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Organized by
Nanjing Heart Center
Asian Bifurcation Club (ABC)
Nanjing First Hospital, Nanjing Medical University
Co-organized by
Chinese Society of Cardiology (CSC)
Capacity Building and Continuing Education Center,National Health and Family Planning Commission (CBCEC)
American Society for Cardiovascular Angiography and Interventions (SCAI)
Asian Heart Society (AHS)
Contact Us
Registration Administration of Domestic Representatives
Hongjuan Peng :
+86-13913895477
Haimei Xu +86-13914736846
cbsnj@cbsmd.cn
Registration Administration of Overseas Representatives
Ling Lin : +86 (25) 52271398
+86-13951884596
cbs@cbsmd.cn
Management of Challenging Cases
Yingying Zhao :+86-13815408517
sub@cbsmd.cn
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CBS2019 Congress Secretariat, Nanjing First Hospital, Building No.9 68# Changle Road, Nanjing, China
210006
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Recommended Paper
Management of Acute Myocardial Infarction During the COVID-19 Pandemic
COVID-19 and Thrombotic or Thromboembolic Disease: Implications for Prevention, Antithrombotic Therapy, and Follow-up
CSC Expert Consensus on Principles of Clinical Management of Patients with Severe Emergent Cardiovascular Diseases during the COVID-19 Epidemic
ACC Clinical Bulletin Focuses on Cardiac Implications of Coronavirus (COVID-19)
经导管主动脉瓣置换
Original ResearchVolume 13, Issue 6, March 2020
JOURNAL：JACC Cardiovasc Interv. Article Link
M Abdelghani, M Landt, H Traboulsi et al. Keywords: access; angiography; coronary intervention; transcatheter aortic valve
OBJECTIVES - The authors sought to estimate possible interference of the Medtronic Evolut R/Pro transcatheter heart valve (THV) frame with coronary access using multislice computed tomography (MSCT) data.
BACKGROUND - Lower-risk patients undergoing transcatheter aortic valve replacement (TAVR) endure a high cumulative risk of coronary events, but coronary access can be challenging.
METHODS - In 101 patients who received an Evolut R/Pro THV, post-TAVR MSCT (performed at a median of 30 days after TAVR) was used to assess possible interference of the elements of the THV frame with coronary access.
RESULTS - The closest cell of the THV frame vertically aligned with the coronary ostium was located opposite the ostium in 58% and 63%, below the ostium in 22% and 30%, or above the ostium in 20% and 7% of left and right coronary arteries, respectively. The free sinus of Valsalva space between the THV frame and the coronary ostium was 0.45 ± 0.17 cm and 0.44 ± 0.17 cm for the left and right coronary arteries, respectively, and showed a stepwise decrease with decreasing THV size (p < 0.001). Bioprosthetic valve commissures were antianatomic (i.e., not aligned with native commissures) in 45 patients (47%), and the commissural post was overlapping a coronary ostium in 15 patients (16%). Two patients (2.0%) had a possible interference of the paravalvular sealing skirt with coronary access.
CONCLUSIONS - Using post-TAVR MSCT data, the main mechanism of potential interference of Evolut R/Pro frame with coronary access was an antianatomic commissural post overlapping the coronary ostium.
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