Long-Term Outcomes of BAV-0 Patients Compared With BAV-1 and TAV Patients After TAVR

Weiya Li, Yuheng Jia, Hongde Li, Yusuke Kobari, Junli Li, Yuan Feng, Yong Peng, Jiafu Wei, Zhengang Zhao, Tianyuan Xiong, Haoran Yang, Chengxiang Song, Wenhua Lei, Shiqin Peng, Yue Yin, Xuechen Qiao, Duolao Wang, Won Keun Kim, Ole De Backer, Mao Chen

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Background: Differences in long-term clinical outcomes following transcatheter aortic valve replacement (TAVR) in different anatomical subtypes of aortic valve stenosis (AS), specifically tricuspid aortic valves (TAV) and bicuspid aortic valves (BAV) of types 0 (BAV-0) and 1 (BAV-1), are not well understood. Objectives: The authors sought to report and compare the long-term clinical outcomes among patients with different anatomical subtypes of AS undergoing TAVR. 

Methods: We conducted an international retrospective cohort study involving patients who underwent TAVR for severe AS at 3 large, high-volume heart centers in China, Germany, and Denmark before October 2018. Five-year follow-up ended on October 30, 2023, and the primary endpoint was all-cause mortality. 

Results: A total of 2,553 AS patients (BAV-0: n = 134; BAV-1: n = 305; TAV: n = 2,114) who underwent TAVR more than 5 years ago were included. The mean age of this cohort was 79.9 ± 6.8 years, and the median Society of Thoracic Surgeons score was 3.6% [Q1-Q3: 2.4%-5.4%]. The median follow-up time was 3.24 years (Q1-Q3: 1.25-5.00 years). At 5 years, BAV-1 (adjusted HR: 2.38 [95% CI: 1.32-4.28]; P = 0.004) and TAV (adjusted HR: 3.02 [95% CI: 1.71-5.31]; P < 0.001) had a higher risk for all-cause mortality after TAVR compared with BAV-0. BAV patients who were treated with balloon-expandable valves had a higher long-term all-cause mortality (41.7% [28.5%-52.5%] vs 23.6% [17.9%-28.8%]; HR: 1.63 [95% CI: 1.05-2.51]; P = 0.028) compared with those with self-expanding valves. 

Conclusions: Among patients with severe AS undergoing TAVR, BAV-0 was associated with a better long-term prognosis compared with TAV and BAV-1.

Original languageEnglish
Pages (from-to)1881-1892
Number of pages12
JournalJACC: Cardiovascular Interventions
Volume18
Issue number15
DOIs
Publication statusPublished - 23 Jul 2025

Keywords

  • all-cause mortality
  • aortic valve stenosis
  • bicuspid aortic valve
  • transcatheter tricuspid valve replacement

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