• Journal of critical care · Dec 2024

    Comparative Study

    Outcomes of continuous renal replacement therapy versus peritoneal dialysis as a renal replacement therapy modality in patients undergoing Venoarterial extracorporeal membrane oxygenation.

    • Peerapat Thanapongsatorn, Nisha Wanichwecharungruang, and Nattachai Srisawat.
    • Division of Nephrology, Department of Medicine, Thammasat University Hospital, Pathum Thani, Thailand; Nephrology Unit, Central Chest Institute of Thailand, Nonthaburi, Thailand.
    • J Crit Care. 2024 Dec 1; 84: 154895154895.

    IntroductionThe optimal modality for renal replacement therapy (RRT) in patients venoarterial extracorporeal membrane oxygenation (VA-ECMO) remains unclear. This study aimed to compare outcomes between continuous renal replacement therapy (CRRT) and peritoneal dialysis (PD) in VA-ECMO patients.MethodsThis single-center retrospective study included VA-ECMO patients who developed AKI and subsequently required CRRT or PD. Data on patient demographics, comorbidities, clinical characteristics, RRT modality, and outcomes were collected. The primary outcome was in-hospital mortality, with secondary outcomes including length of stays, RRT durations, and complications associated with RRT.ResultsA total of 43 patients were included (72.1% male, mean age 58.2 ± 15.7 years). Of these, 21 received CRRT and 22 received PD during ECMO therapy. In-hospital mortality rates did not significantly differ between CRRT and PD groups (80.9% vs 90.9%, p = 0.35). However, PD was associated with a higher incidence of catheter-related complications, including malposition (31.8% vs 4.7%, p = 0.046), infection (22.7% vs 4.7%, p = 0.19), and bleeding (18.2% vs 9.5%, p = 0.66), respectively.ConclusionAmong patients receiving VA-ECMO-supported RRT, our study revealed comparable in-hospital mortality rates between CRRT and PD, although PD was associated with a higher incidence of catheter-related complications.Copyright © 2024 Elsevier Inc. All rights reserved.

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