Publications by authors named "Takanori Yasu"

Article Synopsis
  • This study explored the progression of atherosclerosis in patients with type 2 diabetes using brachial-ankle pulse wave velocity (ba-PWV) and evaluated its relationship with body composition, muscle strength, and patient characteristics.
  • The research involved 109 participants averaging about 63 years old, focusing on various health metrics like BMI, blood pressure, and hemoglobin A1c levels, with significant findings indicating that systolic blood pressure, BMI, and disease duration were key factors influencing arterial stiffness.
  • The study concluded that a BMI of 26.28 kg/m² serves as a significant cut-off, where values above it are associated with an increased risk of atherosclerosis, reflecting the potential impact of the metabolic paradox
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Background Vascular endothelial dysfunction in type 2 diabetes mellitus (T2DM) patients causes atherosclerosis and microvascular damage. This study investigated the relationship between leg circumference and arterial stiffness in patients with T2DM compared to non-T2DM individuals. Methods Data from two studies were combined to form T2DM (T2DM group) and non-T2DM (N group) cohorts.

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  • - The case involves an 84-year-old woman who experienced flecainide toxicity after being treated for paroxysmal atrial fibrillation, indicated by elevated serum concentration levels and a change in heart rhythm upon hospital admission.
  • - After discontinuation of flecainide, her dangerous heart rhythm improved, highlighting the drug's excessive effects based on the calculated half-life.
  • - The measured half-life of flecainide was 56.8 hours, significantly longer than the advertised 11 hours, emphasizing the need for careful therapeutic drug monitoring in patients using antiarrhythmic medications.
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This study aimed to explore the impact of cardiac rehabilitation (CR) on in vivo and ex vivo microcirculation, exercise capacity, and oxidative stress in patients with cardiovascular disease (CVD). The study included patients with acute coronary syndrome (ACS; n = 45; age, 69.0 ± 14.

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Although left ventricular thrombi (LVTs) are closely related to the prognosis of patients with systolic dysfunction, anticoagulation therapy is not recommended for the primary prevention of LVTs in patients with sinus rhythm heart failure. We report a case of a patient with systolic dysfunction who developed a giant LVT in an extremely short period of time (one month) after an infection. The LVT led to acute limb ischemia, gangrene, and death.

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  • Remote cardiac rehabilitation (RCR) is a method designed for patients recovering from cardiovascular diseases, utilizing real-time monitoring and technology for safety and effectiveness.
  • A study in Japan involved 53 RCR patients exercising at home for 2-3 months, with real-time support, and compared their results to 103 patients who underwent traditional center-based rehabilitation.
  • The findings showed that RCR was just as safe and effective in improving exercise capacity as traditional methods, with no significant complications reported in the RCR group.
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  • * 160 patients with hypertension, kidney disease, or heart disease were divided into a treatment group, which used the device, and a control group, which did not.
  • * Results showed that the treatment group reduced their salt intake by an average of 1.9 g/day after using the device, while the control group saw no changes in their salt intake.
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Background Belt electrode skeletal muscle stimulation (B-SES) is an alternative exercise therapy for those with difficulty performing voluntary exercise. However, it is unknown whether oxygen uptake (VO) in B-SES is comparable to cardiopulmonary exercise test (CPX) as assessed by voluntary exercise. This study aimed to evaluate oxygen uptake (VO) and lactate (LA) production in incremental B-SES compared to ergometer CPX and to determine the relationship with ergometer CPX.

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Background Type 2 diabetes mellitus (T2DM) is associated with changes in skeletal muscle quantity and quality, such as increased ectopic fat. Cardiac rehabilitation (CR) aims to improve the exercise capacity and muscle strength. This study aimed to determine the relationship between qualitative changes in the skeletal muscles and exercise function in patients with and without diabetes mellitus.

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  • A 76-year-old woman with situs inversus and dextrocardia needed a pacemaker due to sick sinus syndrome.
  • Situs inversus with dextrocardia is a rare condition where internal organs are reversed, complicating medical procedures.
  • The team used 3D CT imaging to gather crucial anatomical information pre-surgery to ensure the safe placement of the cardiac device.
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Persistent high serum triglyceride (TG) and free fatty acid (FFA) levels, which are common in metabolic syndrome and type 2 diabetes, are risk factors for cardiovascular events because of exacerbated hemorheology. To explore the effects of pemafibrate, a selective peroxisome proliferator-activated receptor alpha modulator, on hemorheology, we performed a single-center, nonrandomized, controlled study in patients with type 2 diabetes (HbA1c 6-10%) or metabolic syndrome, with fasting TG levels of ≥ 150 mg/dL and a whole blood transit time of > 45 s on a microarray channel flow analyzer (MCFAN). Patients were divided into a study group, receiving 0.

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Chronic thromboembolic pulmonary hypertension (CTEPH) is a condition in which an organic thrombus remains in the pulmonary artery (PA) even after receiving anticoagulation therapy for more than 3 months and is complicated by pulmonary hypertension (PH), leading to right-sided heart failure and death. CTEPH is a progressive pulmonary vascular disease with a poor prognosis if left untreated. The standard treatment for CTEPH is pulmonary endarterectomy (PEA), which is usually performed only in specialized centers.

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  • The study investigated how long-term exercise impacts cardiovascular disease risk and overall mortality in patients with diabetic kidney disease over 24 months.
  • An intervention group of 67 participants received six months of exercise instruction, leading to significantly better health outcomes compared to a control group of the same size.
  • The results showed improved survival rates and higher levels of HDL-C (good cholesterol) in the intervention group, highlighting the benefits of aerobic and muscle-strengthening exercises.
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Although cardiovascular mortality in Japan is lower than in other industrialized countries, clinical outcomes in coronary artery disease (CAD) patients with type 2 diabetes mellitus (T2DM) remain poor despite multiple evidence-based drug therapies and interventions. We assumed that part of residual risk in these patients may be attributable to enhanced inflammation, which can be inhibited presumably by colchicine. However, dose-responsiveness of anti-inflammatory effect of colchicine has not been elucidated.

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Decreased physical activity and activities of daily living (ADL) in patients on hemodialysis (HD) are associated with a poor prognosis. Additionally, comorbid peripheral arterial disease is associated with further deterioration. We conducted a cross-sectional study of ADL difficulty and life-space assessment (LSA) in three groups of patients on hemodialysis according to their ankle-brachial index (ABI) values.

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The current status of cardiac rehabilitation (CR) after cardiac surgery and the introduction of early CR (E-CR) in Japan are not fully understood. In this study, the current status of E-CR and its efficacy were investigated by the Academic Committee of the Japanese Association of Cardiac Rehabilitation. We examined the rate of introduction of E-CR and its effects among 220,122 patients who underwent major cardiac and thoracic vascular surgery, as registered in the Diagnosis Procedure Combination (DPC) classification system, between April 2012 and March 2018.

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Hemodialysis patients with diabetic kidney disease (DKD) experience blood glucose fluctuations owing to insulin removal. We evaluated the effects of single and long-term application of neuromuscular electrical stimulation (NMES) during hemodialysis on glycemic control. This trial was conducted in two stages: Stage 1, following a crossover design and 4 week washout period, eleven outpatients with DKD either underwent a single bout of NMES for 30 min (NMES period) or rested (control period) after receiving nutritional support during hemodialysis; Stage 2, following a crossover design and 4 week washout period, each participant received the intervention for 12 weeks.

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Pulmonary arterial hypertension (PAH) is a disease in which stenosis or obstruction of the pulmonary arteries (PAs) causes an increase in PA pressure, leading to right-sided heart failure and death. Basic research has revealed a decrease in the levels of endogenous vasodilators, such as prostacyclin, and an increase in the levels of endogenous vasoconstrictors, such as endothelin, in patients with PAH, leading to the development of therapeutic agents. Currently, therapeutic agents for PAH target three pathways that are selective for PAs: the prostacyclin, endothelin, and nitric oxide pathways.

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