Pediatric Cold Agglutinin Disease Treatment & Management
- Author: James L Harper, MD; Chief Editor: Max J Coppes, MD, PhD, MBA more...
Medical Care
Treatment of cold agglutinin disease depends on severity of the disease and presence of an underlying cause.
In children, cold agglutinin disease is usually mild and self-limited, requiring little, if any, intervention.
Supportive care measures include avoiding exposure to cold and judicious use of RBC transfusions. RBC transfusion is indicated in acute severe disease. Compatibility testing is performed using the techniques described above to minimize the interference caused by the cold agglutinin (see Workup). Blood warmers are used to perform the transfusion at 37ºC.
The response to transfused RBCs may be transient but can result in significant improvement in an acutely ill patient.
Viral infections, such as Epstein-Barr virus (EBV), cytomegalovirus (CMV), and the mumps, are usually self-limited. Causes such as mycoplasma infection, systemic autoimmune disease, or lymphoproliferative disease must be treated.
Prednisone therapy is seldom effective. Certain patients may respond to prednisone therapy, such as those who have the variant of cold agglutinin disease characterized by a low cold agglutinin titer and high thermal amplitude.
Plasmapheresis may serve as a temporizing measure in severe cases of acute disease.[2] Because immunoglobulin M (IgM) is confined to the intravascular space, plasmapheresis can reduce the autoantibody level; however, this reduction is very transient because of the continued production of autoantibody. The use of this procedure is very limited.
The anti-CD20 monoclonal antibody rituximab depletes B-lymphocytes and, thereby, interferes with the production of cold agglutinin. Rituximab has been studied in children with autoimmune hemolytic anemia and other immune mediated cytopenias.[3] Although it has been found to be an effective treatment for these autoimmune cytopenias, no controlled studies specific to its use in refractory cold agglutinin disease in childhood have been reported.
Berentsen et al reported good response to the combination of fludarabine and rituximab in adult patients with primary cold agglutinin disease.[4]
Surgical Care
Splenectomy is ineffective because the liver is the predominant site of hemolysis.
Consultations
Consult a hematologist and/or blood bank specialist to aid in diagnostic workup and management.
Initial care for children with cold agglutinin is to warm the patient and the fluids/blood products entering the child to minimize antibody binding. This may entail use of special rooms with independent heat and air conditioning controls, heating blankets or Bear huggers, and fluid warmers. Close cooperation with the hospital nursing staff and central supply facilitates speedy initiation of these therapies.
Activity
Patients with anemia should avoid strenuous exercise.
Prevent hypothermia and exposure to cold.
Migration to avoid winter may be advisable.
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