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Optimization of the Cuff Technique for Murine Heart Transplantation
Published on: June 26, 2020
Safety and Efficacy of Immunoadsorption in Heart Transplantation Program
T Gazdic1, I Malek2, L Pagacova3
1Cardiovascular Surgery Department, Institute for Clinical and Experimental Medicine, Prague, Czech Republic.
Background:
Antibody-mediated rejection (AMR) is a serious complication of organ transplantation, and its treatment is complex. The aim of this study was to assess immunoadsorption (IA) for treatment-immunized patients before heart transplantation (HTX) and as the first step of AMR treatment after HTX.
Methods:
The cohort consisted of 10 patients (8 men, 2 women; age range, 20-57 years). For 3 of these patients, IA was included in the desensitization protocol before HTX; for 7 patients, IA was the first step of the treatment protocol. One patient underwent IA before and after HTX.
Results:
A comparison of values before IA and after the last procedure showed a decrease in immunoglobulin subgroups (G, M, and A). In patients before HTX, a decline was noted in panel reactive antibodies. After HTX, IA procedures led to a significant decrease in donor-specific antibody (DSA) class I; DSA class II fell in 6 of 7 patients, with 51% falling below the detection limit.
Conclusions:
IA in patients during HTX is safe procedure for reducing DSA. The removal of antibodies is the first step in comprehensive treatment and must be followed by a procedure that prevents their further development.
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