (aOR, 3.568; 95% CI, 1.341 to 9.492; p=0.011) and keeping-dog-ever (aOR, 6.809; 95% CI, 2.179 to 21.281; p=0.001). However, neither cat nor dog sensitization were associated with asthma, allergic rhinitis, parental or sibling atopic status, disease severity or quality of life.
Conclusion: Physicians should advise parents that there is no direct correlation between AE severity, quality of life, asthma or allergic rhinitis with cutaneous sensitization to cats or dogs. Sensitized patients especially those with concomitant asthma and severe symptoms may consider non-furry alternatives if they plan to have a pet. Highly sensitized individuals, especially those with asthma co-morbidity, may have to remove their pet for a trial period to determine if symptoms improve.
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Cite this article as:
Hon Lun Kam *, Tsang Yin Ching Kathy , Pong Hin Henry Nga and Leung Fan Ting, Relevance of Cat and Dog Sensitization by Skin Prick Testing in Childhood Eczema and Asthma, Current Pediatric Reviews 2017; 13 (2) . https://dx.doi.org/10.2174/1573396313666170615085018
DOI https://dx.doi.org/10.2174/1573396313666170615085018 |
Print ISSN 1573-3963 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6336 |
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