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Takaseya T, Itaya N, Sasaki KI, Sasaki M, Yokomizo M, Honda A, Oshita K, Azuma J, Fukumoto Y, Tayama E. Cusp overlap technique decreases paravalvular leakage in self-expandable transcatheter aortic valve replacement. Heart Vessels 2024; 39:48-56. [PMID: 37606754 DOI: 10.1007/s00380-023-02307-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 08/16/2023] [Indexed: 08/23/2023]
Abstract
The cusp overlap technique allows greater visual separation between the basal annular plane and the conduction system and decreases the permanent pacemaker implantation rate. We assessed the impact of the cusp overlap technique on conduction disturbance and paravalvular leakage after transcatheter aortic valve replacement. A total of 97 patients underwent transfemoral transcatheter aortic valve replacement with self-expandable valves at our institution from November 2018 to January 2023. The mean age of the patients was 85 years, and 23% were male. The patients were divided into two groups: the cusp overlap technique group and the non-cusp overlap technique group. We compared the clinical results between the two groups. The 30-day permanent pacemaker implantation rate was similar between the two groups (cusp overlap technique: 6.3% vs. non-cusp overlap technique: 10.2%, p = 0.48). The rate of new-onset conduction disturbance was slightly lower in the cusp overlap than non-cusp overlap technique group (18.8% vs. 34.7%, respectively; p = 0.08). The implanted valve function was similar between the two groups, but the rate of trivial or less paravalvular leakage (PVL) was significantly higher in the cusp overlap technique group on echocardiography (69% vs. 45%, p = 0.02). On multidetector computed tomography, the implantation depth at the membranous septum was significantly shorter in the cusp overlap technique group (2.0 ± 2.3 vs. 2.9 ± 1.5 mm, p = 0.02). The degree of canting was slightly smaller in the cusp overlap technique group (1.0 ± 2.2 vs. 1.7 ± 1.9 mm, p = 0.07). The relative risk of PVL equal to or greater than mild was 1.76 times higher for valve implantation without the cusp overlap technique (adjusted odds ratio, 3.74; 95% confidence interval, 1.45-9.69; p < 0.01). Transcatheter aortic valve replacement using the cusp overlap technique is associated with an optimized implantation depth, leading to fewer conduction disturbances. Optimal deployment may also maximize the radial force of self-expanding valves to reduce paravalvular leakage.
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Affiliation(s)
- Tohru Takaseya
- Division of Cardiovascular Surgery, Department of Surgery, Kurume University School of Medicine, 67 Asahi-Machi, Kurume-Shi, Fukuoka, 830-0011, Japan.
| | - Naoki Itaya
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kurume University School of Medicine, Kurume-Shi, Fukuoka, 830-0011, Japan
| | - Ken-Ichiro Sasaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kurume University School of Medicine, Kurume-Shi, Fukuoka, 830-0011, Japan
| | - Masahiro Sasaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kurume University School of Medicine, Kurume-Shi, Fukuoka, 830-0011, Japan
| | - Michiko Yokomizo
- Department of Anesthesiology, Kurume University School of Medicine, Kurume-Shi, Fukuoka, 830-0011, Japan
| | - Akihiro Honda
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kurume University School of Medicine, Kurume-Shi, Fukuoka, 830-0011, Japan
| | - Kensuke Oshita
- Department of Anesthesiology, Kurume University School of Medicine, Kurume-Shi, Fukuoka, 830-0011, Japan
| | - Junpei Azuma
- Division of Radiology, Kurume University Hospital, Kurume-Shi, Fukuoka, 830-0011, Japan
| | - Yoshihiro Fukumoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kurume University School of Medicine, Kurume-Shi, Fukuoka, 830-0011, Japan
| | - Eiki Tayama
- Division of Cardiovascular Surgery, Department of Surgery, Kurume University School of Medicine, 67 Asahi-Machi, Kurume-Shi, Fukuoka, 830-0011, Japan
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