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Artificial dialysis membranes: from concept to large scale production
J Vienken1, M Diamantoglou, W Henne
1Fresenius Medical Care, Bad Homburg, Germany. joerg.vienken@fmc-ag.de
American Journal of Nephrology
|April 24, 1999
Summary
Dialysis membranes evolved from early collodion to advanced synthetic materials, improving hemodialysis effectiveness. This membrane development is crucial for widespread patient access to kidney replacement therapy.
Area of Science:
- Biomaterials Science
- Nephrology
- Polymer Chemistry
Background:
- The evolution of hemodialysis therapy is intrinsically linked to advancements in artificial membrane technology.
- Early research utilized collodion, a cellulose-trinitrate derivative, for fundamental studies on solute transport and initial in vivo dialysis experiments.
Observation:
- Collodion membranes were foundational, followed by improved cellophane and Cuprophan materials offering better performance and stability.
- Unmodified cellulose membranes faced challenges due to hemocompatibility concerns, leading to their replacement.
- Current trends focus on modified cellulosic and synthetic membranes with enhanced hemocompatibility.
Findings:
- Modern dialysis membranes, including high-flux variants, enable more effective therapies like hemodiafiltration and hemofiltration.
- Significant improvements in membrane production and availability have supported the global expansion of hemodialysis.
Implications:
- Continued innovation in dialysis membrane materials is essential for advancing kidney disease treatment.
- Enhanced membrane hemocompatibility and performance directly impact patient outcomes and therapeutic options.