Alloimmunization in Chinese with warm autoimmune haemolytic anaemia - incidence and characteristics. 2000

C C So, and K F Wong, and P H Yu, and A M Kwan, and A W Lee
Department of Pathology, Queen Elizabeth Hospital, Hong Kong, China. jason.so@switzerland.com

We perform a retrospective study to determine the incidence and characteristics of alloimmunization in Chinese patients with warm autoimmune haemolytic anaemia. Among 67 patients studied, clinically significant alloantibodies were found in only eight patients, giving a rate of alloimmunization of 11.3%. The latter contrasts with the much higher rate reported in the Western population. This probably reflects the genetic homogeneity in Chinese with respect to the red cell phenotype. The alloimmunization rate, however, is still significant and therefore comprehensive pretransfusion testing is required for Chinese patients with warm autoantibodies so as to safeguard patient's safety.

UI MeSH Term Description Entries
D007114 Immunization Deliberate stimulation of the host's immune response. ACTIVE IMMUNIZATION involves administration of ANTIGENS or IMMUNOLOGIC ADJUVANTS. PASSIVE IMMUNIZATION involves administration of IMMUNE SERA or LYMPHOCYTES or their extracts (e.g., transfer factor, immune RNA) or transplantation of immunocompetent cell producing tissue (thymus or bone marrow). Immunologic Stimulation,Immunostimulation,Sensitization, Immunologic,Variolation,Immunologic Sensitization,Immunological Stimulation,Sensitization, Immunological,Stimulation, Immunologic,Immunizations,Immunological Sensitization,Immunological Sensitizations,Immunological Stimulations,Sensitizations, Immunological,Stimulation, Immunological,Stimulations, Immunological,Variolations
D007518 Isoantibodies Antibodies from an individual that react with ISOANTIGENS of another individual of the same species. Alloantibodies
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D001787 Blood Group Incompatibility An antigenic mismatch between donor and recipient blood. Antibodies present in the recipient's serum may be directed against antigens in the donor product. Such a mismatch may result in a transfusion reaction in which, for example, donor blood is hemolyzed. (From Saunders Dictionary & Encyclopedia of Laboratory Medicine and Technology, 1984). ABO Compatibility,ABO Incompatibility,Blood Group ABO Incompatibility,Blood Type Incompatibility,Rh Compatibility,Rh Incompatibility,ABO Compatibilities,ABO Incompatibilities,Blood Group Incompatibilities,Blood Type Incompatibilities,Compatibility, ABO,Compatibility, Rh,Incompatibilities, Blood Group,Incompatibility, ABO,Incompatibility, Blood Group,Incompatibility, Blood Type,Incompatibility, Rh,Rh Compatibilities,Rh Incompatibilities
D001788 Blood Grouping and Crossmatching Testing erythrocytes to determine presence or absence of blood-group antigens, testing of serum to determine the presence or absence of antibodies to these antigens, and selecting biocompatible blood by crossmatching samples from the donor against samples from the recipient. Crossmatching is performed prior to transfusion. Blood Typing,Crossmatching, Blood,Blood Grouping,Blood Crossmatching,Grouping, Blood,Typing, Blood
D003298 Coombs Test A test to detect non-agglutinating ANTIBODIES against ERYTHROCYTES by use of anti-antibodies (the Coombs' reagent.) The direct test is applied to freshly drawn blood to detect antibody bound to circulating red cells. The indirect test is applied to serum to detect the presence of antibodies that can bind to red blood cells. Anti-Human Globulin Consumption Test,Antiglobulin Consumption Test,Antiglobulin Test,Coombs' Test,Antihuman Globulin Consumption Test,Direct Antiglobulin Test,Direct Coombs Test,Indirect Antiglobulin Test,Indirect Coombs Test,Anti Human Globulin Consumption Test,Antiglobulin Consumption Tests,Antiglobulin Test, Direct,Antiglobulin Test, Indirect,Antiglobulin Tests,Antiglobulin Tests, Direct,Antiglobulin Tests, Indirect,Consumption Test, Antiglobulin,Consumption Tests, Antiglobulin,Coomb Test,Coomb's Test,Coombs Test, Direct,Coombs Test, Indirect,Direct Antiglobulin Tests,Indirect Antiglobulin Tests,Test, Antiglobulin,Test, Antiglobulin Consumption,Test, Coombs,Test, Coombs',Test, Direct Antiglobulin,Test, Direct Coombs,Test, Indirect Antiglobulin,Test, Indirect Coombs,Tests, Antiglobulin,Tests, Antiglobulin Consumption,Tests, Direct Antiglobulin,Tests, Indirect Antiglobulin
D005260 Female Females
D006723 Hong Kong The former British crown colony located off the southeast coast of China, comprised of Hong Kong Island, Kowloon Peninsula, and New Territories. The three sites were ceded to the British by the Chinese respectively in 1841, 1860, and 1898. Hong Kong reverted to China in July 1997. The name represents the Cantonese pronunciation of the Chinese xianggang, fragrant port, from xiang, perfume and gang, port or harbor, with reference to its currents sweetened by fresh water from a river west of it. Kowloon,New Territories,Hongkong
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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