Abstract:
BACKGROUND:Bullous impetigo (BI) is a common skin infection of early childhood, resulting from desmoglein-1 cleavage by Staphylococcus aureus exfoliative toxins. Due to compromised barrier function and immune dysregulation, children with atopic dermatitis (AD) are at increased risk of cutaneous infections, yet no literature has been published on disseminated bullous impetigo (DBI) in children with atopic dermatitis (AD). We sought to explore the atopic phenotypes, antibiotic sensitivities, and treatment courses of children diagnosed with disseminated bullous impetigo at our institution. METHODS:We conducted a retrospective case series of 12 children diagnosed with disseminated bullous impetigo at Johns Hopkins from 12/2016 to 5/2017. RESULTS:Eleven children (92%) had severe AD. All children were initially misdiagnosed; the majority (67%) were misdiagnosed with AD flares, and other misdiagnoses included scabies, eczema herpeticum, ecthyma, varicella, and eczema coxsackium. All cultures were positive for methicillin-sensitive Staphylococcus aureus (MSSA). Three children (25%) had clindamycin-resistant strains of MSSA, and only one child was positive for both MSSA and methicillin-resistant S aureus. All children were treated with systemic antibiotics and experienced resolution of symptoms within 24-48 hours. CONCLUSIONS:This case series is the first of its kind exploring children with DBI with the atopic diathesis. Our results indicate that DBI is often misdiagnosed, and increased training is likely needed for pediatricians, emergency room physicians, and dermatologists. Earlier diagnosis of bullous impetigo may prevent dissemination and spare a patient treatment with systemic antibiotics. Given the high rate of clindamycin resistance observed in this series, we recommend cephalosporins to treat uncomplicated cases of DBI.
journal_name
Pediatr Dermatoljournal_title
Pediatric dermatologyauthors
Mannschreck D,Feig J,Selph J,Cohen Bdoi
10.1111/pde.14032subject
Has Abstractpub_date
2020-01-01 00:00:00pages
103-108issue
1eissn
0736-8046issn
1525-1470journal_volume
37pub_type
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