Anemia, Hemolytic, Cold Antibody

National Organization for Rare Disorders, Inc.

Important
It is possible that the main title of the report Anemia, Hemolytic, Cold Antibody is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.

Synonyms

  • Anemia, Autoimmune Hemolytic
  • Cold Agglutinin Disease
  • Cold Antibody Disease

Disorder Subdivisions

  • None

General Discussion

Cold antibody hemolytic anemia (CAHA) is a rare autoimmune disorder characterized by the premature destruction of red blood cells (rbcs) by the body's natural defenses against invading organisms (antibodies). Normally, the red blood cells have a life span of approximately 120 days before they are destroyed by the spleen. In individuals with CAHA, the red blood cells are destroyed prematurely and the rate of production of new cells in the bone marrow can no longer compensate for their loss. The severity of the anemia is determined by the length of time that the red blood cells survive and by the rate at which the bone marrow continues to create new red blood cell production.

The immune hemolytic anemias are classified according to the optimal temperature at which the antibodies act to destroy red blood cells. As their names imply, cold antibody hemolytic anemia occurs at temperatures of approximately 0 to 10 degrees centigrade, while warm antibody hemolytic anemia (WAHA) occurs at temperatures of 37 degrees centigrade or higher.

In most cases, CAHA is a primary disorder that typically becomes apparent at 50 to 60 years of age. Symptoms and findings associated with the disorder may include fatigue; low levels of circulating red blood cells (anemia); persistent yellowing of the skin, mucous membranes, and whites of the eyes (jaundice); and/or sweating and coldness of the fingers and/or toes (digits) and uneven bluish or reddish discoloration of the skin of the digits, ankles, and wrists (acrocyanosis or Raynaud's sign).

Cold antibody hemolytic anemia may also occur as a secondary disorder in association with a number of different underlying disorders such as certain infectious diseases (e.g., mycoplasma infection, mumps, cytomegalovirus, infectious mononucleosis), immunoproliferative diseases (e.g., non-Hodgkin's lymphoma, chronic lymphocytic leukemia), or connective tissue disorders (e.g., systemic lupus erythematosus). Although CAHA is known to be an autoimmune disorder, its exact underlying cause is not fully understood.

Resources

March of Dimes Birth Defects Foundation
1275 Mamaroneck Avenue
White Plains, NY 10605
Tel: (914)997-4488
Fax: (914)997-4763
Tel: (888)663-4637
Email: Askus@marchofdimes.com
Internet: http://www.marchofdimes.com

American Autoimmune Related Diseases Association, Inc.
22100 Gratiot Avenue
Eastpointe, MI 48021
Tel: (586)776-3900
Fax: (586)776-3903
Tel: (800)598-4668
Email: aarda@aarda.org
Internet: http://www.aarda.org/

NIH/National Heart, Lung and Blood Institute Information Center
P.O. Box 30105
Bethesda, MD 20824-0105
Tel: (301)592-8573
Fax: (301)251-1223
Email: nhlbiinfo@rover.nhlbi.nih.gov

Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
Tel: (301)251-4925
Fax: (301)251-4911
Tel: (888)205-2311
TDD: (888)205-3223
Email: ordr@od.nih.gov
Internet: http://rarediseases.info.nih.gov/Default.aspx

Cold Agglutinin Disease E-Support
c/o Betty Usdan
146 Greens Rd.
Hollywood, FL 33021
Tel: (954)961-2703
Fax: (954)961-2703
Internet: http://www.coldagglutinindisease.org

AutoImmunity Community
Tel: (919) 552-9057
Email: bandrews@autoimmunitycommunity.org
Internet: http://autoimmunitycommunity.org

For a Complete Report

For a Complete Report

This is an abstract of a report from the National Organization for Rare Disorders, Inc. ® (NORD). A copy of the complete report can be obtained for a small fee by visiting the NORD website. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational treatments (if available), and references from medical literature. For a full-text version of this topic, see http://www.rarediseases.org/search/rdblist.html

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