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Honda Y, Takahashi A, Tanaka N, Kajiwara Y, Sasaki R, Kataoka H, Sakamoto J, Okita M. Electrical Stimulation-Based Twitch Exercise Suppresses Progression of Immobilization-Induced Muscle Fibrosis via Downregulation of PGC-1?/VEGF Pathway. Physiol Res 2024; 73:285-294. [PMID: 38710059 PMCID: PMC11081190] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 11/16/2023] [Indexed: 05/08/2024] Open
Abstract
This study aimed to determine whether electrical stimulation-based twitch exercise is effective in inhibiting the progression of immobilization-induced muscle fibrosis. 19 Wistar rats were randomly divided into a control group (n=6), an immobilization group (n=6; with immobilization only), and a Belt group (n=7; with immobilization and twitch exercise through the belt electrode device, beginning 2 weeks after immobilization). The bilateral soleus muscles were harvested after the experimental period. The right soleus muscles were used for histological analysis, and the left soleus muscles were used for biochemical and molecular biological analysis. As a result, in the picrosirius red images, the perimysium and endomysium were thicker in both the immobilization and Belt groups compared to the control group. However, the perimysium and endomysium thickening were suppressed in the Belt group. The hydroxyproline content and alpha-SMA, TGF-beta1, and HIF-1alpha mRNA expressions were significantly higher in the immobilization and belt groups than in the control group. These expressions were significantly lower in the Belt group than in the immobilization group. The capillary-to-myofiber ratio and the mRNA expressions of VEGF and PGC-1alpha were significantly lower in the immobilization and belt groups than in the control group, these were significantly higher in the Belt group than in the immobilization group. From these results, Electrical stimulation-based twitch exercise using the belt electrode device may prevent the progression of immobilization-induced muscle fibrosis caused by downregulating PGC-1alpha/VEGF pathway, we surmised that this intervention strategy might be effective against the progression of muscle contracture. Keywords: Immobilization, Skeletal muscle, Fibrosis, Electrical stimulation-based twitch exercise, PGC-1alpha/VEGF pathway.
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Affiliation(s)
- Y Honda
- Department of Physical Therapy Science, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki, Japan.
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2
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Takahashi A, Honda Y, Tanaka N, Miyake J, Maeda S, Kataoka H, Sakamoto J, Okita M. Skeletal Muscle Electrical Stimulation Prevents Progression of Disuse Muscle Atrophy via Forkhead Box O Dynamics Mediated by Phosphorylated Protein Kinase B and Peroxisome Proliferator-Activated Receptor gamma Coactivator-1alpha. Physiol Res 2024; 73:105-115. [PMID: 38466009 PMCID: PMC11019614 DOI: 10.33549/physiolres.935157] [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] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 10/12/2023] [Indexed: 04/26/2024] Open
Abstract
Although electrical muscle stimulation (EMS) of skeletal muscle effectively prevents muscle atrophy, its effect on the breakdown of muscle component proteins is unknown. In this study, we investigated the biological mechanisms by which EMS-induced muscle contraction inhibits disuse muscle atrophy progression. Experimental animals were divided into a control group and three experimental groups: immobilized (Im; immobilization treatment), low-frequency (LF; immobilization treatment and low-frequency muscle contraction exercise), and high-frequency (HF; immobilization treatment and high-frequency muscle contraction exercise). Following the experimental period, bilateral soleus muscles were collected and analyzed. Atrogin-1 and Muscle RING finger 1 (MuRF-1) mRNA expression levels were significantly higher for the experimental groups than for the control group but were significantly lower for the HF group than for the Im group. Peroxisome proliferator-activated receptor gamma coactivator-1alpha (PGC-1alpha) mRNA and protein expression levels in the HF group were significantly higher than those in the Im group, with no significant differences compared to the Con group. Both the Forkhead box O (FoxO)/phosphorylated FoxO and protein kinase B (AKT)/phosphorylated AKT ratios were significantly lower for the Im group than for the control group and significantly higher for the HF group than for the Im group. These results, the suppression of atrogin-1 and MuRF-1 expression for the HF group may be due to decreased nuclear expression of FoxO by AKT phosphorylation and suppression of FoxO transcriptional activity by PGC-1alpha. Furthermore, the number of muscle contractions might be important for effective EMS.
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Affiliation(s)
- A Takahashi
- Institute of Biomedical Sciences (Health Sciences), Nagasaki University, Nagasaki, Japan.
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3
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Tsukada K, Abe Y, Enokizono A, Goke T, Hara M, Honda Y, Hori T, Ichikawa S, Ito Y, Kurita K, Legris C, Maehara Y, Ohnishi T, Ogawara R, Suda T, Tamae T, Wakasugi M, Watanabe M, Wauke H. First Observation of Electron Scattering from Online-Produced Radioactive Target. Phys Rev Lett 2023; 131:092502. [PMID: 37721815 DOI: 10.1103/physrevlett.131.092502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 06/21/2023] [Indexed: 09/20/2023]
Abstract
We successfully performed electron scattering off unstable nuclei which were produced online from the photofission of uranium. The target ^{137}Cs ions were trapped with a new target-forming technique that makes a high-density stationary target from a small number of ions by confining them in an electron storage ring. After developments of target generation and transportation systems and the beam stacking method to increase the ion beam intensity up to approximately 2×10^{7} ions per pulse beam, an average luminosity of 0.9×10^{26} cm^{-2} s^{-1} was achieved for ^{137}Cs. The obtained angular distribution of elastically scattered electrons is consistent with a calculation. This success marks the realization of the anticipated femtoscope which clarifies the structures of exotic and short-lived unstable nuclei.
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Affiliation(s)
- K Tsukada
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
- Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
| | - Y Abe
- Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
| | - A Enokizono
- Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
- Department of Physics, Rikkyo University, Toshima, Tokyo 171-8501, Japan
| | - T Goke
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - M Hara
- Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
| | - Y Honda
- Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - T Hori
- Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
| | - S Ichikawa
- Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
| | - Y Ito
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - K Kurita
- Department of Physics, Rikkyo University, Toshima, Tokyo 171-8501, Japan
| | - C Legris
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - Y Maehara
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - T Ohnishi
- Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
| | - R Ogawara
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
- Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
| | - T Suda
- Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - T Tamae
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - M Wakasugi
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
- Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
| | - M Watanabe
- Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
| | - H Wauke
- Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
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4
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Schimmel S, Tomida D, Ishiguro T, Honda Y, Chichibu SF, Amano H. Temperature Field, Flow Field, and Temporal Fluctuations Thereof in Ammonothermal Growth of Bulk GaN-Transition from Dissolution Stage to Growth Stage Conditions. Materials (Basel) 2023; 16:2016. [PMID: 36903128 PMCID: PMC10004180 DOI: 10.3390/ma16052016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/23/2023] [Accepted: 02/27/2023] [Indexed: 06/18/2023]
Abstract
With the ammonothermal method, one of the most promising technologies for scalable, cost-effective production of bulk single crystals of the wide bandgap semiconductor GaN is investigated. Specifically, etch-back and growth conditions, as well as the transition from the former to the latter, are studied using a 2D axis symmetrical numerical model. In addition, experimental crystal growth results are analyzed in terms of etch-back and crystal growth rates as a function of vertical seed position. The numerical results of internal process conditions are discussed. Variations along the vertical axis of the autoclave are analyzed using both numerical and experimental data. During the transition from quasi-stable conditions of the dissolution stage (etch-back process) to quasi-stable conditions of the growth stage, significant temperature differences of 20 K to 70 K (depending on vertical position) occur temporarily between the crystals and the surrounding fluid. These lead to maximum rates of seed temperature change of 2.5 K/min to 1.2 K/min depending on vertical position. Based on temperature differences between seeds, fluid, and autoclave wall upon the end of the set temperature inversion process, deposition of GaN is expected to be favored on the bottom seed. The temporarily observed differences between the mean temperature of each crystal and its fluid surrounding diminish about 2 h after reaching constant set temperatures imposed at the outer autoclave wall, whereas approximately quasi-stable conditions are reached about 3 h after reaching constant set temperatures. Short-term fluctuations in temperature are mostly due to fluctuations in velocity magnitude, usually with only minor variations in the flow direction.
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Affiliation(s)
- Saskia Schimmel
- Crystal Growth Lab, Materials for Electronics and Energy Technology (i-MEET), Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya 464-8601, Japan
- Electron Devices (LEB), Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Daisuke Tomida
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya 464-8601, Japan
| | - Tohru Ishiguro
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan
| | - Yoshio Honda
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya 464-8601, Japan
| | - Shigefusa F. Chichibu
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan
| | - Hiroshi Amano
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya 464-8601, Japan
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Sato SI, Li S, Greentree AD, Deki M, Nishimura T, Watanabe H, Nitta S, Honda Y, Amano H, Gibson BC, Ohshima T. Photon extraction enhancement of praseodymium ions in gallium nitride nanopillars. Sci Rep 2022; 12:21208. [PMID: 36481806 PMCID: PMC9731982 DOI: 10.1038/s41598-022-25522-6] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 11/30/2022] [Indexed: 12/13/2022] Open
Abstract
Lanthanoid-doped Gallium Nitride (GaN) integrated into nanophotonic technologies is a promising candidate for room-temperature quantum photon sources for quantum technology applications. We manufactured praseodymium (Pr)-doped GaN nanopillars of varying size, and showed significantly enhanced room-temperature photon extraction efficiency compared to unstructured Pr-doped GaN. Implanted Pr ions in GaN show two main emission peaks at 650.3 nm and 651.8 nm which are attributed to 3P0-3F2 transition in the 4f-shell. The maximum observed enhancement ratio was 23.5 for 200 nm diameter circular pillars, which can be divided into the emitted photon extraction enhancement by a factor of 4.5 and the photon collection enhancement by a factor of 5.2. The enhancement mechanism is explained by the eigenmode resonance inside the nanopillar. Our study provides a pathway for Lanthanoid-doped GaN nano/micro-scale photon emitters and quantum technology applications.
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Affiliation(s)
- Shin-ichiro Sato
- Quantum Beam Science Research Directorate, National Institutes for Quantum Science and Technology, 1233 Watanuki, Takasaki, Gunma 370-1292 Japan ,grid.1017.70000 0001 2163 3550Australian Research Council Centre of Excellence for Nanoscale BioPhotonics, RMIT University, Melbourne, VIC 3001 Australia
| | - Shuo Li
- grid.1017.70000 0001 2163 3550Australian Research Council Centre of Excellence for Nanoscale BioPhotonics, RMIT University, Melbourne, VIC 3001 Australia
| | - Andrew D. Greentree
- grid.1017.70000 0001 2163 3550Australian Research Council Centre of Excellence for Nanoscale BioPhotonics, RMIT University, Melbourne, VIC 3001 Australia
| | - Manato Deki
- grid.27476.300000 0001 0943 978XVenture Business Laboratory, Nagoya University, Furo-Cho, Chikusa-Ku, Nagoya, Nagoya 464-8601 Japan
| | - Tomoaki Nishimura
- grid.257114.40000 0004 1762 1436Research Center of Ion Beam Technology, Hosei University, 3-7-2 Kajino-Cho, Koganei, Tokyo 184-8584 Japan
| | - Hirotaka Watanabe
- grid.27476.300000 0001 0943 978XInstitute of Materials and Systems for Sustainability, Nagoya University, Furo-Cho, Chikusa-Ku, Nagoya, 464-8601 Japan
| | - Shugo Nitta
- grid.27476.300000 0001 0943 978XInstitute of Materials and Systems for Sustainability, Nagoya University, Furo-Cho, Chikusa-Ku, Nagoya, 464-8601 Japan
| | - Yoshio Honda
- grid.27476.300000 0001 0943 978XInstitute of Materials and Systems for Sustainability, Nagoya University, Furo-Cho, Chikusa-Ku, Nagoya, 464-8601 Japan
| | - Hiroshi Amano
- grid.27476.300000 0001 0943 978XVenture Business Laboratory, Nagoya University, Furo-Cho, Chikusa-Ku, Nagoya, Nagoya 464-8601 Japan ,grid.27476.300000 0001 0943 978XInstitute of Materials and Systems for Sustainability, Nagoya University, Furo-Cho, Chikusa-Ku, Nagoya, 464-8601 Japan
| | - Brant C. Gibson
- grid.1017.70000 0001 2163 3550Australian Research Council Centre of Excellence for Nanoscale BioPhotonics, RMIT University, Melbourne, VIC 3001 Australia
| | - Takeshi Ohshima
- Quantum Beam Science Research Directorate, National Institutes for Quantum Science and Technology, 1233 Watanuki, Takasaki, Gunma 370-1292 Japan
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Ejiri K, Ding N, Kim E, Honda Y, Cainzos-Achirica M, Tanaka H, Howard-Claudio C, Butler K, Hughes T, Coresh J, Van't Hof J, Meyer M, Blaha M, Matsushita K. Associations of segment-specific pulse wave velocity with vascular calcification: the Atherosclerosis Risk in Communities (ARIC) Study. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Pulse wave velocity (PWV) is a non-invasive measure of arterial stiffness and a predictor of cardiovascular disease (CVD). Vascular calcification, especially coronary artery calcium (CAC) measured by computed tomography (CT), is one of the strongest predictors of CVD but requires radiation for measurement. PWV may be helpful to identify persons with vascular calcification who may benefit from formal assessment of vascular calcification with CT. However, the associations between PWV and vascular calcification across different vascular beds have not been fully investigated.
Purpose
The aims of this study were to quantify the association between PWV and calcification at different segments and to explore whether PWV can identify individuals with vascular calcification beyond traditional risk factors.
Methods
Among 1486 ARIC Study participants (mean age 79.3 [SD 4.2] years), we measured PWV by OMRON VP1000plus at the following segments: heart-carotid (hcPWV), heart-femoral (hfPWV), carotid-femoral (cfPWV), heart-ankle (haPWV), brachial-ankle (baPWV) and femoral-ankle (faPWV). Participants were stratified into four groups based on quartiles of each PWV measure. Dependent (i.e., outcome) variables were high calcium score (≥75th percentile of Agatston score by CT) of the following vascular beds (including valves): coronary arteries, aortic valve ring, aortic valve, mitral valve, ascending aorta, and descending aorta. We ran multivariable logistic regression models and assessed c-statistics as a measure of prediction discrimination.
Results
Only cfPWV was significantly positively associated with high CAC (adjusted odds ratio [OR] for the highest vs. lowest quartile: 1.73 [95% CI: 1.17–2.55]) (green dot in figure). The associations were overall most evident for descending aorta calcification, with significantly positive results for hfPWV (gold dot in figure), cfPWV (green dot), haPWV (emerald dot), and baPWV (blue dot). For example, adjusted OR for the highest vs. lowest quartile of cfPWV was 4.08 (2.70–6.24). hfPWV and cfPWV were significantly associated with mitral valve calcification as well. In contrast, faPWV (purple dots) was inversely associated with calcification of aortic valve ring, ascending aorta, and descending aorta. For descending aorta calcification, even the second highest quartile of the following measures demonstrated significant adjusted OR: hfPWV (3.21 [2.11–4.95]), cfPWV (2.11 [1.40–3.20]), and baPWV (1.75 [1.14–2.69]). Simultaneously adding cfPWV and hfPWV improved c-statistic for CAC (Δc-statistic 0.011 [0.0007–0.022]) and descending aorta calcification (0.035 [0.017–0.053]).
Conclusions
The associations of PWV with vascular calcification varied substantially across segments, with descending aorta calcification most closely linked to PWV measures and cfPWV most robustly associated with calcification of multiple vascular beds. cfPWV and hfPWV, together, improved discrimination of high CAC beyond traditional risk factors.
Funding Acknowledgement
Type of funding sources: Public grant(s) – National budget only. Main funding source(s): The National Heart, Lung, and Blood Institute, National Institutes of Health
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Affiliation(s)
- K Ejiri
- Johns Hopkins Bloomberg School of Public Health, Epidemiology , Baltimore , United States of America
| | - N Ding
- Johns Hopkins Bloomberg School of Public Health, Epidemiology , Baltimore , United States of America
| | - E Kim
- Johns Hopkins Bloomberg School of Public Health, Epidemiology , Baltimore , United States of America
| | - Y Honda
- Johns Hopkins Bloomberg School of Public Health, Epidemiology , Baltimore , United States of America
| | - M Cainzos-Achirica
- The Methodist Hospital, Preventive Cardiology , Houston , United States of America
| | - H Tanaka
- University of Texas at Austin, Kinesiology and Health Education , Austin , United States of America
| | - C Howard-Claudio
- The University of Mississippi Medical Center, Radiology, Cardiac and Body Imaging , Jackson , United States of America
| | - K Butler
- The University of Mississippi Medical Center, Medicine , Jackson , United States of America
| | - T Hughes
- Wake Forest School of Medicine, Gerontology and Geriatric Medicine , Winston-Salem , United States of America
| | - J Coresh
- Johns Hopkins Bloomberg School of Public Health, Epidemiology , Baltimore , United States of America
| | - J Van't Hof
- University of Minnesota, Cardiovascular Medicine , Minneapolis , United States of America
| | - M Meyer
- University of North Carolina, Emergency Medicine , Chapel Hill , United States of America
| | - M Blaha
- Johns Hopkins University School of Medicine, Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease , Baltimore , United States of America
| | - K Matsushita
- Johns Hopkins Bloomberg School of Public Health, Epidemiology , Baltimore , United States of America
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Schimmel S, Salamon M, Tomida D, Neumeier S, Ishiguro T, Honda Y, Chichibu SF, Amano H. High-Energy Computed Tomography as a Prospective Tool for In Situ Monitoring of Mass Transfer Processes inside High-Pressure Reactors-A Case Study on Ammonothermal Bulk Crystal Growth of Nitrides including GaN. Materials (Basel) 2022; 15:6165. [PMID: 36079544 PMCID: PMC9457664 DOI: 10.3390/ma15176165] [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] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 08/29/2022] [Accepted: 08/31/2022] [Indexed: 06/15/2023]
Abstract
For the fundamental understanding and the technological development of the ammonothermal method for the synthesis and crystal growth of nitrides, an in situ monitoring technique for tracking mass transport of the nitride throughout the entire autoclave volume is desirable. The feasibility of using high-energy computed tomography for this purpose was therefore evaluated using ex situ measurements. Acceleration voltages of 600 kV were estimated to yield suitable transparency in a lab-scale ammonothermal setup for GaN crystal growth designed for up to 300 MPa operating pressure. The total scan duration was estimated to be in the order of 20 to 40 min, which was sufficient given the comparatively slow crystal growth speed in ammonothermal growth. Even shorter scan durations or, alternatively, lower acceleration voltages for improved contrast or reduced X-ray shielding requirements, were estimated to be feasible in the case of ammonoacidic growth, as the lower pressure requirements for this process variant allow for thinned autoclave walls in an adapted setup designed for improved X-ray transparency. Promising nickel-base and cobalt-base alloys for applications in ammonothermal reactors with reduced X-ray absorption in relation to the maximum operating pressure were identified. The applicability for the validation of numerical simulations of the growth process of GaN, in addition to the applicability of the technique to further nitride materials, as well as larger reactors and bulk crystals, were evaluated.
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Affiliation(s)
- Saskia Schimmel
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Crystal Growth Lab, Materials for Electronics and Energy Technology (i-MEET), Martensstraße 7, 91058 Erlangen, Germany
| | - Michael Salamon
- Fraunhofer IIS, Fraunhofer Institute for Integrated Circuits IIS, Division Development Center X-ray Technology, 90768 Fürth, Germany
| | - Daisuke Tomida
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya 464-8601, Japan
| | - Steffen Neumeier
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Institute I: General Materials Properties, Martensstraße 5, 91058 Erlangen, Germany
| | - Tohru Ishiguro
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan
| | - Yoshio Honda
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya 464-8601, Japan
| | - Shigefusa F. Chichibu
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan
| | - Hiroshi Amano
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya 464-8601, Japan
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Arora S, Zimmermann F, Solberg O, Nytroen K, Aaberge L, Okada K, Ahn J, Honda Y, Khush K, Pijls N, Angeras O, Karason K, Gullestad L, Fearon W. Multicenter Evaluation of Volumetric Intravascular Ultrasound Early After Heart Transplantation and Long-Term Prognosis. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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9
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Tanaka A, Sugiura R, Kawaguchi D, Yui T, Wani Y, Aratani T, Watanabe H, Sena H, Honda Y, Igasaki Y, Amano H. Smart-cut-like laser slicing of GaN substrate using its own nitrogen. Sci Rep 2021; 11:17949. [PMID: 34504143 PMCID: PMC8429715 DOI: 10.1038/s41598-021-97159-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 08/18/2021] [Indexed: 11/09/2022] Open
Abstract
We have investigated the possibility of applying lasers to slice GaN substrates. Using a sub-nanosecond laser with a wavelength of 532 nm, we succeeded in slicing GaN substrates. In the laser slicing method used in this study, there was almost no kerf loss, and the thickness of the layer damaged by laser slicing was about 40 µm. We demonstrated that a standard high quality homoepitaxial layer can be grown on the sliced surface after removing the damaged layer by polishing.
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Affiliation(s)
- Atsushi Tanaka
- Center for Integrated Research of Future Electronics (CIRFE), Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University, Aichi, 464-8601, Japan. .,National Institute for Materials Science, Tsukuba, 987-6543, Japan.
| | - Ryuji Sugiura
- Electron Tube Division, Research & Development Department, Hamamatsu Photonics K. K., Shizuoka, 438-0193, Japan
| | - Daisuke Kawaguchi
- Electron Tube Division, Research & Development Department, Hamamatsu Photonics K. K., Shizuoka, 438-0193, Japan
| | - Toshiki Yui
- Electron Tube Division, Research & Development Department, Hamamatsu Photonics K. K., Shizuoka, 438-0193, Japan
| | - Yotaro Wani
- Electron Tube Division, Research & Development Department, Hamamatsu Photonics K. K., Shizuoka, 438-0193, Japan
| | - Tomomi Aratani
- Electron Tube Division, Research & Development Department, Hamamatsu Photonics K. K., Shizuoka, 438-0193, Japan
| | - Hirotaka Watanabe
- Center for Integrated Research of Future Electronics (CIRFE), Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University, Aichi, 464-8601, Japan
| | - Hadi Sena
- Center for Integrated Research of Future Electronics (CIRFE), Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University, Aichi, 464-8601, Japan
| | - Yoshio Honda
- Center for Integrated Research of Future Electronics (CIRFE), Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University, Aichi, 464-8601, Japan
| | - Yasunori Igasaki
- Electron Tube Division, Research & Development Department, Hamamatsu Photonics K. K., Shizuoka, 438-0193, Japan
| | - Hiroshi Amano
- Center for Integrated Research of Future Electronics (CIRFE), Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University, Aichi, 464-8601, Japan.,National Institute for Materials Science, Tsukuba, 987-6543, Japan
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10
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Nagatsu K, Suzuki H, Fukada M, Ito T, Ichinose J, Honda Y, Minegishi K, Higashi T, Zhang MR. Cyclotron production of 225Ac from an electroplated 226Ra target. Eur J Nucl Med Mol Imaging 2021; 49:279-289. [PMID: 34196752 PMCID: PMC8712309 DOI: 10.1007/s00259-021-05460-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 06/09/2021] [Indexed: 11/25/2022]
Abstract
Purpose We demonstrate cyclotron production of high-quality 225Ac using an electroplated 226Ra target. Methods 226Ra was extracted from legacy Ra sources using a chelating resin. Subsequent ion-exchange purification gave pure 226Ra with a certain amount of carrier Ba. The radium target was prepared by electroplating. We successfully deposited about 37 MBq of 226Ra on a target box. Maximum activation was achieved using 15.6 MeV protons on the target at 20 µA for 5 h. Two functional resins with various concentrations of nitric acid purified 225Ac and recovered 226Ra. Cooling the intermediate 225Ac for 2–3 weeks decayed the major byproduct of 226Ac and increased the radionuclidic purity of 225Ac. Repeating the same separation protocol provided high-quality 225Ac. Results We obtained 225Ac at a yield of about 2.4 MBq at the end of bombardment (EOB), and the subsequent initial purification gave 1.7 MBq of 225Ac with 226Ac/225Ac ratio of < 3% at 4 days from EOB. Additional cooling time coupled with the separation procedure (secondary purification) effectively increased the 225Ac (4n + 1 series) radionuclidic purity up to 99 + %. The recovered 225Ac had a similar identification to commercially available 225Ac originating from a 229Th/225Ac generator. Conclusion This procedure, which involves the 226Ra(p,2n)225Ac reaction and the appropriate purification, has the potential to be a major alternative pathway for 225Ac production because it can be performed in any facility with a compact cyclotron to address the increasing demand for 225Ac. Supplementary Information The online version contains supplementary material available at 10.1007/s00259-021-05460-7.
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Affiliation(s)
- Kotaro Nagatsu
- Department of Advanced Nuclear Medicine Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-Ku, Chiba, 263-8555, Japan.
| | - Hisashi Suzuki
- Department of Advanced Nuclear Medicine Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-Ku, Chiba, 263-8555, Japan
| | - Masami Fukada
- Department of Advanced Nuclear Medicine Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-Ku, Chiba, 263-8555, Japan
| | - Taku Ito
- Department of Advanced Nuclear Medicine Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-Ku, Chiba, 263-8555, Japan.,Theranostics Research Center, Nihon Medi-Physics, Co., Ltd., Chiba, Japan
| | - Jun Ichinose
- Department of Advanced Nuclear Medicine Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-Ku, Chiba, 263-8555, Japan.,Theranostics Research Center, Nihon Medi-Physics, Co., Ltd., Chiba, Japan
| | - Yoshio Honda
- Department of Advanced Nuclear Medicine Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-Ku, Chiba, 263-8555, Japan.,Theranostics Research Center, Nihon Medi-Physics, Co., Ltd., Chiba, Japan
| | - Katsuyuki Minegishi
- Department of Advanced Nuclear Medicine Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-Ku, Chiba, 263-8555, Japan
| | - Tatsuya Higashi
- Department of Molecular Imaging and Theranostics, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan
| | - Ming-Rong Zhang
- Department of Advanced Nuclear Medicine Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-Ku, Chiba, 263-8555, Japan
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11
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Vicedo-Cabrera AM, Scovronick N, Sera F, Royé D, Schneider R, Tobias A, Astrom C, Guo Y, Honda Y, Hondula DM, Abrutzky R, Tong S, de Sousa Zanotti Stagliorio Coelho M, Saldiva PHN, Lavigne E, Correa PM, Ortega NV, Kan H, Osorio S, Kyselý J, Urban A, Orru H, Indermitte E, Jaakkola JJK, Ryti N, Pascal M, Schneider A, Katsouyanni K, Samoli E, Mayvaneh F, Entezari A, Goodman P, Zeka A, Michelozzi P, de’Donato F, Hashizume M, Alahmad B, Diaz MH, De La Cruz Valencia C, Overcenco A, Houthuijs D, Ameling C, Rao S, Ruscio FD, Carrasco-Escobar G, Seposo X, Silva S, Madureira J, Holobaca IH, Fratianni S, Acquaotta F, Kim H, Lee W, Iniguez C, Forsberg B, Ragettli MS, Guo YLL, Chen BY, Li S, Armstrong B, Aleman A, Zanobetti A, Schwartz J, Dang TN, Dung DV, Gillett N, Haines A, Mengel M, Huber V, Gasparrini A. The burden of heat-related mortality attributable to recent human-induced climate change. Nat Clim Chang 2021; 11:492-500. [PMID: 34221128 PMCID: PMC7611104 DOI: 10.1038/s41558-021-01058-x] [Citation(s) in RCA: 196] [Impact Index Per Article: 65.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 04/20/2021] [Indexed: 05/19/2023]
Abstract
Climate change affects human health; however, there have been no large-scale, systematic efforts to quantify the heat-related human health impacts that have already occurred due to climate change. Here, we use empirical data from 732 locations in 43 countries to estimate the mortality burdens associated with the additional heat exposure that has resulted from recent human-induced warming, during the period 1991-2018. Across all study countries, we find that 37.0% (range 20.5-76.3%) of warm-season heat-related deaths can be attributed to anthropogenic climate change and that increased mortality is evident on every continent. Burdens varied geographically but were of the order of dozens to hundreds of deaths per year in many locations. Our findings support the urgent need for more ambitious mitigation and adaptation strategies to minimize the public health impacts of climate change.
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Affiliation(s)
- A. M. Vicedo-Cabrera
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
- Oeschger Center for Climate Change Research, University of Bern, Bern, Switzerland
- Department of Public Health, Environments and Society, London School of Hygiene & Tropical Medicine, London, UK
| | - N. Scovronick
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - F. Sera
- Department of Public Health, Environments and Society, London School of Hygiene & Tropical Medicine, London, UK
- Department of Statistics, Computer Science and Applications ‘G. Parenti’, University of Florence, Florence, Italy
| | - D. Royé
- Department of Geography, University of Santiago de Compostela, Santiago de Compostela, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - R. Schneider
- Department of Public Health, Environments and Society, London School of Hygiene & Tropical Medicine, London, UK
- Φ-Lab, European Space Agency (ESA-ESRIN), Frascati, Italy
- The Centre on Climate Change and Planetary Health, London School of Hygiene & Tropical Medicine, London, UK
- European Centre for Medium-Range Weather Forecast (ECMWF), Reading, UK
| | - A. Tobias
- Institute of Environmental Assessment and Water Research, Spanish Council for Scientific Research, Barcelona, Spain
- School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki, Japan
| | - C. Astrom
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Y. Guo
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Y. Honda
- Faculty of Health and Sport Sciences, University of Tsukuba, Tsukuba, Japan
| | - D. M. Hondula
- School of Geographical Sciences and Urban Planning, Arizona State University, Tempe, AZ, USA
| | - R. Abrutzky
- Facultad de Ciencias Sociales, Instituto de Investigaciones Gino Germani, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - S. Tong
- Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- School of Public Health, Institute of Environment and Population Health, Anhui Medical University, Hefei, China
- School of Public Health and Social Work, Queensland University of Technology, Brisbane, Queensland, Australia
- Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | | | | | - E. Lavigne
- Air Health Science Division, Health Canada, Ottawa, Ontario, Canada
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada
| | - P. Matus Correa
- Department of Public Health, Universidad de los Andes, Santiago, Chile
| | - N. Valdes Ortega
- Department of Public Health, Universidad de los Andes, Santiago, Chile
| | - H. Kan
- School of Public Health, Fudan University, Shanghai, China
| | - S. Osorio
- Department of Environmental Health, University of São Paulo, São Paulo, Brazil
| | - J. Kyselý
- Institute of Atmospheric Physics of the Czech Academy of Sciences, Prague, Czech Republic
- Faculty of Environmental Sciences, Czech University of Life Sciences, Prague, Czech Republic
| | - A. Urban
- Institute of Atmospheric Physics of the Czech Academy of Sciences, Prague, Czech Republic
- Faculty of Environmental Sciences, Czech University of Life Sciences, Prague, Czech Republic
| | - H. Orru
- Institute of Family Medicine and Public Health, University of Tartu, Tartu, Estonia
| | - E. Indermitte
- Institute of Family Medicine and Public Health, University of Tartu, Tartu, Estonia
| | - J. J. K. Jaakkola
- Center for Environmental and Respiratory Health Research (CERH), University of Oulu, Oulu, Finland
- Finnish Meteorological Institute, Helsinki, Finland
| | - N. Ryti
- Center for Environmental and Respiratory Health Research (CERH), University of Oulu, Oulu, Finland
| | - M. Pascal
- Santé Publique France, Department of Environmental Health, French National Public Health Agency, Saint Maurice, France
| | - A. Schneider
- Institute of Epidemiology, Helmholtz Zentrum München—German Research Center for Environmental Health (GmbH), Neuherberg, Germany
| | - K. Katsouyanni
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
- MRC-PHE Centre for Environment and Health, Environmental Research Group, School of Public Health, Imperial College London, London, UK
| | - E. Samoli
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - F. Mayvaneh
- Faculty of Geography and Environmental Sciences, Hakim Sabzevari University, Sabzevar, Iran
| | - A. Entezari
- Faculty of Geography and Environmental Sciences, Hakim Sabzevari University, Sabzevar, Iran
| | - P. Goodman
- School of Physics, Technological University Dublin, Dublin, Ireland
| | - A. Zeka
- Institute for Environment, Health and Societies, Brunel University London, London, UK
| | - P. Michelozzi
- Department of Epidemiology, Lazio Regional Health Service, Rome, Italy
| | - F. de’Donato
- Department of Epidemiology, Lazio Regional Health Service, Rome, Italy
| | - M. Hashizume
- Department of Global Health Policy, School of International Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - B. Alahmad
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA, USA
| | - M. Hurtado Diaz
- Department of Environmental Health, National Institute of Public Health, Cuernavaca Morelos, Mexico
| | - C. De La Cruz Valencia
- Department of Environmental Health, National Institute of Public Health, Cuernavaca Morelos, Mexico
| | - A. Overcenco
- Laboratory of Management in Science and Public Health, National Agency for Public Health of the Ministry of Health, Chisinau, Republic of Moldova
| | - D. Houthuijs
- Centre for Sustainability and Environmental Health, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | - C. Ameling
- Centre for Sustainability and Environmental Health, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | - S. Rao
- Norwegian Institute of Public Health, Oslo, Norway
| | - F. Di Ruscio
- Norwegian Institute of Public Health, Oslo, Norway
| | - G. Carrasco-Escobar
- Health Innovation Laboratory, Institute of Tropical Medicine ‘Alexander von Humboldt’, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - X. Seposo
- Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - S. Silva
- Department of Epidemiology, Instituto Nacional de Saúde Dr Ricardo Jorge, Lisbon, Portugal
| | - J. Madureira
- Department of Enviromental Health, Instituto Nacional de Saúde Dr Ricardo Jorge, Porto, Portugal
- EPIUnit—Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal
| | - I. H. Holobaca
- Faculty of Geography, Babes-Bolay University, Cluj-Napoca, Romania
| | - S. Fratianni
- Department of Earth Sciences, University of Torino, Turin, Italy
| | - F. Acquaotta
- Department of Earth Sciences, University of Torino, Turin, Italy
| | - H. Kim
- Graduate School of Public Health & Institute of Health and Environment, Seoul National University, Seoul, Republic of Korea
| | - W. Lee
- Graduate School of Public Health & Institute of Health and Environment, Seoul National University, Seoul, Republic of Korea
| | - C. Iniguez
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
- Department of Statistics and Computational Research, Universitat de Valencia, Valencia, Spain
| | - B. Forsberg
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - M. S. Ragettli
- Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Y. L. L. Guo
- Environmental and Occupational Medicine, and Institute of Environmental and Occupational Health Sciences, National Taiwan University (NTU) and NTU Hospital, Taipei, Taiwan
- National Institute of Environmental Health Science, National Health Research Institutes, Zhunan,Taiwan
| | - B. Y. Chen
- National Institute of Environmental Health Science, National Health Research Institutes, Zhunan,Taiwan
| | - S. Li
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - B. Armstrong
- Department of Public Health, Environments and Society, London School of Hygiene & Tropical Medicine, London, UK
- The Centre on Climate Change and Planetary Health, London School of Hygiene & Tropical Medicine, London, UK
| | - A. Aleman
- Department of Preventive Medicine, School of Medicine, University of the Republic, Montevideo, Uruguay
| | - A. Zanobetti
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA, USA
| | - J. Schwartz
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA, USA
| | - T. N. Dang
- Department of Environmental Health, Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - D. V. Dung
- Department of Environmental Health, Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - N. Gillett
- Canadian Centre for Climate Modelling and Analysis, Environment and Climate Change Canada, Victoria, British Colombia, Canada
| | - A. Haines
- Department of Public Health, Environments and Society, London School of Hygiene & Tropical Medicine, London, UK
- Φ-Lab, European Space Agency (ESA-ESRIN), Frascati, Italy
| | - M. Mengel
- Potsdam Institute for Climate Impact Research, Potsdam, Germany
| | - V. Huber
- Potsdam Institute for Climate Impact Research, Potsdam, Germany
- Department of Physical, Chemical and Natural Systems, Universidad Pablo de Olavide, Seville, Spain
| | - A. Gasparrini
- Department of Public Health, Environments and Society, London School of Hygiene & Tropical Medicine, London, UK
- The Centre on Climate Change and Planetary Health, London School of Hygiene & Tropical Medicine, London, UK
- Centre for Statistical Methodology, London School of Hygiene & Tropical Medicine, London, UK
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12
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Wongputtisin P, Supo C, Suwannarach N, Honda Y, Nakazawa T, Kumla J, Lumyong S, Khanongnuch C. Filamentous fungi with high paraquat-degrading activity isolated from contaminated agricultural soils in northern Thailand. Lett Appl Microbiol 2020; 72:467-475. [PMID: 33305426 DOI: 10.1111/lam.13439] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 12/02/2020] [Accepted: 12/07/2020] [Indexed: 11/29/2022]
Abstract
The contamination of paraquat (1,1'-dimethyl-4,4'-bipyridylium dichloride) herbicide from the farming area has become a public concern in many countries. This herbicide harms to human health and negatively effects the soil fertility. Several methods have been introduced for the remediation of paraquat. In this study, 20 isolates of the paraquat-tolerant fungi were isolated from the contaminated soil samples in northern Thailand. We found that isolate PRPY-2 and PFCM-1 exhibited the highest degradation activity of paraquat on synthetic liquid medium. About 80 and 68% of paraquat were removed by PRPY-2 and PFCM-1 respectively after 15 days of cultivation. Based on the morphological characteristic and molecular analysis, the fungal isolate PRPY-2 and PFCM-1 were identified as Aspergillus tamarii and Cunninghamella sp. respectively. The biosorption of paraquat on these fungal mycelia was also investigated. It was found that only 8-10% of paraquat could be detected on their mycelia, while 24-46% of paraquat was degraded by fungal mycelia. This is the first report on paraquat degrading ability by A. tamarii and Cunninghamella sp. It is demonstrated that these filamentous fungi are promising microorganisms available for remediation of paraquat contaminated environment.
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Affiliation(s)
- P Wongputtisin
- Program in Biotechnology, Faculty of Science, Maejo University, Chiang Mai, Thailand
| | - C Supo
- Program in Biotechnology, Faculty of Science, Maejo University, Chiang Mai, Thailand
| | - N Suwannarach
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
| | - Y Honda
- Division of Environmental Science and Technology, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - T Nakazawa
- Division of Environmental Science and Technology, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - J Kumla
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
| | - S Lumyong
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
| | - C Khanongnuch
- Division of Biotechnology, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
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13
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Mori S, Ito Y, Kishida T, Fukagawa T, Nakano T, Makino K, Mizusawa M, Shirai S, Honda Y, Tsutsumi M, Sakamoto Y, Kobayashi N, Araki M, Yamawaki M, Hirano K. Occurrence and clinical course of peri-stent contrast staining: comparison between second-generation drug-eluting stents and third generation drug-eluting stents. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Peri-stent contrast staining (PSS) has been reported to be associated with very late stent thrombosis.
The aims of this study was to compare the occurrence rate of PSS between second generation drug-eluting stents (2nd DES) and third generation drug-eluting stents (3rd DES), and to identify clinical characteristics associated with PSS.
Methods and results
This study comprised 1899 patients with 2493 de novo lesions treated with 2nd or 3rd DES from October 2015 to September 2018. Follow-up angiography was available for 1883 lesions (75.5%). There were 725 patients with 968 lesions treated with 2nd DES, and 716 patients with 915 lesions treated with 3rd DES. The occurrence of PSS, types of PSS, and VLST related to PSS were compared between 2nd and 3rd DES implantation. Mean follow-up period was 30±12 months. The occurrence rate of PSS and segmental type of PSS were similar between two groups (2nd DES vs. 3rd DES, 1.5% vs. 1.7%, p=0.73, 47% vs. 50%, p=0.85, and respectively). The VLST related to PSS occurred in only one case in 3rd DES group. (0% vs. 6.3%, p=0.33).
Conclusion
The occurrence rate of PSS and clinical course were similar between 2nd and 3rd DES.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- S Mori
- Saiseikai Yokohama City Eastern Hospital, Cardiology, Yokohama, Japan
| | - Y Ito
- Saiseikai Yokohama City Eastern Hospital, Cardiology, Yokohama, Japan
| | - T Kishida
- Saiseikai Yokohama City Eastern Hospital, Cardiology, Yokohama, Japan
| | - T Fukagawa
- Saiseikai Yokohama City Eastern Hospital, Cardiology, Yokohama, Japan
| | - T Nakano
- Saiseikai Yokohama City Eastern Hospital, Cardiology, Yokohama, Japan
| | - K Makino
- Saiseikai Yokohama City Eastern Hospital, Cardiology, Yokohama, Japan
| | - M Mizusawa
- Saiseikai Yokohama City Eastern Hospital, Cardiology, Yokohama, Japan
| | - S Shirai
- Saiseikai Yokohama City Eastern Hospital, Cardiology, Yokohama, Japan
| | - Y Honda
- Saiseikai Yokohama City Eastern Hospital, Cardiology, Yokohama, Japan
| | - M Tsutsumi
- Saiseikai Yokohama City Eastern Hospital, Cardiology, Yokohama, Japan
| | - Y Sakamoto
- Saiseikai Yokohama City Eastern Hospital, Cardiology, Yokohama, Japan
| | - N Kobayashi
- Saiseikai Yokohama City Eastern Hospital, Cardiology, Yokohama, Japan
| | - M Araki
- Saiseikai Yokohama City Eastern Hospital, Cardiology, Yokohama, Japan
| | - M Yamawaki
- Saiseikai Yokohama City Eastern Hospital, Cardiology, Yokohama, Japan
| | - K Hirano
- Saiseikai Yokohama City Eastern Hospital, Cardiology, Yokohama, Japan
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14
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Yang X, Pristovsek M, Nitta S, Liu Y, Honda Y, Koide Y, Kawarada H, Amano H. Epitaxial Combination of Two-Dimensional Hexagonal Boron Nitride with Single-Crystalline Diamond Substrate. ACS Appl Mater Interfaces 2020; 12:46466-46475. [PMID: 32940029 DOI: 10.1021/acsami.0c11883] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Hexagonal boron nitride (hBN) and diamond are promising materials for next-generation electronics and optoelectronics. However, their combination is rarely reported. In this study, we for the first time demonstrate the success to direct growth of two-dimensional (2D) hBN crystal layers on diamond substrates by metalorganic vapor phase epitaxy. Compared with the disordered growth we found on diamond (100), atomic force microscopy, X-ray diffraction, and transmission electron microscopy results all support 2D hBN with highly oriented lattice formation on diamond (111). Also, the epitaxial relationship between hBN and diamond (111) substrate is revealed to be [0 0 0 1]hBN // [1 1 1]diamond and [1 0 1̅ 0]hBN // [1 1 2̅]diamond. The valence band offset at hBN/diamond (111) heterointerface determined by X-ray photoelectron spectroscopy is 1.4 ± 0.2 eV, thus yielding a conduction band offset of 1.0 ± 0.2 eV and type II staggered band alignment with a bandgap of 5.9 eV assumed for hBN. Furthermore, prior thermal cleaning of diamond in a pure H2 atmosphere smoothens the surface for well-ordered layered hBN epitaxy, while thermal cleaning in a mixed H2 and NH3 atmosphere etches the diamond surface, creating many small faceted pits that destroy the following epitaxy of hBN.
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Affiliation(s)
- Xu Yang
- Venture Business Laboratory, Nagoya University, Nagoya 464-8603, Japan
| | - Markus Pristovsek
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya 464-8601, Japan
| | - Shugo Nitta
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya 464-8601, Japan
| | - Yuhuai Liu
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya 464-8601, Japan
- National Center for International Joint Research of Electronic Materials and Systems, School of Information Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Yoshio Honda
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya 464-8601, Japan
| | - Yasuo Koide
- National Institute for Materials Science, Tsukuba 305-0044, Japan
| | | | - Hiroshi Amano
- Venture Business Laboratory, Nagoya University, Nagoya 464-8603, Japan
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya 464-8601, Japan
- Akasaki Research Center, Nagoya University, Nagoya 464-8603, Japan
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15
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Tomida N, Muramatsu N, Niiyama M, Ahn JK, Chang WC, Chen JY, Chu ML, Daté S, Gogami T, Goto H, Hamano H, Hashimoto T, He QH, Hicks K, Hiraiwa T, Honda Y, Hotta T, Ikuno H, Inoue Y, Ishikawa T, Jaegle I, Jo JM, Kasamatsu Y, Katsuragawa H, Kido S, Kon Y, Maruyama T, Masumoto S, Matsumura Y, Miyabe M, Mizutani K, Nagahiro H, Nakamura T, Nakano T, Nam T, Ngan TNT, Nozawa Y, Ohashi Y, Ohnishi H, Ohta T, Ozawa K, Rangacharyulu C, Ryu SY, Sada Y, Sasagawa M, Shibukawa T, Shimizu H, Shirai R, Shiraishi K, Strokovsky EA, Sugaya Y, Sumihama M, Suzuki S, Tanaka S, Tokiyasu A, Tsuchikawa Y, Ueda T, Yamazaki H, Yamazaki R, Yanai Y, Yorita T, Yoshida C, Yosoi M. Search for η^{'} Bound Nuclei in the ^{12}C(γ,p) Reaction with Simultaneous Detection of Decay Products. Phys Rev Lett 2020; 124:202501. [PMID: 32501086 DOI: 10.1103/physrevlett.124.202501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 02/11/2020] [Accepted: 04/30/2020] [Indexed: 06/11/2023]
Abstract
We measured missing mass spectrum of the ^{12}C(γ,p) reaction for the first time in coincidence with potential decay products from η^{'} bound nuclei. We tagged an (η+p) pair associated with the η^{'}N→ηN process in a nucleus. After applying kinematical selections to reduce backgrounds, no signal events were observed in the bound-state region. An upper limit of the signal cross section in the opening angle cosθ_{lab}^{ηp}<-0.9 was obtained to be 2.2 nb/sr at the 90% confidence level. It is compared with theoretical cross sections, whose normalization ambiguity is suppressed by measuring a quasifree η^{'} production rate. Our results indicate a small branching fraction of the η^{'}N→ηN process and/or a shallow η^{'}-nucleus potential.
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Affiliation(s)
- N Tomida
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - N Muramatsu
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - M Niiyama
- Department of Physics, Kyoto Sangyo University, Kyoto 603-8555, Japan
| | - J K Ahn
- Department of Physics, Korea University, Seoul 02841, Republic of Korea
| | - W C Chang
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
| | - J Y Chen
- National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan
| | - M L Chu
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
| | - S Daté
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
- Japan Synchrotron Radiation Research Institute (SPring-8), Sayo, Hyogo 679-5198, Japan
| | - T Gogami
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - H Goto
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - H Hamano
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - T Hashimoto
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - Q H He
- Department of Nuclear Science & Engineering, College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - K Hicks
- Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA
| | - T Hiraiwa
- RIKEN SPring-8 Center, Sayo, Hyogo 679-5148, Japan
| | - Y Honda
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - T Hotta
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - H Ikuno
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - Y Inoue
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - T Ishikawa
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - I Jaegle
- Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA
| | - J M Jo
- Department of Physics, Korea University, Seoul 02841, Republic of Korea
| | - Y Kasamatsu
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - H Katsuragawa
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - S Kido
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - Y Kon
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
- Institute for Radiation Sciences, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - T Maruyama
- College of Bioresource Sciences, Nihon University, Fujisawa, Kanagawa 252-8510, Japan
| | - S Masumoto
- Department of Physics, University of Tokyo, Tokyo 113-0033, Japan
| | - Y Matsumura
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - M Miyabe
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - K Mizutani
- Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA
| | - H Nagahiro
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
- Department of Physics, Nara Women's University, Nara 630-8506, Japan
| | - T Nakamura
- Department of Education, Gifu University, Gifu 501-1193, Japan
| | - T Nakano
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - T Nam
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - T N T Ngan
- Nuclear Physics Department, University of Science, Vietnam National University, Ho Chi Minh City 72711, Vietnam
| | - Y Nozawa
- Department of Radiology, The University of Tokyo Hospital, Tokyo 113-8655, Japan
| | - Y Ohashi
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - H Ohnishi
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - T Ohta
- Department of Radiology, The University of Tokyo Hospital, Tokyo 113-8655, Japan
| | - K Ozawa
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - C Rangacharyulu
- Department of Physics and Engineering Physics, University of Saskatchewan, Saskatoon SK S7N 5E2, Canada
| | - S Y Ryu
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - Y Sada
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - M Sasagawa
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - T Shibukawa
- Department of Physics, University of Tokyo, Tokyo 113-0033, Japan
| | - H Shimizu
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - R Shirai
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - K Shiraishi
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - E A Strokovsky
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
- Laboratory of High Energy Physics, Joint Institute for Nuclear Research, Dubna, Moscow Region 142281, Russia
| | - Y Sugaya
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - M Sumihama
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
- Department of Education, Gifu University, Gifu 501-1193, Japan
| | - S Suzuki
- Japan Synchrotron Radiation Research Institute (SPring-8), Sayo, Hyogo 679-5198, Japan
| | - S Tanaka
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - A Tokiyasu
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - Y Tsuchikawa
- J-PARC Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - T Ueda
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - H Yamazaki
- Radiation Science Center, High Energy Accelerator Research Organization (KEK), Tokai, Ibaraki 319-1195, Japan
| | - R Yamazaki
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - Y Yanai
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - T Yorita
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - C Yoshida
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - M Yosoi
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
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16
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Yamamoto K, Nakano K, Tanaka A, Honda Y, Ando Y, Ogura M, Matsumoto M, Anada S, Ishikawa Y, Amano H, Hirayama T. Visualization of different carrier concentrations in n-type-GaN semiconductors by phase-shifting electron holography with multiple electron biprisms. ACTA ACUST UNITED AC 2020; 69:1-10. [PMID: 31711167 DOI: 10.1093/jmicro/dfz037] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 09/14/2019] [Accepted: 09/16/2019] [Indexed: 11/13/2022]
Abstract
Phase-shifting electron holography (PS-EH) using a transmission electron microscope (TEM) was applied to visualize layers with different concentrations of carriers activated by Si (at dopant levels of 1019, 1018, 1017 and 1016 atoms cm-3) in n-type GaN semiconductors. To precisely measure the reconstructed phase profiles in the GaN sample, three electron biprisms were used to obtain a series of high-contrast holograms without Fresnel fringes generated by a biprism filament, and a cryo-focused-ion-beam (cryo-FIB) was used to prepare a uniform TEM sample with less distortion in the wide field of view. All layers in a 350-nm-thick TEM sample were distinguished with 1.8-nm spatial resolution and 0.02-rad phase-resolution, and variations of step width in the phase profile (corresponding to depletion width) at the interfaces between the layers were also measured. Thicknesses of the active and inactive layers at each dopant level were estimated from the observed phase profile and the simulation of theoretical band structure. Ratio of active-layer thickness to total thickness of the TEM sample significantly decreased as dopant concentration decreased; thus, a thicker TEM sample is necessary to visualize lower carrier concentrations; for example, to distinguish layers with dopant concentrations of 1016 and 1015 atoms cm-3. It was estimated that sample thickness must be more than 700 nm to make it be possible to detect sub-layers by the combination of PS-EH and cryo-FIB.
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Affiliation(s)
- Kazuo Yamamoto
- Nanostructures Research Laboratory, Japan Fine Ceramics Center, 2-4-1 Mutsuno, Atsuta-ku, Nagoya, Aichi 456-8587, Japan
| | - Kiyotaka Nakano
- Nanostructures Research Laboratory, Japan Fine Ceramics Center, 2-4-1 Mutsuno, Atsuta-ku, Nagoya, Aichi 456-8587, Japan
| | - Atsushi Tanaka
- Institute of Materials and Systems for Sustainability, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
| | - Yoshio Honda
- Institute of Materials and Systems for Sustainability, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
| | - Yuto Ando
- Department of Electronics, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
| | - Masaya Ogura
- Department of Electronics, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
| | - Miko Matsumoto
- Nanostructures Research Laboratory, Japan Fine Ceramics Center, 2-4-1 Mutsuno, Atsuta-ku, Nagoya, Aichi 456-8587, Japan
| | - Satoshi Anada
- Nanostructures Research Laboratory, Japan Fine Ceramics Center, 2-4-1 Mutsuno, Atsuta-ku, Nagoya, Aichi 456-8587, Japan
| | - Yukari Ishikawa
- Institute of Materials and Systems for Sustainability, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan.,Materials Research and Development Laboratory, Japan Fine Ceramics Center, 2-4-1 Mutsuno, Atsuta-ku, Nagoya, Aichi 456-8587, Japan
| | - Hiroshi Amano
- Institute of Materials and Systems for Sustainability, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan.,Akasaki Research Center, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
| | - Tsukasa Hirayama
- Nanostructures Research Laboratory, Japan Fine Ceramics Center, 2-4-1 Mutsuno, Atsuta-ku, Nagoya, Aichi 456-8587, Japan.,Institute of Materials and Systems for Sustainability, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
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17
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Honda Y, Momosaki R, Ogata N. Nasogastric Tube Feeding Versus Total Parenteral Nutrition in Older Dysphagic Patients with Pneumonia: Retrospective Cohort Study. J Nutr Health Aging 2020; 24:883-887. [PMID: 33009540 DOI: 10.1007/s12603-020-1414-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVES Many older patients with pneumonia cannot intake orally after admission and may need nutritional care such as nasogastric tube feeding or total parenteral nutrition. This study sought to compare in-hospital outcomes between patients receiving nasogastric tube feeding and total parenteral nutrition. DESIGN This is a retrospective cohort study. SETTING A hospital-based database constructed by the Diagnosis Procedure Combination survey data comprising more than 100 acute-care hospitals. PARTICIPANTS The study included consecutive older inpatients aged >65 years admitted to participating hospitals with a diagnosis of pneumonia from 2014 through 2017. MEASUREMENTS We compared patients who received total parenteral nutrition and those who received nasogastric tube feeding in terms of characteristics and outcomes. RESULTS Among the included inpatients, a total of 336 (73.2%) patients received total parenteral nutrition and 123 (26.8%) patients received nasogastric tube feeding. Patients with nasogastric tube feeding had less in-hospital mortality (13.8% vs 27.1%, p = 0.003) and a smaller number of complications (mean; 0.71 vs 1.44, p <0.001), shorter length of hospital stay (mean; 27.6 vs 48.9, p <0.001), more discharges home (72.4% vs 35.1%, p <0.001), and more discharges without oral intake (65.9% vs 45.8%, p <0.001) than patients with total parenteral nutrition. The same results were obtained in propensity score analysis. CONCLUSIONS Older patients with pneumonia treated with total parenteral nutrition were significantly more likely to have higher in-hospital mortality than those receiving nasogastric tube feeding.
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Affiliation(s)
- Y Honda
- Ryo Momosaki, MD, PhD, MPH, Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie 514-8507, Japan, Tel: +81 59 232 1111; Fax: +81 59 231 5661, E-mail:
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18
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Sandupatla A, Arulkumaran S, Ranjan K, Ng GI, Murmu PP, Kennedy J, Nitta S, Honda Y, Deki M, Amano H. Low Voltage High-Energy α-Particle Detectors by GaN-on-GaN Schottky Diodes with Record-High Charge Collection Efficiency. Sensors (Basel) 2019; 19:s19235107. [PMID: 31766532 PMCID: PMC6928794 DOI: 10.3390/s19235107] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 11/14/2019] [Accepted: 11/19/2019] [Indexed: 11/22/2022]
Abstract
A low voltage (−20 V) operating high-energy (5.48 MeV) α-particle detector with a high charge collection efficiency (CCE) of approximately 65% was observed from the compensated (7.7 × 1014 /cm3) metalorganic vapor phase epitaxy (MOVPE) grown 15 µm thick drift layer gallium nitride (GaN) Schottky diodes on free-standing n+-GaN substrate. The observed CCE was 30% higher than the bulk GaN (400 µm)-based Schottky barrier diodes (SBD) at −20 V. This is the first report of α–particle detection at 5.48 MeV with a high CCE at −20 V operation. In addition, the detectors also exhibited a three-times smaller variation in CCE (0.12 %/V) with a change in bias conditions from −120 V to −20 V. The dramatic reduction in CCE variation with voltage and improved CCE was a result of the reduced charge carrier density (CCD) due to the compensation by Mg in the grown drift layer (DL), which resulted in the increased depletion width (DW) of the fabricated GaN SBDs. The SBDs also reached a CCE of approximately 96.7% at −300 V.
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Affiliation(s)
- Abhinay Sandupatla
- School of Electrical and Electronics Engineering, Nanyang Technological University, Singapore 639798, Singapore
- Correspondence: (A.S.); (G.I.N.)
| | - Subramaniam Arulkumaran
- Temasek Laboratories @ NTU, Research Techno Plaza, 50 Nanyang Drive, Singapore 639798, Singapore (K.R.)
- Center for Integrated Research of Future Electronics (CIRFE), IMaSS, Nagoya University, Nagoya 464-8603, Japan (Y.H.); (M.D.); (H.A.)
| | - Kumud Ranjan
- Temasek Laboratories @ NTU, Research Techno Plaza, 50 Nanyang Drive, Singapore 639798, Singapore (K.R.)
| | - Geok Ing Ng
- School of Electrical and Electronics Engineering, Nanyang Technological University, Singapore 639798, Singapore
- Temasek Laboratories @ NTU, Research Techno Plaza, 50 Nanyang Drive, Singapore 639798, Singapore (K.R.)
- Correspondence: (A.S.); (G.I.N.)
| | - Peter P. Murmu
- National Isotope Center, GNS Science, Lower Hutt 5010, New Zealand; (P.P.M.); (J.K.)
| | - John Kennedy
- National Isotope Center, GNS Science, Lower Hutt 5010, New Zealand; (P.P.M.); (J.K.)
| | - Shugo Nitta
- Center for Integrated Research of Future Electronics (CIRFE), IMaSS, Nagoya University, Nagoya 464-8603, Japan (Y.H.); (M.D.); (H.A.)
| | - Yoshio Honda
- Center for Integrated Research of Future Electronics (CIRFE), IMaSS, Nagoya University, Nagoya 464-8603, Japan (Y.H.); (M.D.); (H.A.)
| | - Manato Deki
- Center for Integrated Research of Future Electronics (CIRFE), IMaSS, Nagoya University, Nagoya 464-8603, Japan (Y.H.); (M.D.); (H.A.)
| | - Hiroshi Amano
- Center for Integrated Research of Future Electronics (CIRFE), IMaSS, Nagoya University, Nagoya 464-8603, Japan (Y.H.); (M.D.); (H.A.)
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19
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Sugisaka J, Sugawara S, Toi Y, Ogasawara T, Aso M, Tsurumi K, Ono K, Shimizu H, Domeki Y, Aiba T, Kawana S, Saito R, Terayama K, Kawashima Y, Nakamura A, Yamanda S, Kimura Y, Honda Y. Pembrolizumab plus chemotherapy versus pembrolizumab monotherapy for PD-L1-positive advanced non-small cell lung cancer in the real world. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz438.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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20
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Dinh DV, Hu N, Honda Y, Amano H, Pristovsek M. Aluminium incorporation in polar, semi- and non-polar AlGaN layers: a comparative study of x-ray diffraction and optical properties. Sci Rep 2019; 9:15802. [PMID: 31676798 PMCID: PMC6825158 DOI: 10.1038/s41598-019-52067-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 10/04/2019] [Indexed: 11/09/2022] Open
Abstract
Growth of AlxGa1−xN layers (0 ≤ x ≤ 1) simultaneously on polar (0001), semipolar (\documentclass[12pt]{minimal}
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\begin{document}$$10\bar{{\rm{1}}}$$\end{document}101¯3) and (\documentclass[12pt]{minimal}
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\begin{document}$$11\bar{{\rm{2}}}2$$\end{document}112¯2), as well as nonpolar (\documentclass[12pt]{minimal}
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\begin{document}$$10\bar{{\rm{1}}}0$$\end{document}101¯0) and (\documentclass[12pt]{minimal}
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\begin{document}$$11\bar{{\rm{2}}}0$$\end{document}112¯0) AlN templates, which were grown on planar sapphire substrates, has been investigated by metal-organic vapour phase epitaxy. By taking into account anisotropic in-plane strain of semi- and non-polar layers, their aluminium incorporation has been determined by x-ray diffraction analysis. Optical emission energy of the layers was obtained from room-temperature photoluminescence spectra, and their effective bandgap energy was estimated from room-temperature pseudo-dielectric functions. Both x-ray diffraction and optical data consistently show that aluminium incorporation is comparable on the polar, semi- and non-polar planes.
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Affiliation(s)
- Duc V Dinh
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya, 464-8601, Japan.
| | - Nan Hu
- School of Engineering, Nagoya University, Nagoya, 464-8603, Japan
| | - Yoshio Honda
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya, 464-8601, Japan
| | - Hiroshi Amano
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya, 464-8601, Japan.,Akasaki Research Center, Nagoya University, Nagoya, 464-8603, Japan
| | - Markus Pristovsek
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya, 464-8601, Japan
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21
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Inoue M, Yoshida J, Oka S, Honda Y, Chikaishi Y, Yasuda D. P1.04-53 A High PD-L1 Expression in Non-Small Cell Lung Cancer Correlates with Expression of SPOP and CD8 Tumor-Infiltrating Lymphocytes. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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22
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Toi Y, Sugawara S, Aso M, Tsurumi K, Ono K, Sugisaka J, Shimizu H, Ono H, Domeki Y, Aiba T, Kawana S, Saito R, Terayama K, Kawashima Y, Nakamura A, Yamanda S, Kimura Y, Honda Y. P1.16-29 Profiling Immune-Related Adverse Events (irAEs) in Patients with Anti-PD-1 for Advanced Non-Small Cell Lung Cancer. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1255] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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23
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Tsuji S, Matsuzaki H, Iseki M, Nagasu A, Hirano H, Ishihara K, Ueda N, Honda Y, Horiuchi T, Nishikomori R, Morita Y, Mukai T. Functional analysis of a novel G87V TNFRSF1A mutation in patients with TNF receptor-associated periodic syndrome. Clin Exp Immunol 2019; 198:416-429. [PMID: 31429073 DOI: 10.1111/cei.13365] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/14/2019] [Indexed: 12/17/2022] Open
Abstract
Tumor necrosis factor (TNF) receptor-associated periodic syndrome (TRAPS) is an autoinflammatory disease that is caused by heterozygous mutations in the TNFRSF1A gene. Although more than 150 TNFRSF1A mutations have been reported to be associated with TRAPS phenotypes only a few, such as p.Thr79Met (T79M) and cysteine mutations, have been functionally analyzed. We identified two TRAPS patients in one family harboring a novel p.Gly87Val (G87V) mutation in addition to a p.Thr90Ile (T90I) mutation in TNFRSF1A. In this study, we examined the functional features of this novel G87V mutation. In-vitro analyses using mutant TNF receptor 1 (TNF-R1)-over-expressing cells demonstrated that this mutation alters the expression and function of TNF-R1 similar to that with the previously identified pathogenic T79M mutation. Specifically, cell surface expression of the mutant TNF-R1 in transfected cells was inhibited with both G87V and T79M mutations, whereas the T90I mutation did not affect this. Moreover, peripheral blood mononuclear cells (PBMCs) from TRAPS patients harboring the G87V and T90I mutations showed increased mitochondrial reactive oxygen species (ROS). Furthermore, the effect of various Toll-like receptor (TLR) ligands on inflammatory responses was explored, revealing that PBMCs from TRAPS patients are hyper-responsive to TLR-2 and TLR-4 ligands and that interleukin (IL)-8 and granulocyte-macrophage colony-stimulating factor (GM-CSF) are likely to be involved in the pathogenesis of TRAPS. These findings suggest that the newly identified G87V mutation is one of the causative mutations of TRAPS. Our findings based on unique TRAPS-associated mutations provide novel insight for clearer understanding of inflammatory responses, which would be basic findings of developing a new therapeutic and prophylactic approach to TRAPS.
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Affiliation(s)
- S Tsuji
- Department of Rheumatology, Kawasaki Medical School, Kurashiki, Okayama, Japan
| | - H Matsuzaki
- Department of Life Sciences, Faculty of Life and Environmental Sciences, Prefectural University of Hiroshima, Shobara, Hiroshima, Japan
| | - M Iseki
- Department of Immunology and Molecular Genetics, Kawasaki Medical School, Kurashiki, Okayama, Japan
| | - A Nagasu
- Department of Rheumatology, Kawasaki Medical School, Kurashiki, Okayama, Japan
| | - H Hirano
- Department of Rheumatology, Kawasaki Medical School, Kurashiki, Okayama, Japan
| | - K Ishihara
- Department of Immunology and Molecular Genetics, Kawasaki Medical School, Kurashiki, Okayama, Japan
| | - N Ueda
- Department of Internal Medicine, Miyazaki Prefectural Miyazaki Hospital, Miyazaki, Japan
| | - Y Honda
- Department of Pediatrics, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - T Horiuchi
- Department of Internal Medicine, Kyushu University Beppu Hospital, Beppu, Oita, Japan
| | - R Nishikomori
- Department of Pediatrics, Kyoto University Graduate School of Medicine, Kyoto, Japan.,Department of Pediatrics and Child Health, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Y Morita
- Department of Rheumatology, Kawasaki Medical School, Kurashiki, Okayama, Japan
| | - T Mukai
- Department of Rheumatology, Kawasaki Medical School, Kurashiki, Okayama, Japan
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24
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Gando A, Gando Y, Hachiya T, Ha Minh M, Hayashida S, Honda Y, Hosokawa K, Ikeda H, Inoue K, Ishidoshiro K, Kamei Y, Kamizawa K, Kinoshita T, Koga M, Matsuda S, Mitsui T, Nakamura K, Ono A, Ota N, Otsuka S, Ozaki H, Shibukawa Y, Shimizu I, Shirahata Y, Shirai J, Sato T, Soma K, Suzuki A, Takeuchi A, Tamae K, Ueshima K, Watanabe H, Chernyak D, Kozlov A, Obara S, Yoshida S, Takemoto Y, Umehara S, Fushimi K, Hirata S, Berger BE, Fujikawa BK, Learned JG, Maricic J, Winslow LA, Efremenko Y, Karwowski HJ, Markoff DM, Tornow W, O'Donnell T, Detwiler JA, Enomoto S, Decowski MP, Menéndez J, Dvornický R, Šimkovic F. Precision Analysis of the ^{136}Xe Two-Neutrino ββ Spectrum in KamLAND-Zen and Its Impact on the Quenching of Nuclear Matrix Elements. Phys Rev Lett 2019; 122:192501. [PMID: 31144924 DOI: 10.1103/physrevlett.122.192501] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Revised: 03/11/2019] [Indexed: 06/09/2023]
Abstract
We present a precision analysis of the ^{136}Xe two-neutrino ββ electron spectrum above 0.8 MeV, based on high-statistics data obtained with the KamLAND-Zen experiment. An improved formalism for the two-neutrino ββ rate allows us to measure the ratio of the leading and subleading 2νββ nuclear matrix elements (NMEs), ξ_{31}^{2ν}=-0.26_{-0.25}^{+0.31}. Theoretical predictions from the nuclear shell model and the majority of the quasiparticle random-phase approximation (QRPA) calculations are consistent with the experimental limit. However, part of the ξ_{31}^{2ν} range allowed by the QRPA is excluded by the present measurement at the 90% confidence level. Our analysis reveals that predicted ξ_{31}^{2ν} values are sensitive to the quenching of NMEs and the competing contributions from low- and high-energy states in the intermediate nucleus. Because these aspects are also at play in neutrinoless ββ decay, ξ_{31}^{2ν} provides new insights toward reliable neutrinoless ββ NMEs.
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Affiliation(s)
- A Gando
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - Y Gando
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - T Hachiya
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - M Ha Minh
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - S Hayashida
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - Y Honda
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Hosokawa
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - H Ikeda
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Inoue
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
| | - K Ishidoshiro
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - Y Kamei
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Kamizawa
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - T Kinoshita
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - M Koga
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
| | - S Matsuda
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - T Mitsui
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Nakamura
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
| | - A Ono
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - N Ota
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - S Otsuka
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - H Ozaki
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - Y Shibukawa
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - I Shimizu
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - Y Shirahata
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - J Shirai
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - T Sato
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Soma
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - A Suzuki
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - A Takeuchi
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Tamae
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Ueshima
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - H Watanabe
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - D Chernyak
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
| | - A Kozlov
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
| | - S Obara
- Kyoto University, Department of Physics, Kyoto 606-8502, Japan
| | - S Yoshida
- Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Y Takemoto
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - S Umehara
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - K Fushimi
- Department of Physics, Tokushima University, Tokushima 770-8506, Japan
| | - S Hirata
- Graduate School of Integrated Arts and Sciences, Tokushima University, Tokushima 770-8502, Japan
| | - B E Berger
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - B K Fujikawa
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - J G Learned
- Department of Physics and Astronomy, University of Hawaii at Manoa, Honolulu, Hawaii 96822, USA
| | - J Maricic
- Department of Physics and Astronomy, University of Hawaii at Manoa, Honolulu, Hawaii 96822, USA
| | - L A Winslow
- Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Y Efremenko
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - H J Karwowski
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA; Physics Departments at Duke University, Durham, North Carolina 27708, USA; North Carolina Central University, Durham, North Carolina 27707, USA; and The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
| | - D M Markoff
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA; Physics Departments at Duke University, Durham, North Carolina 27708, USA; North Carolina Central University, Durham, North Carolina 27707, USA; and The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
| | - W Tornow
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA; Physics Departments at Duke University, Durham, North Carolina 27708, USA; North Carolina Central University, Durham, North Carolina 27707, USA; and The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
| | - T O'Donnell
- Center for Neutrino Physics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA
| | - J A Detwiler
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
- Center for Experimental Nuclear Physics and Astrophysics, University of Washington, Seattle, Washington 98195, USA
| | - S Enomoto
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
- Center for Experimental Nuclear Physics and Astrophysics, University of Washington, Seattle, Washington 98195, USA
| | - M P Decowski
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
- Nikhef and the University of Amsterdam, Science Park, Amsterdam, the Netherlands
| | - J Menéndez
- Center for Nuclear Study, The University of Tokyo, Tokyo 113-0033, Japan
| | - R Dvornický
- Department of Nuclear Physics and Biophysics, Comenius University, Mlynská dolina F1, SK-842 48 Bratislava, Slovakia
- Dzhelepov Laboratory of Nuclear Problems, JINR 141980 Dubna, Russia
| | - F Šimkovic
- Department of Nuclear Physics and Biophysics, Comenius University, Mlynská dolina F1, SK-842 48 Bratislava, Slovakia
- Bogoliubov Laboratory of Theoretical Physics, JINR 141980 Dubna, Russia
- Czech Technical University in Prague, 128-00 Prague, Czech Republic
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Yasui K, Katagiri H, Onoe T, Ogawa H, Harada H, Asakura H, Maki S, Nakura A, Ito Y, Hirata M, Murayama S, Honda Y, Miyagi M, Wasa J, Murata H, Takahashi M, Nishimura T. PO-0880 Validation of a predictive model for survival in patients receiving radiotherapy for bone metastases. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)31300-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Miyamoto H, Saita C, Onishi M, Goto R, Iwamoto N, Honda Y, Aruga T. Abstract P4-08-16: Validation of the AJCC eighth edition prognostic stage compared with the anatomic stage for breast cancer with a Japanese single-institutional cohort. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p4-08-16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: The American Joint Committee for Cancer (AJCC) 8th edition cancer staging system for breast cancer incorporated biologic factors in addition to the 7th edition anatomic stage. We analyzed how the new AJCC 8th edition prognostic stage refined its stratification compared with the anatomic stage.
Methods: We reviewed the data of 4,134 patients with stage I to III breast cancer who underwent surgery at Tokyo Metropolitan Komagome Hospital between 2000 and 2016. The anatomic stage and prognostic stage were re-staged according to the AJCC 8th edition staging manual. Patients who received neoadjuvant chemotherapy or had bilateral breast cancer and those with unknown clinicopathologic factors were excluded. The 21-gene Oncotype DX breast recurrence score was not used for staging in this study.
Results: A total of 2,469 patients with a median follow-up of 4.7 years (range 0.1-15.5 years) were identified. According to the anatomic stage, there were 1,259 patients of stage IA, 132 of IB, 591 of IIA, 206 of IIB, 130 of IIIA, 14 of IIIB and 73 of IIIC. According to the prognostic stage, there were 1,610 patients of stage IA, 331 of IB, 236 of IIA, 73 of IIB, 85 of IIIA, 43 of IIIB and 27 of IIIC. Sixty-four patients (2.6%) could not be assigned using the new staging system for the presence of micrometastases in lymph nodes with tumors larger than 2 cm. The 5-year disease-free survival (DFS) rates according to the anatomic stage were 97.4% for stage IA, 97.1% for IB, 95.8% for IIA, 86.5% for IIB, 77.9% for IIIA, 49.2% for IIIB and 54.9% for IIIC. According to the prognostic stage, the 5-year DFS rates were 97.9% for stage IA, 92.9% for IB, 91.2% for IIA, 79.8% for IIB, 67.4% for IIIA, 53.3% for IIIB and 38.7% for IIIC. Compared with the AJCC anatomic stage, the prognostic stage was increased in 148 patients (6.2%) and decreased in 808 patients (32.8%). For those in whom the stage changed, the change was by one stage up or down in 463 (19.3%), by 2 stages up or down in 401 (16.7%) and by 3 stages up or down in 92 (3.8%). Of the 1,842 patients with hormone receptor (HR)-positive and human epidermal growth factor 2 (HER2)-negative (HR+/HER2-) disease, 40.5% (745/1842) of cases were downstaged, and 0.7% (1/1842) were upstaged.
Discussion: The AJCC 8th edition prognostic staging system provided more refined stratification than the anatomic stage. In the Japanese cohort, the proportion of the downstaging rate was higher than the upstaging rate, and the prognostic evaluation of HR+ patients in particular was improved.
Citation Format: Miyamoto H, Saita C, Onishi M, Goto R, Iwamoto N, Honda Y, Aruga T. Validation of the AJCC eighth edition prognostic stage compared with the anatomic stage for breast cancer with a Japanese single-institutional cohort [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P4-08-16.
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Affiliation(s)
- H Miyamoto
- Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital, Tokyo, Japan
| | - C Saita
- Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital, Tokyo, Japan
| | - M Onishi
- Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital, Tokyo, Japan
| | - R Goto
- Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital, Tokyo, Japan
| | - N Iwamoto
- Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital, Tokyo, Japan
| | - Y Honda
- Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital, Tokyo, Japan
| | - T Aruga
- Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital, Tokyo, Japan
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Nakamori S, Hiromi M, Mori E, Saita C, Onishi M, Goto R, Iwamoto N, Honda Y, Aruga T. The clinical outcomes of sentinel node-positive breast cancer patients treated without axillary lymph node dissection. Eur J Surg Oncol 2019. [DOI: 10.1016/j.ejso.2018.10.139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Mori E, Miyamoto H, Nakamori S, Saita C, Onishi M, Iwamoto N, Goto R, Honda Y, Aruga T, Horio H. The pathological assessment of pulmonary nodules in breast cancer patients by video-assisted thoracoscopic surgery. Eur J Surg Oncol 2019. [DOI: 10.1016/j.ejso.2018.10.137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Aso M, Sugawara S, Toi Y, Sugisaka J, Ono H, Tsurumi K, Suzuki K, Shimizu H, Domeki Y, Aiba T, Kawana S, Saito R, Terayama K, Kawashima Y, Nakamura A, Yamanda S, Kimura Y, Honda Y. Profiling of immune related adverse events from nivolumab or pembrolizumab monotherapy in advanced non-small cell lung cancer in real world. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy425.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Tani K, Houchi H, Kosaka S, Kaji M, Tsuji S, Higuchi K, Isobe Y, Honda Y, Kouzai M, Yamashita S. P3.07-14 Collaborations of Pharmacists with Lung Cancer Treatment by Prepared Patients Controlled Analgesia (PCA) for Perioperative Pain Control. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Takemoto H, Kado A, Furukawa M, Honda Y, Kitani H, Shakushiro S, Katsuura C, Mizuno S, Saito H, Takachi K. Examination of nutritional status and prognostic prediction of terminal cancer patients based on the results of nutrition day. Clin Nutr 2018. [DOI: 10.1016/j.clnu.2018.06.1336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Hamatani Y, Nagai T, Honda Y, Nakano H, Honda S, Iwakami N, Asaumi Y, Aiba T, Noguchi T, Kusano K, Yokoyama H, Toyoda K, Yasuda S, Ogawa H, Anzai T. P6385Impact of admission plasma D-dimer level on short-term risk of ischemic stroke in hospitalized patients with acute heart failure. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p6385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Y Hamatani
- National Cerebral and Cardiovascular Center, Cardiovascular Medicine, Osaka, Japan
| | - T Nagai
- Hokkaido University Graduate School of Medicine, Cardiovascular Medicine, Hokkaido, Japan
| | - Y Honda
- National Cerebral and Cardiovascular Center, Cardiovascular Medicine, Osaka, Japan
| | - H Nakano
- National Cerebral and Cardiovascular Center, Cardiovascular Medicine, Osaka, Japan
| | - S Honda
- National Cerebral and Cardiovascular Center, Cardiovascular Medicine, Osaka, Japan
| | - N Iwakami
- National Cerebral and Cardiovascular Center, Cardiovascular Medicine, Osaka, Japan
| | - Y Asaumi
- National Cerebral and Cardiovascular Center, Cardiovascular Medicine, Osaka, Japan
| | - T Aiba
- National Cerebral and Cardiovascular Center, Cardiovascular Medicine, Osaka, Japan
| | - T Noguchi
- National Cerebral and Cardiovascular Center, Cardiovascular Medicine, Osaka, Japan
| | - K Kusano
- National Cerebral and Cardiovascular Center, Cardiovascular Medicine, Osaka, Japan
| | - H Yokoyama
- National Cerebral and Cardiovascular Center, Cardiovascular Medicine, Osaka, Japan
| | - K Toyoda
- National Cerebral and Cardiovascular Center, Cerebrovascular Medicine, Osaka, Japan
| | - S Yasuda
- National Cerebral and Cardiovascular Center, Cardiovascular Medicine, Osaka, Japan
| | - H Ogawa
- National Cerebral and Cardiovascular Center, Cardiovascular Medicine, Osaka, Japan
| | - T Anzai
- Hokkaido University Graduate School of Medicine, Cardiovascular Medicine, Hokkaido, Japan
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Makino K, Ito Y, Hirano K, Yamawaki M, Araki M, Kobayashi N, Mori S, Sakamoto Y, Tsutsumi M, Honda Y, Tokuda T, Shigemitsu S. P3570Impact of nutritional status on clinical outcomes in critical limb ischemia with tissue loss after endovascular treatment. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p3570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- K Makino
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - Y Ito
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - K Hirano
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - M Yamawaki
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - M Araki
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - N Kobayashi
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - S Mori
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - Y Sakamoto
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - M Tsutsumi
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - Y Honda
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - T Tokuda
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - S Shigemitsu
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
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Sato C, Wakabayashi K, Honda Y, Shibata K, Furuya T, Nishikura T, Ikeda N, Kikuchi M, Miyoshi F, Toshida T, Tanno K. P241Low exercise tolerance predicts critical myocardial ischemia in asymptomatic patients with diabetic mellitus. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- C Sato
- Showa University Koto-Toyosu Hospital, Division of Cardiology, Cardiovascular Center, Tokyo, Japan
| | - K Wakabayashi
- Showa University Koto-Toyosu Hospital, Division of Cardiology, Cardiovascular Center, Tokyo, Japan
| | - Y Honda
- Fuji hospital, Division of Cardiology, Shizuoka, Japan
| | - K Shibata
- Showa University Koto-Toyosu Hospital, Division of Cardiology, Cardiovascular Center, Tokyo, Japan
| | - T Furuya
- Showa University Koto-Toyosu Hospital, Division of Cardiology, Cardiovascular Center, Tokyo, Japan
| | - T Nishikura
- Showa University Koto-Toyosu Hospital, Division of Cardiology, Cardiovascular Center, Tokyo, Japan
| | - N Ikeda
- Showa University Koto-Toyosu Hospital, Division of Cardiology, Cardiovascular Center, Tokyo, Japan
| | - M Kikuchi
- Showa University Koto-Toyosu Hospital, Division of Cardiology, Cardiovascular Center, Tokyo, Japan
| | - F Miyoshi
- Showa University Koto-Toyosu Hospital, Division of Cardiology, Cardiovascular Center, Tokyo, Japan
| | - T Toshida
- Showa University Koto-Toyosu Hospital, Division of Cardiology, Cardiovascular Center, Tokyo, Japan
| | - K Tanno
- Showa University Koto-Toyosu Hospital, Division of Cardiology, Cardiovascular Center, Tokyo, Japan
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Kobayashi N, Ito Y, Hirano K, Yamawaki M, Araki M, Sakai T, Sakamoto Y, Mori S, Tsutsumi M, Nauchi M, Honda Y, Makino K, Shirai S. P2630Comparison of tissue characteristics in restenosis lesion between bioabsorbable polymer drug-eluting stent and durable polymer drug-eluting stent. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p2630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- N Kobayashi
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - Y Ito
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - K Hirano
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - M Yamawaki
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - M Araki
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - T Sakai
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - Y Sakamoto
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - S Mori
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - M Tsutsumi
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - M Nauchi
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - Y Honda
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - K Makino
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
| | - S Shirai
- Saiseikai Yokohama City Eastern Hospital, Yokohama, Japan
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Kishimoto N, Mukai N, Honda Y, Hirata Y, Tanaka M, Momota Y. Simulation training for medical emergencies in the dental setting using an inexpensive software application. Eur J Dent Educ 2018; 22:e350-e357. [PMID: 29120509 DOI: 10.1111/eje.12301] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/17/2017] [Indexed: 06/07/2023]
Abstract
INTRODUCTION Every dental provider needs to be educated about medical emergencies to provide safe dental care. Simulation training is available with simulators such as advanced life support manikins and robot patients. However, the purchase and development costs of these simulators are high. We have developed a simulation training course on medical emergencies using an inexpensive software application. The purpose of this study was to evaluate the educational effectiveness of this course. MATERIALS AND METHODS Fifty-one dental providers participated in this study from December 2014 to March 2015. Medical simulation software was used to simulate a patient's vital signs. We evaluated participants' ability to diagnose and treat vasovagal syncope or anaphylaxis with an evaluation sheet and conducted a questionnaire before and after the scenario-based simulation training. RESULTS The median evaluation sheet score for vasovagal syncope increased significantly from 7/9 before to 9/9 after simulation training. The median score for anaphylaxis also increased significantly from 8/12 to 12/12 (P < .01). For the item "I can treat vasovagal syncope/anaphylaxis adequately," the percentage responding "Strongly agree" or "Agree" increased from 14% to 56% for vasovagal syncope and from 6% to 42% for anaphylaxis with simulation training. CONCLUSIONS This simulation course improved participants' ability to diagnose and treat medical emergencies and improved their confidence. This course can be offered inexpensively using a software application.
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Affiliation(s)
- N Kishimoto
- Department of Anesthesiology, Osaka Dental University, Osaka, Japan
| | - N Mukai
- Department of Fixed Prosthodontics and Occlusion, Osaka Dental University, Osaka, Japan
| | - Y Honda
- Institute of Dental Research, Osaka Dental University, Osaka, Japan
| | - Y Hirata
- Department of Anesthesiology, Osaka Dental University, Osaka, Japan
| | - M Tanaka
- Department of Fixed Prosthodontics and Occlusion, Osaka Dental University, Osaka, Japan
| | - Y Momota
- Department of Anesthesiology, Osaka Dental University, Osaka, Japan
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Tsutsumi M, Ito Y, Hirano K, Yamawaki M, Araki M, Kobayashi N, Mori S, Sakamoto Y, Honda Y, Tokuda T, Makino K, Shirai S. P791Comparison between a novel bioabsorbable polymer everolimus-eluting stent and a durable polymer everolimus-eluting stent. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- M Tsutsumi
- Saiseikai Yokohama City Eastern Hospital, Department of Cardiology, Yokohama, Japan
| | - Y Ito
- Saiseikai Yokohama City Eastern Hospital, Department of Cardiology, Yokohama, Japan
| | - K Hirano
- Saiseikai Yokohama City Eastern Hospital, Department of Cardiology, Yokohama, Japan
| | - M Yamawaki
- Saiseikai Yokohama City Eastern Hospital, Department of Cardiology, Yokohama, Japan
| | - M Araki
- Saiseikai Yokohama City Eastern Hospital, Department of Cardiology, Yokohama, Japan
| | - N Kobayashi
- Saiseikai Yokohama City Eastern Hospital, Department of Cardiology, Yokohama, Japan
| | - S Mori
- Saiseikai Yokohama City Eastern Hospital, Department of Cardiology, Yokohama, Japan
| | - Y Sakamoto
- Saiseikai Yokohama City Eastern Hospital, Department of Cardiology, Yokohama, Japan
| | - Y Honda
- Saiseikai Yokohama City Eastern Hospital, Department of Cardiology, Yokohama, Japan
| | - T Tokuda
- Saiseikai Yokohama City Eastern Hospital, Department of Cardiology, Yokohama, Japan
| | - K Makino
- Saiseikai Yokohama City Eastern Hospital, Department of Cardiology, Yokohama, Japan
| | - S Shirai
- Saiseikai Yokohama City Eastern Hospital, Department of Cardiology, Yokohama, Japan
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Honda Y, Tanaka N, Kajiwara Y, Kataoka H, Sakamoto J, Nakano J, Okita M. Pathogenesis and molecular mechanism of muscle contracture in rat soleus muscles. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Kajiwara Y, Kataoka H, Honda Y, Tanaka N, Sakamoto J, Nakano J, Okita M. Effect of HIF-1α inhibitors for preventing the progress of muscle contracture in rat soleus muscles. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Kishimoto N, Honda Y, Momota Y, Tran SD. Dedifferentiated Fat (DFAT) cells: A cell source for oral and maxillofacial tissue engineering. Oral Dis 2018; 24:1161-1167. [PMID: 29356251 DOI: 10.1111/odi.12832] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2017] [Revised: 01/14/2018] [Accepted: 01/16/2018] [Indexed: 12/26/2022]
Abstract
Tissue engineering is a promising method for the regeneration of oral and maxillofacial tissues. Proper selection of a cell source is important for the desired application. This review describes the discovery and usefulness of dedifferentiated fat (DFAT) cells as a cell source for tissue engineering. Dedifferentiated Fat cells are a highly homogeneous cell population (high purity), highly proliferative, and possess a multilineage potential for differentiation into various cell types under proper in vitro inducing conditions and in vivo. Moreover, DFAT cells have a higher differentiation capability of becoming osteoblasts, chondrocytes, and adipocytes than do bone marrow-derived mesenchymal stem cells and/or adipose tissue-derived stem cells. The usefulness of DFAT cells in vivo for periodontal tissue, bone, peripheral nerve, muscle, cartilage, and fat tissue regeneration was reported. Dedifferentiated Fat cells obtained from the human buccal fat pad (BFP) are a minimally invasive procedure with limited esthetic complications for patients. The BFP is a convenient and accessible anatomical site to harvest DFAT cells for dentists and oral surgeons, and thus is a promising cell source for oral and maxillofacial tissue engineering.
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Affiliation(s)
- N Kishimoto
- Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, Montreal, Quebec, Canada
| | - Y Honda
- Institute of Dental Research, Osaka Dental University, Osaka, Japan
| | - Y Momota
- Department of Anesthesiology, Osaka Dental University, Osaka, Japan
| | - S D Tran
- Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, Montreal, Quebec, Canada
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Abstract
Endoscopy enables us to avoid complications and achieve complete surgery of the ethmoid sinus, nasofrontal duct, and fontanelle under clear observation. By connecting a CCD camera, a surgeon can carry out an operation while watching the image on a TV monitor. Rigid 0° and 70° endoscopes are used. The 0° endoscope is selected for the ethmoid portion of the operation, and the 70° endoscope is used for treatment of the nasofrontal duct and the fontanelle. Use of various forceps has made it possible to treat the nasofrontal duct and the fontanelle and to establish a wide communication. In practice, intranasal procedures are conducted close to the anatomical location of the ground lamella (gl) in the ethmoid sinus. We discussed our technique for endoscopic endonasal sinus surgery for pansinusitis.
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Affiliation(s)
- Hiroshi Moriyama
- Department of Otorhinolaryngology, The Jikei University School of Medicine, Tokyo, Japan
| | - Masashi Ozawa
- Department of Otorhinolaryngology, The Jikei University School of Medicine, Tokyo, Japan
| | - Yoshio Honda
- Department of Otorhinolaryngology, The Jikei University School of Medicine, Tokyo, Japan
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Miyamoto H, Aruga T, Onishi M, Goto R, Iwamoto N, Idera N, Horiguchi K, Honda Y. Abstract P3-01-09: Re-evaluating the “10% rule” for sentinel lymph node biopsy with radioactive method in breast cancer; a single institutional retrospective study. Cancer Res 2018. [DOI: 10.1158/1538-7445.sabcs17-p3-01-09] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background:
When multiple radioactive sentinel lymph nodes (SLNs) are present during sentinel lymph node biopsy (SLNB), excision of those SLNs with >10% radioactive count per minute (high-CPM) of the most radioactive node (“10% rule”) has been proposed. Although this “10% rule” may avoid excessive removal of SLNs,the risk of false negative and remnant positive SLNs in the patients who have SLNs with <10% CPM (low-CPM) remain unclear. The purpose of this analysis is to determine the clinical validity of this “10% rule” for early breast cancer patients.
Method:
We reviewed the records of successful SLNBs using the radioisotope (RI) method performed between January 2001 and December 2016 in our institution. The radioactive count from each excised SLN was measured. Non-radioactive lymph nodes were excluded from this analysis. All SLNs were pathologically assessed by 2mm serial section with hematoxylin and eosin staining.
Results:
In the 3,043 patients with successful SLNB,the median number of radioactive SLNs removed was 2 (mean, 1.8; range, 1-10) and 599 patients (19.7%) had SLNs with low-CPM. The total number of radioactive SLNs was 5,472, and 875 (16.0%) out of 5,472 SLNs were low-CPM. Sixty-one (7.0%) out of these 875 SLNs with low CPM in 56 patients (1.8%) had metastatic disease by pathological assessment. The number of metastatic SLN with low-CPM was one in 51 patients and two in 5 patients. Nineteen patients (0.6%) had no metastatic lesion in SLNs with high-CPM.
Discussion and Conclusions:
If SLNB was performed by RI method alone with “10% rule”, false negative rate increased by 0.6% and underestimation increased up to 1.8%. Furthermore, 19.7% of the patients have the benefit of avoiding excessive removal of SLNs.Considering the risk and benefit, “10% rule” is a high validitymethod to capture metastatic SLNs even in the setting that ALND will not be performed.
Citation Format: Miyamoto H, Aruga T, Onishi M, Goto R, Iwamoto N, Idera N, Horiguchi K, Honda Y. Re-evaluating the “10% rule” for sentinel lymph node biopsy with radioactive method in breast cancer; a single institutional retrospective study [abstract]. In: Proceedings of the 2017 San Antonio Breast Cancer Symposium; 2017 Dec 5-9; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2018;78(4 Suppl):Abstract nr P3-01-09.
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Affiliation(s)
- H Miyamoto
- Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Bunkyo-ku, Tokyo, Japan
| | - T Aruga
- Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Bunkyo-ku, Tokyo, Japan
| | - M Onishi
- Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Bunkyo-ku, Tokyo, Japan
| | - R Goto
- Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Bunkyo-ku, Tokyo, Japan
| | - N Iwamoto
- Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Bunkyo-ku, Tokyo, Japan
| | - N Idera
- Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Bunkyo-ku, Tokyo, Japan
| | - K Horiguchi
- Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Bunkyo-ku, Tokyo, Japan
| | - Y Honda
- Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Bunkyo-ku, Tokyo, Japan
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Sato H, Takahashi K, Nakajima N, Hasegawa G, Mizuno K, Hashimoto S, Ikarashi S, Hayashi K, Honda Y, Yokoyama J, Sato Y, Terai S. Full-layer mucosal histology in achalasia: Histological epithelial wave is characteristic in "pinstripe pattern"-positive achalasia. Neurogastroenterol Motil 2018; 30. [PMID: 28745833 DOI: 10.1111/nmo.13168] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2017] [Accepted: 06/26/2017] [Indexed: 02/08/2023]
Abstract
BACKGROUND Previously, the mucosal histology in achalasia has only been investigated using superficial biopsy or surgically resected esophageal specimens in end-stage cases. We investigated the histology of the full-layer mucosa in early and advanced achalasia. METHODS Endoscopy was performed for the pinstripe pattern (PSP) (an early achalasia indicator) and dilation and thickening of the mucosa (advanced achalasia indicators). A mucosal entry site for peroral endoscopic myotomy was created using cap-fitted endoscopic mucosal resection to access the full-layer mucosa and the submucosa. KEY RESULTS Mucosal histology was compared between 32 patients with achalasia and 15 controls. Histological esophagitis with findings of inflammatory cell infiltration and dilated intercellular spaces was observed more in patients with achalasia than in controls (87.5% vs 13.3%, P<.001; 84.4% vs 46.7%, P=.049). Muscularis mucosae (MM) atrophy and epithelial wave were only observed in achalasia (40.6% vs 0%, P=.005; 28.1% vs 0%, P=.043). Fibrosis was more common in achalasia, but without statistical significance (31.3% vs 20.0%, P=.503). In achalasia with endoscopic dilation and thickening of the mucosa, MM atrophy was observed histologically, and in cases involving endoscopic PSP, the histological epithelial wave was observed. CONCLUSIONS & INFERENCES Histological findings of esophagitis were observed endoscopically even in early achalasia. Pinstripe pattern corresponds to the epithelial wave observed histologically in achalasia, whereas endoscopic findings in advanced achalasia correspond to MM atrophy. Appropriate management is necessary during early achalasia to prevent progression to advanced achalasia with more severe histological changes.
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Affiliation(s)
- H Sato
- Division of Gastroenterology and Hepatology, Niigata University Medical and Dental Hospital, Niigata, Japan.,Division of Gastroenterology and Hepatology, Saiseikai Niigata Daini Hospital, Niigata, Japan
| | - K Takahashi
- Division of Gastroenterology and Hepatology, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - N Nakajima
- Division of Gastroenterology and Hepatology, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - G Hasegawa
- Division of Cellular and Molecular Pathology, Department of Cellular Function, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - K Mizuno
- Division of Gastroenterology and Hepatology, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - S Hashimoto
- Division of Gastroenterology and Hepatology, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - S Ikarashi
- Division of Gastroenterology and Hepatology, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - K Hayashi
- Division of Gastroenterology and Hepatology, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Y Honda
- Division of Gastroenterology and Hepatology, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - J Yokoyama
- Division of Gastroenterology and Hepatology, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Y Sato
- Division of Gastroenterology and Hepatology, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - S Terai
- Division of Gastroenterology and Hepatology, Niigata University Medical and Dental Hospital, Niigata, Japan
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Sato Y, Honda Y, Kaji M, Asoh T, Hosokawa K, Kondo I, Satoh K. Retracted: Amelioration of Osteoporosis by Menatetrenone in Elderly Female Parkinson’s Disease Patients With Vitamin D Deficiency. Bone 2018; 106:212. [PMID: 29278315 DOI: 10.1016/j.bone.2017.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Kataoka H, Nakano J, Kondo Y, Honda Y, Sakamoto J, Origuchi T, Okita M. The influence of aging on the effectiveness of heat stress in preventing disuse muscle atrophy. Physiol Int 2017; 104:316-328. [PMID: 29278025 DOI: 10.1556/2060.104.2017.4.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
This study examined the aging effect on disuse muscle atrophy prevention using heat stress. Wistar rats aged 7 and 60 weeks were divided into three groups as follows: control, immobilized (Im), and immobilized and heat stressed (ImH). Heat stress was given by immersing the hindlimbs in hot water (42 °C) for 60 min, once in every 3 days and the gastrocnemius (GAS) and soleus (SOL) muscles were extracted after 14 days. Muscle-fiber types were classified using ATPase staining. Heat shock protein 70 (HSP70) was assessed through Western blotting. In GAS muscle of both groups and SOL muscle of 7-week-old rats, the fiber diameter of each muscle type in the ImH group significantly increased compared with that in the Im group. However, this could not be observed in the SOL muscle of the 60-week-old rats. The increased percentage of type-I fibers and variability of types I and II muscle-fiber diameter were evident in the SOL muscle of the 60-week rats. HSP70 was significantly elevated in the ImH group compared with in the Im group in both muscle types of both age groups. Thus, effectiveness of heat stress in the prevention of disuse muscle atrophy appears unsatisfactory in aging muscle fibers.
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Affiliation(s)
- H Kataoka
- 1 Department of Locomotive Rehabilitation Science, Unit of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical Sciences , Nagasaki, Japan.,2 Department of Rehabilitation, Nagasaki Memorial Hospital , Nagasaki, Japan
| | - J Nakano
- 3 Unit of Physical Therapy and Occupational Therapy Sciences, Nagasaki University Graduate School of Biomedical Sciences , Nagasaki, Japan
| | - Y Kondo
- 4 Department of Rehabilitation, Nagasaki Genbaku Hospital , Nagasaki, Japan
| | - Y Honda
- 1 Department of Locomotive Rehabilitation Science, Unit of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical Sciences , Nagasaki, Japan.,5 Department of Rehabilitation, Nagasaki University Hospital , Nagasaki, Japan
| | - J Sakamoto
- 3 Unit of Physical Therapy and Occupational Therapy Sciences, Nagasaki University Graduate School of Biomedical Sciences , Nagasaki, Japan
| | - T Origuchi
- 1 Department of Locomotive Rehabilitation Science, Unit of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical Sciences , Nagasaki, Japan
| | - M Okita
- 1 Department of Locomotive Rehabilitation Science, Unit of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical Sciences , Nagasaki, Japan
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Toi Y, Sugawara S, Kawashima Y, Aiba T, Tsurumi K, Suzuki K, Shimizu H, Sugisaka J, Ono H, Domeki Y, Kawana S, Saito R, Terayama K, Nakamura A, Yamanda S, Kimura Y, Honda Y. P2.07-004 Immune-Related Adverse Events (irAEs) of Nivolumab Predicts Clinical Benefit in Advanced Lung Cancer Patients. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.11.063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Takahashi K, Sato Y, Takeuchi M, Sato H, Nakajima N, Ikarashi S, Hayashi K, Mizuno KI, Honda Y, Hashimoto S, Yokoyama J, Terai S. Changes in esophageal motility after endoscopic submucosal dissection for superficial esophageal cancer: a high-resolution manometry study. Dis Esophagus 2017; 30:1-8. [PMID: 28881900 DOI: 10.1093/dote/dox057] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2017] [Indexed: 12/11/2022]
Abstract
The effect of endoscopic submucosal dissection (ESD) on esophageal motility remains unknown. Therefore, the aim of this study is to elucidate changes in esophageal motility after ESD along with the cause of dysphagia using high-resolution manometry (HRM). This is a before-and-after trial of the effect of ESD on the esophageal motility. Twenty patients who underwent ESD for superficial esophageal carcinoma were enrolled in this study. Patients filled out a questionnaire about dysphagia and underwent HRM before and after ESD. Results before and after ESD were compared. Data were obtained from 19 patients. The number of patients who complained of dysphagia before and after ESD was 1/19 (5.3%) and 6/19 (31.6%), respectively (P = 0.131). Scores from the five-point Likert scale before and after ESD were 0.1 ± 0.5 and 1.0 ± 1.6, respectively (P = 0.043). The distal contractile integral (DCI) before and after ESD and the number of failed, weak, or fragmented contractions were not significantly different. However, in five patients with circumferential ESD, DCI was remarkably decreased and the frequency of fail, weak, or fragmented contractions increased. Univariate regression analysis showed a relatively strong inverse correlation of ΔDCI with the circumferential mucosal defect ratio {P < 0.01, standardized regression coefficient (r) = -0.65}, the number of stricture preventions (P < 0.01, r = -0.601), and the number of stricture resolutions (P < 0.01, r = -0.77). This HRM study showed that impairment of esophageal motility could be caused by ESD. The impairment of esophageal motility was conspicuous, especially in patients with circumferential ESD and subsequent procedures such as endoscopic triamcinolone injection and endoscopic balloon dilatation. Impaired esophageal motility after ESD might explain dysphagia.
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Affiliation(s)
- K Takahashi
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University
| | - Y Sato
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University
| | - M Takeuchi
- Division of Gastroenterology and Hepatology, Nagaoka Red Cross Hospital
| | - H Sato
- Division of Gastroenterology and Hepatology, Saiseikai Niigata Daini Hospital, Niigata, Japan
| | - N Nakajima
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University
| | - S Ikarashi
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University
| | - K Hayashi
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University
| | - K-I Mizuno
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University
| | - Y Honda
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University
| | - S Hashimoto
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University
| | - J Yokoyama
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University
| | - S Terai
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University
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Ishizaki M, Okada M, Honda Y, Fujimoto A, Kurisaki R, Maeda Y, Ueyama H. Usefulness of skinfold thickness measurement in non-ambulatory patients with Duchenne muscular dystrophy. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Tsutsumi M, Ito Y, Hirano K, Yamawaki M, Araki M, Kobayashi N, Sakamoto Y, Mori S, Takama T, Honda Y, Tokuda T, Makino K, Shirai S. P5188Long-term clinical outcomes after polymer-free paclitaxel-coated stent implantation for femoropopliteal disease in comparison with bare metal stent. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p5188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Makino K, Hirano K, Yamawaki M, Araki M, Kobayashi N, Mori S, Sakamoto Y, Tsutsumi M, Takama T, Honda Y, Takahiro T, Shirai S, Ito Y. P5202The effectiveness of ultrasound-guided tibial artery endovascular interventions for chronic total occlusion lesions in critical limb ischemia. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p5202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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