• The Big Picture: A Case Report of Antibody Mediated Rejection and Treatment After Lung Transplantation Illustrating the Need to Correlate Laboratory Findings with Clinical Status.

The Big Picture: A Case Report of Antibody Mediated Rejection and Treatment After Lung Transplantation Illustrating the Need to Correlate Laboratory Findings with Clinical Status.

 

Zeevi A, Marrari M, Lunz J, Lomago J, Johnson K, Jelinek L, Foster D, Bermudez C, McDyer J, Pilewski J, Ensor C.

Clinical Transplants 2013, Chapter 48


Abstract

We report the case of a patient who developed respiratory failure in the presence of de novo donor-specific antibody (DSA) two years after lung transplantation, following recurrent acute cellular rejection. The patient underwent salvage therapy with plasma exchange, intravenous immunoglobulins, and proteasome inhibitor carfilzomib (CFZ). DSA was detected prior to admission for antibody-mediated rejection by single antigen bead Luminex (SAB) testing and indicated the presence of a DQ3 pattern (DQ7, DQ8, and DQ9). The patient initially responded to CFZ-based treatment with a decline in DQ3-DSA strengths, but DQ7-DSA persisted at low-levels. However, the DQ7-C1q reactivity that was absent after therapy recovered, indicating a potential \prozone\" effect on SAB testing. Treating sera with dithiothreitol/ heat and ethylenediaminetetraacetic acid was able to relieve the \"prozone\" effect titer and function along with communications with clinical colleagues to correlate laboratory findings with clinical parameters."     

The Big Picture: A Case Report of Antibody Mediated Rejection and Treatment After Lung Transplantation Illustrating the Need to Correlate Laboratory Findings with Clinical Status.

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