Mortality associated with carbapenem resistance in Klebsiella pneumoniae bloodstream infection : A propensity score-matched study
OBJECTIVE: Klebsiella pneumoniae are common pathogens causing bloodstream infection (BSI) that increasingly express carbapenem resistance worldwide. To date, no study has precisely investigated the impact of carbapenem resistance in K. pneumoniae (CRKP) BSI on mortality.
METHODS: This retrospective study included 87 patients with CRKP BSI and 321 patients with carbapenem-susceptible K. pneumoniae (CSKP) BSI from 2015 to 2020. Propensity score analyses with stabilized inverse probability of treatment weighting (IPTW-S) was applied to balance covariates. The hazard ratio for 30-day mortality associated with carbapenem resistance was estimated using Cox regression and Kaplan-Meier curves.
RESULTS: The 30-day crude mortality rates were 43.7% in patients with CRKP BSI and 17.8% in patients with CSKP BSI (P < .001). Age ≥55 years, underlying hematological malignancies and hemodialysis were independently associated with mortality in CRKP BSI. A skin or soft-tissue infection source, urinary catheter, and underlying chronic obstructive pulmonary disease were predictors of mortality in CSKP BSI. The group characteristics were well balanced after IPTW-S. The adjusted hazard ratio for 30-day mortality for CRKP BSI was 1.607 (interquartile range, 0.814-3.171).
CONCLUSIONS: Carbapenem resistance was not associated with a significant increase in 30-day mortality in KP BSI; patient and disease factors were primary determinants of outcomes.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
Infection control and hospital epidemiology - (2024) vom: 15. März, Seite 1-8 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Ling [VerfasserIn] |
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| Links: |
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| Themen: |
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| Anmerkungen: |
Date Revised 15.03.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1017/ice.2024.21 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM369775112 |
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| 245 | 1 | 0 | |a Mortality associated with carbapenem resistance in Klebsiella pneumoniae bloodstream infection |b A propensity score-matched study |
| 264 | 1 | |c 2024 | |
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| 500 | |a Date Revised 15.03.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status Publisher | ||
| 520 | |a OBJECTIVE: Klebsiella pneumoniae are common pathogens causing bloodstream infection (BSI) that increasingly express carbapenem resistance worldwide. To date, no study has precisely investigated the impact of carbapenem resistance in K. pneumoniae (CRKP) BSI on mortality | ||
| 520 | |a METHODS: This retrospective study included 87 patients with CRKP BSI and 321 patients with carbapenem-susceptible K. pneumoniae (CSKP) BSI from 2015 to 2020. Propensity score analyses with stabilized inverse probability of treatment weighting (IPTW-S) was applied to balance covariates. The hazard ratio for 30-day mortality associated with carbapenem resistance was estimated using Cox regression and Kaplan-Meier curves | ||
| 520 | |a RESULTS: The 30-day crude mortality rates were 43.7% in patients with CRKP BSI and 17.8% in patients with CSKP BSI (P < .001). Age ≥55 years, underlying hematological malignancies and hemodialysis were independently associated with mortality in CRKP BSI. A skin or soft-tissue infection source, urinary catheter, and underlying chronic obstructive pulmonary disease were predictors of mortality in CSKP BSI. The group characteristics were well balanced after IPTW-S. The adjusted hazard ratio for 30-day mortality for CRKP BSI was 1.607 (interquartile range, 0.814-3.171) | ||
| 520 | |a CONCLUSIONS: Carbapenem resistance was not associated with a significant increase in 30-day mortality in KP BSI; patient and disease factors were primary determinants of outcomes | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Zeng, Chaoying |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Xue |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yuqing |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Zhihua |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Jing |e verfasserin |4 aut | |
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