Effects of Cuprophane Membranes on Neutrophil Functions During Haemodialysis
Author Information
Author(s): I. Eckle, G. Kolb, E. Martinez Martin, K. Havemann
Primary Institution: Centre of Internal Medicine, Philipps-University, Marburg, Germany
Hypothesis
How do cuprophane membranes during haemodialysis affect plasma levels of CSadesArg and neutrophil functions?
Conclusion
Haemodialysis with cuprophane membranes significantly increases plasma levels of CSadesArg, which affects neutrophil functions.
Supporting Evidence
- Haemodialysis with cuprophane membranes resulted in maximal levels of 55 µg C5adesArg/1 after 30 minutes.
- Activated plasma significantly stimulated neutrophil chemotaxis and oxidative burst.
- Preincubation with activated plasma reduced the yield of isolated PMN to 18% of control.
Takeaway
When patients undergo dialysis with certain membranes, their blood shows higher levels of a substance that can change how their immune cells work.
Methodology
The study involved isolating neutrophils from healthy donors and incubating them with activated plasma to assess changes in their functions.
Limitations
The study primarily focused on one type of membrane and may not generalize to all dialysis methods.
Participant Demographics
Participants were normal, healthy donors for the PMN isolation and 27 patients for the haemodialysis study.
Statistical Information
P-Value
p<0.002
Statistical Significance
p<0.002
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