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. 2018 Dec;6(23):455.
doi: 10.21037/atm.2018.11.12.

Retrospective study on the effects of the prognosis of patients treated with extracorporeal membrane oxygenation combined with continuous renal replacement therapy

Ping He  1 , Shixin Zhang  1 , Bingyang Hu  2 , Wei Wu  1
Affiliations

Retrospective study on the effects of the prognosis of patients treated with extracorporeal membrane oxygenation combined with continuous renal replacement therapy

Ping He et al. Ann Transl Med. 2018 Dec.

Abstract

Background: Patients undergoing extracorporeal membrane oxygenation (ECMO) treatment often have severe fluid overload and electrolyte imbalances and may even suffer acute kidney injury (AKI). It is often necessary to use continuous renal replacement therapy (CRRT). In this study, we aimed to retrospectively analyze the prognosis of patients treated with ECMO combined with CRRT and to find the independent factors that affect the survival rate.

Methods: There were 32 patients who were treated with ECMO combined with CRRT in our hospital from January 2007 to December 2017 who were analyzed. All of the patients were divided into a survival group and death group. The clinical indicators and biochemical indexes of the two groups were observed, and their differences were compared. Multivariate logistic regression analysis was carried out to determine the independent risk factors.

Results: The fluid balance at ECMO day 3, SOFA score and lactate at CRRT initiation, sequential organ failure assessment (SOFA) score at ECMO weaning, CRRT duration, ECMO to CRRT interval, mechanical ventilation (MV) duration, length of ICU, and overall hospital length of stay were statistically significant (P<0.05). The clinical biochemical indexes at CRRT initiation and ECMO weaning [serum creatinine, pH, white blood cell (WBC), hemoglobin (Hb), bilirubin]; patient's age, gender and BMI; and the fluid balance at ECMO days 1 and 7 were not statistically significance (P>0.05). The fluid balance at ECMO day 3 and lactate at CRRT initiation by multivariable logistic regression analysis were independent risk factors affecting patient prognosis.

Conclusions: The fluid balance at ECMO day 3 and lactate at CRRT initiation are the prognosis independent risk factors for ECMO + CRRT patients.

Keywords: Extracorporeal membrane oxygenation (ECMO); continuous renal replacement therapy (CRRT); prognosis.

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Conflict of interest statement

Conflicts of Interest: The authors have no conflicts of interest to declare.

Figures

Figure 1
Figure 1
Outcomes of patients with ECMO combined CRRT. ECMO, extracorporeal membrane oxygenation; CRRT, continuous renal replacement therapy; OPO, Organ Procurement Organizations.
Figure 2
Figure 2
Diagram of ECMO connecting CRRT. ECMO, extracorporeal membrane oxygenation; CRRT, continuous renal replacement therapy.
See this image and copyright information in PMC

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