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1. Aortic root landmark localization with optimal transport loss for heatmap regression

Author

Ishizone, Tsuyoshi, Miyasaka, Masaki, Ochi, Sae, Tada, Norio, and Nakamura, Kazuyuki

Subjects
Computer Science - Computer Vision and Pattern Recognition, Computer Science - Artificial Intelligence, Statistics - Applications
Abstract

Anatomical landmark localization is gaining attention to ease the burden on physicians. Focusing on aortic root landmark localization, the three hinge points of the aortic valve can reduce the burden by automatically determining the valve size required for transcatheter aortic valve implantation surgery. Existing methods for landmark prediction of the aortic root mainly use time-consuming two-step estimation methods. We propose a highly accurate one-step landmark localization method from even coarse images. The proposed method uses an optimal transport loss to break the trade-off between prediction precision and learning stability in conventional heatmap regression methods. We apply the proposed method to the 3D CT image dataset collected at Sendai Kousei Hospital and show that it significantly improves the estimation error over existing methods and other loss functions. Our code is available on GitHub.

Published
2024

4. Update on Prosthesis–Patient Mismatch Following Transcatheter Aortic Valve Replacement in Asian Patients

Author

Ishizu, Kenichi, Kitano, Kazuki, Yamamoto, Ko, Hayashi, Masaomi, Shirai, Shinichi, Ohno, Nobuhisa, Kakumoto, Shinichi, Ando, Kenji, Yashima, Fumiaki, Nishina, Hidetaka, Izumo, Masaki, Asami, Masahiko, Tada, Norio, Yamawaki, Masahiro, Naganuma, Toru, Yamanaka, Futoshi, Ohno, Yohei, Ueno, Hiroshi, Noguchi, Masahiko, Mizutani, Kazuki, Takagi, Kensuke, Watanabe, Yusuke, Yamamoto, Masanori, and Hayashida, Kentaro

Published
2024
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5. Transcatheter Aortic Valve Implantation in Japanese Patients With Large Annulus: The OCEAN-TAVI Registry

Author

Onishi, Kyohei, Mizutani, Kazuki, Fujita, Kosuke, Ueno, Masafumi, Sakaguchi, Genichi, Nakazawa, Gaku, Ohno, Yohei, Yashima, Fumiaki, Naganuma, Toru, Tada, Norio, Shirai, Shinichi, Yamanaka, Futoshi, Noguchi, Masahiko, Izumo, Masaki, Takagi, Kensuke, Asami, Masahiko, Ueno, Hiroshi, Nishina, Hidetaka, Otsuka, Toshiaki, Watanabe, Yusuke, Yamamoto, Masanori, and Hayashida, Kentaro

Published
2024
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6. Pre-Existing Left Bundle Branch Block and Clinical Outcomes After Transcatheter Aortic Valve Replacement

Author

Saito, Tetsuya, Inohara, Taku, Tsuruta, Hikaru, Yashima, Fumiaki, Shimizu, Hideyuki, Fukuda, Keiichi, Ohno, Yohei, Nishina, Hidetaka, Izumo, Masaki, Asami, Masahiko, Naganuma, Toru, Mizutani, Kazuki, Yamawaki, Masahiro, Tada, Norio, Yamanaka, Futoshi, Shirai, Shinichi, Noguchi, Masahiko, Ueno, Hiroshi, Takagi, Kensuke, Watanabe, Yusuke, Yamamoto, Masanori, and Hayashida, Kentaro

Published
2024
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7. Coronary Obstruction From TAVR in Native Aortic Stenosis: Development and Validation of Multivariate Prediction Model

Author

Khan, Jaffar M., Kamioka, Norihiko, Lisko, John C., Perdoncin, Emily, Zhang, Cheng, Maini, Aneel, Chen, Mao, Li, Yijian, Ludwig, Sebastian, Westermann, Dirk, Amat Santos, Ignacio J., Kalińczuk, Łukasz, Sinning, Jan-Malte, Kawaguchi, Tomohiro, Fuku, Yasushi, Cheema, Asim N., Félix-Oliveira, Afonso, Yamamoto, Masanori, Kagase, Ai, Codner, Pablo, Valle, Raquel del, Iyer, Vijay S., Kim, Hyo-Soo, Lin, Mao-Shin, Maini, Brijeshwar, Rodriguez, Roberto, Montorfano, Matteo, Ancona, Marco B., Tada, Norio, Miyasaka, Masaki, Ahmad, Hasan, Ruggiero, Nicholas J., Torguson, Rebecca, Ben-Dor, Itsik, Shults, Christian C., Weissman, Gaby, Lederman, Robert J., Greenbaum, Adam B., Babaliaros, Vasilis C., Waksman, Ron, and Rogers, Toby

Published
2023
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9. Incidence, Timing, and Causes of Late Bleeding After TAVR in an Asian Cohort

Author

Yamamoto, Masanori, Otsuka, Toshiaki, Shimura, Tetsuro, Yamaguchi, Ryo, Adachi, Yuya, Kagase, Ai, Tokuda, Takahiro, Tsujimoto, Satoshi, Koyama, Yutaka, Yashima, Fumiaki, Tada, Norio, Naganuma, Toru, Yamawaki, Masahiro, Yamanaka, Futoshi, Shirai, Shinichi, Mizutani, Kazuki, Tabata, Minoru, Ueno, Hiroshi, Takagi, Kensuke, Watanabe, Yusuke, and Hayashida, Kentaro

Published
2022
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11. Long‐term prognostic value of the H2FPEF score in patients undergoing transcatheter aortic valve implantation.

Author

Ishizu, Kenichi, Shirai, Shinichi, Isotani, Akihiro, Hayashi, Masaomi, Tabata, Hiroyuki, Ohno, Nobuhisa, Kakumoto, Shinichi, Ando, Kenji, Yashima, Fumiaki, Tada, Norio, Yamawaki, Masahiro, Naganuma, Toru, Yamanaka, Futoshi, Ueno, Hiroshi, Tabata, Minoru, Mizutani, Kazuki, Takagi, Kensuke, Watanabe, Yusuke, Yamamoto, Masanori, and Hayashida, Kentaro

Subjects
HEART valve diseases, AORTIC stenosis, AORTIC valve, HEART failure, PROGNOSIS, VENTRICULAR ejection fraction
Abstract

Aims: A considerable proportion of candidates for transcatheter aortic valve implantation (TAVI) have underlying heart failure (HF) with preserved ejection fraction (HFpEF), which can be challenging for diagnosis because significant valvular heart disease should be excluded before diagnosing HFpEF. This study investigated the long‐term prognostic value of the pre‐procedural H2FPEF score in patients with preserved ejection fraction (EF) undergoing TAVI. Methods and results: Patients who underwent TAVI between October 2013 and May 2017 were enrolled from the Optimized CathEter vAlvular iNtervention–Transcatheter Aortic Valve Implantation Japanese multicentre registry. After excluding 914 patients, 1674 patients with preserved EF ≥ 50% (median age: 85 years, 72% female) were selected for calculation of the H2FPEF score and were dichotomized into two groups: the low H2FPEF score [0–5 points; n = 1399 (83.6%)] group and the high H2FPEF score [6–9 points; n = 275 (16.4%)] group. Patients with high H2FPEF scores were associated with a higher prevalence of New York Heart Association Functional Class III/IV (59.3% vs. 43.7%, P < 0.001), diabetes (24.4% vs. 18.5%, P = 0.03), and paradoxical low‐flow, low‐gradient aortic stenosis (15.9% vs. 6.2%, P < 0.001). These patients showed worse prognoses than those with low H2FPEF scores regarding the cumulative 2 year all‐cause mortality (26.3% vs. 15.5%, log‐rank P < 0.001), cardiovascular mortality (10.5% vs. 5.4%, log‐rank P < 0.001), HF hospitalization (16.2% vs. 6.7%, log‐rank P < 0.001), and the composite endpoint of cardiovascular mortality and HF hospitalization (23.8% vs. 10.8%, log‐rank P < 0.001). After adjustment for several confounders, the high H2FPEF scores were independently associated with increased risk for all‐cause mortality [adjusted hazard ratio (HR), 1.48; 95% confidence interval (CI), 1.09–2.00; P = 0.011] and for the composite endpoint of cardiovascular mortality and HF hospitalization (adjusted HR, 1.95; 95% CI, 1.38–2.74; P < 0.001). Subgroup analysis confirmed the excess risk of high H2FPEF scores relative to low H2FPEF scores for the composite endpoint of cardiovascular mortality and HF hospitalization increased with a lower Society of Thoracic Surgeons (STS) score (STS score <8%: adjusted HR, 2.40; 95% CI, 1.50–3.85; P < 0.001; STS score ≥8%: adjusted HR, 1.34; 95% CI, 0.79–2.28; P = 0.28; Pinteraction = 0.030). Conclusions: The H2FPEF score is useful for predicting long‐term adverse outcomes after TAVI, including all‐cause mortality, cardiovascular mortality, and HF hospitalization for patients with preserved EF. More aggressive interventions targeting HFpEF in addition to the TAVI procedure might be relevant in patients with high H2FPEF scores, particularly in those with a lower surgical risk. [ABSTRACT FROM AUTHOR]

Published
2024
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12. Direct Oral Anticoagulants Versus Vitamin K Antagonists in Patients With Atrial Fibrillation After TAVR

Author

Kawashima, Hideyuki, Watanabe, Yusuke, Hioki, Hirofumi, Kozuma, Ken, Kataoka, Akihisa, Nakashima, Makoto, Nagura, Fukuko, Nara, Yugo, Yashima, Fumiaki, Tada, Norio, Naganuma, Toru, Yamawaki, Masahiro, Yamanaka, Futoshi, Shirai, Shinichi, Mizutani, Kazuki, Tabata, Minoru, Ueno, Hiroshi, Takagi, Kensuke, Yamamoto, Masanori, and Hayashida, Kentaro

Published
2020
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13. Midterm outcomes of transcatheter aortic valve replacement in patients with active cancer

Author

Noguchi, Masahiko, primary, Tabata, Minoru, additional, Ito, Joji, additional, Kato, Nahoko, additional, Obunai, Kotaro, additional, Watanabe, Hiroyuki, additional, Yashima, Fumiaki, additional, Watanabe, Yusuke, additional, Naganuma, Toru, additional, Yamawaki, Masahiro, additional, Yamanaka, Futoshi, additional, Shirai, Shinichi, additional, Ueno, Hiroshi, additional, Tada, Norio, additional, Yamamoto, Masanori, additional, and Hayashida, Kentaro, additional

Published
2024
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17. Incidence, Predictors, and Clinical Impact of Prosthesis–Patient Mismatch Following Transcatheter Aortic Valve Replacement in Asian Patients: The OCEAN-TAVI Registry

Author

Miyasaka, Masaki, Tada, Norio, Taguri, Masataka, Kato, Shigeaki, Enta, Yusuke, Otomo, Tatsushi, Hata, Masaki, Watanabe, Yusuke, Naganuma, Toru, Araki, Motoharu, Yamanaka, Futoshi, Shirai, Shinichi, Ueno, Hiroshi, Mizutani, Kazuki, Tabata, Minoru, Higashimori, Akihiro, Takagi, Kensuke, Yamamoto, Masanori, and Hayashida, Kentaro

Published
2018
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18. Clinical Implication of Supra-Normal Left Ventricular Ejection Fraction in Patients Undergoing Transcatheter Aortic Valve Replacement.

Author

Imamura, Teruhiko, Hida, Yuki, Ueno, Hiroshi, Kinugawa, Koichiro, Yashima, Fumiaki, Tada, Norio, Yamawaki, Masahiro, Shirai, Shinichi, Naganuma, Toru, Yamanaka, Futoshi, Noguchi, Masahiko, Mizutani, Kazuki, Takagi, Kensuke, Watanabe, Yusuke, Yamamoto, Masanori, Asami, Masahiko, Izumo, Masaki, Ohno, Yohei, Nishida, Hidetaka, and Hayashida, Kentaro

Subjects
VENTRICULAR ejection fraction, HEART failure, HEART valve prosthesis implantation, NATRIURETIC peptides, AORTIC stenosis
Abstract

Background: Individuals with heart failure displaying supra-normal left ventricular ejection fraction (snLVEF) may exhibit less favorable clinical outcomes in contrast to their counterparts with normal left ventricular ejection fraction (nLVEF). The distinctive characteristics and mid-term prognosis of individuals with severe aortic stenosis and snLVEF following transcatheter aortic valve replacement (TAVR) remain enigmatic. Methods: Among 7393 patients diagnosed with severe aortic stenosis who underwent TAVR between 2013 and 2019 and were enlisted in the optimized transcatheter valvular intervention (OCEAN-TAVI) multicenter registry (UMIN000020423), we selected patients with left ventricular ejection fraction (LVEF) ≥ 50%. snLVEF was defined as LVEF exceeding 65%. We compared the baseline characteristics and assessed three-year post-TAVR mortality and heart failure readmission rates between the snLVEF (LVEF > 65%) and nLVEF cohorts (LVER 50–65%). Results: Our study cohort comprised 5989 patients (mean age 84.4 ± 5.1 years and 1783 males). Among these, 2819 patients were categorized within the snLVEF cohort, while the remaining 3170 were allocated to the nLVEF group. Individuals within the snLVEF cohort were more likely to be female and displayed lower levels of natriuretic peptides, as well as smaller left ventricular dimensions in comparison to their nLVEF counterparts (p < 0.05 for all). The presence of snLVEF emerged as an independent predictor of the three-year composite endpoint relative to nLVEF, with an adjusted hazard ratio of 1.16 (95% confidence interval 1.02–1.31, p = 0.023) after accounting for several potential confounding factors. Conclusions: snLVEF was relatively common among candidates for TAVR with preserved ejection fraction. Patients harboring snLVEF appear to manifest a distinctive clinical profile and encounter less favorable clinical outcomes following TAVR in contrast to those characterized by nLVEF. [ABSTRACT FROM AUTHOR]

Published
2023
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20. 3-Year Outcomes After Transcatheter or Surgical Aortic Valve Replacement in Low-Risk Patients With Aortic Stenosis

Author

Forrest, John K., primary, Deeb, G. Michael, additional, Yakubov, Steven J., additional, Gada, Hemal, additional, Mumtaz, Mubashir A., additional, Ramlawi, Basel, additional, Bajwa, Tanvir, additional, Teirstein, Paul S., additional, DeFrain, Michael, additional, Muppala, Murali, additional, Rutkin, Bruce J., additional, Chawla, Atul, additional, Jenson, Bart, additional, Chetcuti, Stanley J., additional, Stoler, Robert C., additional, Poulin, Marie-France, additional, Khabbaz, Kamal, additional, Levack, Melissa, additional, Goel, Kashish, additional, Tchétché, Didier, additional, Lam, Ka Yan, additional, Tonino, Pim A.L., additional, Ito, Saki, additional, Oh, Jae K., additional, Huang, Jian, additional, Popma, Jeffrey J., additional, Kleiman, Neal, additional, Reardon, Michael J., additional, Sorajja, Paul, additional, Byrne, Timothy, additional, Kirshner, Merick, additional, Crouch, John, additional, Coselli, Joseph, additional, Silva, Guilherme, additional, Hebeler, Robert, additional, Stoler, Robert, additional, Islam, Ashequl, additional, Rousou, Anthony, additional, Bladergroen, Mark, additional, Fail, Peter, additional, Netherland, Donald, additional, Tonino, W.A.L., additional, Sudre, Arnaud, additional, Berthoumieu, Pierre, additional, Khalili, Houman, additional, Hughes, G. Chad, additional, Harrison, J Kevin, additional, De, Ajanta, additional, Tsau, Pei, additional, van Mieghem, Nicolas M., additional, Larbalestier, Robert, additional, Yong, Gerald, additional, Agarwal, Shikhar, additional, Martin, William, additional, Park, Steven, additional, Reardon, Michael, additional, Mohammadi, Siamak, additional, Rodes-Cabau, Josep, additional, Sparling, Jeffrey, additional, Elkins, C. Craig, additional, Ganzel, Brian, additional, Matthews, Ray V., additional, Starnes, Vaughn A., additional, Ando, Kenji, additional, Chevalier, Bernard, additional, Farge, Arnaud, additional, Combs, William, additional, Bagur, Rodrigo, additional, Chu, Michael, additional, Fontana, Gregory, additional, Dev, Visha, additional, Leya, Ferdinand, additional, Tuchek, J. Michael, additional, Inglessis, Ignacio, additional, Jassar, Arminder, additional, Piazza, Nicolo, additional, Lacappelle, Kevin, additional, Steinberg, Daniel, additional, Katz, Marc, additional, Wang, John, additional, Kozina, Joseph, additional, Slachman, Frank, additional, Merritt, Robert, additional, Jensen, Bart, additional, Alvarez, Jorge, additional, Gooley, Robert, additional, Smith, Julian, additional, Ibrahim, Reda, additional, Cartier, Raymond, additional, Rovin, Joshua, additional, Fujita, Tomoyuki, additional, Rutkin, Bruce, additional, Yakubov, Steven, additional, Song, Howard, additional, Zahr, Firas, additional, Miyagawa, Shigeru, additional, Rajagopal, Vivek, additional, Kauten, James, additional, Mumtaz, Mubashir, additional, Bhindi, Ravinay, additional, Brady, Peter, additional, Batra, Sanjay, additional, Davis, Thomas, additional, Iskander, Ayman, additional, Heimansohn, David, additional, Hermiller, James, additional, Takamisawa, Itaru, additional, Haldis, Thomas, additional, Yamazaki, Seiji, additional, Teirstein, Paul, additional, Tada, Norio, additional, Saito, Shigeru, additional, Merhi, William, additional, Leung, Stephane, additional, Muller, David, additional, Heijmen, Robin, additional, Petrossian, George, additional, Robinson, Newell, additional, Knight, Peter, additional, Ling, Frederick, additional, Radhakrishnan, Sam, additional, Fremes, Stephen, additional, Lehr, Eric, additional, Gafoor, Sameer, additional, Noel, Thomas, additional, Walton, Antony, additional, Resar, Jon, additional, Adams, David, additional, Sharma, Samin, additional, Lilly, Scott, additional, Tadros, Peter, additional, Zorn, George, additional, Dauerman, Harold, additional, Ittleman, Frank, additional, Horlick, Erik, additional, Feindel, Chris, additional, Welt, Frederick, additional, Sharma, Vikas, additional, Markowitz, Alan, additional, Carroll, John, additional, Fullerton, David, additional, Griffith, Bartley, additional, Gupta, Anuj, additional, de Marchena, Eduardo, additional, Salerno, Tomas, additional, Chetcuti, Stanley, additional, Sultan, Ibrahim, additional, Pasupati, Sanjeevan, additional, Kon, Neal, additional, Zhao, David, additional, and Forrest, John, additional

Published
2023
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23. No Antithrombotic Therapy After Transcatheter Aortic Valve Replacement

Author

Kobari, Yusuke, primary, Inohara, Taku, additional, Tsuruta, Hikaru, additional, Yashima, Fumiaki, additional, Shimizu, Hideyuki, additional, Fukuda, Keiichi, additional, Naganuma, Toru, additional, Mizutani, Kazuki, additional, Yamawaki, Masahiro, additional, Tada, Norio, additional, Yamanaka, Futoshi, additional, Shirai, Shinichi, additional, Tabata, Minoru, additional, Ueno, Hiroshi, additional, Takagi, Kensuke, additional, Watanabe, Yusuke, additional, Yamamoto, Masanori, additional, and Hayashida, Kentaro, additional

Published
2023
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24. Detection of left coronary ostial obstruction during transcatheter aortic valve replacement by coronary flow velocity measurement in the left main trunk by intraoperative transesophageal echocardiography

Author

Nomura, Takehiro, primary, Teruo, Inoue, additional, Miyasaka, Masaki, additional, Hirose, Suguru, additional, Enta, Yusuke, additional, Ishii, Kazunori, additional, Nakashima, Masaki, additional, Saigan, Makoto, additional, Toki, Yusuke, additional, Sakurai, Mie, additional, Munehisa, Yoshiko, additional, Hata, Masaki, additional, Taguri, Masataka, additional, Toyoda, Shigeru, additional, and Tada, Norio, additional

Published
2023
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27. Edoxaban vs. Vitamin K Antagonist for Atrial Fibrillation After Transcatheter Aortic Valve Replacement in Japanese Patients ― A Subanalysis of the ENVISAGE-TAVI AF Trial ―

Author

Watanabe, Yusuke, primary, Hayashida, Kentaro, additional, Yamamoto, Masanori, additional, Yamanaka, Futoshi, additional, Yamasaki, Kazumasa, additional, Naganuma, Toru, additional, Ohno, Yohei, additional, Yamawaki, Masahiro, additional, Morioka, Nobuyuki, additional, Mizutani, Kazuki, additional, Tada, Norio, additional, Ueno, Hiroshi, additional, Nishina, Hidetaka, additional, Izumo, Masaki, additional, Nakajima, Yoshifumi, additional, Ando, Kenji, additional, Takagi, Kensuke, additional, Kimura, Tetsuya, additional, Sugio, Kumiko, additional, Dangas, George, additional, Van Mieghem, Nicolas M, additional, Hengstenberg, Christian, additional, Chen, Cathy, additional, Jin, James, additional, Unverdorben, Martin, additional, and Saito, Shigeru, additional

Published
2022
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28. Delivery balloon volume positively correlates with the diameter and effective orifice area of implanted SAPIEN 3

Author

Nomura, Takehiro, primary, Miyasaka, Masaki, additional, Nakashima, Masaki, additional, Saigan, Makoto, additional, Inoue, Arata, additional, Enta, Yusuke, additional, Toki, Yusuke, additional, Ishii, Kazunori, additional, Sakurai, Mie, additional, Munehisa, Yoshiko, additional, Ito, Jun, additional, Hata, Masaki, additional, Taguri, Masataka, additional, and Tada, Norio, additional

Published
2022
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31. Abstract 17841: Elevation of N-Terminal Pro-B-Type Natriuretic Peptide at Discharge is Associated With 2-Year Composite Endpoint of All-Cause Mortality and Heart Failure Hospitalization After Transcatheter Aortic Valve Replacement: Insights From a Multicenter Prospective OCEAN-TAVI Registry

Author

Mizutani, Kazuki, Hara, Masahiko, Okai, Tsukasa, Kajio, Keiko, Murakami, Takashi, Shibata, Toshihiko, Yoshiyama, Minoru, Naganuma, Toru, Yamanaka, Futoshi, Higashimori, Akihiro, Tada, Norio, Takagi, Kensuke, Araki, Motoharu, Ueno, Hiroshi, Tabata, Minoru, Shirai, Shinichi, Watanabe, Yusuke, Yamamoto, Masanori, and Hayashida, Kentaro

Published
2017

32. Gait Speed Can Predict Advanced Clinical Outcomes in Patients Who Undergo Transcatheter Aortic Valve Replacement: Insights From a Japanese Multicenter Registry

Author

Kano, Seiji, Yamamoto, Masanori, Shimura, Tetsuro, Kagase, Ai, Tsuzuki, Masanao, Kodama, Atsuko, Koyama, Yutaka, Kobayashi, Toshihiro, Shibata, Kenichi, Tada, Norio, Naganuma, Toru, Araki, Motoharu, Yamanaka, Futoshi, Shirai, Shinichi, Mizutani, Kazuki, Tabata, Minoru, Ueno, Hiroshi, Takagi, Kensuke, Higashimori, Akihiro, Otsuka, Toshiaki, Watanabe, Yusuke, and Hayashida, Kentaro

Published
2017
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35. Predictors and clinical outcomes of poor symptomatic improvement after transcatheter aortic valve replacement

Author

Yoshijima, Nobuhiro, primary, Saito, Tetsuya, additional, Inohara, Taku, additional, Anzai, Atsushi, additional, Tsuruta, Hikaru, additional, Shimizu, Hideyuki, additional, Fukuda, Keiichi, additional, Naganuma, Toru, additional, Mizutani, Kazuki, additional, Yamawaki, Masahiro, additional, Tada, Norio, additional, Yamanaka, Futoshi, additional, Shirai, Shinichi, additional, Tabata, Minoru, additional, Ueno, Hiroshi, additional, Takagi, Kensuke, additional, Watanabe, Yusuke, additional, Yamamoto, Masanori, additional, and Hayashida, Kentaro, additional

Published
2021
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36. Academic Research Consortium High Bleeding Risk Criteria associated with 2-year bleeding events and mortality after transcatheter aortic valve replacement discharge: a Japanese Multicentre Prospective OCEAN-TAVI Registry Study

Author

Mizutani, Kazuki, primary, Nakazawa, Gaku, additional, Yamaguchi, Tomohiro, additional, Ogawa, Mana, additional, Okai, Tsukasa, additional, Yashima, Fumiaki, additional, Naganuma, Toru, additional, Yamanaka, Futoshi, additional, Tada, Norio, additional, Takagi, Kensuke, additional, Yamawaki, Masahiro, additional, Ueno, Hiroshi, additional, Tabata, Minoru, additional, Shirai, Shinichi, additional, Watanabe, Yusuke, additional, Yamamoto, Masanori, additional, and Hayashida, Kentaro, additional

Published
2021
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37. Prognostic Value of Ventricular‐Arterial Coupling After Transcatheter Aortic Valve Replacement on Midterm Clinical Outcomes

Author

Yokoyama, Hiroaki, primary, Yamanaka, Futoshi, additional, Shishido, Koki, additional, Ochiai, Tomoki, additional, Yokota, Shohei, additional, Moriyama, Noriaki, additional, Watanabe, Yusuke, additional, Shirai, Shinichi, additional, Tada, Norio, additional, Araki, Motoharu, additional, Yashima, Fumiaki, additional, Naganuma, Toru, additional, Ueno, Hiroshi, additional, Tabata, Minoru, additional, Mizutani, Kazuki, additional, Takagi, Kensuke, additional, Yamamoto, Masanori, additional, Saito, Shigeru, additional, Hayashida, Kentaro, additional, Tanaka, Makoto, additional, Tsuruta, Hikaru, additional, Hase, Hiromu, additional, Yoshijima, Nobuhiro, additional, Saito, Tetsuya, additional, Myojin, Sosuke, additional, Kobari, Yusuke, additional, Ryuzaki, Toshinobu, additional, Takahashi, Tatsuo, additional, Goto, Shinichi, additional, Imaeda, Shohei, additional, Konami, Yuta, additional, Sakata, Shingo, additional, Inohara, Taku, additional, Katsumata, Yoshinori, additional, Sago, Mitsuru, additional, Tsunaki, Tatsuya, additional, Adachi, Yuya, additional, Yamaguchi, Ryo, additional, Shimizu, Kazuki, additional, Koyama, Yutaka, additional, Shimura, Tetsuro, additional, Tsujimoto, Satoshi, additional, Kagase, Ai, additional, Kobayashi, Toshihiro, additional, Shibata, Kenichi, additional, Tokuda, Takahiro, additional, Sakakura, Tokuya, additional, Kawahata, Ryoutaku, additional, Nishio, Hiroto, additional, Hayashi, Masaomi, additional, Isotani, Akihiro, additional, Kawaguchi, Tomohiro, additional, Arai, Yoshio, additional, Taniguchi, Tomohiko, additional, Ishizu, Kenichi, additional, Fujioka, Shimpei, additional, Mori, Shintaro, additional, Morinaga, Takashi, additional, Fukunaga, Masato, additional, Tabata, Hiroyuki, additional, Kitano, Kazuki, additional, Nara, Yugo, additional, Hioki, Hirofumi, additional, Kataoka, Akihisa, additional, Kawashima, Hideyuki, additional, Nagura, Fukuko, additional, Nakashima, Makoto, additional, Yamamoto, Hirosada, additional, Yukimitsu, Nozomu, additional, Sasaki, Kazuya, additional, Takamura, Shintaro, additional, Katayama, Taiga, additional, Ito, Masaki, additional, Ishibashi, Ruri, additional, Nishikawa, Junichi, additional, Iseki, Yosei, additional, Nomura, Takahiro, additional, Tsuchida, Yasuyuki, additional, Kito, Kento, additional, Fujii, Misako, additional, Harada, Ayumi, additional, Koyano, Yasuki, additional, Mitomo, Satoru, additional, Onishi, Hirokazu, additional, Kawamoto, Hiroyoshi, additional, Yamawaki, Masahiro, additional, Honda, Yohsuke, additional, Makino, Kenji, additional, Nakano, Takahide, additional, Yamada, Chinatsu, additional, Iida, Yasunori, additional, Miyasaka, Masaki, additional, Enta, Yusuke, additional, Matsumoto, Takashi, additional, Nakashima, Masaki, additional, Munehisa, Yoshiko, additional, Inoue, Arata, additional, Ishii, Kazunori, additional, Nomura, Takehiro, additional, Saigan, Makoto, additional, Hirose, Suguru, additional, Mizuno, Shingo, additional, Yamabe, Tsuyoshi, additional, Hattori, Shigeru, additional, Yokoyama, Hiroaki, additional, Miyashita, Hirokazu, additional, Obunai, Kotaro, additional, Noguchi, Masahiko, additional, Kato, Nahoko, additional, Morimura, Hayato, additional, Ito, Joji, additional, Murahsi, Makio, additional, Amano, Hidewo, additional, Kotani, Shinsuke, additional, Azumi, Yuta, additional, Fukuda, Nobuyuki, additional, Sobajima, Mitsuo, additional, Onoda, Hiroshi, additional, Kuwahara, Hiroyuki, additional, Tanaka, Shuhei, additional, Ueno, Yohei, additional, Fukahara, Kazuaki, additional, Doi, Toshio, additional, Yokoyama, Shigeki, additional, Imamura, Teruhiko, additional, Ushijima, Ryuichi, additional, Oshima, Akira, additional, Hida, Yuki, additional, Nishida, Hiroaki, additional, Hashizume, Kenichi, additional, Ueno, Koji, additional, Ikebata, Koki, additional, Oono, Masatoshi, additional, Sudo, Kiwamu, additional, Mori, Takesi, additional, and Huruse, Erito, additional

Published
2021
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38. Effect of Sex on Mortality and Left Ventricular Remodeling After Transcatheter Aortic Valve Implantation

Author

Shishido, Koki, primary, Yamanaka, Futoshi, additional, Ochiai, Tomoki, additional, Moriyama, Noriaki, additional, Yokoyama, Hiroaki, additional, Yokota, Shohei, additional, Noguchi, Kenichiro, additional, Yashima, Fumiaki, additional, Tada, Norio, additional, Naganuma, Toru, additional, Araki, Motoharu, additional, Shirai, Shinichi, additional, Ueno, Hiroshi, additional, Mizutani, Kazuki, additional, Tabata, Minoru, additional, Takagi, Kensuke, additional, Watanabe, Yusuke, additional, Yamamoto, Masanori, additional, Saito, Shigeru, additional, and Hayashida, Kentaro, additional

Published
2021
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39. Statin therapy for patients with aortic stenosis who underwent transcatheter aortic valve implantation: a report from a Japanese multicentre registry

Author

Yashima, Fumiaki, primary, Hara, Masahiko, additional, Inohara, Taku, additional, Jinzaki, Masahiro, additional, Shimizu, Hideyuki, additional, Fukuda, Keiichi, additional, Tanaka, Makoto, additional, Yamamoto, Masanori, additional, Watanabe, Yusuke, additional, Naganuma, Toru, additional, Shirai, Shinichi, additional, Yamawaki, Masahiro, additional, Tada, Norio, additional, Yamanaka, Futoshi, additional, Mizutani, Kazuki, additional, Ueno, Hiroshi, additional, Tabata, Minoru, additional, Takagi, Kensuke, additional, and Hayashida, Kentaro, additional

Published
2021
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41. Venography and Selective Ablation for Recurrent Varices after Surgery Using Radiofrequency Ablation Catheter

Author

Enta, Yusuke, Saigan, Makoto, Tanaka, Akiko, Hata, Masaki, and Tada, Norio

Subjects
Article Subject
Abstract

Recurrent varices after surgery (REVAS) is a common problem with no established treatment. Ultrasonography is a hard method to identify the source of veins that cause REVAS, especially in obese patients with thick thighs. Here, we report the case of a 64-year-old obese patient who previously underwent endothermal venous ablation for her right great saphenous vein. The patient presented with right leg swelling and venous ulceration due to REVAS. Although the source of REVAS was unclear because the patient had thick thighs on ultrasonography assessment, venography revealed that the source of REVAS was the incompetent perforator vein (IPV). Selective ablation for the IPV with radiofrequency ablation catheter was performed. We could ablate the target veins selectively so as not to ablate within the deep vein. The patient remains asymptomatic for 2 years after the procedure, and there has been no recurrence of her varicose veins. Venography allows better visualization of the source of REVAS than ultrasonography. With selective ablation, it is especially effective procedure in obese patients, in whom it is difficult to identify and access the source of REVAS with ultrasonography.

Published
2021
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42. Aspirin Versus Clopidogrel as Single Antithrombotic Therapy After Transcatheter Aortic Valve Replacement: Insight From the OCEAN-TAVI Registry

Author

Kobari, Yusuke, primary, Inohara, Taku, additional, Saito, Tetsuya, additional, Yoshijima, Nobuhiro, additional, Tanaka, Makoto, additional, Tsuruta, Hikaru, additional, Yashima, Fumiaki, additional, Shimizu, Hideyuki, additional, Fukuda, Keiichi, additional, Naganuma, Toru, additional, Mizutani, Kazuki, additional, Yamawaki, Masahiro, additional, Tada, Norio, additional, Yamanaka, Futoshi, additional, Shirai, Shinichi, additional, Tabata, Minoru, additional, Ueno, Hiroshi, additional, Takagi, Kensuke, additional, Watanabe, Yusuke, additional, Yamamoto, Masanori, additional, and Hayashida, Kentaro, additional

Published
2021
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43. Small Left Ventricle and Clinical Outcomes After Transcatheter Aortic Valve Replacement

Author

Saito, Tetsuya, primary, Inohara, Taku, additional, Yoshijima, Nobuhiro, additional, Yashima, Fumiaki, additional, Tsuruta, Hikaru, additional, Shimizu, Hideyuki, additional, Fukuda, Keiichi, additional, Naganuma, Toru, additional, Mizutani, Kazuki, additional, Yamawaki, Masahiro, additional, Tada, Norio, additional, Yamanaka, Futoshi, additional, Shirai, Shinichi, additional, Tabata, Minoru, additional, Ueno, Hiroshi, additional, Takagi, Kensuke, additional, Watanabe, Yusuke, additional, Yamamoto, Masanori, additional, and Hayashida, Kentaro, additional

Published
2021
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44. Incidence and predictors of prosthesis–patient mismatch after TAVI using SAPIEN 3 in Asian: differences between the newer and older balloon-expandable valve

Author

Miyasaka, Masaki, primary, Tada, Norio, additional, Taguri, Masataka, additional, Kato, Shigeaki, additional, Enta, Yusuke, additional, Hata, Masaki, additional, Watanabe, Yusuke, additional, Naganuma, Toru, additional, Yamawaki, Masahiro, additional, Yamanaka, Futoshi, additional, Shirai, Shinichi, additional, Ueno, Hiroshi, additional, Mizutani, Kazuki, additional, Tabata, Minoru, additional, Takagi, Kensuke, additional, Yamamoto, Masanori, additional, and Hayashida, Kentaro, additional

Published
2021
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45. Experimental study on development of the system which supports that an engineer judges a factor of the deterioration for the concrete structure by Deep learning

Author

Machiguchi, Atsushi, Kita, Toshiharu, Tada, Norio, Takei, Hiromasa, and Chikata, Yasuo

Subjects
AI, コンクリート構造物, 劣化要因判定, AI (artificial intelligence), deep learning, deterioration factor Judgment, ディープラーニング, concrete structure
Abstract

金沢大学理工研究域地球社会基盤学系, In recent years, the problem of aging of infrastructure and countermeasures against lack of resources and technical shortage due to the declining birthrate and aging population are becoming a social issue. In maintaining and managing structures, it takes a great deal of labor and cost because there are huge numbers of stocks and high quality technicians are required to judge the deterioration factor at the time of inspection. This is a base study that aims to develop a system which mechanically judges the deterioration factor from photographs of deteriorated concrete structure with Deep learning which has produced many results in the field of image recognition and image authentication in recent years.

Published
2018

46. Clinical Outcomes of Subcutaneous and Visceral Adipose Tissue Characteristics Assessed in Patients Underwent Transcatheter Aortic Valve Replacement

Author

Shibata, Kenichi, primary, Yamamoto, Masanori, additional, Yamada, Sumio, additional, Kobayashi, Toshihiro, additional, Morita, Satoshi, additional, Kagase, Ai, additional, Tokuda, Takahiro, additional, Shimura, Testuro, additional, Tsunaki, Tatsuya, additional, Tada, Norio, additional, Naganuma, Toru, additional, Araki, Motoharu, additional, Yamanaka, Futoshi, additional, Shirai, Shinichi, additional, Mizutani, Kazuki, additional, Tabata, Minoru, additional, Ueno, Hiroshi, additional, Takagi, Kensuke, additional, Higashimori, Akihiro, additional, Watanabe, Yusuke, additional, and Hayashida, Kentaro, additional

Published
2021
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49. TCT CONNECT-466 New Pacemaker Implantation Following Transcatheter Aortic Valve Replacement

Author

Taramasso, Maurizio, primary, Shinichi, Shirai, additional, Hayashi, Masaomi, additional, Kawaguchi, Tomohiro, additional, Arai, Yoshio, additional, Ando, Kenji, additional, Naganuma, Toru, additional, Mizutani, Kazuki, additional, Araki, Motoharu, additional, Tada, Norio, additional, Yamanaka, Futoshi, additional, Tabata, Minoru, additional, Ueno, Hiroshi, additional, Takagi, Kensuke, additional, Watanabe, Yusuke, additional, Yamamoto, Masanori, additional, Hayashida, Kentaro, additional, and Miura, Mizuki, additional

Published
2020
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