plasmapheresis Med.
(plæzməˈfɛrɪsɪs, -fəˈriːsɪs)
Also -phoresis, † -pharesis.
[f. plasma + aphæresis; plasmaphoresis by alteration (cf. -phoresis).]
The removal of blood plasma from the body by the withdrawal of blood, its separation into plasma and cells in a centrifuge, and the reintroduction of the cells suspended in a harmless medium.
| 1920 G. H. Whipple et al. in Amer. Jrnl. Physiol. LII. 99 Bleeding a dog from a large artery and a simultaneous replacement of a red blood cell Locke's solution mixture may be called ‘plasma depletion’ or ‘plasmapharesis’. 1927 M. Bodansky Introd. Physiol. Chem. vii. 168 Reduction of the plasma proteins by plasmapharesis..results in a condition of shock. 1935 H. Sobotka in Harrow & Sherwin Textbk. Biochem. iv. 144 Experimental anemia produced by repeated withdrawal of blood or plasma (plasmaphoresis). 1943 Jrnl. Immunol. XLIV. 112 Rabbits whose protein-reserves have been reduced by plasmapheresis and a low-protein diet (carrots) show a definitely lessened capacity to produce antibodies. 1971 Nature 27 Aug. 629/2 Before and during corticosteroid⁓induced labour large samples of plasma..were obtained by plasmaphoresis from chronically implanted catheters. 1974 Passmore & Robson Compan. Med. Stud. III. li. 16/2 The donation of blood by plasmapheresis is now a major part of blood transfusion practice. The main purpose is to procure large amounts of plasma rich in specific immunoglobulins..and blood grouping reagents. |