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ANTONIA REEVE / SCIENCE PHOTO LIBRARY ANTONIA REEVE / SCIENCE PHOTO LIBRARY
Blood protein for transfusions. Bottles containing human serum albumin (HSA), a protein made by the liver and found in plasma, the liquid component of blood. HSA is important for transporting hormones, fatty acids and drugs around the blood. It also maintains blood pH and the concentrations of molecules in the blood (plasma volume). HSA solution is used to treat patients with liver diseases, such as cirrhosis, and hypoalbuminaemia (abnormally low blood albumin levels). The 4.5% solution of HSA is equal in concentration to that in healthy blood plasma and is often used in treating chronic disorders. The concentrated 20% solution is mainly used for severe acute cases of low plasma volumes (hypovolemic shock).
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