Publications by authors named "Yasuoka R"

Article Synopsis
  • Electrical storms (E-storms), which are multiple life-threatening heart rhythm issues occurring in a short time, significantly worsen the outlook for patients with implanted heart devices like ICDs and CRT-Ds.
  • In a study involving 1,274 patients, those who experienced multiple E-storms had over a threefold increase in mortality risk compared to those without E-storms, while a single E-storm did not elevate mortality risk.
  • The analysis showed that patients with primary prevention devices had a slower increase in E-storm occurrences over time, but once an E-storm happened, their risk for further events became similar to those with secondary prevention devices.
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Background: Washing with water is not inferior to washing with soaps and detergents in children with atopic dermatitis (AD) in remission during the fall-winter seasons. We investigated whether this finding varies during summer based on the type of cleanser (soaps and detergents).

Methods: This evaluator-blinded, pragmatic, randomized, and non-inferiority study enrolled patients with AD whose eczema was controlled following regular steroid ointment application 2 days/week.

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Article Synopsis
  • The study investigates the relationship between atrial fibrillation (AF) and worsening renal function (WRF) by analyzing the estimated glomerular filtration rate (eGFR) data of 131 patients over a period of 1,000 days.
  • Results showed that 41.2% of patients developed WRF, often occurring within 100 days before or after the AF diagnosis, regardless of age or baseline eGFR.
  • A positive eGFR slope prior to AF onset was strongly associated with subsequent WRF, indicating a possible underlying kidney issue in these patients.
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Background: No previous study of Japanese children with ulcerative colitis (UC) has reported the risk factors for intolerance of 5-aminosalicylic acid (5-ASA). We aimed to identify risk factors for intolerance of oral 5-ASA preparations in pediatric UC.

Methods: Patients with childhood-onset UC who were seen at our hospital between November 2003 and March 2020 were investigated.

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The present study aimed to investigate the factors affecting the cardiac uptake of 18F-fluorodeoxyglucose (18F-FDG) during 18F-FDG positron emission tomography (PET) for new-onset rectal cancer and new-onset colon cancer (ascending, transverse, descending, sigmoid colon cancer) and to examine the association between the cardiac uptake of 18F-FDG and prognosis. The participants were diagnosed with new-onset rectal cancer and new-onset colon cancer (ascending, transverse, descending, sigmoid cancer) at the Iga City General Hospital (Iga, Japan) between January 1, 2013, and March 31, 2018, and underwent an 18F-FDG PET scan for pretreatment staging. The relationship between cardiac maximum standard uptake value (SUVmax), the presence/absence of distant metastasis and prognosis was examined.

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Article Synopsis
  • The Pediatric Rheumatology Association of Japan established the PRICUREv2 registry to continuously gather data on paediatric rheumatic diseases, addressing the limitations of previous one-off surveys.
  • The analysis of the registry data revealed trends similar to those found internationally, identifying differences in age of onset and diagnosis times for various conditions like juvenile idiopathic arthritis and systemic lupus erythematosus.
  • The PRICUREv2 database is anticipated to enhance ongoing research and understanding of paediatric rheumatic diseases in Japan by providing comprehensive epidemiological data.
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Background: There is a paucity of data on predictors of clinical history in oral food challenge (OFC) outcome for the initial diagnosis of food protein-induced enterocolitis syndrome (FPIES).

Objective: This study aimed to identify predictors for the diagnosis of FPIES.

Methods: The study included patients who underwent OFC to diagnose FPIES from 2010 to 2021.

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Granulocyte colony-stimulating factor(G-CSF)is useful for preventing febrile neutropenia induced by chemotherapy. Recently, some cases of aortitis have been reported following administration of G-CSF. Here, we present a case of aortitis induced by pegfilgrastim(peg-G)use during neoadjuvant chemotherapy for treating breast cancer.

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Background: The optimal positioning of eribulin treatment remains unclear. This study aimed to investigate the effectiveness of eribulin administration as first- and second-line chemotherapy in patients with endocrine-resistant advanced or metastatic breast cancer (AMBC) in the real-world clinical setting.

Methods: This multi-institutional prospective cohort study enrolled patients with triple-negative AMBC or estrogen receptor-positive AMBC refractory to at least one previous endocrine therapy.

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Background: Direct oral anticoagulants (DOACs) have been used to prevent cardiogenic embolism in patients with atrial fibrillation (AF). No evidence has been established for the follow-up renal function evaluation intervals. We hypothesized that a proposed follow-up interval of renal function can be estimated by patient's baseline characteristics including creatinine clearance (CCr).

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Background: Transesophageal echocardiography (TEE) is currently the gold standard technique for diagnosing left atrial appendage (LAA) thrombi. Cardiac computed tomography (CT) has been expected to become an alternative method to TEE; however, a reliable quantitative evaluation method has not been established.

Methods And Results: We enrolled 177 patients with persistent atrial fibrillation who underwent both cardiac CT and TEE before catheter ablation.

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Background: Skin rash often occurs upon oral administration of amoxicillin in children, due to non-immediate hypersensitivity. However, information on delayed hypersensitivity to amoxicillin is scarce. Moreover, the appropriate diagnostic method and actual diagnostic rate of delayed hypersensitivity to amoxicillin among Japanese children are unclear.

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Aims: The number of patients with both chronic obstructive pulmonary disease (COPD) and heart failure (HF) is increasing in Asia, and these conditions often coexist. We previously revealed a tendency of beta-blocker underuse among patients with HF with reduced ejection fraction (HFrEF) and COPD in Asian countries other than Japan. Here, we evaluated the impact of cardio-selective beta-blocker use on the long-term outcomes of patients with HF and COPD.

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Background: Implantable cardioverter-defibrillator and cardiac resynchronization therapy using a defibrillator (ICD/CRT-D) are established means of reducing mortality due to ventricular arrhythmia. Although atrial fibrillation/flutter (AF) is the most common cardiac arrhythmia in patients with heart disease, the impact of AF on the prognosis of patients with ICD/CRT-D remains controversial.

Methods And Results: We analyzed data from the Nippon Storm Study, a prospective observational study of 1570 patients that was conducted at 48 Japanese ICD centers.

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Background: Patients with implantable cardioverter defibrillator (ICD) use for primary prevention (primary prevention patients) of sudden cardiac death have lower incidence of appropriate ICD therapy (app-Tx) compared with those with ICD use for secondary prevention (secondary prevention patients). However, detail analysis of a second app-Tx after a first app-Tx is still lacking.

Objective: This study aimed to compare the incidence of a second app-Tx in primary vs secondary prevention patients.

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Objective: To investigate the clinical significance of serum IL-18 levels for the diagnosis of systemic JIA (s-JIA) and to predict the disease course of s-JIA.

Methods: Overall, 116 patients with s-JIA, 151 with other diseases and 20 healthy controls were analysed. Serum IL-18 levels were measured longitudinally in 41 patients with s-JIA from active phase through remission phase.

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Background: There is a paucity of data comparing the long-term outcomes after inferior vena cava (IVC) filters placement for patients with acute venous thromboembolism (VTE) between those with and without active cancer.

Methods: In the COMMAND VTE Registry, we evaluated the effects of IVC filter use on the long-term clinical outcomes stratified by the presence and absence of active cancer.

Results: Among 2,626 patients with acute symptomatic VTE, there were 604 patients with active cancer, and 2022 patients without active cancer.

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Catheter ablation (CA) targeting premature ventricular contraction (PVC) from Purkinje fibers can be an effective therapy for refractory ventricular fibrillation (VF) after myocardial infarction (MI). We experienced two cases in which catheter ablation targeting PVC initiating VF after percutaneous coronary intervention (PCI) in post-MI patients was effective despite transient early recurrences of VF. The first patient (a 68-year-old woman with MI) developed drug-refractory VF 3 days after PCI to the left anterior descending artery (LAD) and left circumflex artery.

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Background: Ventricular fibrillation (VF) storm after myocardial infarction (MI) is a life-threatening condition that necessitates multiple defibrillations. Catheter ablation is a potentially effective treatment strategy for VF storm refractory to optimal medical treatment. However, its impact on patient survival has not been verified in a large population.

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Background/objectives: Palmar hyperlinearity is a typical clinical feature of Filaggrin gene (FLG) null mutations. There are reports of FLG mutations and allergic sensitization; however, reports on the relationship between palmar hyperlinearity to sensitization are limited. This study aimed to examine the association between palmar hyperlinearity and sensitization in atopic dermatitis (AD) children.

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A 58-year-old man was followed up for esophageal submucosal tumor at our hospital. Esophagogastroduodenoscopy showed the tumor was located on the left side of the thoracic esophagus and had gradually increased in size. Endoscopic ultrasonography revealed an 18×11.

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This study aimed to determine the association between the dosage and pharmacokinetics of mycophenolate mofetil (MMF) in juvenile patients with autoimmune diseases. Totally, 29 patients were administered oral MMF. The blood concentrations of mycophenolate acid (MPA) at seven points, the area under the time-concentration curve (MPA-AUC), the peak concentration (), and the time to peak concentration () were measured.

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This study investigated the association between myositis-specific autoantibodies (MSAs) and clinical subsets of juvenile dermatomyositis (JDM) in Japanese patients. Twenty-one patients at a single center who developed initial or relapsed JDM from 2011 to 2016 were analyzed. Serum concentrations of MSAs against TIF1-γ, MDA5, NXP2, Mi-2, ARS, and SAE were measured by enzyme-linked immunosorbent assays.

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Objectives: The objective of this study is to identify risk factors for hypersensitivity reaction (HSR) to tocilizumab (TCZ) in systemic juvenile idiopathic arthritis (sJIA).

Methods: Clinical records of 40 patients with sJIA administered TCZ at one center were retrospectively reviewed. Patients were divided into HSR or non-HSR groups depending on the presence of HSR between the first and third TCZ administrations; clinical and laboratory assessments, including serum cytokine profile, were compared.

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