Blood volume expansion agent

Blood volume expansion agent refers to the agent that expand blood volume rapidly, overcoming the shock state caused by decrease in blood circulation for hemorrhage, large area burns, severe vomiting. Although glucose saline supplements blood volume, only maintain a short time. The blood products source (such as whole blood, plasma, etc.) is limited, and cannot be stored for a long time, so that it is necessary to use synthetic blood volume expansion agent. The basic requirements of Blood volume expansion agent is to maintain the blood colloid osmotic pressure, lasting effect, no toxicity, no antigenicity and heat and so on. At present the most commonly used blood volume expansion agent is dextran.