ROCHESTER, Minn. — Mayo Clinic researchers have discovered a promising new approach to improve hemodialysis for patients with end-stage kidney disease. Hemodialysis is a treatment in which a machine filters waste from the blood. To prepare for it, patients typically undergo surgery to connect an artery and a vein in the arm, creating an arteriovenous fistula (AVF) that allows blood to flow through the vein for treatment. The study , published in Science Translational Medicine, shows that using a patient's own stem cells from fat cells can help prevent vein narrowing, a common complication that affects the success of AVF. Sanjay Misra, M.D., a Mayo Clinic interventional radiologist, explained that mesenchymal stem cells possess anti-inflammatory properties. "Inflam

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