Factors associated with combined hand and foot eczema Associations between foot and hand eczema

Abstract

Background

As for hand eczema, the etiology of foot eczema is multifactorial, and not very well understood. The aim of the present study was to identify factors associated with foot eczema in a cohort of hand eczema patients being classified into different subgroups.

Methods

Associations between foot and hand eczema was studied in a cross sectional design in a cohort of hand eczema patients. Consecutive patients were recruited from 9 different European Centres during the period October 2011 – September 2012. Data on demographic factors, presence of foot eczema, hand eczema duration and severity, and whether the hand eczema was work-related or not were available, as well as patch-test results.

Results

Of a total of 427 hand eczema patients identified, information on foot eczema was available in 419 patients who were included in the present study. 125 patients (29.8 %) had concomitant foot and hand eczema. It was found more often in association with hyperkeratotic hand eczema (p=0.007), and was less often associated with irritant hand eczema (p<0.001). However, foot eczema was nevertheless found in 18% of patient with irritant hand eczema and in 25% of patients with occupational hand eczema. Combined foot and hand eczema was associated with more severe and long standing hand eczema (p< 0.001 and p=0.004, respectively). Contact allergy was found in 51.8 % with no difference between patients with combined foot and hand-eczema and patients with hand eczema only.

Conclusion

Occurrence of combined foot and hand eczema is a common finding and not restricted to endogenous hand eczema.

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