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Clinical and microbiological characteristics of and risk factors for bloodstream infections among patients with extracorporeal membrane oxygenation: a single-center retrospective cohort study

 Eun Hwa Lee  ;  Ki Hyun Lee  ;  Se Ju Lee  ;  Jinnam Kim  ;  Yae Jee Baek  ;  Jin Young Ahn  ;  Su Jin Jeong  ;  Nam Su Ku  ;  Jun Yong Choi  ;  Joon-Sup Yeom  ;  Young Goo Song  ;  Jung Ho Kim 
 SCIENTIFIC REPORTS, Vol.12(1) : 15059, 2022-09 
Journal Title
Issue Date
Bacteremia* / etiology ; Bacteremia* / microbiology ; Candidemia* / epidemiology ; Candidemia* / etiology ; Extracorporeal Membrane Oxygenation* / adverse effects ; Humans ; Retrospective Studies ; Risk Factors
Extracorporeal membrane oxygenation (ECMO) provides hemodynamic and oxygenation support to critically ill patients. Due to multiple catheter cannulations, patients on ECMO are vulnerable to bloodstream infections (BSIs). We aimed to investigate the incidence, clinical characteristics, risk factors, and microorganisms associated with BSIs during ECMO. This single-center retrospective cohort study was conducted between January 2015 and May 2021. Patients aged 18 years or older with an ECMO duration of > 48 h for cardiogenic or respiratory support were included in the study. Patients who developed bacteremia or candidemia from 12 h after ECMO cannulation to 7 days after de-cannulation were included. The clinical factors between non-BSI and BSI were compared, along with an analysis of the risk factors associated with BSI during ECMO. A total of 480 patients underwent ECMO for cardiogenic shock (n = 267, 55.6%) or respiratory failure (n = 213, 44.4%) during the study period. The incidence was 20.0 episodes per 1000 ECMO-days. Approximately 20.2% (97/480) and 5.4% (26/480) of the patients developed bacteremia and candidemia, respectively. The median numbers of days of BSI development were 8.00 days for bacteremia and 11.0 days for candidemia. The most common pathogens were methicillin-resistant coagulase-negative staphylococci (n = 24), followed by vancomycin-resistant Enterococcus (n = 21). Multivariable logistic analysis demonstrated that hemodialysis (odds ratio [OR] 2.647, p < 0.001), veno-arterial-venous mode (OR 1.911, p = 0.030), and total ECMO duration (OR 1.030, p = 0.007) were significant risk factors for bacteremia. The total ECMO duration was the only risk factor associated with candidemia (OR 1.035, p = 0.010). The mortality rate was significantly higher in the bacteremia (57.7%) and candidemia (69.2%) groups than that in the non-BSI group (43.6%). BSI is a common complication of patients receiving ECMO support and is associated with poor clinical outcomes. Determining the type of frequently isolated organisms and the median onset time of BSI would help in the selection of appropriate prophylactic antibiotics or antifungal agents.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Ku, Nam Su(구남수) ORCID logo https://orcid.org/0000-0002-9717-4327
Kim, Jung Ho(김정호) ORCID logo https://orcid.org/0000-0002-5033-3482
Kim, Jin Nam(김진남)
Baek, Yae Jee(백예지)
Song, Young Goo(송영구) ORCID logo https://orcid.org/0000-0002-0733-4156
Ahn, Jin Young(안진영) ORCID logo https://orcid.org/0000-0002-3740-2826
Yeom, Joon Sup(염준섭) ORCID logo https://orcid.org/0000-0001-8940-7170
Lee, Ki Hyun(이기현)
Lee, Se Ju(이세주)
Lee, Eun Hwa(이은화)
Jeong, Su Jin(정수진) ORCID logo https://orcid.org/0000-0003-4025-4542
Choi, Jun Yong(최준용) ORCID logo https://orcid.org/0000-0002-2775-3315
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