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Continuous arteriovenous hemofiltration in the critically ill patient
A Warnholtz1, A D Slater, T A Golper
1Department of Medicine, University of Louisville School of Medicine, Kentucky.
The Journal of the Kentucky Medical Association
|March 1, 1991
Summary
Continuous arteriovenous hemofiltration (CAVH) effectively manages fluid overload and toxins in critically ill patients. This extracorporeal therapy is ideal for hemodynamically unstable individuals, offering an alternative to traditional dialysis.
Area of Science:
- Nephrology
- Critical Care Medicine
- Extracorporeal Therapies
Background:
- Fluid overload and electrolyte imbalances are common in critically ill patients.
- Uremic toxin accumulation poses significant health risks.
- Hemodynamic instability often complicates management in intensive care units.
Observation:
- Continuous arteriovenous hemofiltration (CAVH) is a rapid extracorporeal treatment.
- CAVH effectively removes excess fluid without compromising cardiovascular status.
- Two cases illustrate CAVH use in cardiogenic and septic shock with fluid overload.
Findings:
- CAVH facilitated significant fluid removal in shock patients.
- Potential removal of sepsis-related vasodilators by CAVH was observed.
- CAVH proved effective in managing complex fluid and electrolyte disturbances.
Implications:
- CAVH is a valuable alternative to hemodialysis in critical care.
- This therapy is particularly suited for hemodynamically unstable patients.
- CAVH may improve outcomes in shock patients with fluid overload and toxinemia.