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  • Title: Community-acquired methicillin-resistant Staphylococcus aureus in children and adolescents: changing trends.
    Author: Johnigan RH, Pereira KD, Poole MD.
    Journal: Arch Otolaryngol Head Neck Surg; 2003 Oct; 129(10):1049-52. PubMed ID: 14568785.
    Abstract:
    OBJECTIVE: To identify current trends in antibiotic sensitivity patterns of community-acquired methicillin-resistant Staphylococcus aureus (CA MRSA) infections of the head and neck in children and adolescents and evaluate outcomes after therapy. DESIGN: Retrospective review of cases consisting of a medical record review with telephone follow-up. SETTING: Two tertiary university medical referral centers. PATIENTS: Pediatric patients (age <18 years). MAIN OUTCOME MEASURES: Number of cases, sensitivities of cultured organisms, treatments used, and outcome of treatments. RESULTS: Seven patients were identified with CA MRSA in a 4-month period. Superficial abscesses (3 patients [43%]) and suppurative lymphadenitis (3 patients [43%]) were the most common causes. An erythromycin-resistant, clindamycin-sensitive pattern was observed in 6 (86%) of the 7 isolates. All infections resolved with prescribed treatments; there were no complications. CONCLUSIONS: A high prevalence of erythromycin-resistant, clindamycin-sensitive CA MRSA was noted. This new resistance pattern is indicative of inducible macrolide-lincomycin-streptogramin-B resistance. Basic science data suggest that these strains of bacteria could develop resistance to clindamycin during therapy despite appearing susceptible on initial laboratory testing. In our small series, clindamycin was used alone and effectively in 2 such cases. This appears to support its continued use as initial, empiric therapy in suspected cases of CA MRSA.
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