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Prospective monitoring of carbapenem use and pseudomonal resistance across pediatric institutions

Published online by Cambridge University Press:  02 June 2020

Isao Miyairi*
Affiliation:
Division of Infectious Diseases, National Center for Child Health and DevelopmentTokyo, Japan
Kensuke Shoji
Affiliation:
Division of Infectious Diseases, National Center for Child Health and DevelopmentTokyo, Japan
Noriko Kinoshita
Affiliation:
Division of Infectious Diseases, National Center for Child Health and DevelopmentTokyo, Japan
Junpei Saitoh
Affiliation:
Department of Pharmacy, National Center for Child Health and DevelopmentTokyo, Japan
Yoshie Sugahara
Affiliation:
Department of Nursing, National Center for Child Health and Development, Tokyo, Japan
Yasushi Watanabe
Affiliation:
Department of Clinical Laboratory, National Center for Child Health and Development, Tokyo, Japan
Makoto Komura
Affiliation:
Department of Pharmacy, National Center for Child Health and DevelopmentTokyo, Japan
Masashi Kasai
Affiliation:
Division of Infectious Diseases, Department of Pediatrics, Hyogo Prefectural Kobe Children Hospital, Kobe, Japan
Yuho Horikoshi
Affiliation:
Department of Infectious Diseases and Immunology, Tokyo Metropolitan Children’s Medical Center, Tokyo, Japan
Masayoshi Shinjoh
Affiliation:
Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan
Takashi Igarashi
Affiliation:
National Center for Child Health and Development, Tokyo, Japan
*
Author for correspondence: Isao Miyairi, E-mail: [email protected]

Abstract

Objective:

To determine whether carbapenem consumption and Pseudomonas aeruginosa resistance rates can be used as benchmarks to compare and improve antimicrobial stewardship programs across multiple pediatric hospitals.

Design:

A prospective study.

Setting and participants:

Healthcare institutions in Japan with >100 pediatric beds.

Methods:

An annual survey of the total days of therapy (DOT) per 1,000 patient days for carbapenem antibiotics (meropenem, imipenem-cilastatin, panipenem-betamipron, doripenem) and susceptibility rates of Pseudomonas aeruginosa to meropenem and imipenem-cilastatin from each institution was conducted over a 7-year period. Data were reported to the administration, as well as to the infection control team, of each institution annually.

Results:

Data were obtained from 32 facilities. The median total carbapenem DOT per 1,000 patient days was 16.6 and varied widely, with a range of 2.7 to 59.0. The median susceptibility to meropenem was 86.6%, ranging from 78.6% to 96.6%. We detected an inverse correlation between total carbapenem DOT versus susceptibility (r = – 0.36; P < .01). Over the 7-year period, the DOT per 1,000 patient days of carbapenem decreased by 27% from a median of 16.0 to 11.7 (P < .01). We also observed an improvement in susceptibility to meropenem from a median of 87% to 89.7% (P = .01) and to imipenem-cilastatin from 79% to 85% (P < .01). The decreases in the use of carbapenem were greater in institutions with antimicrobial stewardship programs led by pediatric infectious disease specialists.

Conclusions:

Antimicrobial use and resistance, targeting carbapenems and P. aeruginosa, respectively, can serve as benchmarks that can be utilized to promote antimicrobial stewardship across pediatric healthcare institutions.

Type
Original Article
Copyright
© 2020 by The Society for Healthcare Epidemiology of America. All rights reserved.

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