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随着居民生活水平的日益提高,我国心血管疾病的发病率逐年增长,现每5名成年人中就有1名心血管病患者[1]。心血管外科手术因其操作手法难度高、创面大,体外循环过程中血液被稀释、血小板被破坏等因素,导致术中和术后出血量大。所以,心脏外科手术患者的输血量居各类手术之首[2]。另一方面,近年来,血液采集的增长未能跟上临床发展的速度,造成了“血荒”的出现[3]。因此,如何加强血液管理,更为合理有效地利用血液资源,已经成为临床治
With the increasing living standard of residents, the incidence of cardiovascular diseases in our country has been increasing year by year, and 1 out of every 5 adults now has cardiovascular disease [1]. Cardiovascular surgery due to its high degree of manipulation practices, wounds, during cardiopulmonary bypass is diluted blood, platelets were destroyed and other factors, leading to intraoperative and postoperative bleeding. Therefore, the volume of blood transfusions in patients undergoing cardiac surgery ranks first among all types of surgery [2]. On the other hand, in recent years, the increase of blood collection fails to keep up with the speed of clinical development, resulting in the emergence of “blood shortage” [3]. Therefore, how to strengthen blood management and make more rational and effective use of blood resources have become clinical treatments