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When deciding replacement strategy, surgical aortic valve replacement (SAVR) vs. transcatheter aortic valve replacement (TAVR), in all cases a heart team approach is a Class I indication. TAVR is a catheter-based technology that allows for implantation of a prosthetic valve without open heart surgery, decreasing recovery time and hospital stay. Historically, the replacement strategy has been driven by patient surgical risk. Primarily due to TAVR trial design, patients were classified by their STS-PROM score into four categories: extreme surgical risk (absolute surgical contraindication), high surgical risk (STS-PROM score >8), intermediate surgical risk (STS-PROM score 4 to 8), and low surgical risk (STS-PROM score <4).

l 在决定置换策略时，无论外科主动脉瓣置换术(surgical aortic valve replacement，SAVR)还是TAVR，在所有情况下，心脏团队的方法都是I类适应症。TAVR是一种基于导管的技术，可以在不进行心脏直视手术的情况下植入人工瓣膜，缩短恢复时间和住院时间。从历史上看，置换策略一直受到患者手术风险的驱动。根据TAVR试验设计，根据STS-PROM评分将患者分为四类：极端高手术风险(绝对手术禁忌证)、高手术风险(STS-PROM评分>8)、中度手术风险(STS-PROM评分4~8)和低手术风险(STS-PROM评分<4)。

什么叫：在所有情况下，心脏团队的方法都是I类适应症。