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Updated: May 17, 2026
03:40
Point-of-Care Ultrasound for Peripheral Veno-Arterial Extracorporeal Membrane Oxygenation Without Left Ventricular Venting
Published on: January 17, 2025
Renal function and survival in 200 patients undergoing ECMO therapy
Jan T Kielstein1, Anna Maria Heiden, Gernot Beutel
1Division of Nephrology and Hypertension, Department of Internal Medicine, Medical School Hannover, Germany. kielstein@yahoo.com
Summary
Acute kidney injury (AKI) requiring renal replacement therapy (RRT) significantly lowers survival for patients on extracorporeal membrane oxygenation (ECMO). This highlights a critical association between AKI and mortality in critically ill ECMO patients.
Area of Science:
- Critical Care Medicine
- Nephrology
- Cardiopulmonary Support
Background:
- Extracorporeal membrane oxygenation (ECMO) is vital for gas exchange in severe respiratory and cardiac failure.
- Acute kidney injury (AKI) is a common complication in critically ill patients on ECMO.
- The impact of AKI on ECMO patient survival and differing effects of ECMO modes on kidney function remain unclear.
Purpose of the Study:
- To investigate the effect of AKI on the survival of critically ill patients receiving ECMO.
- To determine if veno-venous and veno-arterial ECMO influence kidney function differently.
Main Methods:
- Retrospective analysis of 200 patients undergoing ECMO between 2005 and 2010.
- Data collected via chart review, including need for renal replacement therapy (RRT).
- Three-month survival follow-up was conducted.
Main Results:
- Overall three-month survival was 31%.
- 60% of ECMO patients (120/200) required RRT for AKI.
- Patients requiring RRT for AKI had significantly lower survival (17%) compared to those without RRT (53%) (P=0.001).
- Longer RRT duration correlated with increased mortality.
Conclusions:
- AKI requiring RRT significantly increases mortality in ICU patients on ECMO.
- Further research is needed to identify patients who may benefit from combined ECMO and RRT therapy.
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