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Medicine (Baltimore) ; 100(14): e24880, 2021 Apr 09.
Artículo en Inglés | MEDLINE | ID: mdl-33832068

RESUMEN

ABSTRACT: Carbapenemase-producing Enterobacterales constitute a serious public health threat; however, information on the oxacilinasa (OXA-48)-type is limited. The objective of the study was to evaluate the risk factors associated with 14-day mortality for patients with bacteremia due to OXA-48 carbapenemase-producing Klebsiella pneumoniae.We conducted a retrospective, single-center observational study of adult patients with K. pneumoniae bacteremia, classifying the strains as carbapenem-susceptible K. pneumoniae (CSKp) and carbapenem-resistant K. pneumoniae (CRKp). All of the CRKp strains were the OXA-48-type.The study included 202 cases of bacteremia: 114 due to CSKp and 88 due to CRKp. The clinical cure rate was higher for the patients with CSKp (85% vs 69% for CSKp and CRKp, respectively; P = .010), while the 14-day mortality rate was lower (13% vs 30%, P = .005). An INCREMENT-CPE score ≥7 (HR 3.05, 95% CI 1.50-6.25, P = .002) was the only independent factor associated with 14-day mortality for the patients with Klebsiella spp. bacteremia. Other factors related to 14-day mortality were a rapidly fatal prognosis (McCabe) (HR 7.1, 95% CI 2.75-18.37, P < .001), dementia (HR 5.9, 95% CI 2.0-7.43, P = .001), and a high-risk source of infection (HR 2.7, 95% CI 1.06-6.82, P = .038).The most important factors associated with 14-day mortality for the patients with K. pneumoniae bacteremia was an INCREMENT-CPE score ≥7, dementia, a McCabe score indicating a rapidly fatal prognosis and a high-risk source of infection. We found no relationship between a poorer outcome and CRKp isolation or inadequate antibiotic therapy.


Asunto(s)
Infecciones por Klebsiella/mortalidad , beta-Lactamasas/metabolismo , Adulto , Antibacterianos/uso terapéutico , Enterobacteriaceae Resistentes a los Carbapenémicos/efectos de los fármacos , Carbapenémicos/uso terapéutico , Estudios de Casos y Controles , Farmacorresistencia Microbiana , Femenino , Humanos , Infecciones por Klebsiella/tratamiento farmacológico , Infecciones por Klebsiella/microbiología , Klebsiella pneumoniae/aislamiento & purificación , Masculino , Estudios Retrospectivos
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