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Primary hyperhidrosis increases the risk of cutaneous infection: A case-control study of 387 patients - 07/08/11

Doi : 10.1016/j.jaad.2009.02.038 
Hobart W. Walling, MD, PhD
Department of Dermatology, University of Iowa, Iowa City, Iowa 

Correspondence to: Hobart W. Walling, MD, PhD, Town Square Dermatology, 1100 Sixth St, Suite 202, Coralville, IA 52246.

Abstract

Background

Although primary hyperhidrosis (PHH) has been frequently associated with diminished quality of life, the medical consequences of the condition are less well studied.

Objective

The objective was to study the clinical presentation of PHH and to determine its relationship to cutaneous infection.

Methods

A retrospective case-control study of patients encountered between 1993 and 2005 with the International Classification of Diseases, Ninth Revision diagnosis code for hyperhidrosis (HH) and meeting criteria for PHH was conducted.

Results

Of 387 patients with PHH included, 59% were female and 41% were male; mean age was 27.3 years (range 2-72). Sites of HH included soles (50.1%), palms (45.2%), and axillae (43.4%). Distributional patterns of HH were isolated axillary (27.6%), palmoplantar (24.3%), isolated plantar (15%), axillary/palmoplantar (5.7%), isolated palmar (5.7%), and craniofacial (5.2%). Axillary HH was more common in female patients (P = .004). The mean age of onset (18.6 ± 12.3 years) indicated a mean duration of untreated symptoms of 8.9 years. Age at onset for palmoplantar HH (11.5 ± 8 years) was significantly younger than for axillary HH (20.0 ± 8.3 years; P < .0001), whereas onset of craniofacial HH (25.4 ± 13.7 years) was older (P < .001). Exacerbating factors included stress/emotion/anxiety (56.7%) and heat/humidity (22%). The overall risk of any cutaneous infection was significantly (P < .0001) increased in HH compared with controls (odds ratio [OR] 3.2; 95% confidence interval [CI] 2.2-4.6). Site-specific risks of fungal infection (OR 5.0; 95% CI 2.6-9.8; P < .0001), bacterial infection (OR 2.6; 95% CI 1.2-5.7; P = .017), and viral infection (OR 1.9; 95% CI 1.2-3.0; P = .011) were all increased. Risks of pitted keratolysis (OR 15.4; 95% CI 2.0-117; P = .0003), dermatophytosis (OR 9.8; 95% CI 3.4-27.8; P < .0001), and verruca plantaris/vulgaris (OR 2.1; 95% CI 1.3-3.6; P = .0077) were particularly increased. Association with atopic/eczematous dermatitis (OR 2.9; 95% CI 1.5-55; P = .019) was observed.

Limitations

Retrospective design and single-institution study are limitations.

Conclusions

Patients with HH are at high risk of secondary infection. Management of HH may have a secondary benefit of decreasing this risk.

Le texte complet de cet article est disponible en PDF.

Key words : corynebacteria, eccrine pathology, hyperhidrosis, superficial mycosis, sweating, verruca, wart

Abbreviations used : CI, HH, OR, PHH


Plan


 Funding sources: None.
 Conflicts of interest: None declared.
 Reprints not available from the author.


© 2009  American Academy of Dermatology, Inc.. Publié par Elsevier Masson SAS. Tous droits réservés.
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Vol 61 - N° 2

P. 242-246 - août 2009 Retour au numéro
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