Washed red blood cells are red blood cells which have had most of the plasma platelets and white blood cells removed and replaced with saline or another type of preservation solution the most common reason for using washed red blood cells in transfusion medicine is to prevent the recurrence of severe allergic transfusion reactions that do not respond to medical treatment. Saline wash procedure for removal of white blood cells at blood bank part 2 duration 324 friends of thalassemics puneet kaura 1278 views. Washed 3 cell suspensions principle washing cells to be tested removes serum or plasma which may contain proteins that interfere with testing causing non specific agglutination or rouleaux formation washing also removes fibrinogen which may cause small clots the ratio of serum to cells markedly affects the sensitivity of agglutination tests. Two methods of preparing washed rbc 1 manual washing this uses 09 saline to wash rbcs by manual centrifugation this method however is much more expensive than automated washing 2 automated cell processor it uses 09 saline to wash the rbcs in a series of continues washes processing bag where rbcs and saline are added. 610 use of washed red cells submitted by obuadmin on sun 02 17 2013 2316 when a patient has experienced severe allergic reactions associated with transfusion reactions to subsequent transfusions may be prevented by the use of red cells that have been washed in sterile saline using special equipment
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