As citrated blood can be stored for only 3 weeks, methods for preservation of blood fractions were sought at an early date. Disregarding the excess of citrate, fresh plasma, i. e. citrated blood without erythrocytes, would theoretically be an ideal plasma replacement substance. However this form of plasma likewise can not be stored much longer than whole blood and has the same important disadvantage of transmitting hepatitis. Therefore various processes for producing stable plasma preparations with low sideeffect rate have been developed in many countries.
KeywordsVolume Effect Esophageal Varix Pool Plasma Volume Replacement Albumin Solution
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