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31.12.2015 | Original Article | Ausgabe 2/2016

Journal of Artificial Organs 2/2016

Impact of bloodstream infections on catheter colonization during extracorporeal membrane oxygenation

Journal of Artificial Organs > Ausgabe 2/2016
Dong Wan Kim, Hye Ju Yeo, Seong Hoon Yoon, Seung Eun Lee, Su Jin Lee, Woo Hyun Cho, Doo Soo Jeon, Yun Seong Kim, Bong Soo Son, Do Hyung Kim


There are concerns about secondary extracorporeal membrane oxygenation (ECMO) catheter infections in bacteremic patients. We investigated the association between blood stream infection (BSI) and ECMO catheter colonization. From January 2012 to August 2014, 47 adults who received ECMO support were enrolled. The ECMO catheter tip was cultured at the end of the ECMO procedure. The enrolled patients were classified into two groups according to the presence of BSI during ECMO support and analyzed with respect to ECMO catheter colonization. Of 47 cases, BSI during ECMO was identified in 13 patients (27.7 %). ECMO catheter colonization was identified in 6 (46.2 %) patients in the BSI group and 3 (8.8 %) in the non-BSI group. BSI during ECMO support was independently associated with ECMO catheter colonization [odds ratio (OR) 5.55; 95 % confidence interval (CI) 1.00–30.73; p = 0.049]. The organisms colonizing ECMO catheters in the setting of primary BSI were predominantly Gram-positive cocci and Candida species. Acinetobacter baumannii was the most common colonizing pathogen in the setting of secondary BSI. All the organisms colonizing ECMO catheters were multi-drug resistant organisms, including methicillin-resistant S. aureus, Candida glabrata, and carbapenem-resistant A. baumannii. ECMO catheters may become contaminated with multi-drug resistant pathogens in the presence of BSI. Therefore, ECMO should be applied cautiously in septic patients with bacteremia caused by multi-drug resistant pathogens.

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