The clinical management and outcome of nail salon-acquired Mycobacterium fortuitum skin infection.
ABSTRACT Nontuberculous mycobacterial infections are becoming more common. Recently, Mycobacterium fortuitum and other rapidly growing mycobacteria have been found to cause severe skin and soft-tissue infections in association with nail salon whirlpool footbaths. We recently investigated a large outbreak of M. fortuitum furunculosis among women who received pedicures at a single nail salon. To better define the clinical course of such infections, we collected clinical details from physicians who were treating outbreak patients. We constructed multivariable linear models to evaluate the effect of antibiotic treatment on disease duration. Sixty-one patients were included in the investigation. The mean disease duration was 170 days (range, 41-336 days). Forty-eight persons received antibiotic therapy for a median period of 4 months (range, 1-6 months), and 13 persons were untreated. Isolates were most susceptible to ciprofloxacin and minocycline. Early administration of therapy was associated with shorter duration of disease only in persons with multiple boils (P<.01). One untreated, healthy patient had lymphatic disease dissemination.
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ABSTRACT: Non-tuberculous mycobacteria are rarely responsible for skin and soft tissue infections. These infections are caused by different mycobacterial species originating from the environment (water, soil, plants, and animals). Various factors influence the clinical manifestation of the cutaneous infection: the immunological situation of the patient, the degree of cutaneous impairment, and the extent of the contact with the contaminated environment. The clinical manifestation is non-specific and often the cause of extensive diagnostic activities. The diagnosis is based on the cultural detection of the causative pathogen. The management of these skin and subcutaneous infections is a challenge for each physician. The treatment comprises administration of several antibiotics and antituberculosis drugs for many months. Surgical procedures are necessary in some patients.Wiener Medizinische Wochenschrift 01/2011; 161((17-18)):426-432.