PMID: 6536660Jan 1, 1984Paper

Apheresis donor safety--changes in humoral and cellular immunity

Journal of Clinical Apheresis
Ronald G Strauss

Abstract

Modern techniques of mechanical hemapheresis have made it possible to selectively remove vast quantities of lymphocytes and plasma immunoglobulins, and the concentration of these substances in donor blood can fall below the normal range. It is feared that this may lead to immunosuppression; a condition associated in some clinical settings with infections, malignancy and autoimmune diseases. Using primary immunodeficiency diseases and induced immunodeficiency states (for example, therapeutic lymphocytapheresis, chronic thoracic duct drainage and intestinal lymphangiectasia) as models to judge competency of the immune system, it can be predicted that body defense mechanisms can become defective when serum IgG levels are less than 200 mg/dl or the blood lymphocyte count is less than 1000/microliter. However, impaired immunologic function can occur in the presence of normal quantities of these substances in the blood stream; conditions that may be related either to imbalances of immune regulatory factors or to qualitative (rather than quantitative) abnormalities of the immune system. A number of investigators have documented the losses of lymphocytes and plasma immunoglobulins incurred by donors experiencing mechanical hemapheresis...Continue Reading

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Citations

Jan 1, 1994·Journal of Clinical Apheresis·R G Strauss
Sep 29, 2011·Transfusion Medicine Reviews·Ronald G Strauss
Apr 1, 1994·Transfusion Medicine Reviews·T L Simon
Jun 16, 2015·Transfusion Medicine·Q ZhouY Cai
Nov 20, 2009·Bone·Karin AmreinHarald Dobnig
Nov 16, 2018·Blood·John M GansnerRichard M Kaufman

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