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Acute rejection is a category of rejection that occurs on the timescale of weeks to months, with most episodes occurring within the first 3 months to 1 year after transplantation. [ 6 ] [ 8 ] Unlike hyperacute rejection, acute rejection is thought to arise from two distinct immunological mechanisms as lymphocytes , a subset of white blood cells ...
Anti-thymocyte globulin (ATG) is an infusion of horse or rabbit-derived antibodies against human T cells and their precursors , which is used in the prevention and treatment of acute rejection in organ transplantation and therapy of aplastic anemia due to bone marrow insufficiency.
Acute cellular rejection occurs when the recipient's T lymphocytes are activated by the donor tissue, causing damage via mechanisms such as direct cytotoxicity from CD8 cells. Acute humoral rejection and chronic disfunction occurs when the recipient's anti-HLA antibodies form directed at HLA molecules present on endothelial cells of the ...
Muromonab-CD3 (brand name Orthoclone OKT3, marketed by Janssen-Cilag) is an immunosuppressant medication given to reduce acute rejection in people with organ transplants. [1] [2] It is a monoclonal antibody targeted at the CD3 receptor, [3] a membrane protein on the surface of T cells.
Ciclosporin is used in the treatment of acute rejection reactions, but has been increasingly substituted with newer, and less nephrotoxic, [7] immunosuppressants. Calcineurin inhibitors and azathioprine have been linked with post-transplant malignancies and skin cancers in organ transplant recipients.
Daclizumab was approved and used to prevent acute rejection of kidney transplant, along with cyclosporine and corticosteroids. [9] For that indication, side effects with a frequency of at least 10% included sleeplessness, tremor, headache, arterial hypertension, dyspnoea, gastrointestinal side effects and oedema.
[2] [19] Adults are significantly likely to suffer from hyperacute rejection, [1] thrombosis, or death, but could be considered to be an acceptable risk if the alternative is death. [6] In the case of ABOi renal transplantation, aggressive antibody removal is required, along with supplemental medication, with the resulting condition being ...
Diffuse alveolar damage (DAD): an acute lung condition with the presence of hyaline membranes. [2] These hyaline membranes are made up of dead cells, surfactant , and proteins. [ 1 ] The hyaline membranes deposit along the walls of the alveoli, where gas exchange typically occurs, thereby making gas exchange difficult.