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  • Title: Successful Management of Late-Onset Cytomegalovirus-Induced Hemophagocytic Lymphohistiocytosis in Kidney Transplant Recipient After Coronary Artery Bypass Graft Surgery.
    Author: Alotaibi T, Adel M, Gheith O, Abo-Atya H, Halim MA, Nair P, Mahmoud T, Abdultawab K, Fouad M, Mejahed M, Al-Mohareb S.
    Journal: Exp Clin Transplant; 2019 Jan; 17(Suppl 1):207-211. PubMed ID: 30777556.
    Abstract:
    Hemophagocytic syndrome combines febrile hepatosplenomegaly, pancytopenia, hypofibrinemia, and hepatic dysfunction. It is characterized by bone marrow and organ infiltration of activated, nonmalignant macrophages that phagocytize blood cells. It is rare among renal transplant recipients. Here, we present the successful management of late-onset cytomegalovirusinduced hemophagocytic lymphohistiocytosis in a kidney transplant recipient after coronary artery bypass graft surgery. In 2012, our patient had end-stage kidney disease due to diabetic nephropathy and underwent related living-donor renal transplant. He was also hypertensive and hyperuricemic and had heart ischemia for which percutaneous coronary intervention for triple vessel disease was performed before transplant. In March 2017, he underwent successful aortic valve replacement and coronary artery bypass graft surgery; however, the patient had persistent thrombocytopenia. Heparin-induced thrombocytopenia was negative. His bone marrow showed hemophagocytosis possibly due to cytomegalovirus. Moreover, antiglycoprotein IIb/IIIA autoantibodies were positive. A positron emission tomography scan was negative for malignancy. He started treatment for cytomegalovirus with modifi cation of his immunosuppressive regimen (pulse steroid). Antiplatelet therapy was held and only resu med if platelet count exceeded 30000/L. Moreover, he received intravenous immunoglobulin and romiplostim treatment with partial response. Throughout treatment, he had stable kidney graft function with improving platelet count. A multi disciplinary approach is needed to treat patients with hemophagocytic syndrome, especially renal transplant recipients. Late-onset cytomegalovirus is an important cause for this syndrome.
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