High Prevalence of Mupirocin Resistance in Staphylococcus aureus Isolates from a Pediatric Population

被引:88
作者
Antonoy, Nina K. [1 ]
Garzon, Maria C. [2 ,3 ]
Morel, Kimberly D. [2 ,3 ]
Whittier, Susan [4 ]
Planet, Paul J. [3 ,5 ]
Lauren, Christine T. [2 ,3 ]
机构
[1] Columbia Univ, Coll Phys & Surg, New York, NY USA
[2] Columbia Univ, Med Ctr, Dept Dermatol, New York, NY USA
[3] Columbia Univ, Med Ctr, Dept Pediat, New York, NY 10032 USA
[4] Columbia Univ, Med Ctr, Dept Clin Microbiol, New York, NY USA
[5] Amer Museum Nat Hist, Inst Comparat Genom, New York, NY 10024 USA
关键词
SOFT-TISSUE INFECTIONS; ATOPIC-DERMATITIS; MOLECULAR CHARACTERIZATION; EPIDERMOLYSIS-BULLOSA; METHICILLIN; CHILDREN; SKIN; COMMUNITY; SUSCEPTIBILITY; CHLORHEXIDINE;
D O I
10.1128/AAC.00079-15
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Topical mupirocin is used widely to treat skin and soft tissue infections and to eradicate nasal carriage of methicillin-resistant Staphylococcus aureus (MRSA). Few studies to date have characterized the rates of S. aureus mupirocin resistance in pediatric populations. We retrospectively studied 358 unique S. aureus isolates obtained from 249 children seen in a predominantly outpatient setting by the Division of Pediatric Dermatology at a major academic center in New York City between 1 May 2012 and 17 September 2013. Mupirocin resistance rates and the associated risk factors were determined using a logistic regression analysis. In our patient population, 19.3% of patients had mupirocin-resistant S. aureus isolates at the time of their first culture, and 22.1% of patients with S. aureus infection had a mupirocin-resistant isolate at some time during the study period. Overall, 31.3% of all S. aureus isolates collected during the study period were resistant to mupirocin. Prior mupirocin use was strongly correlated (odds ratio [OR] = 26.5; P = < 0.001) with mupirocin resistance. Additional risk factors for mupirocin resistance included methicillin resistance, atopic dermatitis (AD), epidermolysis bullosa (EB), immunosuppression, and residence in northern Manhattan and the Bronx. Resistance to mupirocin is widespread in children with dermatologic complaints in the New York City area, and given the strong association with mupirocin exposure, it is likely that mupirocin use contributes to the increased resistance. Routine mupirocin testing may be important for MRSA decolonization strategies or the treatment of minor skin infections in children.
引用
收藏
页码:3350 / 3356
页数:7
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