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Experience with Tandem Pre-Dilution Online Hemodiafiltration and Centrifugal Plasma Exchange in Pretransplant Desensitization for Abo-Incompatible Kidney Transplantation: A Case Report.
Transplantation Proceedings 2024 March 12
BACKGROUND: In the use of therapeutic plasma exchange (TPE) as antibody removal therapy for ABO-incompatible (ABOi) kidney transplantation, it is technically possible to perform online hemodiafiltration (OHDF) and TPE simultaneously for patients who are receiving OHDF. In this study, we report tandem therapy of pre-dilution OHDF and centrifugal plasma exchange (cTPE), instead of membrane plasma exchange, which is the mainstay of TPE in Japan.
METHODS: A total of 14 sessions of tandem cTPE and pre-dilution OHDF were performed as preoperative antibody removal therapy for 6 ABOi kidney transplant recipients. cTPE intra-circuit pressure, decreased antibody titer, and adverse events were evaluated. The study was carried out following the ethical standards of the Declaration of Helsinki and Istanbul. Donors were not prisoners or individuals who were coerced or paid.
RESULTS: The tandem therapy was completed safely in 12 of the 14 sessions, with no problems such as pressure upper and lower limit alarms or circuit coagulation. In 2 sessions, the tandem therapy had to be interrupted due to coagulation on the dialysis circuit side. Antibody titers were reduced by a median of 3-fold for both IgG and IgM. There was no acute antibody-associated rejection.
CONCLUSIONS: In preoperative apheresis therapy for ABOi kidney transplantation, tandem therapy of pre-dilution OHDF and cTPE may be a useful treatment option that can be performed safely and results in sufficient reduction of antibody levels.
METHODS: A total of 14 sessions of tandem cTPE and pre-dilution OHDF were performed as preoperative antibody removal therapy for 6 ABOi kidney transplant recipients. cTPE intra-circuit pressure, decreased antibody titer, and adverse events were evaluated. The study was carried out following the ethical standards of the Declaration of Helsinki and Istanbul. Donors were not prisoners or individuals who were coerced or paid.
RESULTS: The tandem therapy was completed safely in 12 of the 14 sessions, with no problems such as pressure upper and lower limit alarms or circuit coagulation. In 2 sessions, the tandem therapy had to be interrupted due to coagulation on the dialysis circuit side. Antibody titers were reduced by a median of 3-fold for both IgG and IgM. There was no acute antibody-associated rejection.
CONCLUSIONS: In preoperative apheresis therapy for ABOi kidney transplantation, tandem therapy of pre-dilution OHDF and cTPE may be a useful treatment option that can be performed safely and results in sufficient reduction of antibody levels.
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