hemapheresis

hemapheresis /he·ma·phe·re·sis/ (he″mah-fĕ-re´sis) apheresis.

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he·ma·pher·e·sis (hm-fr-ss, hm-)

n.

See apheresis.

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hemapheresis

any procedure in which blood is withdrawn, a portion (plasma, leukocytes, platelets, etc.) is separated and retained, and the remainder is retransfused into the donor.

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hemapheresis

Apheresis Transfusion medicine Removal of whole blood from a Pt or donor, followed by separation into components, some of which are removed; the rest is returned to the Pt Indications See Cytapheresis, Hemodialysis, Leukapheresis, Plasmapheresis.

Hemapheresis, therapeutic indications

• Leukocytes in hyperleukemic leukostasis with > 100 x 10⁹/L blasts

• Platelets in thrombocytosis with > 1000 x 10⁹/L platelets, if symptomatic

• Defective RBCs, replacing them with normal RBCs, as in sickle cell anemia with crisis

• Igs causing hyperviscosity syndrome in macroglobulinemia/multiple myeloma

• Autoantibody production in myasthenia gravis, Goodpasture syndrome, SLE, factor VIII antibodies and

• Lipoproteins in Pts with homozygous familial hypercholesterolemia