Publications by authors named "Fujibayashi K"

Objectives: After the severe acute respiratory syndrome corona virus 2 (SARS-CoV-2) outbreak, a state of emergency was imposed to stop the spread of infection, resulting in restrictions on routine medical examinations. As a result, there has been a decline in cancer screening and detection. However, it is uncertain how many more cancer cases among routine outpatients have been detected recently.

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Background: High blood pressure (BP) is linked to unhealthy lifestyles, and its treatment includes medications and exercise therapy. Many previous studies have evaluated the effects of exercise on BP improvement; however, exercise requires securing a location, time, and staff, which can be challenging in clinical settings. The antihypertensive effects of dance exercise for patients with hypertension have already been verified, and it has been found that adherence and dropout rates are better compared to other forms of exercise.

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Background: Lipoprotein(a) [Lp(a)] is a causal risk factor for atherosclerotic cardiovascular diseases; however, its role in acute coronary syndrome (ACS) remains unclear.

Aim: To investigate the hypothesis that the Lp(a) levels are altered by various conditions during the acute phase of ACS, resulting in subsequent cardiovascular events.

Methods: From September 2009 to May 2016, 377 patients with ACS who underwent emergent coronary angiography, and 249 who completed ≥ 1000 d of follow-up were enrolled.

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The Japan Diabetes Society (JDS) and the Japan Cancer Association (JCA) launched a joint committee and published their "First Joint Committee Report on Diabetes and Cancer" in 2013, compiling recommendations for physicians and healthcare providers as well as for the general population. In 2016, the "Second Joint Committee Report on Diabetes and Cancer" summarized the current evidence on glycemic control and cancer risk in patients with diabetes. The current "Third Joint Committee Report on Diabetes and Cancer", for which the joint committee also enlisted the assistance of the Japanese Society of Clinical Oncology (JSCO) and the Japanese Society of Medical Oncology (JSMO), reports on the results from the questionnaire survey, "Diabetes Management in Patients Receiving Cancer Therapy," which targeted oncologists responsible for cancer management and diabetologists in charge of glycemic control in cancer patients.

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Background: DNA methylation accumulates in non-malignant gastric mucosa after exposure to pathogens. To elucidate how environmental, methylation, and lifestyle factors interplay to influence primary gastric neoplasia (GN) risk, we analyzed longitudinally monitored cohorts in Japan and Singapore.

Methods: Asymptomatic subjects who underwent a gastric mucosal biopsy on the health check-up were enrolled.

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Article Synopsis
  • The Japan Diabetes Society and Japan Cancer Association established a joint committee in 2013 to publish recommendations on managing diabetes and cancer for healthcare providers and the general public.
  • In 2016, they released a second report that focused on the relationship between glycemic control and cancer risk in patients with diabetes.
  • The latest, third report involved a survey of oncologists and diabetologists, which revealed a shared agreement on the importance of guidelines for glycemic control in cancer therapy for diabetic patients.
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A 54-year-old woman with multiple sclerosis treated with interferon-β (IFN-β)-1b for 15 years presented with sustained hypertension (240/124 mmHg) and retinal bleeding. She had proteinuria, anemia, thrombocytopenia, elevated serum creatinine levels, and haptoglobin depletion. Intravenous nicardipine stabilized her blood pressure, but her renal function and platelet count deteriorated.

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Background: An increased focus on quality and patient safety has led to the evolution of hospitalists. The number of hospitalists covering ward and outpatient care is on the rise in Japan. However, it is unclear what roles hospital workers themselves consider important in their practice.

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Medical interviews are expected to undergo a major transformation through the use of artificial intelligence. However, artificial intelligence-based systems that support medical interviews are not yet widespread in Japan, and their usefulness is unclear. A randomized, controlled trial to determine the usefulness of a commercial medical interview support system using a question flow chart-type application based on a Bayesian model was conducted.

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Background And Aims: Proprotein convertase subtilisin/kexin type 9 (PCSK9) circulates as mature and furin-cleaved forms, but their biological functions are uncertain. We investigated whether their levels associate with prognosis in patients with acute ST elevation myocardial infarction (STEMI).

Methods: We enrolled 160 statin-naïve patients with acute STEMI and followed for 3 years.

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Vaccination is important for the prevention of coronavirus-induced disease 2019 (COVID-19) caused by SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) and to protect persons with a high risk for complications. There have been reports of myopericarditis following COVID-19 vaccination, especially in adolescent males and young adults. Breakthrough infections, such as the Delta or Omicron variant of SARS-CoV-2, have raised great concern about the necessity for repeated doses of the vaccine.

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Article Synopsis
  • The study investigates if the rise in syphilis cases in Japan is linked to new infections in people living with HIV (PLWH).
  • Data from the Japanese National Database between 2009-2018 showed overall syphilis cases increasing while syphilis among PLWH remained stable at about 2%.
  • The proportion of syphilis cases in PLWH decreased over time, indicating that the current syphilis resurgence in Japan is not due to this population's infections.
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  • This study investigates the relationship between Glyceraldehyde-derived advanced glycation end-products (Glycer-AGEs) and heart function in patients with heart failure and type 2 diabetes mellitus (DbCR).
  • It compares serum levels of Glycer-AGEs, nitrotyrosine (NT), and tumor necrosis factor alpha (TNFα) between patients with DbCR and a control group of patients with idiopathic dilated cardiomyopathy (DCM), finding significantly higher levels in the DbCR group.
  • The results suggest that elevated Glycer-AGEs and TNFα levels are closely linked to left ventricular ejection fraction (LVEF) and brain natri
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Recent studies have focused on hammering sound analysis during insertion of the cementless stem to decrease complications in total hip arthroplasty. However, the nature of the hammering sound is complex to analyse and varies widely owing to numerous possible variables. Therefore, we performed a preliminary feasibility study that aimed to clarify the accuracy of a prediction model using a machine learning algorithm to identify the final rasping hammering sound recorded during surgery.

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Article Synopsis
  • - Endothelial dysfunction, driven by oxidative stress, is linked to the development of vasospastic angina pectoris (VSAP), a condition affecting heart function.
  • - The study measured plasma levels of glutamate and cystine, finding that patients with VSAP had significantly higher levels of both compared to those without VSAP.
  • - There was a notable positive correlation between glutamate and cystine levels, while glutamate levels were negatively associated with the biological antioxidant potential, suggesting that higher glutamate may contribute to decreased antioxidant capacity in VSAP patients.
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Background: The prognosis of Philadelphia chromosome-negative myeloproliferative neoplasms is relatively favorable, but the quality of life can be severely affected by myeloproliferative neoplasm-related symptoms such as fatigue, pruritus, night sweats, bone pain, fever and weight loss. In this study, we administered hochuekkito, a traditional herbal medicine, to patients with myeloproliferative neoplasms and investigated whether there was a reduction in myeloproliferative neoplasm-related symptoms.

Methods: We conducted a randomized parallel-group pilot study.

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Purpose: To identify the current ambiguous status of general medicine (GM) and assess current problems and weaknesses for further development of GM.

Patients And Methods: This study adopted an observational design. GM practitioners were selected from the mailing lists of two primary professional associations for Japanese GM doctors.

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To report the status of switch rates and time-to-switch of antiretroviral therapy (ART) regimens by evaluating anchor drug classes and common switching patterns in Japanese people living with human immunodeficiency virus (HIV, PLWH). This cross-sectional cohort study extracted data of 28,089 PLWH from the National Database of Health Insurance Claims and Specific Health Checkups of Japan (NDB), which contains data representing the entire population of Japan. PLWH with first prescription records of ART administered between January 2011 and March 2019 were identified (n = 16,069).

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Objectives: Comorbidities are associated with a high burden of disease in people living with HIV (PLWH). The objective was to investigate the prevalence of chronic comorbidities and use of co-medications in PLWH in Japan.

Methods: This study retrospectively analysed clinical information from PLWH receiving antiretroviral therapy (ART) between April 2009 and March 2019.

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Article Synopsis
  • * Analysis of the National Database of Health Insurance Claims reveals that 42.5% of newly diagnosed HIV-positive patients also had a diagnosis of syphilis between 2011 and 2018.
  • * The findings indicate that many syphilis patients were not tested for HIV, and a notable number of HIV patients still contracted syphilis after their diagnosis, underlining the need for better education on STD testing for those newly diagnosed with HIV.
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This study aimed to analyze population flow using global positioning system (GPS) location data and evaluate influenza infection pathways by determining the relationship between population flow and the number of drugs sold at pharmacies. Neural collective graphical models (NCGMs; Iwata and Shimizu 2019) were applied for 25 cell areas, each measuring 10 × 10 km, in Osaka, Kyoto, Nara, and Hyogo prefectures to estimate population flow. An NCGM uses a neural network to incorporate the spatiotemporal dependency issue and reduce the estimated parameters.

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Arf-family small GTPases are essential protein components for membrane trafficking in all eukaryotic endomembrane systems, particularly during the formation of membrane-bound, coat protein complex-coated transport carriers. In addition to their roles in the transport carrier formation, a number of Arf-family GTPases have been reported to physically associate with coiled-coil tethering proteins and multisubunit tethering complexes, which are responsible for membrane tethering, a process of the initial contact between transport carriers and their target subcellular compartments. Nevertheless, whether and how indeed Arf GTPases are involved in the tethering process remain unclear.

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Background: Reflux esophagitis (RE) and absence of Helicobacter pylori (non-H. pylori) are considered to be associated with the progression to long-segment Barrett's esophagus (LSBE). However, it is difficult to assess this association because RE and H.

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Glucocorticoids (GCs) have long played a central role in the treatment of systemic lupus erythematosus (SLE), but these drugs have many adverse effects. We will determine whether rapid weekly GC tapering is non-inferior to conventional biweekly tapering in patients with severe SLE. This is a randomized, open-label, multicenter controlled trial.

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Pneumococcal vaccination has been shown to reduce occurrence of invasive pneumococcal diseases in elderly patients. In this study, we investigated the real-world efficacy of pneumococcal vaccination implemented in elderly individuals in Japan. We reviewed the in-patient database of Juntendo University Hospital and selected elderly patients (≥65 years-old) who had received in-patient care in the general medicine department during 2014-2018.

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