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עמוד בית
Thu, 02.02.23

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July 2014
Boaz Amichai MD, Marcelo H. Grunwald MD, Batya Davidovici MD and Avner Shemer MD

Background: Tinea pedis is a common chronic skin disease; the role of contaminated clothes as a possible source of infection or re-infection has not been fully understood. The ability of ultraviolet light to inactivate microorganisms has long been known and UV is used in many applications.

Objectives: To evaluate the effectivity of sun exposure in reducing fungal contamination in used clothes.

Methods: Fifty-two contaminated socks proven by fungal culture from patients with tinea pedis were studied. The samples were divided into two groups: group A underwent sun exposure for 3 consecutive days, while group B remained indoors. At the end of each day fungal cultures of the samples were performed.

Results: Overall, there was an increase in the percentage of negative cultures with time. The change was significantly higher in socks that were left in the sun (chi-square for linear trend = 37.449, P < 0.0001).

* Louis Brandeis, Associate Justice of the U.S. Supreme Court, 1913

Conclusions: Sun exposure of contaminated clothes was effective in lowering the contamination rate. This finding enhances the current trends of energy saving and environmental protection, which recommend low temperature laundry.

June 2008
A. Shemer, H. Trau, B. Davidovici, B. Amichai and M.H. Grunwald

Background: Fungal infection of the nail affects millions of people worldwide and has an estimated prevalence of more than 10% of the general population.

Objectives To determinate the prevalence of fungal infection in toenails, in order to decide the treatment policy in onychomycosis.   

Methods: We evaluated 331 patients with suspected clinical toenail onychomycosis affecting at least two toenails. Mycological examination of the affected nails was performed, both the KOH test and fungal culture were used. 

Results: Of 331 patients with psoriasis, 78.2% of the patients had at least three infected nails. The first toenail was the most affected. Trichophyton rubrum was by far the most common dermatophyte cultured from all samples.

Conclusions: Most of the patients had at least three affected toenails. Topical treatment is not effective or practical, and systemic treatment should therefore be considered.

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