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- W49267759 abstract "Heart transplantation as a treatment for end-stage heart failure has spawned numerous important challenges in patient care. A heart transplant patient with clinically unsuspected acute rheumatic carditis had an ultimately fatal course marked by refractory rejection and early death after transplantation. The patient had several immune abnormalities. Peripheral blood T lymphocytes (CD2+) were significantly elevated (p < 0.05) by flow cytometry in active rheumatic carditis versus 76 healthy individuals. The CD4+:CD8+ T-cell ratio was 5.5:1 in rheumatic disease and only 2.7:1 in healthy individuals. Numbers of peripheral blood B lymphocytes (CD19+), macrophages (CD14+), and interleukin-2 receptor-positive cells (CD25+) were also elevated in rheumatic disease. Natural killer cells (CD16+) were slightly reduced in number and appeared functionally deficient, and antibody-dependent cellular cytotoxicity was also reduced. Immunohistochemically, infiltrating cells in Aschoff lesions of the rheumatic native heart were mainly T cells, with putative TH/I cells predominating. The striking immune accompaniments of acute rheumatic fever may have heralded profound immune-mediated allograft intolerance leading to the patient's demise. Considering the recrudescence of rheumatic heart disease in this country and its remaining worldwide importance, such patients as the one discussed offer daunting clinical challenges when transplantation is an obvious management choice for severe, end-stage dilated cardiomyopathy." @default.
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- W49267759 date "1993-05-01" @default.
- W49267759 modified "2023-09-23" @default.
- W49267759 title "Acute rheumatic carditis: diagnostic and therapeutic challenges in the era of heart transplantation." @default.
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