Publications by authors named "Kurahashi K"

Background: In Japan, the escalating demand for anesthesia services has resulted in a shortage of anesthesiologists, presenting a societal challenge. Urgent measures involve the imperative task shifting to nurses. The perspectives of anesthesiologists on perianesthesia nurses (PANs) and the PAN system significantly influence the collaboration between anesthesiologists and PANs.

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  • Hyperglycemia and hypertension are known risk factors for kidney glomerular injury in type 2 diabetes, but factors for kidney tubular injury are less understood.
  • In a study of 1243 subjects, researchers identified four groups based on urinary biomarkers and found different risk factors for glomerular and tubular injuries.
  • Key findings indicate that while hypertension contributes to glomerular injury, the Fibrosis-4 index is specifically linked to tubular injury, suggesting liver fibrosis is a concern for tubular health in these patients.
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Since diabetes and its complications have been thought to exaggerate cardiorenal disease, resulting in a short lifespan, we investigated causes of death and lifespans in individuals with and without diabetes at a Japanese community general hospital during the period from 2011 to 2020. Causes of death and age of death in individuals with and those without diabetes were compared, and associations between medications used and age of death were statistically analyzed. A total of 2326 deaths were recorded during the 10-year period.

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Oral anticoagulants for atrial fibrillation are the standard approach to prevent stroke in patients with atrial fibrillation. However, oral anticoagulant therapy carries the risk of cerebral infarction recurrence, not to mention hemorrhagic complications, even under appropriate drug therapy. Surgical treatments targeting the left atrial appendage include left atrial appendage closure( LAAO) and left atrial appendage resection (LAAR).

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Background: The clinical implications of acute phase thrombosis after surgical left atrial appendage (LAA) closure remain unclear. This study sought to determine the frequency, prognosis, and factors involved in thrombogenesis after surgical LAA occlusion.

Methods: In this study, data from patients who underwent 2 types of standalone surgical LAA closure (either resection or clipping) between July 2014 and March 2020 at a single center were analyzed.

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  • Hyperthermia, a treatment that involves raising body temperature, shows promise when combined with carfilzomib for treating multiple myeloma (MM), which currently has no cure.
  • The study found that mild hyperthermia at 43℃ could lead to the death of MM cells over time and enhance the effectiveness of carfilzomib, especially in cells that usually resist this drug.
  • The combination works by reducing certain protective proteins in MM cells and preventing the recovery of a key enzyme after carfilzomib treatment, indicating a potential new strategy for tackling drug-resistant forms of this cancer.
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Resistance to proteasome inhibitors (PIs) has emerged as an important clinical issue. We investigated the mechanisms underlying multiple myeloma (MM) cell resistance to PIs. To mimic their pharmacokinetic/pharmacodynamic (PK/PD) profiles, MM cells were treated with bortezomib and carfilzomib for 1 h at concentrations up to 400 and 1,000 nM, respectively.

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Purpose: Various basic and clinical studies have investigated the association between the types of anesthetic agents and prognosis. However, the results have varied among studies and remain controversial. In the present study, we aimed to investigate whether the risk of all-cause mortality differs between inhaled or intravenous anesthetics in patients with gastric cancer undergoing gastrectomy.

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Purpose: Changes in systemic circulatory dynamics and choroidal thickness are poorly understood. This study aimed to investigate the time course of changes in choroidal morphology during normal menstrual cycles in healthy women using enhanced depth imaging optical coherence tomography (EDI-OCT).

Materials And Methods: This prospective study included 15 left eyes of 15 healthy Japanese women (mean age, 20.

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It has previously been unclear whether the accumulation of advanced glycation end products, which can be measured using skin autofluorescence (SAF), has a significant role in diabetic kidney disease (DKD), including glomerular injury and tubular injury. This study was therefore carried out to determine whether SAF correlates with the progression of DKD in people with type 2 diabetes (T2D). In 350 Japanese people with T2D, SAF values were measured using an AGE Reader, and both urine albumin-to-creatinine ratio (uACR), as a biomarker of glomerular injury, and urine liver-type fatty acid-binding protein (uLFABP)-to-creatinine ratio (uL-FABPCR), as a biomarker of tubular injury, were estimated as indices of the severity of DKD.

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Dehydroepiandrosterone sulfate (DHEAS) is thought to be associated with life expectancy and anti-aging. Although skeletal muscle disorders are often found in diabetic people, the clinical significance of DHEAS in skeletal muscle remains unclear. Therefore, we aimed to determine whether DHEAS is associated with the development of skeletal muscle disorders in individuals with type 2 diabetes (T2D).

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Adult T-cell leukaemia/lymphoma (ATL) remains incurable. The NF-κB and interferon regulatory factor 4 (IRF4) signalling pathways are among the critical survival pathways for the progression of ATL. TGF-β-activated kinase 1 (TAK1), an IκB kinase-activating kinase, triggers the activation of NF-κB.

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Objective: The present study evaluated the differences between left atrial appendage occlusion (LAAO) and left atrial appendage resection (LAAR) in terms of the safety and efficacy.

Materials And Methods: From January 2018 to August 2022, 94 patients underwent a stand-alone LAAO, and 90 patients underwent stand-alone LAAR in our institution. All of these patients were included in this study.

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Background: Indwelling bladder catheters are routinely used in clinical practice. Patients may experience postoperative indwelling catheter-related bladder discomfort (CRBD). This study aimed to perform a literature review to identify predictors of postoperative CRBD.

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Aims: It is known that there are sex differences in vascular endothelial function and the development of chronic kidney diseases; however, it remains unclear whether sex differences influence the association between vascular endothelial function and renal prognosis.

Methods: To clarify the relationship between vascular endothelial function and longitudinal eGFR changes in male and female patients with cardiovascular risk factors, we retrospectively evaluated 341 patients (176 males and 165 females) with cardiovascular risk factors in whom vascular function was assessed by flow-mediated dilation (FMD) and brachial-ankle pulse wave velocity (baPWV) and in whom 24-month longitudinal eGFR values were recorded after the vascular function examinations. Associations of values of FMD and baPWV with values of eGFR slope were statistically analyzed.

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Background: Anemia is one of the common complications of diabetes and is associated with mortality. Phase angle (PhA), ratio of extracellular water to total body water (ECW/TBW) and skeletal muscle mass index (SMI) estimated by bioelectrical impedance analysis (BIA) have been used as prognostic indicators for various chronic diseases and frailty. We aimed to clarify the clinical significance of PhA, ECW/TBW and SMI for anemia in patients with diabetes.

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Background: SARS-CoV-2 infection has many manifestations, including otolaryngological symptoms.

Case Presentation: A 60-year-old man with severe dyspnea underwent endotracheal intubation followed by 68 h of mechanical ventilation. After extubation, he left the ICU without any significant complications.

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Objective : To examine diagnostic performance of corticotropin-releasing hormone (CRH) test combined with baseline dehydroepiandrosterone sulfate (DHEA-S) in patients with a suspect of central adrenal insufficiency. Methods : Patients (n=215) requiring daily or intermittent hydrocortisone replacement, or no replacement were retrospectively checked with their peak cortisol after CRH test and baseline DHEA-S. Results :  None of 106 patients with the peak cortisol ≥ 17.

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Aims: Thrombin exerts various pathophysiological functions by activating protease-activated receptors (PARs), and thrombin-induced activation of PARs promotes the development of non-alcoholic fatty liver disease (NAFLD). Since heparin cofactor II (HCII) specifically inactivates thrombin action, we hypothesized that plasma HCII activity correlates with the severity of NAFLD.

Methods: A cross-sectional study was conducted.

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BACKGROUND Solitary fibrous tumors (SFT), rare soft-tissue neoplasms, are usually found in the thoracic cavity, and a uterine origin is extremely rare. SFTs with insulin-like growth factor-II (IGF-II) production induce non-islet cell tumor-induced hypoglycemia (NICTH), referred to as Doege-Potter syndrome. CASE REPORT A 70-year-old woman presented with urinary retention, and imaging revealed a huge mass occupying almost the entire pelvic space.

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The conformation and structure of methyl cellulose (MC) ether samples dissolved in pure water under dilute conditions were carefully reconsidered based on the results obtained using small-to-wide-angle neutron scattering (S-WANS), static light scattering (SLS), dynamic light scattering (DLS), and viscometric techniques. The examined MC samples possessed an average degree of substitution by methyl groups per glucose unit of ca 1.8 and weight average molar masses ( ), ranging from 23 to 790 kg mol.

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Background: The optimal repair technique for type A acute aortic dissection is graft replacement; however, the treatment approach in high-risk patients remains controversial or suboptimal.

Methods: We have retrospectively analyzed a cohort of high-risk patients who were admitted to our center for type A acute aortic dissection and who were treated by a new surgical approach using artificial grafts (stepwise external wrapping) between January 2016 and January 2020. The primary endpoints included inhospital mortality and survival during follow-up.

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  • Researchers have previously used methods like digital droplet PCR and next-generation sequencing to measure pancreatic β-cell injury through unmethylation of the insulin gene, but these approaches have drawbacks such as needing specialized equipment and dealing with background noise.
  • A new technique was developed using two-step amplification refractory mutation system PCR to detect unmethylated insulin gene CpG sites in both type 1 diabetes patients and healthy individuals.
  • This new method demonstrated the ability to detect low levels of unmethylated insulin DNA effectively and showed an inverse relationship between DNA copy number and disease duration in patients, suggesting it could help monitor β-cell dynamics in conditions like type 1 diabetes.
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Postoperative sore throat can occur as a complication in patients who have undergone surgery under general anesthesia. The incidence of postoperative sore throat ranges from 12.1% to 70%, and its effects include damage to the epithelium and mucosal cells caused by airway securement, damage to the vocal cords, congestion, blood clots, and factors such as an inappropriately large tube, cuff shape, cuff pressure, and airway securement.

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Background: Type B aortic dissection (TBAD) is treated with thoracic endovascular aortic repair (TEVAR). However, the optimal timing of the surgical intervention remains unclear. We aimed to investigate whether the timing of TEVAR impacts aortic remodeling.

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