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Continuous renal replacement therapy: understanding circuit hemodynamics to improve therapy adequacy
Thibault Michel1, Hatem Ksouri2, Antoine G Schneider1
1Adult Intensive Care Unit and Burn Center, Centre Hospitalier Universitaire Vaudois, Lausanne.
Current Opinion in Critical Care
|September 25, 2018
Summary
Continuous renal replacement therapy (CRRT) circuit failures, often due to clotting and clogging, can be minimized. Understanding CRRT hemodynamics and managing device alarms promptly is crucial for effective therapy.
Area of Science:
- Nephrology
- Critical Care Medicine
- Biomedical Engineering
Background:
- Continuous renal replacement therapy (CRRT) use is increasing globally.
- Technological advancements have improved CRRT safety and ease of use.
- Despite improvements, CRRT is still associated with significant challenges and complications.
Purpose of the Study:
- To review the common pitfalls and issues associated with CRRT.
- To emphasize the importance of understanding basic CRRT concepts for effective management.
- To explore how knowledge of CRRT circuits and hemodynamics can improve therapy adequacy.
Main Methods:
- Review of current literature on CRRT technology and management.
- Analysis of factors contributing to early CRRT circuit failure (clotting and membrane clogging).
- Discussion of device-triggered alarms and their relation to therapy management and hemodynamics.
Main Results:
- CRRT circuits frequently fail before the recommended 72-hour lifespan.
- Circuit clotting and membrane clogging are primary causes of premature failure.
- Poor therapy management, particularly concerning device alarms and blood pump interruptions, exacerbates these issues.
Conclusions:
- Effective CRRT management requires a thorough understanding of circuit hemodynamics.
- Prompt recognition and management of issues triggering alarms are essential to prevent circuit failure.
- Improved understanding of CRRT principles can enhance overall therapy adequacy and patient outcomes.
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