The Korean Journal of Blood Transfusion : eISSN 2383-6881 / pISSN 1226-9336

Table. 1.

Table. 1.

Comparison of (de) glycerolized red blood cells with and without prefreeze volume reduction by the removal of excess glycerol after glycerolization

 Parameters No-PFVR1 units (n=30) PFVR2 units (n=5)
Prefreeze RBC
 Volume (mL) 229.6±10.6 242.8±15.6
 Total Hb (g) 56.3±3.1 60.1±3.4
Glycerolized RBC
 Volume (mL) 644.8±36.1 287.6±21.5*
 Hematocrit (%) 30.5±1.6 70.4±4.3*
 Total Hb (g) 53.3±2.8 56.4±3.4
Deglycerolized RBC
 Volume (mL) 307.3±2.4 308.3±1.6
 Hematocrit (%) 45.3±2.5 50.8±1.7*
 Total Hb (g) 43.9±2.8 48.5±3.0*
 Plasma Hb (mg/dL) 4.4±1.9 4.5±2.1
 RBC recovery (%) 81.5±4.7 85.6±2.4
 Supernatant osmolarity (mOsm/Kg·H2O) 339.2±22.3 347.8±14.1
 Simulated transfusion (%) 0.18±0.08 0.16±0.05
 Sterility No growth No growth

No-PFVR, No prefreeze volume reduction;

PFVR, prefreeze volume reduction; RBC, red blood cells; Hb, hemoglobin.

* Data are reported as mean±SD.

* Significantly different (P<0.05, Student’s t-test) from the values obtained with prefreeze removal of excess glycerol.

Korean J Blood Transfus 2018;29:291-300 https://doi.org/10.17945/kjbt.2018.29.3.291
© 2018 Korean J Blood Transfus