Successful Treatment of High-Level Aminoglycoside-Resistant Enterococcus faecalis Bacteremia in a Preterm Infant with Ampicillin and Cefotaxime

Enterococcal bloodstream infections are usually treated with single-agent antibiotics. In persistent infections, synergistic combination therapy is often required with a beta-lactam and an aminoglycoside antibiotic. High-level aminoglycoside-resistant (HLAR) enterococci are increasingly prevalent an...

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Main Authors: Jennifer Tam, Santina J. Lee, Vibhuti Shah, Shaun K. Morris
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Case Reports in Infectious Diseases
Online Access:http://dx.doi.org/10.1155/2018/7567914
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author Jennifer Tam
Santina J. Lee
Vibhuti Shah
Shaun K. Morris
author_facet Jennifer Tam
Santina J. Lee
Vibhuti Shah
Shaun K. Morris
author_sort Jennifer Tam
collection DOAJ
description Enterococcal bloodstream infections are usually treated with single-agent antibiotics. In persistent infections, synergistic combination therapy is often required with a beta-lactam and an aminoglycoside antibiotic. High-level aminoglycoside-resistant (HLAR) enterococci are increasingly prevalent and preclude the use of this combination. The use of ampicillin with a third-generation cephalosporin to treat endovascular HLAR Enterococcus infections is becoming more established in the adult population; however, the literature on treatment of such infections in children remains scarce. We report a preterm neonate with persistent HLAR Enterococcus faecalis bacteremia from day of life 9 to 17 despite treatment with ampicillin and vancomycin. On day of life 17, antibiotic treatment was switched to ampicillin and cefotaxime, with subsequent clearance of blood cultures on day of life 20. To our knowledge, this is the first report illustrating the use of ampicillin and cefotaxime for an HLAR E. faecalis infection in a neonate.
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spelling doaj-art-6e0429e8a8c84bc88fec7f65ac7619022025-02-03T06:42:25ZengWileyCase Reports in Infectious Diseases2090-66252090-66332018-01-01201810.1155/2018/75679147567914Successful Treatment of High-Level Aminoglycoside-Resistant Enterococcus faecalis Bacteremia in a Preterm Infant with Ampicillin and CefotaximeJennifer Tam0Santina J. Lee1Vibhuti Shah2Shaun K. Morris3Division of Infectious Diseases, The Hospital for Sick Children, 555 University Ave., Toronto, ON, CanadaDepartment of Pediatrics and Child Health, University of Manitoba, 840 Sherbrook St., Winnipeg, MB, CanadaDepartment of Paediatrics, Mount Sinai Hospital, 600 University Ave., Toronto, ON, CanadaDivision of Infectious Diseases, The Hospital for Sick Children, 555 University Ave., Toronto, ON, CanadaEnterococcal bloodstream infections are usually treated with single-agent antibiotics. In persistent infections, synergistic combination therapy is often required with a beta-lactam and an aminoglycoside antibiotic. High-level aminoglycoside-resistant (HLAR) enterococci are increasingly prevalent and preclude the use of this combination. The use of ampicillin with a third-generation cephalosporin to treat endovascular HLAR Enterococcus infections is becoming more established in the adult population; however, the literature on treatment of such infections in children remains scarce. We report a preterm neonate with persistent HLAR Enterococcus faecalis bacteremia from day of life 9 to 17 despite treatment with ampicillin and vancomycin. On day of life 17, antibiotic treatment was switched to ampicillin and cefotaxime, with subsequent clearance of blood cultures on day of life 20. To our knowledge, this is the first report illustrating the use of ampicillin and cefotaxime for an HLAR E. faecalis infection in a neonate.http://dx.doi.org/10.1155/2018/7567914
spellingShingle Jennifer Tam
Santina J. Lee
Vibhuti Shah
Shaun K. Morris
Successful Treatment of High-Level Aminoglycoside-Resistant Enterococcus faecalis Bacteremia in a Preterm Infant with Ampicillin and Cefotaxime
Case Reports in Infectious Diseases
title Successful Treatment of High-Level Aminoglycoside-Resistant Enterococcus faecalis Bacteremia in a Preterm Infant with Ampicillin and Cefotaxime
title_full Successful Treatment of High-Level Aminoglycoside-Resistant Enterococcus faecalis Bacteremia in a Preterm Infant with Ampicillin and Cefotaxime
title_fullStr Successful Treatment of High-Level Aminoglycoside-Resistant Enterococcus faecalis Bacteremia in a Preterm Infant with Ampicillin and Cefotaxime
title_full_unstemmed Successful Treatment of High-Level Aminoglycoside-Resistant Enterococcus faecalis Bacteremia in a Preterm Infant with Ampicillin and Cefotaxime
title_short Successful Treatment of High-Level Aminoglycoside-Resistant Enterococcus faecalis Bacteremia in a Preterm Infant with Ampicillin and Cefotaxime
title_sort successful treatment of high level aminoglycoside resistant enterococcus faecalis bacteremia in a preterm infant with ampicillin and cefotaxime
url http://dx.doi.org/10.1155/2018/7567914
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