Methicillin-Resistant Staphylococcus aureus Infections in Human Immunodeficiency Virus-Infected Children and Adolescents

Background. Methicillin-resistant Staphylococcus aureus (MRSA) infection incidence has increased in healthy US children. Our objective was to evaluate MRSA incidence and correlates in HIV-infected youth. Methods. The CDC-sponsored LEGACY study is a US multicenter chart abstraction study of HIV-infec...

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Main Authors: George K. Siberry, Toni Frederick, Patricia Emmanuel, Mary E. Paul, Beverly Bohannon, Travis Wheeling, Theresa Barton, Mobeen H. Rathore, Kenneth L. Dominguez
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:AIDS Research and Treatment
Online Access:http://dx.doi.org/10.1155/2012/627974
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author George K. Siberry
Toni Frederick
Patricia Emmanuel
Mary E. Paul
Beverly Bohannon
Travis Wheeling
Theresa Barton
Mobeen H. Rathore
Kenneth L. Dominguez
author_facet George K. Siberry
Toni Frederick
Patricia Emmanuel
Mary E. Paul
Beverly Bohannon
Travis Wheeling
Theresa Barton
Mobeen H. Rathore
Kenneth L. Dominguez
author_sort George K. Siberry
collection DOAJ
description Background. Methicillin-resistant Staphylococcus aureus (MRSA) infection incidence has increased in healthy US children. Our objective was to evaluate MRSA incidence and correlates in HIV-infected youth. Methods. The CDC-sponsored LEGACY study is a US multicenter chart abstraction study of HIV-infected youth. We identified MRSA infections among participants with ≥1 visit during 2006. We used bivariate and multivariable analyses to compare sociodemographic and HIV clinical factors between MRSA cases and noncases. Results. Fourteen MRSA infections (1 invasive, 12 soft tissue, 1 indeterminate) occurred among 1,813 subjects (11.1 infections/1,000 patient-years (PY), 95% CI: 11.06–11.14). Most (86%) isolates were clindamycin susceptible. Compared with noncases, MRSA cases were more likely older (17 versus 14 years), black (100% versus 69%), behaviorally HIV infected (43% versus 17%), and in Maryland (43% versus 7%) and had viral loads (VL) >1000 copies/mL (86% versus 51%) and lower mean CD4% (18% versus 27%) (all P<0.05). In multivariate analysis, independent risk factors were Maryland care site (adjusted odds ratio (aOR) = 9.0), VL >1000 copies/mL (aOR = 5.9), and black race (aOR undefined). Conclusions. MRSA occurred at a rate of 11.1 infections/1,000 PY in HIV-infected youth but invasive disease was uncommon. Geographic location, black race, and increased VL, but not immunosuppression, were independently associated with MRSA risk.
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spelling doaj-art-33fc823da8584ead945ebbe6a83e65192025-02-03T01:01:04ZengWileyAIDS Research and Treatment2090-12402090-12592012-01-01201210.1155/2012/627974627974Methicillin-Resistant Staphylococcus aureus Infections in Human Immunodeficiency Virus-Infected Children and AdolescentsGeorge K. Siberry0Toni Frederick1Patricia Emmanuel2Mary E. Paul3Beverly Bohannon4Travis Wheeling5Theresa Barton6Mobeen H. Rathore7Kenneth L. Dominguez8Pediatric, Adolescent & Maternal AIDS (PAMA) Branch, Eunice Kennedy Shriver National Institute of Child Health & Human Development, National Institutes of Health, Bethesda, MD 20892-7510, USAMaternal, Child, Adolescent/Adult Center for Infectious Diseases and Virology, University of Southern California, Los Angeles, CA 90033, USADepartment of Pediatrics, University of South Florida College of Medicine, Tampa, FL 33606, USADepartment of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USADivision of HIV/AIDS Prevention, Centers for Disease Control and Prevention, Atlanta, GA 30333, USANorthrop Grumman Inc., Atlanta, GA 30345, USADepartment of Pediatric Infectious Diseases, University of Texas Southwestern Medical Center, Dallas, TX 75390, USADepartment of Pediatric Infectious Diseases and Immunology, University of Florida and Wolfson Children’s Hospital, and University of Florida Center for HIV/AIDS Research, Education and Service (UF CARES), Jacksonville, FL 32209, USADivision of HIV/AIDS Prevention, Centers for Disease Control and Prevention, Atlanta, GA 30333, USABackground. Methicillin-resistant Staphylococcus aureus (MRSA) infection incidence has increased in healthy US children. Our objective was to evaluate MRSA incidence and correlates in HIV-infected youth. Methods. The CDC-sponsored LEGACY study is a US multicenter chart abstraction study of HIV-infected youth. We identified MRSA infections among participants with ≥1 visit during 2006. We used bivariate and multivariable analyses to compare sociodemographic and HIV clinical factors between MRSA cases and noncases. Results. Fourteen MRSA infections (1 invasive, 12 soft tissue, 1 indeterminate) occurred among 1,813 subjects (11.1 infections/1,000 patient-years (PY), 95% CI: 11.06–11.14). Most (86%) isolates were clindamycin susceptible. Compared with noncases, MRSA cases were more likely older (17 versus 14 years), black (100% versus 69%), behaviorally HIV infected (43% versus 17%), and in Maryland (43% versus 7%) and had viral loads (VL) >1000 copies/mL (86% versus 51%) and lower mean CD4% (18% versus 27%) (all P<0.05). In multivariate analysis, independent risk factors were Maryland care site (adjusted odds ratio (aOR) = 9.0), VL >1000 copies/mL (aOR = 5.9), and black race (aOR undefined). Conclusions. MRSA occurred at a rate of 11.1 infections/1,000 PY in HIV-infected youth but invasive disease was uncommon. Geographic location, black race, and increased VL, but not immunosuppression, were independently associated with MRSA risk.http://dx.doi.org/10.1155/2012/627974
spellingShingle George K. Siberry
Toni Frederick
Patricia Emmanuel
Mary E. Paul
Beverly Bohannon
Travis Wheeling
Theresa Barton
Mobeen H. Rathore
Kenneth L. Dominguez
Methicillin-Resistant Staphylococcus aureus Infections in Human Immunodeficiency Virus-Infected Children and Adolescents
AIDS Research and Treatment
title Methicillin-Resistant Staphylococcus aureus Infections in Human Immunodeficiency Virus-Infected Children and Adolescents
title_full Methicillin-Resistant Staphylococcus aureus Infections in Human Immunodeficiency Virus-Infected Children and Adolescents
title_fullStr Methicillin-Resistant Staphylococcus aureus Infections in Human Immunodeficiency Virus-Infected Children and Adolescents
title_full_unstemmed Methicillin-Resistant Staphylococcus aureus Infections in Human Immunodeficiency Virus-Infected Children and Adolescents
title_short Methicillin-Resistant Staphylococcus aureus Infections in Human Immunodeficiency Virus-Infected Children and Adolescents
title_sort methicillin resistant staphylococcus aureus infections in human immunodeficiency virus infected children and adolescents
url http://dx.doi.org/10.1155/2012/627974
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