Kazuhiro Yamamoto
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View article: Clinical Course After Transcatheter Aortic Valve Replacement for Takayasu Arteritis–Related Aortic Stenosis and Regurgitation
Clinical Course After Transcatheter Aortic Valve Replacement for Takayasu Arteritis–Related Aortic Stenosis and Regurgitation Open
Takayasu arteritis (TAK) is chronic, large-vessel vasculitis that frequently involves the aorta and its major branches, often leading to aortic valve disease. Recently, transcatheter aortic valve replacement (TAVR) has emerged as a less in…
View article: Context-Aware Sentence Classification of Radiology Reports Using Synthetic Data (Preprint)
Context-Aware Sentence Classification of Radiology Reports Using Synthetic Data (Preprint) Open
BACKGROUND Vision-language models (VLMs) for radiology require large-scale image–text pairs. However, free-text reports mix background information, findings, and continuation sentences. Manual annotation is labor-intensive, and the direct…
View article: BL13U of NanoTerasu: a beamline for soft and tender X-ray absorption spectroscopy with versatile photon polarization
BL13U of NanoTerasu: a beamline for soft and tender X-ray absorption spectroscopy with versatile photon polarization Open
A synchrotron radiation beamline BL13U is under commissioning at NanoTerasu, the new 3 GeV high-brilliance synchrotron radiation facility at Tohoku, Japan. BL13U is dedicated for wide-energy-range X-ray absorption spectroscopy, in the soft…
View article: Reduced Pulmonary Artery Compliance in a Conscious State Predicts Cardiac Event After Transcatheter Edge-to-Edge Repair in Patients With Ventricular Secondary Mitral Regurgitation
Reduced Pulmonary Artery Compliance in a Conscious State Predicts Cardiac Event After Transcatheter Edge-to-Edge Repair in Patients With Ventricular Secondary Mitral Regurgitation Open
Reduced PA compliance (hemodynamically derived in the conscious state) was a strong prognostic indicator in patients with vSMR who underwent M-TEER.
View article: Low incidence of deep vein thrombosis after double-balloon endoscopy and colorectal submucosal dissection: Multicenter, prospective study
Low incidence of deep vein thrombosis after double-balloon endoscopy and colorectal submucosal dissection: Multicenter, prospective study Open
Background and study aims Although deep vein thrombosis (DVT) and pulmonary embolism (PE) are major postoperative complications, risk of DVT/PE after endoscopic procedures remains unknown. This study aimed to identify risks of DVT/PE after…
View article: Incidence and risk factors of hypotension-related adverse events among Japanese patients with heart failure receiving sacubitril/valsartan or enalapril: Results from the PARALLEL-HF study
Incidence and risk factors of hypotension-related adverse events among Japanese patients with heart failure receiving sacubitril/valsartan or enalapril: Results from the PARALLEL-HF study Open
Incidence of hypotension-related AEs was higher in the sacubitril/valsartan versus enalapril group but did not affect risk of cardiovascular death or HF hospitalization, which was similar between treatment groups.
View article: Influenza Vaccination and Cardiovascular Events in Japanese Patients With Heart Failure ― Findings From the PARALLEL-HF Trial ―
Influenza Vaccination and Cardiovascular Events in Japanese Patients With Heart Failure ― Findings From the PARALLEL-HF Trial ― Open
The influenza vaccination rate in Japanese patients with HFrEF who were well managed on guideline-directed medical therapy was suboptimal despite recommendations from clinical practice guidelines. However, importantly, it could be associat…
View article: The water imbalance of skeletal muscle and muscle weakness in patients with heart failure
The water imbalance of skeletal muscle and muscle weakness in patients with heart failure Open
Aims A high extracellular water (ECW) to intracellular water (ICW) ratio of skeletal muscle as assessed by bioelectrical impedance analysis is reportedly associated with loss of muscle strength. However, the validity of this index for hear…
View article: Association of a Transitional Heart Failure Management Program With Readmission and End-of-Life Care in Rural Japan
Association of a Transitional Heart Failure Management Program With Readmission and End-of-Life Care in Rural Japan Open
Background: Evidence on transitional care for heart failure (HF) in Japan is limited. Methods and Results: We implemented a transitional HF management program in rural Japan in 2019. This involved collaboration …
View article: Factors affecting the willingness of nursing care staffs for cooperation with heart failure care and the role of internet video education
Factors affecting the willingness of nursing care staffs for cooperation with heart failure care and the role of internet video education Open
Background With the aging of heart failure (HF) patients, collaboration between medical and nursing care facilities is essential for HF care. The aims of this study were: (1) to identify the factors that affect willingness of nursing care …
View article: Efficacy and Safety of Sacubitril/Valsartan in Japanese Patients With Heart Failure According to Baseline Systolic Blood Pressure ― Results From a Subgroup Analysis of the PARALLEL-HF Study ―
Efficacy and Safety of Sacubitril/Valsartan in Japanese Patients With Heart Failure According to Baseline Systolic Blood Pressure ― Results From a Subgroup Analysis of the PARALLEL-HF Study ― Open
The efficacy of sacubitril/valsartan compared with enalapril was consistent across baseline SBP tertiles in Japanese patients from the PARALLEL-HF study. Hypotension-related events were more common in patients treated with sacubitril/valsa…
View article: Daily Monitoring of Ripening Processes of a Tomato Using an Original Handheld Visible–Near-Infrared Spectrometer
Daily Monitoring of Ripening Processes of a Tomato Using an Original Handheld Visible–Near-Infrared Spectrometer Open
A handheld visible- and shortwave near-infrared spectrometer has been developed for monitoring daily changes in fruits and vegetables. The ripening processes of a mini tomato sample have been monitored daily for about 100 days by this inst…
View article: Long-Term Treatment With Sacubitril/Valsartan in Japanese Patients With Chronic Heart Failure and Reduced Ejection Fraction ― Open-Label Extension of the PARALLEL-HF Study ―
Long-Term Treatment With Sacubitril/Valsartan in Japanese Patients With Chronic Heart Failure and Reduced Ejection Fraction ― Open-Label Extension of the PARALLEL-HF Study ― Open
Long-term sacubitril/valsartan at doses up to 200 mg, b.i.d., has a positive risk-benefit profile; it was safe and well tolerated in Japanese patients with chronic HFrEF.
View article: High Extracellular-to-Intracellular Water Ratio in Limb Muscles is Associated with Low Muscle Strength in Patients with Heart Failure
High Extracellular-to-Intracellular Water Ratio in Limb Muscles is Associated with Low Muscle Strength in Patients with Heart Failure Open
Background A high extracellular water (ECW) to intracellular water (ICW) ratio of skeletal muscle as assessed by bioelectrical impedance analysis is reportedly associated with loss of muscle strength. However, the validity of this index fo…
View article: Study of atmospheric ion escape from exoplanet TOI-700 d: Venus analogs
Study of atmospheric ion escape from exoplanet TOI-700 d: Venus analogs Open
This dataset contains the simulation results in the paper "Study of atmospheric ion escape from exoplanet TOI-700 d: Venus analogs" submitted to Journal of Geophysical Research: Space Physics.
View article: Study of atmospheric ion escape from exoplanet TOI-700 d: Venus analogs
Study of atmospheric ion escape from exoplanet TOI-700 d: Venus analogs Open
This dataset contains the simulation results in the paper "Study of atmospheric ion escape from exoplanet TOI-700 d: Venus analogs" submitted to Journal of Geophysical Research: Space Physics.
View article: Study of atmospheric ion escape from exoplanet TOI-700 d: Venus analogs
Study of atmospheric ion escape from exoplanet TOI-700 d: Venus analogs Open
This dataset contains the simulation results in the paper "Study of atmospheric ion escape from exoplanet TOI-700 d: Venus analogs" submitted to Journal of Geophysical Research: Space Physics.
View article: Disordering two-dimensional magnet-particle configurations using bidispersity
Disordering two-dimensional magnet-particle configurations using bidispersity Open
In various types of many-particle systems, bidispersity is frequently used to avoid spontaneous ordering in particle configuration. In this study, the relation between bidispersity and disorder degree of particle configuration is investiga…
View article: Return-to-work Outcomes of Farmers in Tokachi, Japan After Hand Trauma Surgery
Return-to-work Outcomes of Farmers in Tokachi, Japan After Hand Trauma Surgery Open
自営農家の手指部・手部・肘部の外傷（以下，手外科外傷）患者の治療に際して，治療だけでなく家業の継続に関しても配慮する必要がある。本研究では手外科外傷のため当院整形外科で手術治療が実施され，術後にリハビリテーション処方がなされた自営農家56名を対象に，職業復職状況を調査した。8割を超える49例が現職復帰を果たしていたが，その多くが農繁期に機能障害を有したまま復職していた。医療従事者は機能障害の程度にかかわらず農期に合わせて復職する自営農家の手外科外傷患者の傾向を認識し，治療だ…
View article: Study of atmospheric ion escape from exoplanet TOI-700 d
Study of atmospheric ion escape from exoplanet TOI-700 d Open
View article: JCS 2021 Guideline on the Clinical Application of Echocardiography
JCS 2021 Guideline on the Clinical Application of Echocardiography Open
View article: Mo1088: DIFFERENCES BETWEEN FUNCTIONAL CONSTIIPATION AND CONSTIPATION-PREDOMNANT IRRITABLE BOWEL SYNDROME WITH FOCUS PERFERCTIONISM BY STATISTICAL FACTOR ANALYSIS
Mo1088: DIFFERENCES BETWEEN FUNCTIONAL CONSTIIPATION AND CONSTIPATION-PREDOMNANT IRRITABLE BOWEL SYNDROME WITH FOCUS PERFERCTIONISM BY STATISTICAL FACTOR ANALYSIS Open
View article: What is the appropriate use of CT in combination with tumor marker and medical examination findings in the follow-up of postoperative patients with ovarian cancer?
What is the appropriate use of CT in combination with tumor marker and medical examination findings in the follow-up of postoperative patients with ovarian cancer? Open
Background The aim of this study was to establish the appropriate use of CT in combination with tumor marker and medical examination findings in the follow-up of postoperative patients with ovarian cancer based on the recurrence pattern in…
View article: Investigation of Optimal Timing for Hand Surgery in Farmers Living in Tokachi Region
Investigation of Optimal Timing for Hand Surgery in Farmers Living in Tokachi Region Open
農業従事者に対して手外科治療を行なう上で，手外科治療と農業の両立を図れるように配慮することが重要であるが，これまで医療従事者の観点から農業従事者の忙しさに関して詳細に調査した研究は認めない。本研究では，手外科手術治療を行なった十勝地方の個人農家（耕種農業・畜産農業）20例に対してアンケートを実施し，月毎の忙しさ及び手外科治療を希望する時期に関して調査を行なった。 耕種農業においては5月頃の施肥・播種，育苗・移植時期，及び8～10月の収穫・運搬時期に忙しさのピークを認めた。一…
View article: Retraction Note to: Inhaled tiotropium to prevent postoperative cardiopulmonary complications in patients with newly diagnosed chronic obstructive pulmonary disease requiring lung cancer surgery
Retraction Note to: Inhaled tiotropium to prevent postoperative cardiopulmonary complications in patients with newly diagnosed chronic obstructive pulmonary disease requiring lung cancer surgery Open
View article: 3G R&D: R&D for the Next Generation of Ground-based Gravitational-wave Detectors
3G R&D: R&D for the Next Generation of Ground-based Gravitational-wave Detectors Open
To deliver on the promise of next generation gravitational-wave observatories, a sustained and coordinated detector research and development program is required. This report examines in detail the wide range of nearer- and longer-term dete…
View article: Mapping of Mature and Young Oil Palm Distributions in a Humid Tropical River Basin for Flood Vulnerability Assessment
Mapping of Mature and Young Oil Palm Distributions in a Humid Tropical River Basin for Flood Vulnerability Assessment Open
Oil palm is one of the key drivers of economic growth in some regions in the humid tropical countries such as Indonesia. Previous studies show that floods risk at particular river basins in Indonesia will increase in the future due to clim…
View article: Trimethylamine N‐oxide and outcomes in patients hospitalized with acute heart failure and preserved ejection fraction
Trimethylamine N‐oxide and outcomes in patients hospitalized with acute heart failure and preserved ejection fraction Open
Aims Trimethylamine N‐oxide (TMAO) is a metabolite derived from the gut microbiota. Elevated TMAO levels are associated with a poor prognosis in patients with heart failure with reduced ejection fraction. However, the prognostic effect of …
View article: Erratum for Ikeda et al., “Pemafibrate Dramatically Ameliorated the Values of Liver Function Tests and Fibrosis Marker in Patients with Non-Alcoholic Fatty Liver Disease”
Erratum for Ikeda et al., “Pemafibrate Dramatically Ameliorated the Values of Liver Function Tests and Fibrosis Marker in Patients with Non-Alcoholic Fatty Liver Disease” Open
[This corrects the article DOI: 10.33160/yam.2020.08.009.].
View article: Pemafibrate Dramatically Ameliorated the Values of Liver Function Tests and Fibrosis Marker in Patients with Non-Alcoholic Fatty Liver Disease
Pemafibrate Dramatically Ameliorated the Values of Liver Function Tests and Fibrosis Marker in Patients with Non-Alcoholic Fatty Liver Disease Open
Pemafibrate dramatically ameliorated the values of liver function tests and APRI in patients with NAFLD.