Publications by authors named "Yamada C"

To investigate the cross-sectional association between skeletal muscle mass and lifestyles including exercise, mealtime, and sleep habits in adult men aged under 64. A total of 101 Japanese men aged under 64 who underwent "Anti-aging Health Checkups" were enrolled in the study. Cross-sectional analyses were conducted using the subjects' data such as body mass index, skeletal muscle mass index (SMI), and self-reported lifestyle information.

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Community-acquired pneumonia (CAP) is associated with high mortality rates and often results in prolonged hospital stays. The potential of machine learning to enhance prediction accuracy in this context is significant, yet clinicians often lack the programming skills required for effective data mining. This study aimed to assess the effectiveness of a low-code approach for assisting clinicians with data mining for mortality and length of stay (LOS) prediction in patients with CAP.

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Background: The COVID-19 pandemic disproportionately affected migrant populations in Japan, including Vietnamese migrants, who faced distinct challenges in accessing healthcare compared to native Japanese citizens. These challenges, exacerbated by the structural complexities of Japan's healthcare system during the pandemic, likely influenced their subjective health perceptions. Nevertheless, studies on Vietnamese migrants' difficulties in healthcare access during the pandemic and their perceived health perceptions are lacking.

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Objectives: To evaluate previously reported quantitative (tumor thickness 11 mm and depth of invasion [DOI] 7.5 mm) and qualitative (styloglossus/hyoglossus muscle invasion [SHMI]) magnetic resonance imaging (MRI) parameters for predicting occult neck node metastasis in clinical N0 oral tongue squamous cell carcinoma.

Methods: This single-center retrospective study included 76 patients.

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d-Galactofuranose (Galf) is widely distributed in glycoconjugates of pathogenic microbes. β-d-Galactofuranosidase (Galf-ase) from Streptomyces sp. JHA19 (ORF1110) belongs to glycoside hydrolase (GH) family 2 and is the first identified Galf-specific degradation enzyme.

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A 75-year-old man with a history of small intestinal angioectasia underwent transcatheter edge-to-edge repair for severe functional mitral regurgitation, resulting in recovery of large von Willebrand Factor multimers. This case highlights the potential of transcatheter edge-to-edge repair to manage both heart failure and acquired von Willebrand disease associated with functional mitral regurgitation.

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A 64-year-old man with autosomal dominant polycystic kidney disease (ADPKD) on hemodialysis presented with multiple lung masses. A computed tomography (CT)-guided biopsy revealed non-small-cell lung cancer (NSCLC). A cavitary mass in the right lung indicated primary NSCLC (cT2N1M1a, stage IVA).

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  • The study investigates the prevalence and factors associated with red blood cell (RBC) alloimmunization in transfused patients, focusing on how clinical factors relate to the development and disappearance of RBC antibodies.
  • Data from 1194 patients across five institutions showed that 4.6% developed new antibodies after transfusion, with the number of RBC units transfused significantly influencing this outcome.
  • The research suggests that antibodies identified through specific testing methods may often fade away quickly and emphasizes the importance of thorough antibody screening, particularly for patients receiving many transfusions, to avoid missing potentially relevant antibody information.
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  • CDI (Clostridioides difficile infection) is a serious health issue often caused by broad-spectrum antibiotics, prompting this study to analyze a new, lyophilized fecal microbiota transplant product for treating recurrent cases.
  • A pilot study with 24 patients showed a 92% clinical response rate using the microbiota transplant, which was found to maintain significant bacterial viability.
  • The cost-benefit analysis indicated that fecal microbiota transplantation is a safer and cheaper alternative to conventional treatments like vancomycin or metronidazole, potentially saving millions in healthcare costs in Brazil.
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Prior studies have suggested that immune thrombotic thrombocytopenic purpura (iTTP) may display seasonal variation; however, methodologic limitations and sample sizes have diminished the ability to perform a rigorous assessment. This 5-year retrospective study assessed the epidemiology of iTTP and determined whether it displays a seasonal pattern. Patients with both initial and relapsed iTTP (defined as a disintegrin and metalloprotease with thrombospondin type motifs 13 activity <10%) from 24 tertiary centers in Australia, Canada, France, Greece, Italy, Spain, and the US were included.

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Polymyositis/dermatomyositis (DM) is an idiopathic inflammatory myopathy manifesting mainly as symmetrical proximal muscle weakness and/or typical cutaneous features due to autoimmune mechanisms. Clinically amyopathic dermatomyositis (CADM) is a subset of DM that exhibits only the typical cutaneous features without any clinical muscle symptoms. Several autoantibodies have been found specifically in patients with polymyositis/DM, including CADM patients.

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Background: ZNF384-fusion (Z-fusion) genes were recently identified in B-cell acute lymphoblastic leukemia (B-ALL) and are frequent in Japanese adult patients. The frequency is about 20% in those with Philadelphia chromosome-negative B-ALL. ZNF384 is a transcription factor and Z-fusion proteins have increased transcriptional activity; however, the detailed mechanisms of leukemogenesis of Z-fusion proteins have yet to be clarified.

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In robot-assisted rehabilitation, it is unclear which type of haptic guidance is effective for regaining motor function because of the lack of direct comparisons among multiple types of haptic guidance. The objective of this study was to investigate the effects of different types of haptic guidance on upper limb motor learning in a spiral drawing task. Healthy young participants performed two experiments in which they practiced the drawing movement using a robotic manipulandum with a virtual wall (Path guidance), running direction pushing and virtual wall (Path & Push guidance), restriction to the target movement (Target guidance), or without haptic guidance (Free guidance).

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Herein, we report a case of 72-year-old man who had L858R EGFR-mutated lung adenocarcinoma. Chest computed tomography revealed a large lung mass that had completely replaced the right upper lobe. Although the mass dramatically shrank after initiating chemotherapy, non-malignant pleural effusion appeared.

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Article Synopsis
  • The study investigated the socioeconomic and mental health impacts of the COVID-19 pandemic on Vietnamese migrants in Japan, focusing on changes from 2021 to 2022.
  • It found that depression symptoms among participants decreased over time, indicating a potential improvement in mental health.
  • Factors such as subjective socioeconomic status and having someone to talk to about health were identified as important for mitigating mental health issues in this population.
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Unlabelled: Central nervous system (CNS) malignant neoplasms may lead to venous thromboembolism (VTE) and bleeding, which result in rehospitalization, morbidity and mortality. We aimed to assess the incidence of VTE and bleeding in this population.

Methods: This systematic review and meta-analysis (PROSPERO CRD42023423949) were based on a standardized search of PubMed, Virtual Health Library and Cochrane (n = 1653) in July 2023.

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Background: Substance use disorder (SUD) is a major health issue in Indonesia, where several barriers to treatment exist, including inaccessibility to treatment services, stigma, and criminalization of drug issues. Peer involvement and the use of telemedicine to deliver psychotherapy are promising approaches to overcome these barriers.

Objective: This study aims (1) to describe the development of a new group psychotherapy coprovided by a health care worker and a peer and (2) to evaluate the acceptability, practicality, and preliminary outcomes of the program delivered via videoconferencing in Indonesia.

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  • The concept of Metabolic Associated Fatty Liver Disease (MAFLD) was introduced, focusing on metabolic risk factors like obesity and diabetes, which affect patients' prognosis better than the previously used Non-Alcoholic Fatty Liver Disease (NAFLD) criteria.
  • A study involving 7,159 patients from Tokai University Hospital examined the impact of MAFLD versus NAFLD diagnostic criteria on disease progression and medication use over a 5-year period.
  • Results showed that while 34.9% of participants had fatty liver, those diagnosed with MAFLD experienced a more considerable increase in starting new medications compared to those diagnosed only with NAFLD, indicating that MAFLD criteria could provide a clearer understanding of
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Motile cilia on the cell surface produce fluid flows in the body and abnormalities in motile cilia cause primary ciliary dyskinesia. Dynein axonemal assembly factor 6 (DNAAF6), a causative gene of primary ciliary dyskinesia, was isolated as an interacting protein with La ribonucleoprotein 6 (LARP6) that regulates ciliogenesis in multiciliated cells (MCCs). In MCCs of Xenopus embryos, LARP6 and DNAAF6 were colocalized in biomolecular condensates termed dynein axonemal particles and synergized to control ciliogenesis.

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Non-small cell lung cancer (NSCLC) patients are often complicated by other respiratory diseases, including interstitial pneumonia (IP), chronic obstructive pulmonary disease (COPD), and pulmonary tuberculosis (TB), and the management of which can be problematic. NSCLC patients with IP sometimes develop fatal acute exacerbation induced by pharmacotherapy, and the establishment of a safe treatment strategy is desirable. For advanced NSCLC with IP, carboplatin plus nanoparticle albumin-bound paclitaxel is a relatively safe and effective first-line treatment option.

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Since propionate exerts several physiological effects, maintenance of its normal colonic fermentation is essential. To investigate whether vitamin B (VB) is essential for normal propionate fermentation by colonic bacteria, via the succinate pathway, we examined if high-amylose cornstarch (HACS) feeding activated such a pathway, if high HACS feeding impaired propionate fermentation, and if oral VB supplementation normalized propionate fermentation. Male rats were given control, 20% HACS or 3% fucose diets (Expt.

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Amikacin liposome inhalation suspension (ALIS) is known to cause drug-related pneumonitis, which has been described as "hypersensitivity pneumonitis (HP)". However, its clinical and pathological characteristics have never been reported. We retrospectively evaluated 18 patients treated with ALIS.

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Non-small-cell lung cancer (NSCLC) with comorbid interstitial pneumonia (IP) is a population with limited treatment options and a poor prognosis. Patients with comorbid IP are at high risk of developing fatal drug-induced pneumonitis, and data on the safety and efficacy of molecularly targeted therapies are lacking. mutations have been frequently detected in patients with NSCLC with comorbid IP.

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