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人工瓣膜根据使用材料分为两大类,一类是机械瓣;另一类是生物瓣。目前仍以机械瓣使用占多数。随着心脏瓣膜置换技术的日益成熟,以及抗凝剂的合理规范的使用,使许多患者的心功能得到了改善,即使患病需要手术治疗,也能安全渡过整个围术期。1术前处理1.1围术期危险性评估首先是对
Artificial valves according to the use of materials is divided into two categories, one is the mechanical valve; the other is the biological valve. At present, the majority of mechanical valves are still used. With the increasing maturity of heart valve replacement technology and the rational use of anticoagulants, heart function has been improved in many patients and the entire perioperative period has been safely surpassed even if the illness requires surgical treatment. A preoperative 1.1 perioperative risk assessment is first right