- 期刊
Technical Characteristics and Feasibility of Coronary Angiography and Percutaneous Coronary Interventions Performed after Transcatheter Aortic Valve Replacement with Self-Expanding Valves
摘要
Background: Coronary angiography (CA) or percutaneous coronary intervention (PCI) after transcatheter aortic valve replacement (TAVR) may become technically challenging after implantation of the self-expanding Medtronic CoreValve (MCV) device, which extends above the coronary ostia. The aim of this study was to investigate the incidence and feasibility of CA or PCI and the outcomes of PCI after TAVR with the MCV device. Methods: From July 2014 to April 2020, among 209 patients treated with TAVR with a MCV device, 14 (7%) underwent CA or PCI after the procedure at a mean duration of 28 ± 15 months at our institution. Results: The mean age of the patients was 83 ± 6 years. Thirteen (93%) patients underwent CA due to angina symptoms with a positive noninvasive test, and 1 underwent CA for acute coronary syndrome. Most of the CA and PCI procedures were performed through a radial approach: 11 patients (79%) via the right radial artery, 1 (7%) the left radial artery, and 2 (14%) through the right femoral artery. CA of the left and right coronary arteries was successfully achieved in 13 patients (93%) with Judkin left (3.5 to 5) diagnostic catheters and in 11 patients (79%) with Judkin right (4) diagnostic catheters. The second-line catheter of choice was the Amplatz left (AL) 1 catheter for the right coronary artery and AL 2 for the left coronary artery. Procedural success was achieved in all 5 patients who underwent post-TAVR PCI without procedural or in-hospital complications. The use of a Guideliner microcatheter facilitated stent delivery in one patient. Conclusions: Coronary angiography or PCI following TAVR with a MCV device is feasible and safe, but requires understanding of the three-dimensional geometry of the prosthetic valve and its relationship to the coronary ostia.
延伸閱讀
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