期刊
ASAIO JOURNAL
卷 68, 期 8, 页码 1048-1053出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MAT.0000000000001634
关键词
ventricular assist device; infection; multidrug-resistant organism; colonization
资金
- National Institute of Allergy and Infectious Diseases at the National Institutes of Health [T32AI095207]
This study aimed to evaluate the colonization of multidrug-resistant organisms (MDRO) in patients with ventricular assist devices (VAD) and its impact on patient outcomes. The results showed that MDRO colonization was common in VAD patients and was associated with an increased risk of future VAD infections.
Infection is a leading cause of morbidity and mortality in patients with ventricular assist devices (VAD). The impact of colonization with multidrug-resistant organisms (MDRO) on outcomes in this cohort is unknown. Patients on VAD support from July 2008 to September 2018 at a single site were evaluated for MDRO colonization after implantation. MDROs included methicillin-resistant Staphylococcus aureus, vancomycin-resistant Enterococcus species, and extended-spectrum beta-lactamase producing gram-negative bacteria. 378 patients with 433 VADs were included. 42.6% (n = 161) of patients were colonized with an MDRO throughout the duration of VAD support. Eighty-two VAD infections occurred, 74.4% (n = 61) of whom were MDRO colonized before infection. MDRO colonization was associated with an increased risk of a subsequent VAD infection (hazard ratio 3.704, p < 0.001). MDRO colonization is common after VAD implantation and is associated with future VAD infections. Further study is needed to determine best management strategies for VAD recipients with MDRO colonization given this increased risk.
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