Production of OXA-48 carbapenemase acts as an independent risk factor for poor outcome in Klebsiella pneumoniae infection

© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature..

PURPOSE: To know whether the production of OXA-48 carbapenemase exerts an independent impact on the outcome of Klebsiella pneumoniae infection, once adjusted by clinical syndrome and baseline risk factors.

METHODS: We performed a case-cohort study including 117 infectious episodes due to OXA-48-producing K. pneumoniae (OXA-48-Kp) and 117 episodes due to non-OXA-48-producing strains (non-OXA-48-Kp). Both groups were matched (1:1 ratio) by clinical syndrome (source of infection, preceding invasive procedures and indwelling devices, and associated bacteremia) and hospitalization ward at infection onset. Multivariate Cox regression was used to investigate the association between OXA-48-Kp infection and clinical cure by day 14 (primary outcome) and 30-day all-cause mortality (secondary outcome).

RESULTS: Both study groups were well balanced regarding underlying conditions and comorbidity burden. Sepsis or septic shock were more frequent in OXA-48-Kp cases than non-OXA-48-Kp controls (41 [35.0%] vs. 17 [14.5%]; P-value < 0.0001). Clinical cure by day 14 was less commonly achieved in OXA-48-Kp cases (49 [41.9%] vs. 95 [81.2%]; P-value < 0.001), whereas 30-day all-cause mortality was higher (33 [28.2%] vs. 18 [15.4%]; P-value = 0.018). Multivariate analysis confirmed that OXA-48-Kp infection was independently associated with the lack of 14-day clinical cure (adjusted hazard ratio [aHR]: 0.45; 95% confidential interval [95%CI]: 0.29-0.70; P-value < 0.0001). A non-significant association was observed for 30-day all-cause mortality (aHR: 1.65; 95%CI: 0.92-2.94; P-value = 0.093).

CONCLUSION: Our matched analysis suggests that the production of OXA-48 carbapenemase acts as an independent risk factor for poor outcome in K. pneumoniae infection as compared to episodes due to non-carbapenemase-producing strains.

Medienart:

E-Artikel

Erscheinungsjahr:

2023

Erschienen:

2023

Enthalten in:

Zur Gesamtaufnahme - volume:42

Enthalten in:

European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology - 42(2023), 12 vom: 07. Dez., Seite 1485-1497

Sprache:

Englisch

Beteiligte Personen:

Corbella, Laura [VerfasserIn]
Fernández-Ruiz, Mario [VerfasserIn]
Ruiz-Ruigómez, María [VerfasserIn]
Rodríguez-Goncer, Isabel [VerfasserIn]
Silva, José Tiago [VerfasserIn]
Hernández-Jiménez, Pilar [VerfasserIn]
López-Medrano, Francisco [VerfasserIn]
Lizasoain, Manuel [VerfasserIn]
Villa, Jennifer [VerfasserIn]
Aguado, José María [VerfasserIn]
San-Juan, Rafael [VerfasserIn]

Links:

Volltext

Themen:

Anti-Bacterial Agents
Bacterial Proteins
Beta-Lactamases
Carbapenemase
EC 3.5.2.6
Journal Article
Klebsiella pneumoniae
OXA-48 carbapenemase
Outcomes
Risk factor
Virulence

Anmerkungen:

Date Completed 14.02.2024

Date Revised 14.02.2024

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1007/s10096-023-04675-w

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM363814361