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Eid SM, Press VG, Kato H, Vaughn VM, Jenkins AM, Soong C, Gupta V, Michtalik HJ, Keniston A, Burden M, Bhandari S, Mueller SK. Enhancing professional development and promoting collaboration in hospital medicine through the visiting professor exchange program. J Hosp Med 2024; 19:424-428. [PMID: 37602533 DOI: 10.1002/jhm.13191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 07/27/2023] [Accepted: 07/30/2023] [Indexed: 08/22/2023]
Affiliation(s)
- Shaker M Eid
- Department of Medicine, Division of Hospital Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Valerie G Press
- Section of General Internal Medicine, Department of Medicine, The University of Chicago, Chicago, Illinois, USA
| | - Hirotaka Kato
- Division of Hospital Medicine, University of Kentucky, Lexington, Kentucky, USA
| | - Valerie M Vaughn
- Division of General Internal Medicine, University of Utah, Salt Lake City, Utah, USA
| | - Ashley M Jenkins
- Department of Medicine, University of Rochester School of Medicine & Dentistry, Rochester, New York, USA
- Department of Pediatrics, University of Rochester School of Medicine & Dentistry, Rochester, New York, USA
| | - Christine Soong
- Division of Hospital Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Vineet Gupta
- Division of Hospital Medicine, University of California San Diego, San Diego, California, USA
| | - Henry J Michtalik
- Department of Medicine, Division of Hospital Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Angela Keniston
- Division of Hospital Medicine, University of Colorado, Aurora, Colorado, USA
| | - Marisha Burden
- Division of Hospital Medicine, University of Colorado, Aurora, Colorado, USA
| | - Sanjay Bhandari
- Division of Hospital Medicine, Medical College of Wisconsin, Madison, Wisconsin, USA
| | - Stephanie K Mueller
- Division of General Internal Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA
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Nishiike S, Michiba T, Ito R, Ashida N, Kato H, Kuki A, Ogawa K, Tamura K, Uetsuka S. Quantitative measurement of airborne particles during endoscopic and microscopic ear surgery in the operating room. J Laryngol Otol 2024; 138:405-409. [PMID: 37646247 DOI: 10.1017/s0022215123001433] [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] [Indexed: 09/01/2023]
Abstract
OBJECTIVE This study aimed to quantitatively investigate airborne particle load in the operating room during endoscopic or microscopic epitympanectomy or mastoidectomy. METHOD In the transcanal endoscopic ear surgery group, drilling was performed underwater. A particle counter was used to measure the particle load before, during and after drilling during transcanal endoscopic ear surgery or microscopic ear surgery. The device counted the numbers of airborne particles of 0.3, 0.5 or 1.0 μm in diameter. RESULTS The particle load during drilling was significantly higher in the microscopic ear surgery group (n = 5) than in the transcanal endoscopic ear surgery group (n = 11) for all particle sizes (p < 0.01). In the transcanal endoscopic ear surgery group, no significant differences among the particle load observed before, during and after drilling were seen for any of the particle sizes. CONCLUSION Bone dissection carries a lower risk of airborne infection if it is performed using the endoscopic underwater drilling technique.
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Affiliation(s)
- S Nishiike
- Department of Otorhinolaryngology - Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
| | - T Michiba
- Department of Otorhinolaryngology - Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
| | - R Ito
- Department of Otorhinolaryngology - Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
| | - N Ashida
- Department of Otorhinolaryngology - Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
| | - H Kato
- Department of Otorhinolaryngology - Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
| | - A Kuki
- Department of Otorhinolaryngology - Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
| | - K Ogawa
- Department of Otorhinolaryngology - Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
| | - K Tamura
- Department of Otorhinolaryngology - Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
| | - S Uetsuka
- Department of Otorhinolaryngology - Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
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Noda Y, Takai Y, Suto T, Yamada N, Mori T, Kawai N, Kaga T, Hyodo F, Kato H, Matsuo M. Effect of X-ray tube on image quality and pancreatic ductal adenocarcinoma conspicuity in pancreatic protocol dual-energy CT. Clin Radiol 2024; 79:e554-e559. [PMID: 38453389 DOI: 10.1016/j.crad.2023.12.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 12/05/2023] [Accepted: 12/31/2023] [Indexed: 03/09/2024]
Abstract
AIM To compare the radiation dose, image quality, and conspicuity of pancreatic ductal adenocarcinoma (PDAC) in pancreatic protocol dual-energy computed tomography (CT) between two X-ray tubes mounted in the same CT machine. MATERIAL AND METHODS This retrospective study comprised 80 patients (median age, 73 years; 45 men) who underwent pancreatic protocol dual-energy CT from January 2019 to March 2022 using either old (Group A, n=41) or new (Group B, n=39) X-ray tubes mounted in the same CT machine. The imaging parameters were completely matched between the two groups, and CT data were reconstructed at 70 and 40 keV. The CT dose-index volume (CTDIvol); CT attenuation of the abdominal aorta, pancreas, and PDAC; background noise; and qualitative scores for the image noise, overall image quality, and PDAC conspicuity were compared between the two groups. RESULTS The CTDIvol was lower in Group B than Group A (7.9 versus 9.2 mGy; p<0.001). The CT attenuation of all anatomical structures at 70 and 40 keV was comparable between the two groups (p=0.06-0.78). The background noise was lower in Group B than Group A (12 versus 14 HU at 70 keV, p=0.046; and 26 versus 30 HU at 40 keV, p<0.001). Qualitative scores for image noise and overall image quality at 70 and 40 keV and PDAC conspicuity at 40 keV were higher in Group B than Group A (p<0.001-0.045). CONCLUSION The latest X-ray tube could reduce the radiation dose and improve image quality in pancreatic protocol dual-energy CT.
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Affiliation(s)
- Y Noda
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan.
| | - Y Takai
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - T Suto
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - N Yamada
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - T Mori
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - N Kawai
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - T Kaga
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - F Hyodo
- Department of Pharmacology, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan; Center for One Medicine Innovative Translational Research (COMIT), Institute for Advanced Study, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - H Kato
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - M Matsuo
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
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Kawaguchi M, Kato H, Kobayashi K, Miyazaki T, Nagano A, Noda Y, Hyodo F, Matsuo M. Radiologic-histopathologic correlation of fatty island sign with fat necrosis in atypical lipomatous tumor and lipoma. Clin Radiol 2024:S0009-9260(24)00131-4. [PMID: 38580482 DOI: 10.1016/j.crad.2024.02.009] [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] [Received: 07/28/2023] [Revised: 01/12/2024] [Accepted: 02/13/2024] [Indexed: 04/07/2024]
Abstract
AIM This study aimed to assess the imaging features of atypical lipomatous tumors (ALTs) and lipoma with fat necrosis. METHODS This study included patients with histopathologically proven fat necrosis within adipocytic tumors who underwent preoperative imaging. Magnetic resonance imaging (MRI) and/or computer tomography (CT) findings of fat necrosis associated with lipomatous tumors were retrospectively reviewed, emphasizing the "fatty island sign (FIS)." FISs were defined as well-demarcated, focal fat-containing areas surrounded by more thickened septa compared with other intratumoral septa. Imaging findings of FIS were compared between ALT and lipoma. RESULTS Fat necrosis was histopathologically confirmed in 17 patients (6 ALTs and 11 lipomas). Among them, 18 FISs were observed in 10 lesions (59%). Multiple FISs within a lesion were observed in 4 (40%) patients. The median maximum diameter of the FISs was 37 mm. Hypointense areas within FISs relative to the subcutaneous fat on T1- and T2-weighted images were observed in 8 (80%) and 9 (90%), respectively, whereas hyperintense areas within FISs on fat-suppressed T2-weighted images were observed in 2 (20%). Nonfatty solid components within FISs were observed in 2 (20%). On CT, increased fat attenuation and pure fat attenuation within FISs were observed in 6 (86%) and 1 (14%), respectively. The imaging findings of FIS were not significantly different between ALT and lipoma. CONCLUSION FISs were observed in 59% of the histologically proven ALT and lipoma patients with fat necrosis. The hypointense areas relative to the subcutaneous fat on T1- and T2-weighted images and increased fat attenuation on CT were usually observed within FISs.
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Affiliation(s)
- M Kawaguchi
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan.
| | - H Kato
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - K Kobayashi
- Department of Pathology, Gifu University, Gifu, Japan
| | - T Miyazaki
- Department of Pathology, Gifu University, Gifu, Japan
| | - A Nagano
- Department of Orthopedic Surgery, Gifu University, Gifu, Japan
| | - Y Noda
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - F Hyodo
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan; Center for One Medicine Innovative Translational Research (COMIT), Institute for Advanced Study, Gifu University, Gifu, Japan
| | - M Matsuo
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
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Kawai N, Noda Y, Nakamura F, Kaga T, Suzuki R, Miyoshi T, Mori F, Hyodo F, Kato H, Matsuo M. Low-tube-voltage whole-body CT angiography with extremely low iodine dose: a comparison between hybrid-iterative reconstruction and deep-learning image-reconstruction algorithms. Clin Radiol 2024:S0009-9260(24)00096-5. [PMID: 38403540 DOI: 10.1016/j.crad.2024.02.002] [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] [Received: 09/08/2023] [Revised: 01/29/2024] [Accepted: 02/07/2024] [Indexed: 02/27/2024]
Abstract
AIM To evaluate arterial enhancement, its depiction, and image quality in low-tube potential whole-body computed tomography (CT) angiography (CTA) with extremely low iodine dose and compare the results with those obtained by hybrid-iterative reconstruction (IR) and deep-learning image-reconstruction (DLIR) methods. MATERIALS AND METHODS This prospective study included 34 consecutive participants (27 men; mean age, 74.2 years) who underwent whole-body CTA at 80 kVp for evaluating aortic diseases between January and July 2020. Contrast material (240 mg iodine/ml) with simultaneous administration of its quarter volume of saline, which corresponded to 192 mg iodine/ml, was administered. CT raw data were reconstructed using adaptive statistical IR-Veo of 40% (hybrid-IR), DLIR with medium- (DLIR-M), and high-strength level (DLIR-H). A radiologist measured CT attenuation of the arteries and background noise, and the signal-to-noise ratio (SNR) was then calculated. Two reviewers qualitatively evaluated the arterial depictions and diagnostic acceptability on axial, multiplanar-reformatted (MPR), and volume-rendered (VR) images. RESULTS Mean contrast material volume and iodine weight administered were 64.1 ml and 15.4 g, respectively. The SNRs of the arteries were significantly higher in the following order of the DLIR-H, DLIR-M, and hybrid-IR (p<0.001). Depictions of six arteries on axial, three arteries on MPR, and four arteries on VR images were significantly superior in the DLIR-M or hybrid-IR than in the DLIR-H (p≤0.009 for each). Diagnostic acceptability was significantly better in the DLIR-M and DLIR-H than in the hybrid-IR (p<0.001-0.005). CONCLUSION DLIR-M showed well-balanced arterial depictions and image quality compared with the hybrid-IR and DLIR-H.
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Affiliation(s)
- N Kawai
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - Y Noda
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan.
| | - F Nakamura
- Department of Radiology, Gifu Municipal Hospital, 7-1 Kashima, Gifu 500-8513, Japan
| | - T Kaga
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - R Suzuki
- Department of Radiology Services, Gifu University Hospital, 1-1 Yanagido, Gifu 501-1194, Japan
| | - T Miyoshi
- Department of Radiology Services, Gifu University Hospital, 1-1 Yanagido, Gifu 501-1194, Japan
| | - F Mori
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - F Hyodo
- Department of Pharmacology, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan; Center for One Medicine Innovative Translational Research (COMIT), Institute for Advanced Study, Gifu University, Japan
| | - H Kato
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - M Matsuo
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
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Duan YJ, Nabahat M, Tong Y, Ortiz-Membrado L, Jiménez-Piqué E, Zhao K, Wang YJ, Yang Y, Wada T, Kato H, Pelletier JM, Qiao JC, Pineda E. Connection between Mechanical Relaxation and Equilibration Kinetics in a High-Entropy Metallic Glass. Phys Rev Lett 2024; 132:056101. [PMID: 38364152 DOI: 10.1103/physrevlett.132.056101] [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: 07/21/2023] [Revised: 11/08/2023] [Accepted: 11/17/2023] [Indexed: 02/18/2024]
Abstract
The slow transition from an out-of-equilibrium glass towards a supercooled liquid is a complex relaxation phenomenon. In this Letter, we study the correlation between mechanical relaxation and equilibration kinetics in a Pd_{20}Pt_{20}Cu_{20}Ni_{20}P_{20} high-entropy metallic glass. The evolution of stress relaxation with aging time was obtained with an unprecedented detail, allowing us to pinpoint new interesting features. The long structural relaxation towards equilibrium contains a wide distribution of activation energies, instead of being just associated to the β relaxation as commonly accepted. The stress relaxation time can be correlated with the equilibration rate and we observe a decrease of microstructural heterogeneity which contrasts with an increase of dynamic heterogeneity. These results significantly enhance our insight of the interplay between relaxation dynamics and thermodynamics in metallic glasses.
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Affiliation(s)
- Y J Duan
- School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi'an 710072, China
- Department of Physics, Institute of Energy Technologies, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
| | - M Nabahat
- Department of Physics, Institute of Energy Technologies, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
| | - Yu Tong
- CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - L Ortiz-Membrado
- Department of Materials Science, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
| | - E Jiménez-Piqué
- Department of Materials Science, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
| | - Kun Zhao
- State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yun-Jiang Wang
- State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Y Yang
- Department of Mechanical Engineering, College of Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Kowloon, Hong Kong SAR, China
- Department of Materials Science and Engineering, College of Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Kowloon, Hong Kong SAR, China
| | - T Wada
- Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
| | - H Kato
- Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
| | - J M Pelletier
- Université de Lyon, MATEIS, UMR CNRS5510, Bâtiment Blaise Pascal, INSA-Lyon, F-69621 Villeurbanne Cedex, France
| | - J C Qiao
- School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi'an 710072, China
| | - E Pineda
- Department of Physics, Institute of Energy Technologies, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
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Kato H, Hayami S, Ueno M, Suzaki N, Nakamura M, Yoshimura T, Miyamoto A, Shigekawa Y, Okada K, Miyazawa M, Kitahata Y, Ehata S, Hamamoto R, Yamaue H, Kawai M. Histone methyltransferase SUV420H1/KMT5B contributes to poor prognosis in hepatocellular carcinoma. Cancer Sci 2024; 115:385-400. [PMID: 38082550 PMCID: PMC10859612 DOI: 10.1111/cas.16038] [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: 06/12/2023] [Revised: 10/15/2023] [Accepted: 11/20/2023] [Indexed: 02/13/2024] Open
Abstract
Hepatocellular carcinoma (HCC) has a high rate of recurrence and poor prognosis, even after curative surgery. Multikinase inhibitors have been applied for HCC patients, but their effect has been restricted. This study aims to clarify the clinical impact of SUV420H1/KMT5B, one of the methyltransferases for histone H4 at lysine 20, and elucidate the novel mechanisms of HCC progression. We retrospectively investigated SUV420H1 expression using HCC clinical tissue samples employing immunohistochemical analysis (n = 350). We then performed loss-of-function analysis of SUV420H1 with cell cycle analysis, migration assay, invasion assay and RNA sequence for Gene Ontology (GO) pathway analysis in vitro, and animal experiments with xenograft mice in vivo. The SUV420H1-high-score group (n = 154) had significantly poorer prognosis for both 5-year overall and 2-year/5-year disease-free survival than the SUV420H1-low-score group (n = 196) (p < 0.001 and p < 0.05, respectively). The SUV420H1-high-score group had pathologically larger tumor size, more tumors, poorer differentiation, and more positive vascular invasion than the SUV420H1-low-score group. Multivariate analysis demonstrated that SUV420H1 high score was the poorest independent factor for overall survival. SUV420H1 knockdown could suppress cell cycle from G1 to S phase and cell invasion. GO pathway analysis showed that SUV420H1 contributed to cell proliferation, cell invasion, and/or metastasis. Overexpression of SUV420H1 clinically contributed to poor prognosis in HCC, and the inhibition of SUV420H1 could repress tumor progression and invasion both in vitro and in vivo; thus, further analyses of SUV420H1 are necessary for the discovery of future molecularly targeted drugs.
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Affiliation(s)
- Hirotaka Kato
- Second Department of Surgery, School of MedicineWakayama Medical UniversityWakayamaJapan
| | - Shinya Hayami
- Second Department of Surgery, School of MedicineWakayama Medical UniversityWakayamaJapan
| | - Masaki Ueno
- Second Department of Surgery, School of MedicineWakayama Medical UniversityWakayamaJapan
| | - Norihiko Suzaki
- Second Department of Surgery, School of MedicineWakayama Medical UniversityWakayamaJapan
| | - Masashi Nakamura
- Second Department of Surgery, School of MedicineWakayama Medical UniversityWakayamaJapan
| | - Tomohiro Yoshimura
- Second Department of Surgery, School of MedicineWakayama Medical UniversityWakayamaJapan
| | - Atsushi Miyamoto
- Second Department of Surgery, School of MedicineWakayama Medical UniversityWakayamaJapan
| | - Yoshinobu Shigekawa
- Second Department of Surgery, School of MedicineWakayama Medical UniversityWakayamaJapan
| | - Ken‐Ichi Okada
- Second Department of Surgery, School of MedicineWakayama Medical UniversityWakayamaJapan
| | - Motoki Miyazawa
- Second Department of Surgery, School of MedicineWakayama Medical UniversityWakayamaJapan
| | - Yuji Kitahata
- Second Department of Surgery, School of MedicineWakayama Medical UniversityWakayamaJapan
| | - Shogo Ehata
- Department of Pathology, School of MedicineWakayama Medical UniversityWakayamaJapan
| | - Ryuji Hamamoto
- Division of Medical AI Research and DevelopmentNational Cancer Center Research InstituteTokyoJapan
| | - Hiroki Yamaue
- Second Department of Surgery, School of MedicineWakayama Medical UniversityWakayamaJapan
| | - Manabu Kawai
- Second Department of Surgery, School of MedicineWakayama Medical UniversityWakayamaJapan
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Hyodo F, Elhelaly AE, Iwasaki R, Noda Y, Mori T, Adachi K, Tomita H, Kato H, Mori T, Matsuo M. Early Assessment of Radiation Treatment at Clinical Field Strength by D 2O Administration and Deuterium MRI. Int J Radiat Oncol Biol Phys 2023; 117:e238. [PMID: 37784942 DOI: 10.1016/j.ijrobp.2023.06.1162] [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: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) An accurate and non-invasive assessment of tumor response following treatment is essential. Traditional anatomical imaging techniques are insufficient before a significant morphological change can be observed. Metabolic imaging of molecular processes in the living body is also used. In recent years, deuterium magnetic resonance spectroscopic (MRS) imaging has been demonstrated as an alternative for cancer metabolic imaging by high-field (4-11T) MRI using deuterium-labeled molecules as a contrast agent. The study aim was to evaluate the feasibility of using deuterium MRI 1.5T for tumor visualization and early assessment of the efficacy of three anticancer treatment strategies (radiation and anticancer drugs) in pancreatic cancer model mice given heavy water (D2O) to induce deuterium (2H)-tissue labeling. MATERIALS/METHODS A MIA PaCa-2 pancreatic cancer model of six BALB/c-nu mice was prepared, and repeated deuterium MRI was performed during the first 10 days after starting free drinking of 30% D2O. We also evaluated 2H accumulation in the tumor after irradiation, bevacizumab administration, or gemcitabine administration of other 20 mice. Additional confirmatory proton MRI, ex vivo metabolic hyperpolarization 13C-MRS and histopathology were performed. RESULTS The mouse's whole-body distribution of 2H was visible 1 day after drinking, and the signal intensity increased daily. Although the tumor size did not change 1 and 3 days after irradiation, the amount of 2H in the tumor decreased significantly. The 2H image intensity of the tumor also significantly decreased after the administration of bevacizumab or gemcitabine. Metabolic hyperpolarization 13C-MRS, proton MRI and 2H-NMR spectroscopy confirmed the efficacy of the anticancer treatments. CONCLUSION Deuterium MRI at 1.5T proved feasibility to track 2H distribution throughout mouse tissues during D2O administration and revealed a higher 2H accumulation in the tumor xenografts. This research demonstrated a promising successful method for early assessment of radiotherapy and chemotherapy of pancreatic cancer.
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Affiliation(s)
- F Hyodo
- Department of Radiology Frontier Science for imaging, Graduate School of Medicine, Gifu University, Gifu, Japan
| | - A E Elhelaly
- Department of Radiology, Gifu University, Gifu, Japan
| | - R Iwasaki
- Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
| | - Y Noda
- Department of Radiology, Gifu University, Gifu, Japan
| | - T Mori
- Gifu University School of Medicine, Department of Radiology, Gifu, Japan
| | - K Adachi
- Department of Radiology, Gifu University, Gifu, Japan
| | - H Tomita
- Gifu University, Department of Tumor Pathology, Gifu, Japan
| | - H Kato
- Department of Radiology, Gifu University, Gifu, Japan
| | - T Mori
- Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
| | - M Matsuo
- Gifu University School of Medicine, Department of Radiology, Gifu, Japan
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9
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Kawaguchi M, Kato H, Hanamatsu Y, Suto T, Noda Y, Kaneko Y, Iwata H, Hyodo F, Miyazaki T, Matsuo M. Computed Tomography and 18F-Fluorodeoxyglucose-Positron Emission Tomography/Computed Tomography Imaging Biomarkers of Lung Invasive Non-mucinous Adenocarcinoma: Prediction of Grade 3 Tumour Based on World Health Organization Grading System. Clin Oncol (R Coll Radiol) 2023; 35:e601-e610. [PMID: 37587000 DOI: 10.1016/j.clon.2023.08.002] [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: 08/24/2022] [Revised: 06/02/2023] [Accepted: 08/03/2023] [Indexed: 08/18/2023]
Abstract
AIMS To evaluate computed tomography (CT) and 18F-fluorodeoxyglucose-positron emission tomography/computed tomography (18F-FDG-PET/CT) findings of invasive non-mucinous adenocarcinoma (INMA) of the lung as a predictor of histological tumour grade according to 2021 World Health Organization (WHO) classification. MATERIALS AND METHODS This retrospective study included consecutive patients with surgically resected INMA who underwent both preoperative CT and 18F-FDG-PET/CT. A three-tiered tumour grade was performed based on the fifth edition of the WHO classification of lung tumours. CT imaging features and the maximum standardised uptake value (SUVmax) were compared among the three tumour grades. RESULTS In total, 214 patients with INMA (median age 70 years; interquartile range 65-76 years; 123 men) were histologically categorised: 36 (17%) as grade 1, 102 (48%) as grade 2 and 76 (35%) as grade 3. Pure solid appearance was more frequent in grade 3 (83%) than in grades 1 (0%) and 2 (26%) (P < 0.001). The SUVmax of the entire tumour was higher in grade 3 than in grades 1 and 2 (P < 0.001). Multivariable analysis revealed that pure solid appearance (odds ratio = 94.0; P < 0.001), round/oval shape (odds ratio = 4.01; P = 0.001), spiculation (odds ratio = 2.13; P = 0.04), air bronchogram (odds ratio = 0.40; P = 0.03) and SUVmax (odds ratio = 1.45; P < 0.001) were significant predictors for grade 3 INMAs. CONCLUSION Pure solid appearance, round/oval shape, spiculation, absence of air bronchogram and high SUVmax were associated with grade 3 INMAs. CT and 18F-FDG-PET/CT were potentially useful non-invasive imaging methods to predict the histological grade of INMAs.
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Affiliation(s)
- M Kawaguchi
- Department of Radiology, Gifu University, Gifu, Japan.
| | - H Kato
- Department of Radiology, Gifu University, Gifu, Japan
| | - Y Hanamatsu
- Department of Pathology and Translational Research, Gifu University, Gifu, Japan
| | - T Suto
- Department of Radiology, Gifu University, Gifu, Japan
| | - Y Noda
- Department of Radiology, Gifu University, Gifu, Japan
| | - Y Kaneko
- Department of Radiology, Gifu University, Gifu, Japan
| | - H Iwata
- Department of General and Cardiothoracic Surgery, Gifu University, Gifu, Japan
| | - F Hyodo
- Department of Radiology, Frontier Science for Imaging, Gifu University, Gifu, Japan
| | - T Miyazaki
- Department of Pathology, Gifu University, Gifu, Japan
| | - M Matsuo
- Department of Radiology, Gifu University, Gifu, Japan
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10
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Sosogi S, Kato H, Hasegawa T. A case of percutaneous retrieval of a catheter without a free end that was fractured during a totally implantable venous access port removal. Radiol Case Rep 2023; 18:2911-2917. [PMID: 37383179 PMCID: PMC10293593 DOI: 10.1016/j.radcr.2023.05.046] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/06/2023] [Accepted: 05/15/2023] [Indexed: 06/30/2023] Open
Abstract
Totally implantable venous access ports (TIVAPs) are widely used for chemotherapy and other purposes in patients with cancer. Their convenience and safety make them ideal for long-term use. However, sometimes there are cases in which TIVAPs remain in the vessel following the completion of long-term chemotherapy and are difficult to remove due to the adhesion of the catheter to the vessel wall. In this study, we encountered a case in which a TIVAP catheter adhering to a blood vessel was fractured during removal and the catheter left in the vessel could not be retrieved by a snare because it had no free end. Finally, the catheter was successfully removed using a peel-away sheath. No complications or residual catheters were associated with the removal procedure.
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11
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Fukuma S, Kato H, Takaku R, Tsugawa Y. Effect of no cost sharing for paediatric care on healthcare usage by household income levels: regression discontinuity design. BMJ Open 2023; 13:e071976. [PMID: 37591654 PMCID: PMC10441085 DOI: 10.1136/bmjopen-2023-071976] [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] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 08/04/2023] [Indexed: 08/19/2023] Open
Abstract
OBJECTIVES To investigate the impact of no cost sharing on paediatric care on usage and health outcomes, and whether the effect varies by household income levels. DESIGN Regression discontinuity design. SETTING Nationwide medical claims database in Japan. PARTICIPANTS Children aged younger than 20 years from April 2018 to March 2022. EXPOSURE Co-insurance rate that increases sharply from 0% to 30% at a certain age threshold (the threshold age varies between 6 and 20 years depending on region). PRIMARY OUTCOME MEASURES The outpatient care usage (outpatient visit days and healthcare spending for outpatient care) and inpatient care (experience of any hospitalisation and healthcare spending for inpatient care). RESULTS Of 244 549 children, 49 556 participants were in the bandwidth and thus included in our analyses. Results from the regression discontinuity analysis indicate that no cost sharing was associated with a significant increase in the number of outpatient visit days (+5.26 days; 95% CI, +4.89 to +5.82; p<0.01; estimated arc price elasticity, -0.45) and in outpatient healthcare spending (+US$369; 95% CI, +US$344 to +US$406; p<0.01; arc price elasticity, -0.55). We found no evidence that no cost sharing was associated with changes in inpatient care usage. Notably, the effect of no cost-sharing policy on outpatient healthcare usage was larger among children from high-income households (visit days +5.96 days; 95% CI, +4.88 to +7.64, spending +US$511; 95% CI, +US$440 to +US$627) compared with children from low-income households (visit days +2.64 days; 95% CI, +1.54 to +4.23, spending +US$154; 95% CI, +US$80 to +US$249). CONCLUSIONS No cost sharing for paediatric care was associated with a greater usage of outpatient care services, but did not affect inpatient care usage. The study found that this effect was more pronounced among children from high-income households, indicating that the no cost sharing disproportionately benefits high-income households and may contribute to larger disparities.
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Affiliation(s)
- Shingo Fukuma
- Human Health Sciences, Kyoto University Graduate School of Medicine Faculty of Medicine, Kyoto, Japan
| | - Hirotaka Kato
- Graduate School of Health Management, Keio University, Minato-ku, Japan
| | - Reo Takaku
- Graduate School of Economics, School of International and Public Policy, Hitotsubashi University, Kunitachi, Japan
| | - Yusuke Tsugawa
- General Internal Medicine & Health Services Research, University of California Los Angeles David Geffen School of Medicine, Los Angeles, California, USA
- Department of Health Policy and Management, University of California Los Angeles Jonathan and Karin Fielding School of Public Health, Los Angeles, California, USA
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12
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Minoura A, Ihara Y, Kato H, Murakami K, Watanabe Y, Hirano K, Ito Y, Kokaze A. Relationships between Lip Seal Strength, Tongue Pressure, and Daytime Sleepiness in Japanese Workers: A Cross-Sectional Study. Clin Pract 2023; 13:753-762. [PMID: 37489417 PMCID: PMC10366721 DOI: 10.3390/clinpract13040068] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 06/21/2023] [Accepted: 06/30/2023] [Indexed: 07/26/2023] Open
Abstract
This cross-sectional study aimed to examine the relationships between lip seal strength, tongue pressure, and daytime sleepiness in Japanese workers. A self-administered questionnaire which comprised the Epworth Sleepiness Scale (ESS) was completed by 496 workers, and excessive daytime sleepiness was defined by an ESS score of 11 or over. Lip seal strength and tongue pressure were measured in all participants, and multiple regression analyses were performed to examine the effects of lip seal strength and tongue pressure on daytime sleepiness. The median ESS score was 5.0 (25th and 75th percentiles: 2.0 and 8.0), and 42 (8.5%) workers had excessive daytime sleepiness. The median lip seal strength was 13.5 N (11.4, 16.3), and the tongue pressure was 41.7 kPa (35.2, 48.3). Workers with higher ESS scores had significantly lower levels of lip seal strength than those without, following adjustments for age and body mass index (BMI) values (β (95% confidence interval): -0.043 [-0.081, -0.004]). However, tongue pressure was not significantly associated with ESS score after adjustments for age and/or BMI. These results suggest that maintaining moderate lip seal strength may help prevent excessive daytime sleepiness in Japanese workers regardless of age or BMI.
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Affiliation(s)
- Akira Minoura
- Department of Hygiene, Public Health and Preventive Medicine, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan
| | - Yoshiaki Ihara
- Division of Oral Functional Rehabilitation Medicine, Department of Special Needs Dentistry, School of Dentistry, Showa University, 2-1-1 Kitasenzoku, Ohta-ku, Tokyo 145-8515, Japan
| | - Hirotaka Kato
- Division of Oral Functional Rehabilitation Medicine, Department of Special Needs Dentistry, School of Dentistry, Showa University, 2-1-1 Kitasenzoku, Ohta-ku, Tokyo 145-8515, Japan
| | - Kouzou Murakami
- Department of Radiology, Division of Radiation Oncology, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan
| | - Yoshio Watanabe
- Division of Respiratory Medicine and Allergology, Department of Medicine, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan
| | - Kojiro Hirano
- Department of Otorhinolaryngology Head and Neck Surgery, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan
| | - Yoshinori Ito
- Department of Radiology, Division of Radiation Oncology, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan
| | - Akatsuki Kokaze
- Department of Hygiene, Public Health and Preventive Medicine, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan
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13
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Miyamoto S, Nishikiori N, Sato T, Watanabe M, Umetsu A, Tsugeno Y, Hikage F, Sasaya T, Kato H, Ogi K, Furuhashi M, Ohguro H, Miyazaki A. Three-Dimensional Spheroid Configurations and Cellular Metabolic Properties of Oral Squamous Carcinomas Are Possible Pharmacological and Pathological Indicators. Cancers (Basel) 2023; 15:2793. [PMID: 37345130 DOI: 10.3390/cancers15102793] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 05/12/2023] [Accepted: 05/15/2023] [Indexed: 06/23/2023] Open
Abstract
The objective of the current study was to elucidate the clinicopathological significance and appearance of in vitro three-dimension (3D) spheroid models of oral malignant tumors that were prepared from four pathologically different squamous cell carcinoma (OSCC; low-grade; SSYP and MO-1000, intermediate-grade; LEM2) and oral adenosquamous carcinoma (OASC; high-grade; Mesimo) obtained from patients with different malignant stages. To characterize the biological significance of these cell lines themselves, two-dimensional (2D) cultured cells were subjected to cellular metabolic analysis by a Seahorse bioanalyzer alongside the measurement of the cytotoxicity of cisplatin (CDDP). The appearance of their 3D spheroids was then observed by phase contrast microscopy, and both 2D and 3D cultured cells were subject to trypsin digestion and qPCR analysis of factors related to oncogenic signaling and other related analyses. ATP-linked respiration and proton leaking were significantly different among the four cell lines, and the malignant stages of these cultures were significantly associated with increased ATP-linked respiration and decreased proton leakage. Alternatively, the appearances of these 3D spheroids were also significantly diverse among them, and their differences increased in the order of LEM2, MO-1000, SSYP, and Mesimo. Interestingly, these orders were exactly the same in that the efficacies of CDDP-induced cytotoxicity increased in the same order. qPCR analysis indicated that the levels of expression of oncogenic signaling-related factors varied among these four cell lines, and the values for fibronectin and a key regulator of mitochondrial biogenesis, PGC-1α, were prominently elevated in cultures of the worst malignant Mesimo cells. In addition, although 0.25% trypsin-induced destruction was comparable among all four 2D cultured cells, the values for the 3D spheroids were also substantially varied among these cultures. The findings reported herein indicate that cellular metabolic functions and 3D spheroid architectures may be valuable and useful indicators for estimating the pathological and drug-sensitive aspects of OSCC and OASC malignancies.
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Affiliation(s)
- Sho Miyamoto
- Departments of Oral Surgery, Sapporo Medical University, S1W17, Chuo-ku, Spporo 060-8556, Japan
| | - Nami Nishikiori
- Departments of Ophthalmology, Sapporo Medical University, S1W17, Chuo-ku, Spporo 060-8556, Japan
| | - Tatsuya Sato
- Departments of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University, S1W17, Chuo-ku, Spporo 060-8556, Japan
- Departments of Cellular Physiology and Signal Transduction, Sapporo Medical University, S1W17, Chuo-ku, Spporo 060-8556, Japan
| | - Megumi Watanabe
- Departments of Ophthalmology, Sapporo Medical University, S1W17, Chuo-ku, Spporo 060-8556, Japan
| | - Araya Umetsu
- Departments of Ophthalmology, Sapporo Medical University, S1W17, Chuo-ku, Spporo 060-8556, Japan
| | - Yuri Tsugeno
- Departments of Ophthalmology, Sapporo Medical University, S1W17, Chuo-ku, Spporo 060-8556, Japan
| | - Fumihito Hikage
- Departments of Ophthalmology, Sapporo Medical University, S1W17, Chuo-ku, Spporo 060-8556, Japan
| | - Takashi Sasaya
- Departments of Oral Surgery, Sapporo Medical University, S1W17, Chuo-ku, Spporo 060-8556, Japan
| | - Hirotaka Kato
- Departments of Oral Surgery, Sapporo Medical University, S1W17, Chuo-ku, Spporo 060-8556, Japan
| | - Kazuhiro Ogi
- Departments of Oral Surgery, Sapporo Medical University, S1W17, Chuo-ku, Spporo 060-8556, Japan
| | - Masato Furuhashi
- Departments of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University, S1W17, Chuo-ku, Spporo 060-8556, Japan
| | - Hiroshi Ohguro
- Departments of Ophthalmology, Sapporo Medical University, S1W17, Chuo-ku, Spporo 060-8556, Japan
| | - Akihiro Miyazaki
- Departments of Oral Surgery, Sapporo Medical University, S1W17, Chuo-ku, Spporo 060-8556, Japan
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14
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Suzuki H, Kato H, Iwano M, Nishihama R, Kohchi T. Auxin signaling is essential for organogenesis but not for cell survival in the liverwort Marchantia polymorpha. Plant Cell 2023; 35:1058-1075. [PMID: 36529527 PMCID: PMC10015169 DOI: 10.1093/plcell/koac367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 11/28/2022] [Accepted: 12/15/2022] [Indexed: 05/12/2023]
Abstract
Auxin plays pleiotropic roles in plant development via gene regulation upon its perception by the receptors TRANSPORT INHIBITOR RESPONSE 1/AUXIN SIGNALING F-BOX (TIR1/AFBs). This auxin-regulated transcriptional control mechanism originated in the common ancestor of land plants. Although the complete loss of TIR1/AFBs causes embryonic lethality in Arabidopsis thaliana, it is unclear whether the requirement for TIR1-mediated auxin perception in cell viability can be generalized. The model liverwort Marchantia polymorpha has a minimal auxin signaling system with only a single TIR1/AFB, MpTIR1. Here we show by genetic, biochemical, and transcriptomic analyses that MpTIR1 functions as an evolutionarily conserved auxin receptor. Null mutants and conditionally knocked-out mutants of MpTIR1 were viable but incapable of forming any organs and grew as cell masses. Principal component analysis performed using transcriptomes at various developmental stages indicated that MpTIR1 is involved in the developmental transition from spores to organized thalli, during which apical notches containing stem cells are established. In Mptir1 cells, stem cell- and differentiation-related genes were up- and downregulated, respectively. Our findings suggest that, in M. polymorpha, auxin signaling is dispensable for cell division but is essential for three-dimensional patterning of the plant body by establishing pluripotent stem cells for organogenesis, a derived trait of land plants.
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Affiliation(s)
- Hidemasa Suzuki
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
- Graduate School of Life Sciences, Tohoku University, Sendai 980-8577, Japan
| | - Hirotaka Kato
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
- Graduate School of Science, Kobe University, Kobe 657-8501, Japan
- Graduate School of Science and Engineering, Ehime University, Matsuyama 790-8577, Japan
| | - Megumi Iwano
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
| | - Ryuichi Nishihama
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Noda 278-8510, Japan
| | - Takayuki Kohchi
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
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15
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Ouchi T, Kato N, Kato H, Higashigawa T, Ito H, Nakajima K, Chino S, Tokui T, Oue K, Mizumoto T, Sakuma H. Abstract No. 503 Machine Learning Model to Predict Mid-Term All-Cause Mortality after Elective Thoracic Endovascular Aortic Repair for Thoracic Aortic Aneurysm. J Vasc Interv Radiol 2023. [DOI: 10.1016/j.jvir.2022.12.361] [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: 02/26/2023] Open
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16
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Minoura A, Ihara Y, Kato H, Murakami K, Watanabe Y, Hirano K, Ito Y, Kokaze A. Lip Seal Strength and Tongue Pressure among Japanese Male Workers: Comparison of Different Age Groups. Int J Environ Res Public Health 2023; 20:2862. [PMID: 36833558 PMCID: PMC9957075 DOI: 10.3390/ijerph20042862] [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] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 02/01/2023] [Accepted: 02/05/2023] [Indexed: 06/18/2023]
Abstract
Lip seal strength and tongue pressure are related to sarcopenia in older adults and are directly linked to the quality of life of workers after retirement. This study examined lip seal strength and tongue pressure among Japanese male workers by age. A self-administered questionnaire survey including alcohol consumption and smoking was conducted on 454 male workers. Height, weight, lip seal strength, and tongue pressure were also measured and then stratified by age (20s, 30s, 40s, 50s, and 60s and over). The mean (25th, 75th percentiles) lip seal strength and tongue pressure for all workers were 13.7 N (11.6, 16.4) and 41.7 kPa (35.2, 48.2), respectively. Both lip seal strength and tongue pressure were lowest in the 20s, at 12.1 N (9.6, 14.0) and 40.6 kPa (33.4, 47.6), respectively. The multiple regression analysis adjusted for smoking showed a significant positive association between lip seal strength and BMI for the 20s, 50s, and 60s and over, and a significant positive association between tongue pressure and BMI for the 30s, 40s, 50s, and 60s and over. To maintain oral health in older adults, it may be useful to measure workers' lip seal strength and tongue pressure and intervene at an earlier stage.
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Affiliation(s)
- Akira Minoura
- Department of Hygiene, Public Health and Preventive Medicine, School of Medicine, Showa University, Tokyo 142-8555, Japan
| | - Yoshiaki Ihara
- Division of Oral Functional Rehabilitation Medicine, Department of Special Needs Dentistry, School of Dentistry, Showa University, Tokyo 145-8515, Japan
| | - Hirotaka Kato
- Division of Oral Functional Rehabilitation Medicine, Department of Special Needs Dentistry, School of Dentistry, Showa University, Tokyo 145-8515, Japan
| | - Kouzou Murakami
- Department of Radiology, Division of Radiation Oncology, School of Medicine, Showa University, Tokyo 142-8555, Japan
| | - Yoshio Watanabe
- Division of Respiratory Medicine and Allergology, Department of Medicine, School of Medicine, Showa University, Tokyo 142-8555, Japan
| | - Kojiro Hirano
- Department of Otorhinolaryngology Head and Neck Surgery, School of Medicine, Showa University, Tokyo 142-8555, Japan
| | - Yoshinori Ito
- Department of Radiology, Division of Radiation Oncology, School of Medicine, Showa University, Tokyo 142-8555, Japan
| | - Akatsuki Kokaze
- Department of Hygiene, Public Health and Preventive Medicine, School of Medicine, Showa University, Tokyo 142-8555, Japan
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17
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Kato H, Morikawa Y, Hagihara M, Mikamo H, Iwamoto T. Investigation of in-line filter replacement intervals for infusion. J Hosp Infect 2023; 134:147-152. [PMID: 36738993 DOI: 10.1016/j.jhin.2023.01.012] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/27/2023] [Accepted: 01/27/2023] [Indexed: 02/05/2023]
Abstract
BACKGROUND In-line filters in peripheral and central venous catheters are used to remove bacterial cells mechanically. A recent study indicated an extension of the use of infusion sets to 7 days. There is no evidence regarding replacement intervals for in-line filters. AIM To test in-line filters that were used continuously for 7 days in order to investigate their ability to remove bacteria and assess the flow rate. METHODS Three different in-line filters were attached to an ELNEOPA-NF No. 2 premixed infusion bag of intravenous hyperalimentation, into which Staphylococcus epidermidis ATCC12228 or Escherichia coli ATCC25922 was inoculated. These experiments were compared with a control infusion. The infusion was dropped at a flow rate of 40 mL/h and replaced at 24-h intervals for 7 days. Samples were collected 24 h after drop initiation. FINDINGS S. epidermidis was not detected in droplets between Days 1 and 6, but In-line filters 1 and 2 showed droplets containing 6-10 colony-forming units/mL on Day 7. E. coli was not detected in any of the filters after 7 days of continuous use. Flow rates <40 mL/h were observed on Day 7 for In-line filter 3 in studies of S. epidermidis, and on Days 4 and 3 for In-line filters 2 and 3, respectively, in studies of E. coli. CONCLUSION This study revealed differences in bacterial removal and flow rates under high inoculation between the three in-line filters tested. It is suggested that in-line filters can be used continuously for a maximum of 6 days, and reductions in flow rate after 48 h of continuous use should be noted carefully.
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Affiliation(s)
- H Kato
- Department of Pharmacy, Mie University Hospital, Mie, Japan; Department of Clinical Pharmaceutics, Division of Clinical Medical Science, Mie University Graduate School of Medicine, Mie, Japan; Department of Clinical Infectious Diseases, Aichi Medical University, Aichi, Japan.
| | - Y Morikawa
- Department of Pharmacy, Mie University Hospital, Mie, Japan; Department of Clinical Pharmaceutics, Division of Clinical Medical Science, Mie University Graduate School of Medicine, Mie, Japan
| | - M Hagihara
- Department of Clinical Infectious Diseases, Aichi Medical University, Aichi, Japan; Department of Molecular Epidemiology and Biomedical Sciences, Aichi Medical University Hospital, Aichi, Japan
| | - H Mikamo
- Department of Clinical Infectious Diseases, Aichi Medical University, Aichi, Japan
| | - T Iwamoto
- Department of Pharmacy, Mie University Hospital, Mie, Japan; Department of Clinical Pharmaceutics, Division of Clinical Medical Science, Mie University Graduate School of Medicine, Mie, Japan
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18
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Sasaya T, Kubo T, Murata K, Mizue Y, Sasaki K, Yanagawa J, Imagawa M, Kato H, Tsukahara T, Kanaseki T, Tamura Y, Miyazaki A, Hirohashi Y, Torigoe T. Cisplatin-induced HSF1-HSP90 axis enhances the expression of functional PD-L1 in oral squamous cell carcinoma. Cancer Med 2023; 12:4605-4615. [PMID: 36200687 PMCID: PMC9972142 DOI: 10.1002/cam4.5310] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [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: 08/09/2022] [Revised: 09/07/2022] [Accepted: 09/20/2022] [Indexed: 11/09/2022] Open
Abstract
Immune checkpoint inhibitor-based cancer immunotherapy has provided an additional therapeutic option for oral squamous cell carcinoma (OSCC) with recurrence or distant metastases. However, further improvement of OSCC treatment is required to develop the optimal combination or order for chemoradiotherapy and immunotherapy. Along with the accumulation of clinical knowledge and evidence, it is also essential to clarify the biological impact of chemo-radiotherapeutic agents on the cancer immune microenvironment. In this study, we investigated the effects of cisplatin (CDDP), a key therapeutic agent for OSCC, on programmed death-ligand 1 (PD-L1) expression in OSCC lines. Although CDDP treatment increased the surface levels of PD-L1 on OSCC cell lines, the gene and total protein expression levels of PD-L1 were not altered. We also demonstrated that the phosphorylation of heat shock factor 1 and heat shock protein 90 was involved in this process. In addition, CDDP-induced PD-L1 attenuated the target-specific cytotoxic T lymphocyte reaction to OSCC. These results provide an immunobiological basis for the response of OSCC to CDDP and will contribute to our biological understanding of the action of novel combination therapy including immunotherapy together with platinum-based chemotherapy for OSCC.
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Affiliation(s)
- Takashi Sasaya
- Department of Pathology, Sapporo Medical University, School of Medicine, Sapporo, Japan.,Department of Oral Surgery, Sapporo Medical University, School of Medicine, Sapporo, Japan
| | - Terufumi Kubo
- Department of Pathology, Sapporo Medical University, School of Medicine, Sapporo, Japan
| | - Kenji Murata
- Department of Pathology, Sapporo Medical University, School of Medicine, Sapporo, Japan
| | - Yuka Mizue
- Department of Pathology, Sapporo Medical University, School of Medicine, Sapporo, Japan
| | - Kenta Sasaki
- Department of Pathology, Sapporo Medical University, School of Medicine, Sapporo, Japan
| | - Junko Yanagawa
- Department of Pathology, Sapporo Medical University, School of Medicine, Sapporo, Japan
| | - Makoto Imagawa
- Department of Pathology, Sapporo Medical University, School of Medicine, Sapporo, Japan
| | - Hirotaka Kato
- Department of Pathology, Sapporo Medical University, School of Medicine, Sapporo, Japan.,Department of Oral Surgery, Sapporo Medical University, School of Medicine, Sapporo, Japan
| | - Tomohide Tsukahara
- Department of Pathology, Sapporo Medical University, School of Medicine, Sapporo, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Sapporo Medical University, School of Medicine, Sapporo, Japan
| | - Yasuaki Tamura
- Department of Pathology, Sapporo Medical University, School of Medicine, Sapporo, Japan
| | - Akihiro Miyazaki
- Department of Oral Surgery, Sapporo Medical University, School of Medicine, Sapporo, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University, School of Medicine, Sapporo, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University, School of Medicine, Sapporo, Japan
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Kato H, Mitani Y, Goda T, Yamaue H. Retraction Note: Neonatal congenital mesoblastic nephroma that caused respiratory oncologic emergency early after birth: a case report. BMC Pediatr 2022; 22:743. [PMID: 36581814 PMCID: PMC9801651 DOI: 10.1186/s12887-022-03817-x] [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: 12/31/2022] Open
Abstract
This article has been retracted. Please see the Retraction Notice for more detail: https://doi.org/10.1186/s12887-022-03210-8.
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Affiliation(s)
- Hirotaka Kato
- grid.412857.d0000 0004 1763 1087Second Department of Surgery, Wakayama Medical University Hospital, 811-1 Kimiidera Wakayama, Wakayama, 641-8509 Japan
| | - Yasuyuki Mitani
- grid.412857.d0000 0004 1763 1087Second Department of Surgery, Wakayama Medical University Hospital, 811-1 Kimiidera Wakayama, Wakayama, 641-8509 Japan
| | - Taro Goda
- grid.412857.d0000 0004 1763 1087Second Department of Surgery, Wakayama Medical University Hospital, 811-1 Kimiidera Wakayama, Wakayama, 641-8509 Japan
| | - Hiroki Yamaue
- grid.412857.d0000 0004 1763 1087Second Department of Surgery, Wakayama Medical University Hospital, 811-1 Kimiidera Wakayama, Wakayama, 641-8509 Japan
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20
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Duan YJ, Zhang LT, Qiao JC, Wang YJ, Yang Y, Wada T, Kato H, Pelletier JM, Pineda E, Crespo D. Erratum: Intrinsic Correlation between the Fraction of Liquidlike Zones and the β Relaxation in High-Entropy Metallic Glasses [Phys. Rev. Lett. 129, 175501 (2022)]. Phys Rev Lett 2022; 129:249902. [PMID: 36563283 DOI: 10.1103/physrevlett.129.249902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Indexed: 06/17/2023]
Abstract
This corrects the article DOI: 10.1103/PhysRevLett.129.175501.
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21
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Aki SS, Morimoto T, Ohnishi T, Oda A, Kato H, Ishizaki K, Nishihama R, Kohchi T, Umeda M. R2R3-MYB transcription factor GEMMA CUP-ASSOCIATED MYB1 mediates the cytokinin signal to achieve proper organ development in Marchantia polymorpha. Sci Rep 2022; 12:21123. [PMID: 36477255 PMCID: PMC9729187 DOI: 10.1038/s41598-022-25684-3] [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: 08/18/2022] [Accepted: 12/02/2022] [Indexed: 12/13/2022] Open
Abstract
Cytokinin, a plant hormone, plays essential roles in organ growth and development. The type-B response regulator-mediated cytokinin signaling is repressed by type-A response regulators and is conserved in the liverwort Marchantia polymorpha. Its signal coordinates the development of diverse organs on the thallus body, such as the gemma cup, rhizoid, and air pores. Here we report that the type-B response regulator MpRRB upregulates the expression of the R2R3-MYB transcription factor GEMMA CUP-ASSOCIATED MYB1 (MpGCAM1) in M. polymorpha. Whereas both Mpgcam1 and Mprrb knockout mutants exhibited defects in gemma cup formation, the Mpgcam1 Mprra double mutant, in which cytokinin signaling is activated due to the lack of type-A response regulator, also formed no gemma cups. This suggests that MpGCAM1 functions downstream of cytokinin signaling. Inducible overexpression of MpGCAM1 produced undifferentiated cell clumps on the thalli of both wild-type and Mprrb. However, smaller thalli were formed in Mprrb compared to the wild-type after the cessation of overexpression. These results suggest that cytokinin signaling promotes gemma cup formation and cellular reprogramming through MpGCAM1, while cytokinin signals also participate in activating cell division during thallus development.
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Affiliation(s)
- Shiori S. Aki
- grid.260493.a0000 0000 9227 2257Graduate School of Science and Technology, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara 630-0192 Japan
| | - Tomoyo Morimoto
- grid.260493.a0000 0000 9227 2257Graduate School of Science and Technology, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara 630-0192 Japan
| | - Taiki Ohnishi
- grid.260493.a0000 0000 9227 2257Graduate School of Science and Technology, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara 630-0192 Japan
| | - Ayumi Oda
- grid.260493.a0000 0000 9227 2257Graduate School of Science and Technology, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara 630-0192 Japan
| | - Hirotaka Kato
- grid.31432.370000 0001 1092 3077Graduate School of Science, Kobe University, Kobe, Hyogo 657-8501 Japan ,grid.255464.40000 0001 1011 3808Present Address: Graduate School of Science and Engineering, Ehime University, 2-5, Bunkyo-Cho, Matsuyama, Ehime 790-8577 Japan
| | - Kimitsune Ishizaki
- grid.31432.370000 0001 1092 3077Graduate School of Science, Kobe University, Kobe, Hyogo 657-8501 Japan
| | - Ryuichi Nishihama
- grid.143643.70000 0001 0660 6861Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Yamazaki 2641, Noda, Chiba 278‐8510 Japan
| | - Takayuki Kohchi
- grid.258799.80000 0004 0372 2033Graduate School of Biostudies, Kyoto University, Kyoto, 606-8502 Japan
| | - Masaaki Umeda
- grid.260493.a0000 0000 9227 2257Graduate School of Science and Technology, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara 630-0192 Japan
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22
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Nakamura M, Magara T, Yoshimitsu M, Kano S, Matsubara A, Kato H, Morita A. 458 Tertiary lymphoid structures improve survival in virus-negative Merkel cell carcinoma. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.09.472] [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: 11/19/2022]
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23
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Ihara Y, Kato H, Tashimo Y, Iizumi Y, Fukunishi Y, Sato H, Shimane T, Takahashi K. Changes in oral function, swallowing function, and quality of life in patients with head and neck cancer: a prospective cohort study. BMC Oral Health 2022; 22:293. [PMID: 35843950 PMCID: PMC9288711 DOI: 10.1186/s12903-022-02329-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 07/12/2022] [Indexed: 11/28/2022] Open
Abstract
Background Head and neck cancer (HNC) treatment can cause oral morbidities, such as oral dryness and dysphagia, affecting the patient’s quality of life (QOL). The relationship between oral functions and QOL in patients with early-stage HNC remains poorly studied. This study aimed to evaluate changes in the QOL of patients with early-stage HNC and identify factors that affect the QOL of these patients. Methods In this prospective cohort study, 37 patients who underwent early-stage (Stage I/Stage II) HNC treatment were evaluated for their oral function, swallowing function, and the QOL score at baseline (BL) and 12 months after surgical treatment (12 M). The participants were divided into two groups: patients who returned to the BL QOL score at 12 M (RE; n = 26) and those who did not (NR; n = 11). Results In total, 29.7% (11/37) patients with early-stage HNC did not return to the BL QOL score at 12 M. There was no significant difference between the RE and NR groups regarding the oral and swallowing function. Moreover, oral and swallowing function of all patients returned to the BL at 12 M. The NR group showed lower QOL scores than the RE group in the global health status, and “sticky saliva” parameters in the questionnaires. Conclusion Restoration of the oral function is insufficient to improve the QOL of patients with early-stage HNC. The treatment of these patients should instead consider several factors that affect their QOL.
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Duan YJ, Zhang LT, Qiao JC, Wang YJ, Yang Y, Wada T, Kato H, Pelletier JM, Pineda E, Crespo D. Intrinsic Correlation between the Fraction of Liquidlike Zones and the β Relaxation in High-Entropy Metallic Glasses. Phys Rev Lett 2022; 129:175501. [PMID: 36332263 DOI: 10.1103/physrevlett.129.175501] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 06/21/2022] [Accepted: 09/16/2022] [Indexed: 06/16/2023]
Abstract
Lacking the structural information of crystalline solids, the origin of the relaxation dynamics of metallic glasses is unclear. Here, we report the evolution of stress relaxation of high-entropy metallic glasses with distinct β relaxation behavior. The fraction of liquidlike zones, determined at each temperature by the intensity of stress decay, is shown to be directly related to both the aging process and the spectrum of relaxation modes obtained by mechanical spectroscopy. The results shed light on the intrinsic correlation between the static and dynamic mechanical response in high-entropy and conventional metallic glasses, pointing toward a sluggish diffusion high-entropy effect in the liquid dynamics.
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Affiliation(s)
- Y J Duan
- School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi'an 710072, China
- Department of Physics, Institute of Energy Technologies, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
| | - L T Zhang
- School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi'an 710072, China
| | - J C Qiao
- School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi'an 710072, China
| | - Yun-Jiang Wang
- State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Y Yang
- Department of Mechanical Engineering, College of Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Kowloon, Hong Kong SAR, China
- Department of Materials Science and Engineering, College of Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Kowloon, Hong Kong SAR, China
| | - T Wada
- Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
| | - H Kato
- Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
| | - J M Pelletier
- Université de Lyon, MATEIS, UMR CNRS5510, Bâtiment B. Pascal, INSA-Lyon, F-69621 Villeurbanne Cedex, France
| | - E Pineda
- Department of Physics, Institute of Energy Technologies, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
| | - D Crespo
- Department of Physics, Institute of Energy Technologies, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
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25
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Zhang Y, Li S, Uenaka T, Furuuchi K, Yonemori K, Shimizu T, Nishio S, Yunokawa M, Matsumoto K, Takehara K, Hasegawa K, Hirashima Y, Kato H, Otake Y, Miura T, Matsui J. Phase I Biomarker Analysis Results of MORAb-202 (Farletuzumab Ecteribulin) Effects on Vascular Remodeling and Immune Modulation in Patients With Ovarian Cancer. Eur J Cancer 2022. [DOI: 10.1016/s0959-8049(22)01032-2] [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: 11/03/2022]
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26
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Bowman JL, Arteaga-Vazquez M, Berger F, Briginshaw LN, Carella P, Aguilar-Cruz A, Davies KM, Dierschke T, Dolan L, Dorantes-Acosta AE, Fisher TJ, Flores-Sandoval E, Futagami K, Ishizaki K, Jibran R, Kanazawa T, Kato H, Kohchi T, Levins J, Lin SS, Nakagami H, Nishihama R, Romani F, Schornack S, Tanizawa Y, Tsuzuki M, Ueda T, Watanabe Y, Yamato KT, Zachgo S. The renaissance and enlightenment of Marchantia as a model system. Plant Cell 2022; 34:3512-3542. [PMID: 35976122 PMCID: PMC9516144 DOI: 10.1093/plcell/koac219] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 06/21/2022] [Indexed: 05/07/2023]
Abstract
The liverwort Marchantia polymorpha has been utilized as a model for biological studies since the 18th century. In the past few decades, there has been a Renaissance in its utilization in genomic and genetic approaches to investigating physiological, developmental, and evolutionary aspects of land plant biology. The reasons for its adoption are similar to those of other genetic models, e.g. simple cultivation, ready access via its worldwide distribution, ease of crossing, facile genetics, and more recently, efficient transformation, genome editing, and genomic resources. The haploid gametophyte dominant life cycle of M. polymorpha is conducive to forward genetic approaches. The lack of ancient whole-genome duplications within liverworts facilitates reverse genetic approaches, and possibly related to this genomic stability, liverworts possess sex chromosomes that evolved in the ancestral liverwort. As a representative of one of the three bryophyte lineages, its phylogenetic position allows comparative approaches to provide insights into ancestral land plants. Given the karyotype and genome stability within liverworts, the resources developed for M. polymorpha have facilitated the development of related species as models for biological processes lacking in M. polymorpha.
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Affiliation(s)
| | - Mario Arteaga-Vazquez
- Instituto de Biotecnología y Ecología Aplicada, Universidad Veracruzana, Xalapa VER 91090, México
| | - Frederic Berger
- Gregor Mendel Institute (GMI), Austrian Academy of Sciences, Vienna Biocenter (VBC), Vienna 1030, Austria
| | - Liam N Briginshaw
- School of Biological Sciences, Monash University, Melbourne VIC 3800, Australia
- ARC Centre of Excellence for Plant Success in Nature and Agriculture, Monash University, Melbourne VIC 3800, Australia
| | - Philip Carella
- Department of Cell and Developmental Biology, John Innes Centre, Norwich NR4 7UH, UK
| | - Adolfo Aguilar-Cruz
- Instituto de Biotecnología y Ecología Aplicada, Universidad Veracruzana, Xalapa VER 91090, México
| | - Kevin M Davies
- The New Zealand Institute for Plant and Food Research Limited, Palmerston North 4442, New Zealand
| | - Tom Dierschke
- School of Biological Sciences, Monash University, Melbourne VIC 3800, Australia
| | - Liam Dolan
- Gregor Mendel Institute (GMI), Austrian Academy of Sciences, Vienna Biocenter (VBC), Vienna 1030, Austria
| | - Ana E Dorantes-Acosta
- Instituto de Biotecnología y Ecología Aplicada, Universidad Veracruzana, Xalapa VER 91090, México
| | - Tom J Fisher
- School of Biological Sciences, Monash University, Melbourne VIC 3800, Australia
- ARC Centre of Excellence for Plant Success in Nature and Agriculture, Monash University, Melbourne VIC 3800, Australia
| | - Eduardo Flores-Sandoval
- School of Biological Sciences, Monash University, Melbourne VIC 3800, Australia
- ARC Centre of Excellence for Plant Success in Nature and Agriculture, Monash University, Melbourne VIC 3800, Australia
| | - Kazutaka Futagami
- Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo 153-8902, Japan
| | | | - Rubina Jibran
- The New Zealand Institute for Plant & Food Research Limited, Auckland 1142, New Zealand
| | - Takehiko Kanazawa
- Division of Cellular Dynamics, National Institute for Basic Biology, Myodaiji, Okazaki, Aichi 444-8585, Japan
- The Department of Basic Biology, SOKENDAI (The Graduate University for Advanced Studies), Okazaki, Aichi 444-8585, Japan
| | - Hirotaka Kato
- Graduate School of Science, Kobe University, Kobe 657-8501, Japan
- Graduate School of Science and Engineering, Ehime University, Matsuyama, Ehime 790-8577, Japan
| | - Takayuki Kohchi
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
| | - Jonathan Levins
- School of Biological Sciences, Monash University, Melbourne VIC 3800, Australia
| | - Shih-Shun Lin
- Institute of Biotechnology, National Taiwan University, Taipei 106, Taiwan
| | - Hirofumi Nakagami
- Basic Immune System of Plants, Max-Planck Institute for Plant Breeding Research, 50829 Cologne, Germany
| | - Ryuichi Nishihama
- Department of Applied Biological Science, Tokyo University of Science, Noda, Chiba 278-8510, Japan
| | - Facundo Romani
- Department of Plant Sciences, University of Cambridge, Cambridge CB2 3EA, UK
| | | | - Yasuhiro Tanizawa
- Department of Informatics, National Institute of Genetics, Mishima, Shizuoka 411-8540, Japan
| | - Masayuki Tsuzuki
- Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo 153-8902, Japan
| | - Takashi Ueda
- Division of Cellular Dynamics, National Institute for Basic Biology, Myodaiji, Okazaki, Aichi 444-8585, Japan
- The Department of Basic Biology, SOKENDAI (The Graduate University for Advanced Studies), Okazaki, Aichi 444-8585, Japan
| | - Yuichiro Watanabe
- Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo 153-8902, Japan
| | - Katsuyuki T Yamato
- Faculty of Biology-Oriented Science and Technology, Kindai University, Kinokawa, Wakayama 649-6493, Japan
| | - Sabine Zachgo
- Division of Botany, School of Biology and Chemistry, Osnabrück University, Osnabrück 49076, Germany
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Ono R, Iwahana T, Kato H, Kobayashi Y. Steinberg sign and ectopia lentis: Marfan syndrome. QJM 2022; 115:617-618. [PMID: 35781828 DOI: 10.1093/qjmed/hcac156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Indexed: 11/14/2022] Open
Affiliation(s)
- R Ono
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - T Iwahana
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - H Kato
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - Y Kobayashi
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
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Morrison BG, Morris TC, Phillips CW, Kato H. Internal Hemorrhoids: A Source of Massive Obscure Lower Gastrointestinal Bleeding in Cirrhosis. Cureus 2022; 14:e28138. [PMID: 36158440 PMCID: PMC9491678 DOI: 10.7759/cureus.28138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/16/2022] [Indexed: 11/05/2022] Open
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Umemura T, Mutoh Y, Maeda M, Hagihara M, Ohta A, Mizuno T, Kato H, Sukawa M, Yamada T, Ikeda Y, Mikamo H, Ichihara T. Impact of Hospital Environmental Cleaning with a Potassium Peroxymonosulphate-Based Environmental Disinfectant and Antimicrobial Stewardship on the Reduction of Hospital-Onset Clostridioides difficile Infections. J Hosp Infect 2022; 129:181-188. [PMID: 35820556 DOI: 10.1016/j.jhin.2022.06.018] [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: 04/25/2022] [Revised: 06/27/2022] [Accepted: 06/29/2022] [Indexed: 11/18/2022]
Abstract
BACKGROUND A 1% potassium peroxymonosulphate-based environmental disinfectant (PPED) produces sodium hypochlorite when combined with sodium chloride, which functions as a disinfectant. However, little is known about the impact of hospital cleaning with PPED on hospital-onset Clostridioides difficile infection (HO-CDI). AIM To reduce HO-CDI, we promote antimicrobial stewardship and hospital ward cleaning with PPED. This study was conducted to evaluate their impact. METHODS We began a promotion of post-prescription review with feedback for broad-spectrum antimicrobials and hospital ward cleaning with PPED. We reviewed the ratio of HO-CDI, PPED consumption, and days of therapy (DOT) of broad-spectrum antimicrobials between July 2014 and March 2018, dividing this time into the pre-promotion (July 2014 to June 2015) and post-promotion periods (July 2015 to March 2018). FINDINGS Using interrupted time series analysis, an immediate significant change in HO-CDI was observed after intervention (P = 0.03), although a downward trend was not observed over this period (P = 0.19). Trends in PPED consumption significantly changed over this period (P = 0.02). DOT of carbapenems decreased immediately after the intervention began (P < 0.01). A Poisson regression analysis showed that PPED consumption and DOT of carbapenems were independent factors affecting HO-CDI (P = 0.039 and 0.016, respectively). CONCLUSION We revealed that DOT of carbapenems and use of PPED were associated with the HO-CDI ratio and that both interventions reduced the rate of HO-CDI. This is the first report on the impact of hospital ward cleaning with PPED on the reduction of HO-CDI.
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Affiliation(s)
- T Umemura
- Department of Infection and Prevention, Tosei General Hospital, Aichi, Japan; Department of Clinical Infectious Diseases, Aichi Medical University, Japan; Department of Pharmacy, Tosei General Hospital, Aichi, Japan; College of Pharmacy, Kinjo Gakuin University, Nagoya, Aichi, Japan.
| | - Y Mutoh
- Department of Infection and Prevention, Tosei General Hospital, Aichi, Japan
| | - M Maeda
- Division of Infection Control Sciences, Department of Clinical Pharmacy, School of Pharmacy, Showa University, Tokyo, Japan
| | - M Hagihara
- Department of Clinical Infectious Diseases, Aichi Medical University, Japan
| | - A Ohta
- Department of Pharmacy, Tosei General Hospital, Aichi, Japan
| | - T Mizuno
- Department of Pharmacy, Tosei General Hospital, Aichi, Japan
| | - H Kato
- Department of Clinical Infectious Diseases, Aichi Medical University, Japan
| | - M Sukawa
- Department of Infection and Prevention, Tosei General Hospital, Aichi, Japan
| | - T Yamada
- Department of Pharmacy, Tosei General Hospital, Aichi, Japan
| | - Y Ikeda
- College of Pharmacy, Kinjo Gakuin University, Nagoya, Aichi, Japan
| | - H Mikamo
- Department of Clinical Infectious Diseases, Aichi Medical University, Japan
| | - T Ichihara
- Department of Infection and Prevention, Tosei General Hospital, Aichi, Japan
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Kato H, Goto R, Tsuji T, Kondo K. The effects of patient cost-sharing on health expenditure and health among older people: Heterogeneity across income groups. Eur J Health Econ 2022; 23:847-861. [PMID: 34779932 PMCID: PMC9170661 DOI: 10.1007/s10198-021-01399-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Accepted: 10/25/2021] [Indexed: 06/13/2023]
Abstract
Despite rapidly rising health expenditure associated with population aging, empirical evidence on the effects of cost-sharing on older people is still limited. This study estimated the effects of cost-sharing on the utilization of healthcare and health among older people, the most intensive users of healthcare. We employed a regression discontinuity design by exploiting a drastic reduction in the coinsurance rate from 30 to 10% at age 70 in Japan. We used large administrative claims data as well as income information at the individual level provided by a municipality. Using the claims data with 1,420,252 person-month observations for health expenditure, we found that reduced cost-sharing modestly increased outpatient expenditure, with an implied price elasticity of - 0.07. When examining the effects of reduced cost-sharing by income, we found that the price elasticities for outpatient expenditure were almost zero, - 0.08, and - 0.11 for lower-, middle-, and higher-income individuals, respectively, suggesting that lower-income individuals do not have more elastic demand for outpatient care compared with other income groups. Using large-scale mail survey data with 3404 observations for self-reported health, we found that the cost-sharing reduction significantly improved self-reported health only among lower-income individuals, but drawing clear conclusions about health outcomes is difficult because of a lack of strong graphical evidence to support health improvement. Our results suggest that varying cost-sharing by income for older people (i.e., smaller cost-sharing for lower-income individuals and larger cost-sharing for higher-income individuals) may reduce health expenditure without compromising health.
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Affiliation(s)
- Hirotaka Kato
- Graduate School of Business Administration, Keio University, 4-1-1 Hiyoshi, Yokohama, Kanagawa 223-8521 Japan
- Graduate School of Health Management, Keio University, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582 Japan
| | - Rei Goto
- Graduate School of Business Administration, Keio University, 4-1-1 Hiyoshi, Yokohama, Kanagawa 223-8521 Japan
| | - Taishi Tsuji
- Center for Preventive Medical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670 Japan
- Faculty of Health and Sport Sciences, University of Tsukuba, 3-29-1 Otsuka, Bunkyo-ku, Tokyo, 112-0012 Japan
| | - Katsunori Kondo
- Center for Preventive Medical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670 Japan
- Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, 7-430 Morioka-cho, Obu-shi, Aichi, 474-8511 Japan
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31
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Kato H, Clouser JM, Talari P, Vundi NL, Adu AK, Karri K, Isaacs KB, Williams MV, Chadha R, Li J. Bedside Nurses' Perceptions of Effective Nurse-Physician Communication in General Medical Units: A Qualitative Study. Cureus 2022; 14:e25304. [PMID: 35774666 PMCID: PMC9236637 DOI: 10.7759/cureus.25304] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2022] [Indexed: 11/06/2022] Open
Abstract
Background There is a dearth of research on successful interventions to improve nurse-physician communication (NPC). An important step is identifying what matters to bedside nurses and their perceptions of effective NPC communications and actions. Methods We conducted three focus groups with a total of 19 medical unit nurses across two hospitals in one academic medical center in the United States. Using a convenience sampling strategy, five to eight nurses voluntarily participated in each focus group. The recording was transcribed verbatim and two independent coders performed coding and resolved any discrepancies in codes. Qualitative content analysis was pursued to identify themes and associated quotes. Results The presence of direct communication between physicians and nurses was identified as the first theme and perceived by nurses as very important. Additional themes related to physician communication and attributes emerged including collegiality and respect (e.g., engaging nurses as partners in patient care), attentiveness and responsiveness (e.g., listening carefully and addressing concerns), and directness and support (e.g., backing nurses up in difficult situations). Effective NPC is further facilitated by organizational structure, relationship development separate from patient care, and consistent/timely use of technology. Conclusions Hospital bedside nurses provided valuable insight into improved physician communication and what attributes contribute to more effective NPC. Most importantly, they emphasized the significance of physicians in supporting them with difficult patients.
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Kato H, Nemoto K, Shimizu M, Abe A, Asai S, Ishihama N, Matsuoka S, Daimon T, Ojika M, Kawakita K, Onai K, Shirasu K, Yoshida M, Ishiura M, Takemoto D, Takano Y, Terauchi R. Recognition of pathogen-derived sphingolipids in Arabidopsis. Science 2022; 376:857-860. [PMID: 35587979 DOI: 10.1126/science.abn0650] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In plants, many invading microbial pathogens are recognized by cell-surface pattern recognition receptors, which induce defense responses. Here, we show that the ceramide Phytophthora infestans-ceramide D (Pi-Cer D) from the plant pathogenic oomycete P. infestans triggers defense responses in Arabidopsis. Pi-Cer D is cleaved by an Arabidopsis apoplastic ceramidase, NEUTRAL CERAMIDASE 2 (NCER2), and the resulting 9-methyl-branched sphingoid base is recognized by a plasma membrane lectin receptor-like kinase, RESISTANT TO DFPM-INHIBITION OF ABSCISIC ACID SIGNALING 2 (RDA2). 9-Methyl-branched sphingoid base is specific to microbes and induces plant immune responses by physically interacting with RDA2. Loss of RDA2 or NCER2 function compromised Arabidopsis resistance against an oomycete pathogen. Thus, we elucidated the recognition mechanisms of pathogen-derived lipid molecules in plants.
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Affiliation(s)
- H Kato
- Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
| | - K Nemoto
- Iwate Biotechnology Research Center, Kitakami 024-0003, Japan
| | - M Shimizu
- Iwate Biotechnology Research Center, Kitakami 024-0003, Japan
| | - A Abe
- Iwate Biotechnology Research Center, Kitakami 024-0003, Japan
| | - S Asai
- RIKEN Center for Sustainable Resource Science, Yokohama 230-0045, Japan
| | - N Ishihama
- RIKEN Center for Sustainable Resource Science, Yokohama 230-0045, Japan
| | - S Matsuoka
- RIKEN Center for Sustainable Resource Science, Wako 351-0198, Japan
| | - T Daimon
- Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
| | - M Ojika
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan
| | - K Kawakita
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan
| | - K Onai
- Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
| | - K Shirasu
- RIKEN Center for Sustainable Resource Science, Yokohama 230-0045, Japan.,Graduate School of Science, The University of Tokyo, Tokyo 113-8654, Japan
| | - M Yoshida
- RIKEN Center for Sustainable Resource Science, Wako 351-0198, Japan.,Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
| | - M Ishiura
- Graduate School of Science, Nagoya University, Nagoya 464-8601, Japan
| | - D Takemoto
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan
| | - Y Takano
- Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
| | - R Terauchi
- Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan.,Iwate Biotechnology Research Center, Kitakami 024-0003, Japan
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Ono R, Iwahana T, Kato H, Kobayashi Y. Dual P-waves in a patient after heart transplantation. QJM 2022; 115:318. [PMID: 35380729 DOI: 10.1093/qjmed/hcac092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- R Ono
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - T Iwahana
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - H Kato
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - Y Kobayashi
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
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Uchida T, Teramoto T, Fukizawa S, Kato H, Nonaka Y, Suematsu M, Murayama N. Characteristics of the glycometabolic categories based on the oral glucose tolerance test results in Japanese adults without diabetes. Eur Rev Med Pharmacol Sci 2022; 26:2765-2774. [PMID: 35503621 DOI: 10.26355/eurrev_202204_28606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE We aimed to classify Japanese adults without diabetes into different categories based on the oral glucose tolerance test (OGTT) and characterize their insulin sensitivity and insulin secretion. PATIENTS AND METHODS The OGTT was performed on 1,085 Japanese individuals without diabetes (aged 20-64 years); blood glucose and insulin levels were measured at 0, 30-, 60-, 90-, and 120-min. Fasting blood chemistry, hematology, and urine were analyzed. The participants were classified into four categories based on the following: (A) 30 min post-load plasma glucose levels < 157 mg/dL and/or (B) 120 min post-load plasma glucose levels < 126 mg/dL and Matsuda index > 4.97. Category 1 satisfied both conditions, category 2 satisfied condition A but not B, category 3 satisfied condition B but not A, and category 4 satisfied neither condition. RESULTS Overall, 46%, 21%, 13%, and 20% of the participants were classified into categories 1, 2, 3, and 4, respectively. Compared with category 1, the characteristics of the other categories were: 2, low insulin sensitivity and high blood glucose levels during the later period; 3, low insulin secretion and a rapid increase in blood glucose levels; and 4, combined characteristics of categories 2 and 3. Most blood test values besides glucose metabolism in category 4 were also worse than those in category 1. Categories 1 and 2 had a high proportion of females, whereas categories 3 and 4 had a low proportion. CONCLUSIONS Japanese adults without diabetes are classified into four categories with different insulin sensitivities and insulin secretion using OGTT results. Each category has different characteristics of age and sex distribution and clinical values besides glucose metabolism.
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Affiliation(s)
- T Uchida
- Suntory Global Innovation Center Limited, Research Institute, Kyoto, Japan.
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Kato H, Kinoshita H, Kawaguchi M, Yamazaki H, Sakata Y. Successful procedure with additional omentopexy to suture closure of gallbladder stump in laparoscopic subtotal cholecystectomy. Asian J Endosc Surg 2022; 15:372-375. [PMID: 34726321 PMCID: PMC9298370 DOI: 10.1111/ases.13007] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/18/2021] [Accepted: 10/20/2021] [Indexed: 11/30/2022]
Abstract
Laparoscopic subtotal cholecystectomy, a bailout surgery for cholecystitis, can result in postoperative bile leakage, so surgical ingenuity is required. An 88-year-old woman had pain at the right hypochondrium. Abdominal computed tomography showed swelling of the gallbladder and thickness of the gallbladder wall, leading to diagnosis of mild acute cholecystitis. Percutaneous transhepatic gallbladder drainage was performed to alleviate cholecystitis because the patient was taking antiplatelet medicine. Laparoscopic cholecystectomy was then performed within 72 hours from the onset. The gallbladder was operatively found to be strongly fibrotic, so the procedure was switched to laparoscopic subtotal cystectomy, dissecting the gallbladder at the infundibulum-cystic duct level. The gallbladder stump was closed with barbed suture and omentopexy was added due to fragility. There was no significant postoperative bile leakage. Additional omentopexy to stump closure in laparoscopic subtotal cholecystectomy was thought to be useful in prevention of postoperative bile leakage.
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Affiliation(s)
- Hirotaka Kato
- Department of SurgerySaiseikai Wakayama HospitalWakayama CityJapan
| | | | - Masanori Kawaguchi
- Department of GastroenterologySaiseikai Wakayama HospitalWakayama CityJapan
| | - Hirofumi Yamazaki
- Department of GastroenterologySaiseikai Wakayama HospitalWakayama CityJapan
| | - Yoshifumi Sakata
- Department of SurgerySaiseikai Wakayama HospitalWakayama CityJapan
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Kato H, Kubota A, Mitani Y, Goda T, Yamaue H. Preoperative Chest Radiographic Examination for Pediatric Inguinal Hernia and Umbilical Hernia. Indian J Pediatr 2022; 89:421. [PMID: 35072910 DOI: 10.1007/s12098-021-04073-0] [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] [Received: 10/31/2021] [Accepted: 12/10/2021] [Indexed: 11/30/2022]
Affiliation(s)
- Hirotaka Kato
- Second Department of Surgery, Wakayama Medical University Hospital, 811-1 Kimiidera, Wakayama, Wakayama, 641-8509, Japan.
| | - Akio Kubota
- Second Department of Surgery, Wakayama Medical University Hospital, 811-1 Kimiidera, Wakayama, Wakayama, 641-8509, Japan
| | - Yasuyuki Mitani
- Second Department of Surgery, Wakayama Medical University Hospital, 811-1 Kimiidera, Wakayama, Wakayama, 641-8509, Japan
| | - Taro Goda
- Second Department of Surgery, Wakayama Medical University Hospital, 811-1 Kimiidera, Wakayama, Wakayama, 641-8509, Japan
| | - Hiroki Yamaue
- Second Department of Surgery, Wakayama Medical University Hospital, 811-1 Kimiidera, Wakayama, Wakayama, 641-8509, Japan
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Kato H, Mitani Y, Goda T, Yamaue H. Neonatal congenital mesoblastic nephroma that caused respiratory oncologic emergency early after birth: a case report. BMC Pediatr 2022; 22:139. [PMID: 35300628 PMCID: PMC8928623 DOI: 10.1186/s12887-022-03210-8] [Citation(s) in RCA: 1] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 03/10/2022] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Congenital mesoblastic nephromas mainly present as asymptomatic abdominal masses, but some present hematuria, hypertension or hypercalcemia. Neonatal dyspnea in an early-birth neonate due to rapid tumor growth is reported here for the first time. CASE PRESENTATION A renal tumor and polyhydramnios were detected by ultrasonography of a male fetus at 32 weeks and 3 days of gestation. The mother had abdominal distension due to the polyhydramnios and signs of imminent premature birth. Amniocentesis was performed and the signs of imminent preterm birth subsided, but growth of the renal tumor was noted as a potential cause of respiratory dysfunction. Cesarean section was performed at 36 weeks and 2 days of gestation. His birthweight was 2638 g and his 1 and 5 min APGAR scores were 2 and 4 points, respectively. There was no spontaneous breathing at birth and he had remarkable abdominal distention. He underwent cardiopulmonary resuscitation. After circulation stabilized, emergency surgery was performed because of progressive hypoxemia and respiratory acidosis. Laparotomy revealed a huge tumor arising from the right kidney and right nephrectomy was performed. Histopathological examination led to diagnosis of congenital mesoblastic nephroma. The respiratory condition and circulatory dynamics stabilized after the pressure on the thorax from the tumor was relieved by surgery. The postoperative course was uneventful. No recurrence or complications have been observed in the 36 months since the surgery. CONCLUSIONS Congenital mesoblastic nephroma can rapidly increase in size from the fetal period and may cause respiratory oncologic emergency, although there is relatively good prognosis.
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Affiliation(s)
- Hirotaka Kato
- grid.412857.d0000 0004 1763 1087Second Department of Surgery, Wakayama Medical University Hospital, 811-1 Kimiidera Wakayama, Wakayama, 641-8509 Japan
| | - Yasuyuki Mitani
- grid.412857.d0000 0004 1763 1087Second Department of Surgery, Wakayama Medical University Hospital, 811-1 Kimiidera Wakayama, Wakayama, 641-8509 Japan
| | - Taro Goda
- grid.412857.d0000 0004 1763 1087Second Department of Surgery, Wakayama Medical University Hospital, 811-1 Kimiidera Wakayama, Wakayama, 641-8509 Japan
| | - Hiroki Yamaue
- grid.412857.d0000 0004 1763 1087Second Department of Surgery, Wakayama Medical University Hospital, 811-1 Kimiidera Wakayama, Wakayama, 641-8509 Japan
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Kanaya M, Miyamoto N, Fujii T, Kudo K, Kinota N, Kato H. Combination Therapy by Transarterial Injection of Miriplatin-Iodized Oil Suspension with Microwave Ablation for Medium-Sized Hepatocellular Carcinoma: the Preliminary Experience. Interv Radiol (Higashimatsuyama) 2022; 7:1-8. [PMID: 35911877 PMCID: PMC9327324 DOI: 10.22575/interventionalradiology.2021-0009] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 08/16/2021] [Indexed: 06/15/2023]
Abstract
PURPOSE To evaluate the feasibility and safety of transarterial injection of a miriplatin-iodized oil suspension combined with Emprint miriplatin-iodized oil suspension-microwave ablation in patients with medium-sized (3-5 cm) hepatocellular carcinomas. MATERIALS AND METHODS This retrospective study included a total of 11 patients with 12 hepatocellular carcinomas (mean size, 3.6 ± 0.6 cm) underwent miriplatin-iodized oil suspension-microwave ablation. Microwave ablation was performed under the guidance of computed tomography fluoroscopy following transarterial miriplatin-iodized oil suspension injection on the same day. Technical success, complications, and local tumor progression were assessed. RESULTS The primary and secondary technical success rates were 75.0% and 100%, respectively. The number of treatment sessions per nodule was 1.25 ± 0.45. A total 15 sessions were required to achieve technical success (one session in nine lesions, two sessions in three lesions). Two major complications (pneumothorax [n = 1] and hemorrhage [n = 1]) occurred (2/15, 13.3%). No local tumor progression was observed during the follow-up period (mean 12.0 ± 2.0 months, range 2.7-23.9 months). CONCLUSIONS Miriplatin-iodized oil suspension-microwave ablation for medium-sized hepatocellular carcinomas can be safely performed with good local control.
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Affiliation(s)
- Motoma Kanaya
- Department of Radiology, Obihiro Kosei Hospital, Japan
| | | | - Takaaki Fujii
- Department of Radiology, Obihiro Kosei Hospital, Japan
| | - Kyohei Kudo
- Department of Radiology, Obihiro Kosei Hospital, Japan
| | - Naoya Kinota
- Department of Radiology, Hyogo College of Medicine, Japan
| | - Hirotaka Kato
- Department of Radiology, Hakodate Municipal Hospital, Japan
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Koga M, Kinoshita Y, Kato H, Kobayashi H, Shinoda Y, Nangaku M, Makita N, Dahir KM, Ito N. Massive calcification around large joints in a patient subsequently diagnosed with adult-onset hypophosphatasia. Osteoporos Int 2022; 33:505-509. [PMID: 34494146 DOI: 10.1007/s00198-021-06145-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 09/02/2021] [Indexed: 10/20/2022]
Abstract
We report a 64-year-old Japanese woman with a history of progressive loss of motor function and painful swelling of large joints. At the age of 54, profound calcification appeared around the shoulder and hip joints, which did not heal after repeated surgical resections. Iliac bone biopsy revealed osteomalacic changes. Laboratory data showed low serum alkaline phosphatase (ALP) activity and a high urine phosphoethanolamine (PEA) concentration with normal serum calcium, phosphate, and fibroblast growth factor 23 (FGF23) levels. Subsequent genetic analysis of the ALPL gene confirmed the diagnosis of hypophosphatasia (HPP) with the identification of a heterozygous single nucleotide deletion, c.1559delT (p.Leu520ArgfsX86). We started a mineral-targeted enzyme replacement therapy, asfotase alfa (AA), to treat the patient's musculoskeletal symptoms. A follow-up bone biopsy after 12 months of AA treatment showed improvement of osteomalacia. Calcified deposits around the large joints were unchanged radiographically. To our knowledge, this is the first report of a patient with an adult-onset HPP who presented with profound calcification around multiple joints. Nonspecific clinical signs and symptoms in patients with adult-onset HPP often result in delayed diagnosis or misdiagnosis. We propose that bone biopsy and genetic analysis should be considered along with laboratory analysis for all patients with ectopic calcification around joints of unknown etiology for accurate diagnosis and better treatment.
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Affiliation(s)
- M Koga
- Division of Nephrology and Endocrinology, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Y Kinoshita
- Division of Nephrology and Endocrinology, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - H Kato
- Division of Nephrology and Endocrinology, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - H Kobayashi
- Department of Orthopedic Surgery, The University of Tokyo Hospital, Tokyo, Japan
| | - Y Shinoda
- Department of Rehabilitation Medicine, The University of Tokyo Hospital, Tokyo, Japan
| | - M Nangaku
- Division of Nephrology and Endocrinology, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - N Makita
- Division of Nephrology and Endocrinology, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - K M Dahir
- Vanderbilt University Medical Center, Program for Metabolic Bone Disorders, Nashville, TN, USA
| | - N Ito
- Division of Nephrology and Endocrinology, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.
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Ono R, Iwahana T, Kato H, Kobayashi Y. Epsilon wave detection on Apple Watch electrocardiogram. QJM 2022; 115:52-53. [PMID: 34791468 DOI: 10.1093/qjmed/hcab289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- R Ono
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670, Japan
| | - T Iwahana
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670, Japan
| | - H Kato
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670, Japan
| | - Y Kobayashi
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670, Japan
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Jahan A, Yamazaki Y, Islam M, Ghosh TK, Yoshimura N, Kato H, Ishizaki K, Shinozawa A, Sakata Y, Takezawa D. Differential regulations of abscisic acid-induced desiccation tolerance and vegetative dormancy by group B3 Raf kinases in liverworts. Front Plant Sci 2022; 13:952820. [PMID: 35968153 PMCID: PMC9370073 DOI: 10.3389/fpls.2022.952820] [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] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 07/04/2022] [Indexed: 05/10/2023]
Abstract
Phytohormone abscisic acid (ABA) plays a key role in stomata closure, osmostress acclimation, and vegetative and embryonic dormancy. Group B3 Raf protein kinases (B3-Rafs) serve as positive regulators of ABA and osmostress signaling in the moss Physcomitrium patens and the angiosperm Arabidopsis thaliana. While P. patens has a single B3-Raf called ARK, specific members of B3-Rafs among six paralogs regulate ABA and osmostress signaling in A. thaliana, indicating functional diversification of B3-Rafs in angiosperms. However, we found that the liverwort Marchantia polymorpha, belonging to another class of bryophytes, has three paralogs of B3-Rafs, MpARK1, MpARK2, and MpARK3, with structural variations in the regulatory domains of the polypeptides. By reporter assays of the P. patens ark line and analysis of genome-editing lines of M. polymorpha, we found that these B3-Rafs are functionally redundant in ABA response, with respect to inhibition of growth, tolerance to desiccation and expression of stress-associated transcripts, the majority of which are under the control of the PYR/PYL/RCAR-like receptor MpPYL1. Interestingly, gemmae in gemma cups were germinating only in mutant lines associated with MpARK1, indicating that dormancy in the gametophyte is controlled by a specific B3-Raf paralog. These results indicated not only conservation of the role of B3-Rafs in ABA and osmostress response in liverworts but also functional diversification of B3-Rafs, which is likely to have occurred in the early stages of land plant evolution.
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Affiliation(s)
- Akida Jahan
- Graduate School of Science and Engineering, Saitama University, Saitama, Japan
| | - Yuto Yamazaki
- Graduate School of Science and Engineering, Saitama University, Saitama, Japan
| | - Mousona Islam
- Graduate School of Science and Engineering, Saitama University, Saitama, Japan
- Biological Research Division, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | - Totan Kumar Ghosh
- Department of Crop Botany, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh
| | - Nami Yoshimura
- Graduate School of Science, Kobe University, Kobe, Japan
| | - Hirotaka Kato
- Graduate School of Science, Kobe University, Kobe, Japan
| | | | - Akihisa Shinozawa
- Department of Bioscience, Tokyo University of Agriculture, Tokyo, Japan
| | - Yoichi Sakata
- Department of Bioscience, Tokyo University of Agriculture, Tokyo, Japan
| | - Daisuke Takezawa
- Graduate School of Science and Engineering, Saitama University, Saitama, Japan
- *Correspondence: Daisuke Takezawa,
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Ohya T, Nakagawa K, Arai Y, Kato H. Visualization of droplets produced by dental air turbines that require infection control measured during coronavirus 2019 outbreaks. J Hosp Infect 2022; 119:196-198. [PMID: 34637853 PMCID: PMC8501514 DOI: 10.1016/j.jhin.2021.10.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 10/05/2021] [Indexed: 11/30/2022]
Affiliation(s)
- T. Ohya
- Department of Oral and Maxillofacial Surgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan,Corresponding author. Address: Department of Oral and Maxillofacial Surgery, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan. Tel.: +81-45-787-2659
| | - K. Nakagawa
- Department of Bioengineering, Department of Precision Engineering, The University of Tokyo, Tokyo, Japan
| | - Y. Arai
- Department of Otolaryngology, Head and Neck Surgery, Yokohama City University School of Medicine, Yokohama, Japan
| | - H. Kato
- Infection Prevention and Control Department, Yokohama City University Hospital, Yokohama, Japan
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Nishimura F, Kim Y, Bando T, Fujise Y, Nakamura G, Murase H, Kato H. Morphological differences in skulls and feeding apparatuses between Antarctic (Balaenoptera bonaerensis) and common (Balaenoptera acutorostrata) minke whales, and the implication for their feeding ecology. CAN J ZOOL 2021. [DOI: 10.1139/cjz-2020-0237] [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: 11/22/2022]
Abstract
The differences in rorqual feeding ecology have been linked to the presence of different morphological markers. The Antarctic minke whale (Balaenoptera bonaerensis Burmeister, 1867) and the common minke whale (Balaenoptera acutorostrata Lacépède, 1804) are closely related species, but their morphological differences have not been fully investigated. In this study, we compared 21 skull and 11 feeding apparatus (baleen and mouth-related parts) measurement points between these two species using hundreds of individuals covering a wide range of body lengths in both sexes. Their engulfment capacities were estimated using these measurements. Our results show that Antarctic minke whales have (i) proportionally larger skulls to the body length, (ii) more dorsoventrally and laterally curved rostra, (iii) proportionally larger feeding apparatuses to the condylobasal length, and (iv) significantly larger engulfment capacity than common minke whales. These differences could indicate that Antarctic minke whales have developed a feeding strategy suitable for feeding on krill, which forms large schools. In contrast, common minke whales have adapted to prey on small pelagic fishes that are agile and form small schools.
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Affiliation(s)
- F. Nishimura
- Laboratory of Cetacean Biology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan
| | - Y. Kim
- Laboratory of Cetacean Biology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan
| | - T. Bando
- Institute of Cetacean Research, Toyomi Shinko Building 5F, 4-5 Toyomi-cho, Chuo-ku, Tokyo 104-0055, Japan
| | - Y. Fujise
- Institute of Cetacean Research, Toyomi Shinko Building 5F, 4-5 Toyomi-cho, Chuo-ku, Tokyo 104-0055, Japan
| | - G. Nakamura
- Laboratory of Cetacean Biology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan
| | - H. Murase
- Laboratory of Cetacean Biology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan
| | - H. Kato
- Laboratory of Cetacean Biology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan
- Institute of Cetacean Research, Toyomi Shinko Building 5F, 4-5 Toyomi-cho, Chuo-ku, Tokyo 104-0055, Japan
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Nakamura Y, Namikawa K, Yoshikawa S, Kiniwa Y, Maekawa T, Yamasaki O, Isei T, Matsushita S, Nomura M, Nakai Y, Fukushima S, Saito S, Takenouchi T, Tanaka R, Kato H, Otsuka A, Matsuya T, Baba N, Nagase K, Inozume T, Fujimoto N, Kuwatsuka Y, Onishi M, Kaneko T, Onuma T, Umeda Y, Ogata D, Takahashi A, Otsuka M, Teramoto Y, Yamazaki N. Anti-PD-1 antibody monotherapy versus anti-PD-1 plus anti-CTLA-4 combination therapy as first-line immunotherapy in unresectable or metastatic mucosal melanoma: a retrospective, multicenter study of 329 Japanese cases (JMAC study). ESMO Open 2021; 6:100325. [PMID: 34839104 PMCID: PMC8633880 DOI: 10.1016/j.esmoop.2021.100325] [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: 09/21/2021] [Accepted: 10/29/2021] [Indexed: 01/14/2023] Open
Abstract
Background Anti-programmed cell death protein 1 (PD-1) antibody monotherapy (PD1) has led to favorable responses in advanced non-acral cutaneous melanoma among Caucasian populations; however, recent studies suggest that this therapy has limited efficacy in mucosal melanoma (MCM). Thus, advanced MCM patients are candidates for PD1 plus anti-cytotoxic T lymphocyte-associated antigen-4 (CTLA-4) combination therapy (PD1 + CTLA4). Data on the efficacy of immunotherapy in MCM, however, are limited. We aimed to compare the efficacies of PD1 and PD1 + CTLA4 in Japanese advanced MCM patients. Patients and methods We retrospectively assessed advanced MCM patients treated with PD1 or PD1 + CTLA4 at 24 Japanese institutions. Patient baseline characteristics, clinical responses (RECIST), progression-free survival (PFS), and overall survival (OS) were estimated using Kaplan–Meier analysis, and toxicity was assessed to estimate the efficacy and safety of PD1 and PD1 + CTLA4. Results Altogether, 329 patients with advanced MCM were included in this study. PD1 and PD1 + CTLA4 were used in 263 and 66 patients, respectively. Baseline characteristics were similar between both treatment groups, except for age (median age 71 versus 65 years; P < 0.001). No significant differences were observed between the PD1 and PD1 + CTLA4 groups with respect to objective response rate (26% versus 29%; P = 0.26) or PFS and OS (median PFS 5.9 months versus 6.8 months; P = 0.55, median OS 20.4 months versus 20.1 months; P = 0.55). Cox multivariate survival analysis revealed that PD1 + CTLA4 did not prolong PFS and OS (PFS: hazard ratio 0.83, 95% confidence interval 0.58-1.19, P = 0.30; OS: HR 0.89, 95% confidence interval 0.57-1.38, P = 0.59). The rate of ≥grade 3 immune-related adverse events was higher in the PD1 + CTLA4 group than in the PD1 group (53% versus 17%; P < 0.001). Conclusions First-line PD1 + CTLA4 demonstrated comparable clinical efficacy to PD1 in Japanese MCM patients, but with a higher rate of immune-related adverse events. Anti-PD-1 plus anti-CTLA-4 antibody therapy (PD1 + CTLA4) is an option for patients with advanced mucosal melanoma (MCM). Data on the efficacy of PD1 + CTLA4 compared with PD-1 monotherapy (PD1) for MCM, however, are limited. We retrospectively analyzed data from 329 Japanese patients with advanced MCM treated with PD1 or PD1 + CTLA4. No significant differences in objective response rate, progression-free survival, or overall survival were observed. Immune-related adverse events resulting in treatment cessation were higher in the PD1 + CTLA4 group.
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Affiliation(s)
- Y Nakamura
- Department of Skin Oncology/Dermatology, Saitama Medical University International Medical Center, Saitama, Japan.
| | - K Namikawa
- Department of Dermatologic Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - S Yoshikawa
- Department of Dermatology, Shizuoka Cancer Center, Shizuoka, Japan
| | - Y Kiniwa
- Department of Dermatology, Shinshu University, Matsumoto, Japan
| | - T Maekawa
- Department of Dermatology, Jichi Medical University, Tochigi, Japan
| | - O Yamasaki
- Department of Dermatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - T Isei
- Department of Dermatologic Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - S Matsushita
- Department of Dermato-Oncology/Dermatology, National Hospital Organization Kagoshima Medical Center, Kagoshima, Japan
| | - M Nomura
- Department of Clinical Oncology, Kyoto University, Kyoto, Japan
| | - Y Nakai
- Department of Dermatology, Mie University, Tsu, Japan
| | - S Fukushima
- Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - S Saito
- Department of Dermatology, Gunma University, Maebashi, Japan
| | - T Takenouchi
- Department of Dermatology, Niigata Cancer Center, Niigata, Japan
| | - R Tanaka
- Department of Dermatology, Kawasaki Medical School, Kurashiki, Japan
| | - H Kato
- Department of Geriatric and Environmental Dermatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - A Otsuka
- Department of Dermatology, Kyoto University, Kyoto, Japan
| | - T Matsuya
- Department of Dermatology, Asahikawa Medical University, Asahikawa, Japan
| | - N Baba
- Department of Dermatology, Fukui University, Fukui, Japan
| | - K Nagase
- Division of Dermatology, Department of Internal Medicine, Saga University, Saga, Japan
| | - T Inozume
- Department of Dermatology, Chiba University, Chiba, Japan
| | - N Fujimoto
- Department of Dermatology, Shiga University of Medical Science, Otsu, Japan
| | - Y Kuwatsuka
- Department of Dermatology, Nagasaki University, Nagasaki, Japan
| | - M Onishi
- Department of Dermatology, Iwate Medical University, Morioka, Japan
| | - T Kaneko
- Department of Dermatology, Juntendo University Urayasu Hospital, Urayasu, Japan
| | - T Onuma
- Department of Dermatology, Yamanashi University, Kofu, Japan
| | - Y Umeda
- Department of Skin Oncology/Dermatology, Saitama Medical University International Medical Center, Saitama, Japan; Department of Dermatology, Kawasaki Medical School, Kurashiki, Japan
| | - D Ogata
- Department of Dermatologic Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - A Takahashi
- Department of Dermatologic Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - M Otsuka
- Department of Dermatology, Shizuoka Cancer Center, Shizuoka, Japan
| | - Y Teramoto
- Department of Skin Oncology/Dermatology, Saitama Medical University International Medical Center, Saitama, Japan
| | - N Yamazaki
- Department of Dermatologic Oncology, National Cancer Center Hospital, Tokyo, Japan
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Affiliation(s)
- H Kato
- Infection Prevention and Control Department, Yokohama City University Hospital, 3-9 Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan
- Address correspondence to Dr H. Kato, Infection Prevention and Control Department, Yokohama City University Hospital, 3-9, Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan.
| | - T Ohya
- Department of Oral and Maxillofacial Surgery, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan
| | - Y Arai
- Department of Otolaryngology, Head and Neck Surgery, Yokohama City University School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan
| | - K Nakagawa
- Department of Bioengineering, Department of Precision Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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Noda Y, Nakamura F, Kawamura T, Kawai N, Kaga T, Miyoshi T, Kato H, Hyodo F, Matsuo M. Deep-learning image-reconstruction algorithm for dual-energy CT angiography with reduced iodine dose: preliminary results. Clin Radiol 2021; 77:e138-e146. [PMID: 34782114 DOI: 10.1016/j.crad.2021.10.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 10/15/2021] [Indexed: 01/24/2023]
Abstract
AIM To evaluate the computed tomography (CT) attenuation values, background noise, arterial depiction, and image quality in whole-body dual-energy CT angiography (DECTA) at 40 keV with a reduced iodine dose using deep-learning image reconstruction (DLIR) and compare them with hybrid iterative reconstruction (IR). MATERIAL AND METHODS Whole-body DECTA with a reduced iodine dose (200 mg iodine/kg) was performed in 22 patients, and DECTA data at 1.25-mm section thickness with 50% overlap were reconstructed at 40 keV using 40% adaptive statistical iterative reconstruction with Veo (hybrid-IR group), and DLIR at medium and high levels (DLIR-M and DLIR-H groups). The CT attenuation values of the thoracic and abdominal aortas and iliac artery and background noise were measured. Arterial depiction and image quality on axial, multiplanar reformatted (MPR), and volume-rendered (VR) images were assessed by two readers. Quantitative and qualitative parameters were compared between the hybrid-IR, DLIR-M, and DLIR-H groups. RESULTS The vascular CT attenuation values were almost comparable between the three groups (p=0.013-0.97), but the background noise was significantly lower in the DLIR-H group than in the hybrid-IR and DLIR-M groups (p<0.001). The arterial depictions on axial and MPR images and in almost all arteries on VR images were comparable (p=0.14-1). The image quality of axial, MPR, and VR images was significantly better in the DLIR-H group (p<0.001-0.015). CONCLUSION DLIR significantly reduced background noise and improved image quality in DECTA at 40 keV compared with hybrid-IR, while maintaining the arterial depiction in almost all arteries.
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Affiliation(s)
- Y Noda
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan.
| | - F Nakamura
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - T Kawamura
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - N Kawai
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - T Kaga
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - T Miyoshi
- Department of Radiology Services, Gifu University Hospital, 1-1 Yanagido, Gifu 501-1194, Japan
| | - H Kato
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - F Hyodo
- Department of Radiology, Frontier Science for Imaging, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
| | - M Matsuo
- Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan
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Kato H, Ono H, Sato M, Noguchi M, Kobayashi K. Relationships between management factors in dairy production systems and mental health of farm managers in Japan. J Dairy Sci 2021; 105:441-452. [PMID: 34763908 DOI: 10.3168/jds.2021-20666] [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] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 09/15/2021] [Indexed: 11/19/2022]
Abstract
To facilitate sustainable dairy farming, it is essential to assess and support the mental health of dairy farm workers, which is affected more than that of workers in other industries, as indicated by the relatively few studies to date. In addition, the limited investigations on mental health in dairy workers minimize the opportunities to suggest practical approaches of improvement of their mental health. Therefore, further data acquisition and analysis is required. In the present study, we undertook quantitative surveys on 17 management factors and administered a mental health questionnaire to 81 dairy farm managers (80 male, 1 female) in Hokkaido, northern Japan. The management factors were categorized into 3 groups: production input, production output, and facility indicator; mental health was evaluated based on the Center for Epidemiologic Studies Depression Scale (CES-D). Principal component analysis assigned the factors into 2 groups: intensiveness factors of dairy production systems (PC1: livestock care cost, fat- and protein-corrected milk, stocking density, medical consultation fee per unit time per animal unit, nonfamily wages, fertilizer and pesticide expenses, and net agricultural income ratio) and basic dairy management factors (PC2: net agricultural income ratio, quantity of concentrate feed, and milk quality variable). The depression symptoms of dairy farm managers were not significantly associated with PC1 and milking methods; however, they were significantly negatively associated with PC2, which integrated 3 management factors, including factors related to finances, feeding, and milk quality. According to the findings of the present study, the efforts needed for stable economic farm management, adequate feed supply, and milk quality maintenance may increase the depression levels of dairy farm managers and negatively affect their mental health. These findings could be the basis for future studies on the relationship between the mental health of farm managers and sustainable dairy farm management and production.
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Affiliation(s)
- H Kato
- Research Faculty of Agriculture, Hokkaido University, Sapporo 060-8589, Japan.
| | - H Ono
- College of Bioresource Sciences, Nihon University, Fujisawa 252-0880, Japan
| | - M Sato
- Faculty of Health Sciences, Hokkaido University, Sapporo 060-0812, Japan
| | - M Noguchi
- Japanese Red Cross College of Nursing, Tokyo 150-0012, Japan
| | - K Kobayashi
- Research Faculty of Agriculture, Hokkaido University, Sapporo 060-8589, Japan
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Takamure K, Tanaka J, Kato H, Uchiyama T. Falling behavior of hollow particle with uniaxial through–hole: A case study using experiments and numerical simulations. POWDER TECHNOL 2021. [DOI: 10.1016/j.powtec.2021.07.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Abstract
IMPORTANCE Despite the growing number of physicians who reduce clinical time owing to research, administrative work, and family responsibilities, the quality of care provided by these physicians remains unclear. OBJECTIVE To examine the association between the number of days worked clinically per year by physicians and patient mortality. DESIGN, SETTING, AND PARTICIPANTS This cross-sectional analysis was completed on a 20% random sample of Medicare fee-for-service beneficiaries 65 years and older who were admitted to the hospital with an emergency medical condition and treated by a hospitalist in 2011 through 2016. Because hospitalists typically work in shifts, hospitalists' patients are plausibly quasirandomized to hospitalists based on the hospitalists' work schedules (natural experiment). The associations between hospitalists' number of days worked clinically per year and 30-day patient mortality and readmission rates were examined, adjusting for patient and physician characteristics and hospital fixed effects (effectively comparing physicians within the same hospital). Data analysis was conducted from July 1, 2020, to July 2, 2021. EXPOSURES Physicians' number of days worked clinically per year. MAIN OUTCOMES AND MEASURES The primary outcome was 30-day patient mortality, and the secondary outcome was 30-day patient readmission. RESULTS Among 392 797 hospitalizations of patients treated by 19 170 hospitalists (7482 female [39.0%], 11 688 male [61.0%]; mean [SD] age, 41.1 [8.8] years), patients treated by physicians with more days worked clinically exhibited lower mortality. Adjusted 30-day mortality rates were 10.5% (reference), 10.0% (adjusted risk difference [aRD], -0.5%; 95% CI, -0.8% to -0.2%; P = .002), 9.5% (aRD, -0.9%; 95% CI, -1.2% to -0.6%; P < .001), and 9.6% (aRD, -0.9%; 95% CI, -1.2% to -0.6%; P < .001) for physicians in the first (bottom), second, third, and fourth (top) quartile of days worked clinically, respectively. Readmission rates were not associated with the numbers of days a physician worked clinically (adjusted 30-day readmissions for physicians in the bottom quartile of days worked clinically per year vs those in the top quartile, 15.3% vs 15.2%; aRD, -0.1%; 95% CI, -0.5% to 0.3%; P = .61). CONCLUSIONS AND RELEVANCE In this cross-sectional study, hospitalized Medicare patients treated by physicians who worked more clinical days had lower 30-day mortality. Given that physicians with reduced clinical time must often balance clinical and nonclinical obligations, improved support by institutions may be necessary to maintain the clinical performance of these physicians.
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Affiliation(s)
- Hirotaka Kato
- Division of General Internal Medicine and Health Services Research, David Geffen School of Medicine, University of California, Los Angeles.,Graduate School of Business Administration, Keio University, Yokohama, Japan.,Graduate School of Health Management, Keio University, Tokyo, Japan
| | - Anupam B Jena
- Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts.,Department of Medicine, Massachusetts General Hospital, Boston.,National Bureau of Economic Research, Cambridge, Massachusetts
| | - Jose F Figueroa
- Department of Health Policy and Management, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.,Division of General Internal Medicine, Brigham and Women's Hospital, Boston, Massachusetts.,Department of Medicine, Harvard Medical School, Boston, Massachusetts
| | - Yusuke Tsugawa
- Division of General Internal Medicine and Health Services Research, David Geffen School of Medicine, University of California, Los Angeles.,Department of Health Policy and Management, Fielding School of Public Health, University of California, Los Angeles
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Nakamura M, Nagase K, Yoshimitsu M, Magara T, Nojiri Y, Kato H, Kobayashi T, Teramoto Y, Yasuda M, Wada H, Ozawa T, Ogata D, Morita A. 262 Glucose-6-Phosphate Dehydrogenase is a Promising Biomarker for Prognosis and Immune Activity Prediction in Merkel Cell Carcinoma. J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.08.268] [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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