Staphylococcal Septicemia in Children with Atopic Dermatitis

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Abstract
Atopic dermatitis (AD) is frequently complicated by minor bacterial superinfections. Invasive infections such as osteomyelitis have rarely been reported. We describe two children with staphylococcal septicemia during an exacerbation of their AD. Cellulitis and underlying congenital heart disease, respectively, were considered predisposing factors for the development of bacteremia. Identical strains were isolated from the skin, and there was a significant increase in antibodies against Staphylococcus aureus capsular polysaccharide in one child. Our cases demonstrate the potential severity of bacterial skin infections in AD, especially when associated with an underlying condition that increases vulnerability to bacteremia. While their true incidence in children with AD is currently unknown, it is conceivable that systemic staphylococcal infections may be more common than previously thought. Staphylococcal bacteremia has to be considered in the differential diagnosis of fever in children with severe AD. Conversely, episodes of staphylococcal bacteremia should prompt a search for underlying predisposing factors.