Journal
TRANSPLANTATION PROCEEDINGS
Volume 51, Issue 8, Pages 2766-2770Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.transproceed.2019.02.064
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Background. Enterococcus species are a common cause of bacteremia in liver transplant recipients. Vancomycin-resistant enterococci (VRE) have become an important cause of nosocomial infection. In this study, we analyzed the incidence, antibiotic resistance, and outcomes of enterococcal bacteremia in living donor liver transplant recipients and the risk factors for VRE. Patients and Methods. This single-center, retrospective review included 536 patients who underwent liver transplant between January 2008 and December 2017. Results. Among 536 patients, 42 (7.8%) experienced a total of 58 enterococcal bacteremic episodes (37 Enterococcus faecium, 17 Enterococcus faecalis, 2 Enterococcus casseliflavus, 1 Enterococcus. avium, and 1 Enterococcus raffinosus). Most cases of enterococcal bacteremia (46/58, 79.3%) occurred within 6 months after transplant; among the 26 cases of VRE bacteremia, 50% occurred within 1 month after transplant. E. faecium isolates had the highest rate of vancomycin resistance (25/37, 67.5%), whereas all E. faecalis isolates were susceptible to vancomycin. According to multivariate analysis, post-transplant dialysis (odds ratio, 3.95; 95% CI, 1.51-10.34; P = .005) and length of post-transplant hospital stay (odds ratio, 1.03; 95% CI, 1.009-1.04; P = .004) were significantly associated with VRE bacteremia. One-year mortality was 31% (13/42) among recipients with enterococcal bacteremia, 5.0% (20/384) among nonbacteremic patients, and 11.1% (10/90) among patients with nonenterococcal bacteremia (P < .001). Conclusion. In this study, enterococcal bacteremia showed high incidence in liver transplant recipients, especially with vancomycin resistance, occurred in early period after transplant, and was associated with increased mortality. High rates of resistance to vancomycin warrant further efforts to manage enterococcal infection in liver transplant recipients at our center.
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