Document Detail

Increase in vesicular hand eczema after house dust mite inhalation provocation: a double-blind, placebo-controlled, cross-over study.
MedLine Citation:
PMID:  23046099     Owner:  NLM     Status:  Publisher    
Background. It is unclear whether the respiratory tract is involved in eliciting or aggravating eczematous lesions in patients with vesicular hand eczema. Objectives. To investigate the effect of inhalation of house dust mite (HDM) on vesicular hand eczema. Methods. Eighteen patients with vesicular hand eczema and HDM allergy received inhalation challenges with four concentrations of HDM in a randomized, double-blind, placebo-controlled, cross-over study. Early asthmatic reactions and late asthmatic reactions were defined as a placebo-corrected fall of 15% or more from baseline of forced expiratory volume in 1 second. Hand eczema was scored according to the Dyshidrotic Eczema Area and Severity Index (DASI) at baseline, and 1, 6, 24 and 48 hr. Results. The median DASI increased significantly as compared with baseline at 6 and 48 hr after HDM inhalation. This increase was significantly different between the provocations at 6 hr. The median vesicles score increased significantly from baseline at 24 and 48 hr. Patients with a placebo-corrected increase in the number of vesicles at 24 hr and 48 hr had significantly more often late asthmatic reactions than those without an increase in the number of vesicles. Patients with a placebo-corrected increase of the DASI score at 24 hours had as a group a higher mean total IgE level than those without an increase of the DASI score. Conclusion. Hand eczema increased significantly more after HDM provocation than after placebo provocation. An increase in the number of vesicles was preceded by late asthmatic reactions. The group patients with an increase of hand eczema tended to have a higher mean total IgE level.
Marie Louise A Schuttelaar; Pieter Jan Coenraads; Janneke Huizinga; Jan G De Monchy; Karin M Vermeulen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-10
Journal Detail:
Title:  Contact dermatitis     Volume:  -     ISSN:  1600-0536     ISO Abbreviation:  Contact Derm.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7604950     Medline TA:  Contact Dermatitis     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 John Wiley & Sons A/S.
Department of Dermatology, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands Department of Allergology, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands Department of Epidemiology, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands.
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