Renal replacement therapy in the critical care unit

Area of Science:

• Nephrology
• Critical Care Medicine
• Intensive Care Unit Management

Background:

• Acute renal failure (ARF) is a frequent complication in critically ill patients.
• A significant proportion of intensive care unit (ICU) patients require renal replacement therapy (RRT).

Purpose of the Study:

• To review available forms of renal replacement therapy (RRT) for critically ill patients.
• To emphasize clinical indications guiding the selection and design of RRT.
• To discuss practical aspects, troubleshooting, and anticoagulation strategies during RRT.

Main Methods:

• Review of current literature on renal replacement therapy modalities.
• Analysis of clinical indications for RRT selection.
• Discussion of practical considerations including anticoagulation, hemodynamics, costs, and outcomes.

Main Results:

• Hemodialysis can be delivered as intermittent treatments or continuous RRT.
• Continuous RRT offers customization through tailored replacement fluids and hemodialysates.
• Key factors influencing RRT choice include clinical goals, hemodynamic stability, cost, and desired physiologic outcomes.

Conclusions:

• The choice of RRT modality in critically ill patients depends on specific clinical indications and patient status.
• Careful design of replacement fluids and hemodialysates allows for personalized continuous RRT.
• Comprehensive consideration of practical issues, anticoagulation, and outcomes is crucial for effective RRT management.