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KMID : 0191120090240000148
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Journal of Korean Medical Science
2009 Volume.24 No. 0 p.148 ~ p.155
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Successful Renal Transplantation with Desensitization in Highly Sensitized Patients: A Single Center Experience
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Yoon Hye-Eun
Hyoung Bok-Jin
Hwang Hyeon-Seok
Lee So-Young
Chun Yeon-Joo
Song Joon-Chang
Oh Eun-Jee
Park Sun-Cheol
Choi Bum-Soon
Moon In-Sung
Kim Yong-Soo
Yang Chul-Woo
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Abstract
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Intravenous immunoglobulin (IVIG) and/or plasmapheresis (PP) are effective in preventing antibody-mediated rejection (AMR) of kidney allografts, but AMR is still a problem. This study reports our experience in living donor renal transplantation in highly sensitized patients. Ten patients with positive crossmatch tests or high levels of panel-reactive antibody (PRA) were included. Eight patients were desensitized with pretransplant PP and low dose IVIG, and two were additionally treated with rituximab. Allograft function, number of acute rejection (AR) episodes, protocol biopsy findings, and the presence of donor-specific antibody (DSA) were evaluated. With PP/IVIG, six out of eight patients showed good graft function without AR episodes. Protocol biopsies revealed no evidence of tissue injury or C4d deposits. Of two patients with AR, one was successfully treated with PP/IVIG, but the other lost graft function due to de novo production of DSA. Thereafter, rituximab was added to PP/IVIG in two cases. Rituximab gradually decreased PRA levels and the percentage of peripheral CD20+ cells. DSA was undetectable and protocol biopsy showed no C4d deposits. The graft function was stable and there were no AR episodes. Conclusively, desensitization using PP/IVIG with or without rituximab increases the likelihood of successful living donor renal transplantation in sensitized recipients.
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KEYWORD
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Desensitization, Immunoglobulins, Intravenous, Plasmapheresis, Kidney Transplantation, Rituximab
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