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  • Title: Estimation of transfused red cell survival using an enzyme-linked antiglobulin test.
    Author: Kickler TS, Smith B, Bell W, Drew H, Baldwin M, Ness PM.
    Journal: Transfusion; 1985; 25(5):401-5. PubMed ID: 4049483.
    Abstract:
    An enzyme-linked antiglobulin test (ELAT) method was developed to estimate survival of transfused red cells. This procedure is based on a principle analogous to that of the Ashby technique were antigenically distinct red cells are transfused and their survival studied. We compared the ELAT survival to the 51Chromium method (51Cr) in four patients. Three patients with hypoproliferative anemias showed T 1/2 by ELAT of 17.5, 18, and 17 days versus 18.5, 20, and 19 days by the 51Cr method. A fourth patient with traumatic cardiac hemolysis had two studies performed. In this case, the ELAT showed a T 1/2 of 10 and 8.1 days while 51Cr T 1/2 values were 11 and 10.5 days. The ELAT method for measuring red cell survival yielded data which agreed closely with the results of the 51Cr method. Although 51Cr is the accepted method for red cell survival, the ELAT method can be used to estimate transfused red cell survival.
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