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[Cold agglutinin disease].

R G Geissler1, J Köbberling

  • 1Medizinische Klinik des Ferdinand-Sauerbruch-Klinikums, Wuppertal.

Klinische Wochenschrift
|April 1, 1988
PubMed
Summary
This summary is machine-generated.

Cold agglutinin disease involves antibodies causing red blood cell clumping in cold temperatures, leading to anemia. While often reversible, severe cases can cause serious hemolysis.

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Area of Science:

  • Hematology
  • Immunology
  • Pathophysiology

Context:

  • Cold agglutinin disease (CAD) is a rare autoimmune hemolytic anemia.
  • Characterized by immunoglobulin M (IgM) antibodies that bind to red blood cells at low temperatures.
  • Leads to erythrocyte agglutination, acrocyanosis, and potential hemolysis.

Purpose:

  • To describe the pathophysiology and triggers of cold agglutinin disease.
  • To outline the various etiologies, including idiopathic, infectious, drug-induced, and malignancy-associated forms.
  • To discuss proposed mechanisms of cold-induced hemolysis.

Summary:

  • Cold agglutinin disease results from IgM antibodies causing red blood cell agglutination and hemolysis, triggered by cold exposure.
  • Etiologies are diverse, encompassing idiopathic, infections (e.g., Mycoplasma pneumoniae), drugs (e.g., quinidine), autoimmune disorders (e.g., SLE), and malignancies (e.g., lymphomas).

Related Experiment Videos

  • Pathophysiological explanations involve cross-reactivity, altered erythrocyte antigenicity, and antibody production variations.

    • Impact:

    • Enhances understanding of cold agglutinin disease mechanisms and associations.
    • Provides a basis for differential diagnosis and etiological investigation.
    • Informs clinical management strategies for patients with cold agglutinin disease.