Long-Term Follow-Up of Autologous Peripheral Blood Hematopoietic Stem Cell Transplantation for Refractory Lupus Nephritis—A Series Study of 20 Patients

22 patients with lupus nephritis refractory to immunosuppressive therapy were enrolled. 20 patients were examined closely and two cases died within 100 days after autologous hematopoietic cell transplantation.