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Continuous arteriovenous hemofiltration as an adjunctive therapy for septic shock
Critical Care Medicine
|February 1, 1985
Summary
Continuous arteriovenous hemofiltration effectively managed fluid overload in septic patients with acute renal failure. This safe treatment demonstrated stable hemodynamics and efficient solute removal without significant complications.
Area of Science:
- Nephrology
- Intensive Care Medicine
- Critical Care
Background:
- Sepsis frequently leads to acute renal failure (ARF) and fluid overload.
- Managing fluid balance is critical in critically ill patients with ARF.
Purpose of the Study:
- To evaluate the efficacy and safety of continuous arteriovenous hemofiltration (CAVH) in septic patients with ARF and significant fluid overload.
Main Methods:
- CAVH was performed for a mean of 7 days (range 1-14 days) with a mean filtration volume of 3.64 L/day.
- Hemodynamic parameters (blood pressure, CVP, PAP, PAWP, cardiac output) were monitored.
- Serum and ultrafiltrate levels of electrolytes, urea, creatinine, protein, calcium, and antibiotics were analyzed.
Main Results:
- Patients remained hemodynamically stable throughout the hemofiltration procedure.
- High correlations were observed between serum and ultrafiltrate for sodium, potassium, phosphorus, urea, and creatinine.
- No protein was detected in the ultrafiltrate; antibiotic levels in ultrafiltrate closely matched serum levels.
Conclusions:
- Continuous arteriovenous hemofiltration is a safe and effective treatment for fluid overload in septic patients with ARF.
- CAVH facilitates significant fluid removal while maintaining hemodynamic stability.
- The technique allows for effective clearance of small solutes and antibiotics without protein loss.