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血液成分输血有针对性强、效果好、副作用少、增加供血量和节约血源等优点。据报道1980年发达国家的成分输血已达到了70～80%。血浆成分除用Cohn法制备的第Ⅰ～Ⅴ五个组分外,已发展转铁蛋白、触珠蛋白、铜蓝蛋白等蛋白制剂20余种,正在试用的有10余种。国内七十年代以来,除输红、白细胞及血小板悬液外,增加了代浆血制品及洗涤红细胞。冷冻红细胞尚处于临床试用阶段。此外,从白细胞中制备转移因子和α-干扰素,血小板中制备血小板β-球蛋白、PF_4、血小板反应蛋白;红细胞中制备血卟啉、血红蛋白溶液及珠蛋白和某些酶类物质。血浆成分方面,除冻干血浆外,目前已能从血浆中分离的血浆蛋白成分如白蛋白、各种免疫球蛋白、纤维蛋白原、抗血友病球蛋
Blood components of blood transfusion targeted, good effect, less side effects, increase blood supply and save blood and other advantages. It has been reported that the blood transfusion in developed countries in 1980 reached 70-80%. In addition to the Cohn method using the first component Ⅰ ~ Ⅴ five components, the transferrin, haptoglobin, ceruloplasmin and other protein preparations more than 20 species are being tested there are more than 10 species. Since the seventies of the country, in addition to losing red, white blood cells and platelet suspension, an increase of plasma products and washed red blood cells. Frozen red blood cells are still in clinical trial stage. In addition, transfer factor and alpha-interferon are prepared from leukocytes, platelet beta-globulin, PF_4 and thrombospondin are prepared in platelets; hematoporphyrin, hemoglobin solution and globin and certain enzymes are prepared in erythrocytes. Plasma components, in addition to freeze-dried plasma, plasma proteins have been isolated from the plasma components such as albumin, a variety of immunoglobulins, fibrinogen, anti-hemophilia globulin