Objective:To study the dynamic changes of plasma D dimer in patients undergoing cardiac valve replacement with mechanical prosthesis, and to guide postoperative anticoagulant therapy.
目的：研究机械瓣替换术后患者血浆D-二聚体动态变化规律，以指导术后抗凝治疗。
Objective:To study the dynamic changes of plasma D dimer in patients undergoing cardiac valve replacement with mechanical prosthesis, and to guide postoperative anticoagulant therapy.
目的：研究机械瓣替换术后患者血浆D-二聚体动态变化规律，以指导术后抗凝治疗。
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