RBC destruction caused by a micropore blood filter. 1982

W F Schmidt, and H C Kim, and N Tomassini, and E Schwartz

Two infants who received whole blood filtered through commercially available woven stainless steel micropore filters experienced a sudden onset of hemoglobinuria. The plasma hemoglobin level in one child was 200 mg/dL. To investigate whether filters might lead to RBC destruction, we experimentally quantitated filter-induced hemolysis using standard conditions. Our studies in vitro show that hemolysis decreases with increased speed to transfusion. Hemolysis is particularly extensive with blood stored more than 14 days, but measurable hemolysis occurs with blood stored for as little as one day.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D008297 Male Males
D008851 Micropore Filters A membrane or barrier with micrometer sized pores used for separation purification processes. Millipore Filters,Filter, Micropore,Filter, Millipore,Filters, Micropore,Filters, Millipore,Micropore Filter,Millipore Filter
D001769 Blood The body fluid that circulates in the vascular system (BLOOD VESSELS). Whole blood includes PLASMA and BLOOD CELLS.
D001793 Blood Preservation The process by which blood or its components are kept viable outside of the organism from which they are derived (i.e., kept from decay by means of a chemical agent, cooling, or a fluid substitute that mimics the natural state within the organism). Blood Preservations,Preservation, Blood,Preservations, Blood
D004912 Erythrocytes Red blood cells. Mature erythrocytes are non-nucleated, biconcave disks containing HEMOGLOBIN whose function is to transport OXYGEN. Blood Cells, Red,Blood Corpuscles, Red,Red Blood Cells,Red Blood Corpuscles,Blood Cell, Red,Blood Corpuscle, Red,Erythrocyte,Red Blood Cell,Red Blood Corpuscle
D005374 Filtration A process of separating particulate matter from a fluid, such as air or a liquid, by passing the fluid carrier through a medium that will not pass the particulates. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Filtrations
D006456 Hemoglobinuria The presence of free HEMOGLOBIN in the URINE, indicating hemolysis of ERYTHROCYTES within the vascular system. After saturating the hemoglobin-binding proteins (HAPTOGLOBINS), free hemoglobin begins to appear in the urine.
D006461 Hemolysis The destruction of ERYTHROCYTES by many different causal agents such as antibodies, bacteria, chemicals, temperature, and changes in tonicity. Haemolysis,Extravascular Hemolysis,Intravascular Hemolysis,Extravascular Hemolyses,Haemolyses,Hemolyses, Extravascular,Hemolyses, Intravascular,Hemolysis, Extravascular,Hemolysis, Intravascular,Intravascular Hemolyses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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