Antimicrobial Susceptibility and Cross-Resistance Patterns among Common Complicated Urinary Tract Infections in U.S. Hospitals, 2013 to 2018
Copyright © 2020 American Society for Microbiology..
In the face of increasing rates of antimicrobial resistance in complicated urinary tract infections (cUTIs), clinicians need to understand cross-resistance patterns among commonly encountered pathogens. We performed a multicenter, retrospective cohort study in the Premier database of approximately 180 hospitals, from 2013 to 2018. Using an ICD-9/10-based algorithm, we identified all adult patients hospitalized with cUTIs and included those with a positive blood or urine culture. We examined the microbiology and susceptibilities to common cUTI antimicrobials (3rd-generation cephalosporin [C3], fluoroquinolones [FQ], trimethoprim-sulfamethoxazole [TMP/SMZ], fosfomycin [FFM], and nitrofurantoin [NFT]) singly and in groups of two. Among 28,057 organisms from 23,331 patients, the 3 most common pathogens were Escherichia coli (41.0%; C3r, 15.1%), Klebsiella pneumoniae (12.1%; C3r, 13.2%), and Pseudomonas aeruginosa (11.0%; C3r, 12.0%). E. coli was most frequently resistant to FQ (43.5%) and least to NFT (6.7%). K. pneumoniae was most frequently resistant to NFT (60.8%) and least to FFM (0.1%). P. aeruginosa was most frequently resistant to FQ (34.4%) and least to TMP/SMZ (4.2%). Of the C3rE. coli isolates, 87.1% were also FQr, 63.7% were TMP/SMZr, and 13.3% were NFTr C3rK. pneumoniae isolates had a 76.5% chance of being FQr, 78.1% were TMP/SMZr, and 77.6% were NFTr C3rP. aeruginosa coexisted with FQr in 47.3%, TMP/SMZr in 18.9%, and NFTr in 28.7%. Among the most common pathogens isolated from hospitalized patients with cUTIs, the rates of single resistance to common treatments and of cross-resistance to these regimens are substantial. Knowing the patterns of cross-resistance may help clinicians tailor empirical therapy more precisely.
Errataetall: |
CommentIn: Antimicrob Agents Chemother. 2020 Dec 16;65(1):. - PMID 33139272 |
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Medienart: |
E-Artikel |
Erscheinungsjahr: |
2020 |
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Erschienen: |
2020 |
Enthalten in: |
Zur Gesamtaufnahme - volume:64 |
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Enthalten in: |
Antimicrobial agents and chemotherapy - 64(2020), 8 vom: 22. Juli |
Sprache: |
Englisch |
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Beteiligte Personen: |
Zilberberg, Marya D [VerfasserIn] |
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Links: |
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Themen: |
Anti-Bacterial Agents |
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Anmerkungen: |
Date Completed 17.06.2021 Date Revised 17.06.2021 published: Electronic-Print CommentIn: Antimicrob Agents Chemother. 2020 Dec 16;65(1):. - PMID 33139272 Citation Status MEDLINE |
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doi: |
10.1128/AAC.00346-20 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
NLM310065496 |
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520 | |a Copyright © 2020 American Society for Microbiology. | ||
520 | |a In the face of increasing rates of antimicrobial resistance in complicated urinary tract infections (cUTIs), clinicians need to understand cross-resistance patterns among commonly encountered pathogens. We performed a multicenter, retrospective cohort study in the Premier database of approximately 180 hospitals, from 2013 to 2018. Using an ICD-9/10-based algorithm, we identified all adult patients hospitalized with cUTIs and included those with a positive blood or urine culture. We examined the microbiology and susceptibilities to common cUTI antimicrobials (3rd-generation cephalosporin [C3], fluoroquinolones [FQ], trimethoprim-sulfamethoxazole [TMP/SMZ], fosfomycin [FFM], and nitrofurantoin [NFT]) singly and in groups of two. Among 28,057 organisms from 23,331 patients, the 3 most common pathogens were Escherichia coli (41.0%; C3r, 15.1%), Klebsiella pneumoniae (12.1%; C3r, 13.2%), and Pseudomonas aeruginosa (11.0%; C3r, 12.0%). E. coli was most frequently resistant to FQ (43.5%) and least to NFT (6.7%). K. pneumoniae was most frequently resistant to NFT (60.8%) and least to FFM (0.1%). P. aeruginosa was most frequently resistant to FQ (34.4%) and least to TMP/SMZ (4.2%). Of the C3rE. coli isolates, 87.1% were also FQr, 63.7% were TMP/SMZr, and 13.3% were NFTr C3rK. pneumoniae isolates had a 76.5% chance of being FQr, 78.1% were TMP/SMZr, and 77.6% were NFTr C3rP. aeruginosa coexisted with FQr in 47.3%, TMP/SMZr in 18.9%, and NFTr in 28.7%. Among the most common pathogens isolated from hospitalized patients with cUTIs, the rates of single resistance to common treatments and of cross-resistance to these regimens are substantial. Knowing the patterns of cross-resistance may help clinicians tailor empirical therapy more precisely | ||
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