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Chinese Journal of Critical Care Medicine(Electronic Edition) ›› 2022, Vol. 15 ›› Issue (01): 28-35. doi: 10.3877/cma.j.issn.1674-6880.2022.01.006

• Original Article • Previous Articles     Next Articles

Effect of extracorporeal membrane oxygenation on the prognosis of neurological function in patients with cardiac arrest

Guangyong Jin1, Menglu Zhou2, Mengyuan Diao1, Shaosong Xi1, Xiaokang Zeng1, Qiao Gu1, Ying Zhu1, Wei Hu1,()   

  1. 1. Department of Intensive Care Unit, the Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
    2. Department of Neurology, the Affiliated Hospital of Hangzhou Normal University, Hangzhou 310015, China
  • Received:2021-07-28 Online:2022-02-28 Published:2022-04-11
  • Contact: Wei Hu

Abstract:

Objective

To explore the influencing factors of extracorporeal membrane oxygenation (ECMO) on the prognosis of neurological function in patients with cardiac arrest (CA).

Methods

A total of 22 patients with CA who were treated with ECMO in the Department of Intensive Care Unit, the Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine from January 2012 to June 2020 were included. After evaluating the cerebral performance category (CPC) scale at discharge, we divided the participants into two groups: 12 cases in the good CPC group (CPC 1-2) and 10 cases in the poor CPC group (CPC 3-5). The general information, causes of CA, underlying diseases, disease severity, CA related conditions, nervous system related conditions, ECMO related conditions, troponin I, albumin and other biochemical indicators were compared between the two groups. Then with binary Logistic regression analysis, we assessed the possible influencing factors of ECMO on the prognosis of neurological function in participants.

Results

Of the 22 CA patients treated with ECMO, 14 were alive at discharge and among them 12 were alive with good neurological function. The poor CPC group has a significantly higher level of troponin I [47.0 (26.8, 80.0) μg/L vs. 13.6 (3.3, 32.6) μg/L, U = 20.000, P = 0.017], and a lower level of albumin [(27 ± 7) g/L vs. (33 ± 6) g/L, t = 2.485, P = 0.022] comparing with the good CPC group. Though the flow rate on the third day of ECMO was higher in the poor CPC group, there was no statistically significant difference between two groups [(3.6 ± 0.8) L/min vs. (3.0 ± 0.7) L/min, t = 2.091, P = 0.050]. In addition, the Logistic regression analysis showed that lower albumin concentration was an independent risk factor for poor neurological prognosis in patients with CA after ECMO treatment [odds ratio (OR) = 0.755, 95% confidence interval (CI) (0.576, 0.990), P = 0.042].

Conclusion

In present study, we found lower albumin concentration was an independent risk factor for poor neurological prognosis in patients with CA after ECMO treatment.

Key words: Cardiac arrest, Extracorporeal membrane oxygenation, Albumin

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