Predictors of acute kidney injury in patients after extracorporeal cardiopulmonary resuscitation

Author:

Gaisendrees Christopher1ORCID,Ivanov Borko1ORCID,Gerfer Stephen1ORCID,Sabashnikov Anton1,Eghbalzadeh Kaveh1,Schlachtenberger Georg1,Avgeridou Soi1,Rustenbach Christian1ORCID,Merkle Julia1ORCID,Adler Christopher2,Kuhn Elmar1,Mader Navid1,Kuhn-Régnier Ferdinand1,Djordjevic Ilija1ORCID,Wahlers Thorsten1

Affiliation:

1. Heart Center, Department of Cardiothoracic Surgery, University Hospital of Cologne, Cologne, Germany

2. Heart Center, Department of Cardiology, University Hospital of Cologne, Cologne, Germany

Abstract

Objectives: Extracorporeal cardiopulmonary resuscitation (eCPR) is increasingly used due to its beneficial outcomes and results compared with conventional CPR. Data after eCPR for acute kidney injury (AKI) are lacking. We sought to investigate factors predicting AKI in patients who underwent eCPR. Methods: From January 2016 until December 2020, patients who underwent eCPR at our institution were retrospectively analyzed and divided into two groups: patients who developed AKI ( n = 60) and patients who did not develop AKI ( n = 35) and analyzed for outcome parameters. Results: Overall, 63% of patients suffered AKI after eCPR and 45% of patients who developed AKI needed subsequent dialysis. Patients who developed AKI showed higher values of creatinine (1.1 mg/dL vs 1.5 mg/dL, p ⩽ 0.01), urea (34 mg/dL vs 42 mg/dL, p = 0.04), CK (creatine kinase) (923 U/L vs 1707 U/L, p = 0.07) on admission, and CK after 24 hours of ECMO support (1705 U/L vs 4430 U/L, p = 0.01). ECMO explantation was significantly more often performed in patients who suffered AKI (24% vs 48%, p = 0.01). In-hospital mortality (86% vs 70%; p = 0.07) did not differ significantly. Conclusion: Patients after eCPR are at high risk for AKI, comparable to those after conventional CPR. Baseline urea levels predict the development of AKI during the hospital stay.

Publisher

SAGE Publications

Subject

Advanced and Specialised Nursing,Cardiology and Cardiovascular Medicine,Safety Research,Radiology Nuclear Medicine and imaging,General Medicine

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