Publications by authors named "Tetsuro Hayashi"

Background: Few studies have been conducted on the usage of telehealth focusing on consultations between patients' families and physicians. This study aimed to identify the usage and limitations of online medical consultations with patients' families compared to the traditional in-person consultations.

Methods: We conducted a prospective cohort study from April 1, 2020, to September 30, 2021, at an educational acute-care hospital in Japan.

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Hypoxia-inducible factor-1 (HIF-1) plays essential roles in human diseases, though its central role in oxygen homoeostasis hinders the development of direct HIF-1-targeted pharmacological approaches. Here, we surveyed small-molecule compounds that efficiently inhibit the transcriptional activity of HIF-1 without affecting body homoeostasis. We focused on Mint3, which activates HIF-1 transcriptional activity in limited types of cells, such as cancer cells and macrophages, by suppressing the factor inhibiting HIF-1 (FIH-1).

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Munc-18 interacting protein 3 (Mint3) is an activator of hypoxia-inducible factor-1 in cancer cells, macrophages, and cancer-associated fibroblasts under pathological conditions. However, exactly which cells highly express Mint3 in vivo and whether Mint3 depletion affects their physiological functions remain unclear. Here, we surveyed mouse tissues for specific expression of Mint3 by comparing Mint3 expression in wild-type and Mint3-knockout mice.

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Background: The physical status of patients who received enteral nutrition is still unclear. We aimed to compare the physical functional status among older adult patients who underwent percutaneous endoscopic gastrostomy (PEG) and those with nasogastric feeding.

Methods: We conducted a retrospective cohort study in an acute care hospital from August 1, 2009 to March 31, 2015.

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Although infectious mononucleosis due to Epstein-Barr virus (EBV) is a common disease among young individuals, central nervous system (CNS) complications are rare. In this report, we describe a case of CNS complications caused by EBV in a previously healthy young woman. She presented to our hospital with a 9-day history of headache and sore throat, followed by the development of fever and facial edema 6 days prior to admission.

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Background: Little is known about the outcomes of in-hospital cardiopulmonary resuscitation (CPR) in Asian populations including elderly patients in Japan.

Objective: To determine the survival outcome of in-hospital CPR among elderly patients in Japan, and to identify predictors associated with survival.

Design: Retrospective cohort study in 81 Japanese hospitals from April 1, 2010 to March 31, 2016.

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Objective: This study examined the effects of resistance training of swallowing muscles in community-dwelling older individuals with dysphagia.

Methods: A cluster randomized controlled trial was performed in day-service and day-care facilities. The participants were older (≥65 y) community-dwelling individuals with dysphagia.

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Article Synopsis
  • - This research involved a multicenter study comparing patients with catheter-related bloodstream infections (CRBSI) caused by Bacillus cereus to a matched group of controls.
  • - A total of 108 patients with B cereus-related CRBSI were analyzed alongside 269 controls to assess various risk factors.
  • - The study found that using an amino acid preparation and having an indwelling peripheral catheter were significant factors associated with an increased risk of CRBSI from Bacillus cereus.
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Cancer metastasis is intricately orchestrated by both cancer and normal cells, such as endothelial cells and macrophages. Monocytes/macrophages, which are often co-opted by cancer cells and promote tumor malignancy, acquire more than half of their energy from glycolysis even during normoxic conditions. This glycolytic activity is maintained during normoxia by the functions of hypoxia inducible factor 1 (HIF-1) and its activator APBA3.

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Objectives: Several instruments for evaluating patient complexity have been developed from a biopsychosocial perspective. Although relationships between the results obtained by these instruments and the length of stay in hospital have been examined, many instruments are complicated and not easy to use. The Patient Centred Assessment Method (PCAM) is a candidate for practical use.

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Descending mediastinitis caused by Streptococcus pyogenes (group A streptococcus, GAS) is rare among cases of invasive GAS infection. In this report, we describe a case of a cervical abscess and secondary descending mediastinitis in a previously healthy 39-year-old Japanese man. The patient presented with a 2-week history of a sore throat, and subsequently developed an abscess and descending mediastinitis.

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Background: Psychiatrists in clinical practice face a number of stressors related to patient care, such as overwork. On the other hand, they gain satisfaction from their work. We quantified and assessed the potential relationship between levels of occupational stress, satisfaction, and depressive symptoms among Japanese clinical psychiatrists.

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Although primary aldosteronism had been recognized to be a treatable type of hypertension, it was recently suggested to be associated with an increased risk of cardiovascular complications. Coronary artery aneurysm is a rare complication after drug-eluting stent (DES) implantation, and a giant coronary aneurysm is very rare. The present case is a 51-year-old, hypertensive patient with primary aldosteronism who developed myocardial infarction, a giant coronary aneurysm after DES implantation, and then cerebral hemorrhage.

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