AI Article Synopsis
- A retrospective study conducted in a medical ICU from 2016 to 2020 examined cases of bloodstream infections (BSI) caused by Klebsiella pneumoniae, focusing on a hypervirulent strain (hvKP).
- Out of 70 patients with K. pneumoniae BSI, 9 (13%) were identified with hvKP, with a significant number (56%) having pneumonia as the cause of the infection.
- The study highlighted that a considerable portion of hvKP-BSI patients were homeless (56%), and while the 30-day mortality rate was high (44%), it did not significantly differ from that of classical Klebsiella pneumoniae BSI (cKP).
Article Abstract
Introduction: Hypervirulent Klebsiella pneumoniae (hvKP) bloodstream infections (BSI) have rarely been reported in critically ill patients.
Methods: We conducted a retrospective study of KP-BSI between January 2016 and December 2020 in an adult medical intensive care unit (ICU) of our tertiary care hospital. Hypervirulent phenotype was defined by the detection of both rmpA and iutA.
Results: Seventy patients diagnosed with K. pneumonia BSI were included, of whom 9 (13 %) had hvKP infection. Pneumonia accounted for 56 % of hvKP-BSI and for 28 % of those with cKP. Fifty-six percent of patients with hvKP-BSI were homeless, versus 2 % of those with cKP-BSI (p < 0.001). The 30-day mortality rate reached 44 % for hvKP-BSI and 34 % for cKP-BSI (p = 0.7) and did not appear related to the hypervirulent phenotype in multivariable analysis.
Discussion: We here evidenced a new clinical entity of hvKP-BSI associated with pulmonary infection in homeless patients, which exhibits high mortality.
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| http://dx.doi.org/10.1016/j.idnow.2024.104892 | DOI Listing |
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