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Journal of Experimental Hematology ; (6): 1553-1558, 2018.
Article in Chinese | WPRIM | ID: wpr-689898

ABSTRACT

<p><b>OBJECTIVE</b>To study the coagulation properties the refrigerated whole blood stored at 4℃.</p><p><b>METHODS</b>Ten units of whole blood were obtained from healthy volunteer donors and stored at 4±2℃ for 21 days. Samples were collected on the day after donation and on days 2, 4, 6, 8, 10, 14 and 21 for delection including complete blood count, electrolyte, APTT, PT, Fg, blood coagulation factors, and thromboelastography(TEG).</p><p><b>RESULTS</b>The levels of Hb, WBC, Plt, sodium and potassium in each sample accorded with standard of storing whole blood. The level of Hb, WBC, Plt and Na decreased along with prolonging of storage time, while the K level increased along with prolonging of stored time, APTT and PT prolonged along with prolonging of thored time, PT>17 min at d 21, the Fg level change was no-obvious, The level of factor Ⅴ and Ⅷ decreased more than 50 % of baseline on d 6 and 4 respectively; the levels of factor Ⅱ, Ⅶ, Ⅸ, Ⅹ, Ⅺ, Ⅻ showed decreasing trend, but their levels were less than 40 % of baseline values at d 21. TEG test showed that no abnormalily of R value was found, the abnormal valnes of K and Angle were observed at d 21, the abnormal value of MA was observed at d 14.</p><p><b>CONCLUSION</b>The whole blood stored for 10 days possesses normal coagulation function showing important significance for treatment of hemorrhage from war injury and surgical openation of heart and chest.</p>

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