Quality of plasma samples and BD Vacutainer Barricor tubes: Effects of centrifugation

Clinica Chimica Acta; International Journal of Clinical Chemistry
Andrea PadoanMario Plebani

Abstract

The BD Vacutainer® Barricor™ Plasma collection tube (BD Barricor) uses an innovative non-gel separation method. This study compared the plasma residual cell count (PRCC) obtained from BD Barricor and from BD PST II plasma tubes. Four BD Barricors and one BD PST II were collected from 40 donors. BD PST II was centrifuged at 1300g/10 min, while the BD Barricors were centrifuged at 1800g/10 min, 4000g/3 min, 4000g/7 min and 4000g/15 min. PRCC was evaluated measuring white blood cells (WBC), red blood cells (RBC) and Platelets (PLT) counts by Siemens ADVIA 2120. Cell-free hemoglobin was quantified by haemolysis index (HI) by Roche Cobas c501. BD PST II Median WBC, RBC and PLT counts were 0.38 (109/L), 0.0291 (1012/L) and 113.5 (109/L), respectively. Considering the BD PST II as reference, PRCC differences were expressed as median bias percentage. WBC showed a significant reduction at all the conditions (p < 0.01), being the reductions: 63.9% (1800g/10 min), 69.9% (4000g/3 min), 75.0% (4000g/7 min) and 82.7% (4000g/15 min). RBC reductions 29.7% (1800g/10 min), 33.8% (4000g/3 min), 39.6% (4000g/7 min) and 66.4 (4000g/15 min) were all significant (p < 0.01). PLT reductions were 1.6% at 1800g/10 min (p = ns), 1.2% at 4000g/3 min (p = n...Continue Reading

Citations

Feb 15, 2019·Clinical Chemistry and Laboratory Medicine : CCLM·Charlotte OrisDamien Bouvier
Sep 17, 2019·Clinical Chemistry and Laboratory Medicine : CCLM·Mario PlebaniTommaso Trenti

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