Transplant Rejection and Graft-Versus-Host
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Transplant Rejection and Graft-Versus-Host conditions
Acute Transplant RejectionAcute transplant rejection is a T-cell mediated immune response occurring weeks after transplant, characterized by graft inflammation and dysfunction.Chronic Transplant RejectionChronic transplant rejection is a progressive immune-mediated injury causing vascular fibrosis and graft dysfunction, often occurring months to years post-transplant.Graft-versus-Host Disease (GVHD)Graft-versus-Host Disease (GVHD) is an immune reaction where donor T cells attack host tissues, commonly affecting skin, liver, and GI tract after transplant.Hyperacute Transplant RejectionHyperacute transplant rejection occurs minutes after transplantation due to preformed recipient antibodies causing rapid vascular thrombosis and graft failure.