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Your search keyword '"Takano, Masayuki"' showing total 350 results
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350 results on '"Takano, Masayuki"'

1. Association between serum level of uric acid in Japanese young patients with coronary spastic angina receiving coronary angiography

Author

Tanazawa, Kota, Akioka, Hidefumi, Yufu, Kunio, Makita, Taiki, Sato, Hiroki, Iwabuchi, Yuki, Ono, Yuma, Yamasaki, Hirochika, Takahashi, Masaki, Ogawa, Naoko, Harada, Taisuke, Mitarai, Kazuki, Kodama, Nozomi, Yamauchi, Shuichiro, Takano, Masayuki, Hirota, Kei, Miyoshi, Miho, Yonezu, Keisuke, Tawara, Katsunori, Abe, Ichitaro, Kondo, Hidekazu, Saito, Shotaro, Fukui, Akira, Fukuda, Tomoko, Shinohara, Tetsuji, Akiyoshi, Kumiko, Teshima, Yasushi, and Takahashi, Naohiko

Published
2024
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21. Proposal criteria of paradoxical low-flow low-gradient aortic stenosis for predicting prognosis in patients undergoing transcatheter aortic valve implantation

Author

Tanino, Tomomi, Yufu, Kunio, Shuto, Takashi, Sato, Hiroki, Takano, Masayuki, Ishii, Yumi, Kira, Shintaro, Saito, Shotaro, Kondo, Hidekazu, Fukui, Akira, Fukuda, Tomoko, Akioka, Hidefumi, Tanino, Tomomi, Yufu, Kunio, Shuto, Takashi, Sato, Hiroki, Takano, Masayuki, Ishii, Yumi, Kira, Shintaro, Saito, Shotaro, Kondo, Hidekazu, Fukui, Akira, Fukuda, Tomoko, and Akioka, Hidefumi

Abstract

type:Journal Article, Background: Paradoxical low-flow, low-gradient (PLF-LG) aortic stenosis (AS) is associated with poor prognosis in patients undergoing transcatheter aortic valve implantation (TAVI). This study aimed to verify the conventional criteria of PLF-LG AS (left ventricular ejection fraction [LVEF] > 50%, mean aortic valve pressure gradient [AVPG] < 40 mm Hg and stroke volume index [SVI] < 35 ml/m2 by measuring Doppler method) compatible for predicting prognosis in patients undergoing TAVI., Materials and methods: A total of 128 consecutive patients who underwent TAVI for AS with LVEF > 50% were enrolled. The primary endpoint was the hospital readmission due to heart failure (HRHF) and the secondary endpoint was all-cause mortality after hospital discharge. The patients were classified by both the conventional criteria of PLF-LG AS and the proposal criteria of PLF-LG AS if mean aortic valve pressure gradient (AVPG) < 40 mmHg and SVI by measuring Simpson's method < cut off value based on the ROC curve for predicting HRHF., Results: According to the conventional criteria, only 6 patients were diagnosed with PLF-LG AS. However, according to the proposal criteria, 16 patients were diagnosed with PLF-LG AS. Fourteen patients developed HRHF during the follow-up period after TAVI. Based on the ROC curves, SVI by measuring Simpson's method (cut off value = 25 ml/m2) had higher sensitivity and specificity for predicting HRHF (AUC = 0.74, p = 0.0013) than SVI by measuring Doppler method (AUC = 0.63, p = 0.045). The multivariate analysis revealed that PLF-LG AS defined by the proposal criteria (HR: 5.25; 95% CI: 1.60–17.16; p = 0.0073) but not by the conventional criteria was independently associated with HRHF. PLF-LG AS defined by the conventional criteria and the proposal criteria were not associated with all-cause mortality in the univariate analysis., Conclusions: Our results demonstrated that new criteria of PLF-LG AS defined as SVI < 25 ml/m2 measured by Simpson's method could predict HRHF in patients with severe AS who underwent TAVI.

Published
2023

30. Piezo1-pannexin-1-P2X3 axis in odontoblasts and neurons mediates sensory transduction in dentinal sensitivity

Author

Ohyama, Sadao, primary, Ouchi, Takehito, additional, Kimura, Maki, additional, Kurashima, Ryuya, additional, Yasumatsu, Keiko, additional, Nishida, Daisuke, additional, Hitomi, Suzuro, additional, Ubaidus, Sobhan, additional, Kuroda, Hidetaka, additional, Ito, Shinichirou, additional, Takano, Masayuki, additional, Ono, Kentaro, additional, Mizoguchi, Toshihide, additional, Katakura, Akira, additional, and Shibukawa, Yoshiyuki, additional

Published
2022
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32. Role of computed tomography‐based evaluation of skeletal muscle area in predicting cardiovascular outcomes in patients with chronic heart failure after cardiac resynchronization therapy

Author

Harada, Taisuke, primary, Kondo, Hidekazu, additional, Yufu, Kunio, additional, Uno, Akihiro, additional, Takahashi, Masaki, additional, Wada, Masato, additional, Yamasaki, Hirochika, additional, Ogawa, Naoko, additional, Takano, Masayuki, additional, Hirota, Kei, additional, Ishii, Yumi, additional, Yonezu, Keisuke, additional, Saito, Shotaro, additional, Fukui, Akira, additional, Akioka, Hidefumi, additional, Shinohara, Tetsuji, additional, Teshima, Yasushi, additional, Nakagawa, Mikiko, additional, and Takahashi, Naohiko, additional

Published
2022
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39. Association between interatrial septum adiposity and atrial fibrillation: transesophageal echocardiography imaging and autopsy study.

Author

Miyoshi, Miho, Abe, Ichitaro, Kodama, Nozomi, Zhan, Yinge, Kira, Shintaro, Ishii, Yumi, Harada, Taisuke, Takano, Masayuki, Takahashi, Masaki, Sato, Hiroki, Tawara, Katsunori, Kondo, Hidekazu, Fukui, Akira, Fukuda, Tomoko, Akioka, Hidefumi, Shinohara, Tetsuji, Teshima, Yasushi, Yufu, Kunio, Nakagawa, Mikiko, and Daa, Tsutomu

Subjects
TRANSESOPHAGEAL echocardiography, ATRIAL fibrillation, DIAGNOSTIC imaging, OBESITY, AUTOPSY, ADIPOSE tissues
Abstract

Recent clinical evidence has suggested that interatrial septal (IAS) adiposity contributes to atrial fibrillation (AF). The present study aimed to confirm the usefulness of transesophageal echocardiography (TEE) to estimate IAS adiposity in patients with AF. The histological IAS analysis based on autopsy samples sought to clarify characteristics that underlie the contribution of IAS adiposity to AF. The imaging study analyzed the TEE results in patients with AF (n = 184) in comparison with transthoracic echocardiography (TTE) and computed tomography (CT) results. The autopsy study histologically analyzed IAS in subjects with (n = 5) and without (n = 5) history of AF. In the imaging study, the ratio of interatrial septum adipose tissue (IAS-AT) volume per epicardial adipose tissue (EpAT) volume was greater in patients with persistent AF compared (PerAF) to those with paroxysmal AF (PAF). Multivariable analysis revealed that both TEE-assessed IAS thickness and TTE-assessed left atrial dimension were predicted by CT-assessed IAS-AT volume. In the autopsy study, the histologically-assessed IAS section thickness was greater in the AF group than that in the non-AF group and was positively correlated with the IAS-AT area percentage. In addition, the size of adipocytes in IAS-AT was smaller, compared to EpAT and subcutaneous adipose tissue (SAT). IAS-AT infiltrated into the IAS myocardium, as if adipose tissue split the myocardium (designated as myocardial splitting by IAS-AT). The number of island-like myocardium pieces as a result of myocardial splitting by IAS-AT was greater in the AF group than in the non-AF group and was positively correlated with the IAS-AT area percentage. The present imaging study confirmed the usefulness of TEE to estimate IAS adiposity in patients with AF without radiation exposure. The autopsy study suggested that the myocardial splitting by IAS-AT may contribute to atrial cardiomyopathy leading to AF. [ABSTRACT FROM AUTHOR]

Published
2023
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40. A case of primary intraosseous squamous cell carcinoma of the maxilla that developed from a dentigerous cyst containing a supernumerary impacted tooth

Author

Ono, Keisuke, primary, Hamada, Yuji, additional, Watanabe, Akira, additional, Yoshida, Shuji, additional, Kato, Hiroshi, additional, Kogou, Naoyuki, additional, Kasahara, Kiyohiro, additional, Sugahara, Keisuke, additional, Nishiyama, Akihiro, additional, Hoshino, Teruhide, additional, Ichikawa, Yuji, additional, Takahashi, Hikaru, additional, Takaku, Yuichiro, additional, Chujo, Takatoshi, additional, Nakajima, Kei, additional, kokubun, Katsutoshi, additional, Matsuzaka, Kenichi, additional, Shibahara, Takahiko, additional, Katakura, Akira, additional, and Takano, Masayuki, additional

Published
2022
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46. RIOK2 Contributes to Cell Growth and Protein Synthesis in Human Oral Squamous Cell Carcinoma.

Author

Matsuzaki, Yusuke, Naito, Yutaka, Miura, Nami, Mori, Taisuke, Watabe, Yukio, Yoshimoto, Seiichi, Shibahara, Takahiko, Takano, Masayuki, and Honda, Kazufumi

Subjects
CELL growth, PROTEIN synthesis, SQUAMOUS cell carcinoma, CELL lines, CANCER treatment
Abstract

Ribosomes are responsible for the protein synthesis that maintains cellular homeostasis and is required for the rapid cellular division of cancer cells. However, the role of ribosome biogenesis mediators in the malignant behavior of tongue squamous cell carcinoma (TSCC) is unknown. In this study, we found that the expression of RIOK2, a key enzyme involved in the maturation steps of the pre-40S ribosomal complex, was significantly associated with poorer overall survival in patients with TSCC. Further, multivariate analysis revealed that RIOK2 is an independent prognostic factor (hazard ratio, 3.53; 95% confidence interval, 1.19–10.91). Inhibition of RIOK2 expression by siRNA decreased cell growth and S6 ribosomal protein expression in oral squamous cell carcinoma cell lines. RIOK2 knockdown also led to a significant decrease in the protein synthesis in cancer cells. RIOK2 has potential application as a novel therapeutic target for TSCC treatment. [ABSTRACT FROM AUTHOR]

Published
2023
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47. Multi-Step Aberrant CpG Island Hyper-Methylation Is Associated with the Progression of Adult T–Cell Leukemia/Lymphoma

Author

Sato, Hiaki, Oka, Takashi, Shinnou, Yoko, Kondo, Takami, Washio, Kana, Takano, Masayuki, Takata, Katsuyoshi, Morito, Toshiaki, Huang, Xingang, Tamura, Maiko, Kitamura, Yuta, Ohara, Nobuya, Ouchida, Mamoru, Ohshima, Koichi, Shimizu, Kenji, Tanimoto, Mitsune, Takahashi, Kiyoshi, Matsuoka, Masao, Utsunomiya, Atae, and Yoshino, Tadashi

Published
2010
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48. Proposal criteria of paradoxical low-flow low-gradient aortic stenosis for predicting prognosis in patients undergoing transcatheter aortic valve implantation

Author

Tanino, Tomomi, primary, Yufu, Kunio, additional, Shuto, Takashi, additional, Sato, Hiroki, additional, Takano, Masayuki, additional, Ishii, Yumi, additional, Kira, Shintaro, additional, Saito, Shotaro, additional, Kondo, Hidekazu, additional, Fukui, Akira, additional, Fukuda, Tomoko, additional, Akioka, Hidefumi, additional, Teshima, Yasushi, additional, Wada, Tomoyuki, additional, Miyamoto, Shinji, additional, and Takahashi, Naohiko, additional

Published
2021
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