leukapheresis

[loo″kah-fĕ-re´sis] the selective removal of leukocytes from withdrawn blood, which is then retransfused into the donor.

leuk·a·phe·re·sis

(lūk'ă-fĕ-rē'sis), A procedure, analogous to plasmapheresis, in which leukocytes are removed from the withdrawn blood and the remainder of the blood is retransfused into the donor. [leuko- + G. aphairesis, a withdrawal]

leukapheresis

Therapeutics The removal of blood to collect specific blood cells; plasma is returned to the body. See Apheresis Transfusion medicine The separation of leukocytes from whole blood with/without platelets with continuous or intermittent return of the RBCs and platelet- and leukocyte-poor plasma to a donor. See Cytapheresis, Hemapheresis, Plateletpheresis. Leukapheresis types
'Harvesting' leukapheresis WBCs are donated from healthy subjects to immunocompromised and leukopenic Pts, which may be effective in short-term therapy of acute infections; long-term, Pts become either immunized against the donor antigens or infected with pathogens; 10¹⁰ granulocytes are needed for adequate 'coverage' against infections; to maximize the harvest, the donor receives corticosteroids Reduction leukapheresis WBCs that compromise normal circulation are removed to temporarily relieve Sx of hyperleukemia–> 100 x 109/L; in a typical procedure, ± 6 liters of whole blood are processed to remove 5-10 x 109 WBCs

leuk·a·phe·re·sis

(lū'kă-fĕr-ē'sis) A procedure, analogous to plasmapheresis, in which leukocytes are removed from the withdrawn blood and the remainder of the blood is retransfused into the donor.
Synonym(s): leucapheresis. [leuko- + G. aphairesis, a withdrawal]

单词	leukapheresis
释义	leukapheresis Translations leukapheresis leukapheresis [loo″kah-fĕ-re´sis] the selective removal of leukocytes from withdrawn blood, which is then retransfused into the donor. leuk·a·phe·re·sis (lūk'ă-fĕ-rē'sis), A procedure, analogous to plasmapheresis, in which leukocytes are removed from the withdrawn blood and the remainder of the blood is retransfused into the donor. [leuko- + G. aphairesis, a withdrawal] leukapheresis Therapeutics The removal of blood to collect specific blood cells; plasma is returned to the body. See Apheresis Transfusion medicine The separation of leukocytes from whole blood with/without platelets with continuous or intermittent return of the RBCs and platelet- and leukocyte-poor plasma to a donor. See Cytapheresis, Hemapheresis, Plateletpheresis. Leukapheresis types 'Harvesting' leukapheresis WBCs are donated from healthy subjects to immunocompromised and leukopenic Pts, which may be effective in short-term therapy of acute infections; long-term, Pts become either immunized against the donor antigens or infected with pathogens; 10¹⁰ granulocytes are needed for adequate 'coverage' against infections; to maximize the harvest, the donor receives corticosteroids Reduction leukapheresis WBCs that compromise normal circulation are removed to temporarily relieve Sx of hyperleukemia–> 100 x 109/L; in a typical procedure, ± 6 liters of whole blood are processed to remove 5-10 x 109 WBCs leuk·a·phe·re·sis (lū'kă-fĕr-ē'sis) A procedure, analogous to plasmapheresis, in which leukocytes are removed from the withdrawn blood and the remainder of the blood is retransfused into the donor. Synonym(s): leucapheresis. [leuko- + G. aphairesis, a withdrawal]
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