Publications by authors named "Tanahashi Y"

Metabolic surgery, including laparoscopic sleeve gastrectomy (LSG), may improve hypertension (HTN) complicated by severe obesity; however, insufficient deliberation exists regarding the therapeutic effect of post-metabolic surgery on HTN. This study aimed to analyze the factors correlated with HTN remission and recurrence post-LSG in patients who have severe obesity, and to create a classification system to predict HTN remission and recurrence. Of the 102 patients who underwent LSG at Iwate Medical University Hospital between 2008 and 2020, 62 were enrolled in this study.

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  • * A study involving ten patients examined the drug's efficacy over six months, finding a significant reduction in HbA1c levels from 8.1% to 6.9%, indicating improved blood sugar control.
  • * The study also noted no negative impact on kidney function and some improvement in liver conditions, suggesting overall health benefits; however, more research is needed to assess its long-term effects.
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Aim: To investigate the relationship between the developmental quotient (DQ) at age 3 years and the need for educational support at school age in extremely preterm infants.

Methods: A total of 176 infants with a gestational age of <28 weeks were analyzed. The total DQ and subscales were evaluated using the Kyoto Scale of Psychological Development (KSPD) test.

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  • The study aimed to evaluate the effectiveness of deep learning reconstruction (DLR) on the quality of computed tomography hepatic arteriography (CTHA) images taken during transcatheter arterial chemoembolization (TACE).
  • Twenty-seven patients were analyzed using three different reconstruction algorithms: hybrid-iterative reconstruction (hybrid-IR), DLR with mild strength (DLR-M), and DLR with strong strength (DLR-S).
  • Results showed that DLR-S provided significantly better image quality, with higher signal-to-noise ratios and superior sharpness for vascular structures and tumors compared to the other algorithms, although feeder artery detection rates were similar across all methods.
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Background: Serum ketone bodies increase due to dynamic changes in the lipid metabolisms of patients undergoing bariatric surgery. However, there have been few studies on the role of ketone bodies after bariatric surgery. We aimed to clarify the role of and relationship between the changes in serum ketone bodies and weight loss, as well as between those changes and the metabolic effects after laparoscopic sleeve gastrectomy (LSG).

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Farnesoid X receptor (FXR) regulates bile acid synthesis, lipid metabolism, and glucose homeostasis in metabolic organs. FXR-knockout (FXR-KO) mice lacking the last exon of the FXR gene develop normally and display no prenatal and early postnatal lethality, whereas human patients with mutations in the DNA-binding domain of the FXR gene develop severe hepatic dysfunction. In this study, we generated novel FXR-KO mice lacking the DNA-binding domain of the FXR gene using CRISPR-Cas9 technology and evaluated their phenotypes.

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Background: Long tubular duplication is a rare congenital intestinal disease, that can lead to emergency situations marked by massive hemorrhage. However, preoperative diagnosis and surgical treatment are challenging. This report presents preoperative images and details a surgical procedure for long tubular intestinal duplications with massive hemorrhage.

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Aim: Surgical site infection (SSI) is one of the most common postoperative complications in gastrointestinal surgery. To clarify the superiority of 1.5% olanexidine, we conducted a randomized prospective clinical trial that enrolled patients undergoing gastrointestinal surgery with operative wound classes II-IV.

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Introduction: Although the treatment success of long-term growth hormone therapy (GHT) is dependent on maintaining patients' adherence to treatment, marked variations in adherence levels among children with GHT (eg, 7-71% nonadherence) have been reported. Barriers to or promoters of GHT adherence have been discussed and investigated, and digital health technologies, such as electronic GH injection devices, may have the potential to assess adherence to GHT more accurately. Thus, we conducted a multicenter, retrospective cohort study using GH injection log analysis of an electronic GH device, GROWJECTORL, to qualify adherence and explore the factors influencing adherence.

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Background/aim: Maxillary sinus cancer is a relatively rare disease, and treatment is still evolving. We compared the efficacy of superselective intra-arterial infusion of high-dose cisplatin (CDDP) with concomitant radiotherapy (RADPLAT) using three-dimensional conformal radiotherapy (3DCRT) or intensity-modulated radiotherapy (IMRT) and analyzed the relationship between the total radiation dose and the treatment outcome in localized maxillary sinus cancer.

Patients And Methods: We reviewed the cases of 58 patients with localized maxillary sinus cancer treated with RADPLAT at our institution from March 2004 to November 2020.

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Transient receptor potential melastatin 4 (TRPM4) cation channels are expressed in prostate glands. However, the precise role of these channels in prostate contractility remains unclear. In this study, we examined whether TRPM4 channels were involved in adrenergic contractions in the mouse prostate gland.

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A unique transformation of WO nanowires (NW-WO) into hexagonal prisms (HP-WO) was demonstrated by tuning the temperature of the (NH)WO precursor suspension prepared from tungstic acid and hydrazine as a structure-directing agent. The precursor preparation at 20 °C followed by calcination at 550 °C produced NW-WO nanocrystals ( <100 nm width, 3-5 μm length) with anisotropic growth of monoclinic WO crystals to (002) and (200) planes and a polycrystalline character with randomly oriented crystallites in the lateral face of nanowires. The precursor preparation at 45 °C followed by calcination at 550 °C produced HP-WO nanocrystals ( 500-1000 nm diameter) with preferentially exposed (002) and (020) facets on the top-flat and side-rectangle surfaces, respectively, of hexagonal prismatic WO nanocrystals with a single-crystalline character.

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Purpose: Cerebral fat embolism (CFE) is a rare syndrome caused by the embolization of fat particles into the brain circulation. This prospective single-center observational study investigated the incidence of CFE in long-bone or pelvic fractures based on magnetic resonance imaging (MRI) findings. The purpose of this study was to investigate the incidence of CFE by MRI findings with or without symptoms suggestive of CFE.

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Objectives: To evaluate the feasibility and image quality of intranodal dynamic contrast-enhanced CT lymphangiography (DCCTL) and dynamic contrast-enhanced MR lymphangiography (DCMRL) in microminipigs.

Methods: Our institution's committee for animal research and welfare provided approval. Three microminipigs underwent DCCTL and DCMRL after inguinal lymph node injection of 0.

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  • Tc-pyrophosphate myocardial scintigraphy (Tc-PYP) can help diagnose transthyretin cardiac amyloidosis (ATTR-CA), but false positives can arise from tracer buildup in the blood.
  • A study analyzed 164 patients using Tc-PYP imaging and found that the heart-to-mediastinum (H/M) ratio effectively distinguishes ATTR-CA from non-ATTR-CA cases.
  • The H/M ratio greater than 1.41 demonstrated excellent diagnostic accuracy with 100% sensitivity, suggesting it could serve as a reliable new indicator for ATTR-CA diagnosis.
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Purpose: The complex and elaborate structure of the urinary system presents surgeons with difficulty in using a ureteroscope with a fixed optical fiber to reach the targeted calculus. To address this challenge, a robotic device is required to control the direction of laser irradiation position independently in ureteroscopes.

Method: A continuum robotic device was designed and fabricated.

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Bleeding is a fatal complication after pancreatectomy. Although coil embolization is a widely accepted treatment option, ischemia of the remaining organs should be prevented. This study reports the successful treatment of intra-abdominal hemorrhage following distal pancreatectomy with en bloc celiac axis resection (DP-CAR) using balloon-assisted coil embolization (BACE).

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Purpose: Anatomic isolated liver segmentectomy 8 (ILSeg8) for malignancies remains technically challenging. The feasibility, safety, and oncologic validity of laparoscopic ILSeg8 are undefined, and thus were evaluated in comparison with the open approach.

Methods: This study enrolled 35 open and 29 laparoscopic ILSeg8 cases of hepatocellular carcinoma (n = 47), metastatic liver tumors (n = 16), and intrahepatic cholangiocarcinoma (n = 1) at our institution.

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  • * A case study details a 7-year-old boy with type 1B diabetes who was diagnosed with WS before he showed visual impairment, highlighting the importance of timely diagnosis.
  • * Early ophthalmologic screening revealed signs of optic nerve issues and genetic testing confirmed the condition, emphasizing that such screenings can improve diagnosis and treatment outcomes for WS in diabetes patients.
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Nitration of benzene is a representative aromatic substitution reaction related to the σ-complex (arenium ion or "Wheland" intermediate) concept. This reaction is typically carried out in a mixed acid solution to generate nitronium ions, and how solvent molecules play roles in the reaction has been of great interest. Here we will shed new light on the reaction, namely the electronic structure and the microscopic insights of the solvation, which have been rarely discussed so far.

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Dysfunctional missense variant of (/), rs117371763 (c.1129C>T; p.R377C), is associated with a lower susceptibility to gout.

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Background/aim: The aim of this study was to investigate the outcomes of atezolizumab plus bevacizumab in patients with advanced hepatocellular carcinoma (HCC), including those with disease refractory to lenvatinib, in clinical practice.

Patients And Methods: Of 34 patients treated with atezolizumab plus bevacizumab, a total of 23, including 16 with lenvatinib failure, were enrolled in this retrospective study. The adverse events, changes in liver function and antitumor responses at 6 weeks after starting therapy were evaluated.

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Objectives: During temporary abdominal closure (TAC) with damage control laparotomy (DCL), infusion volume and negative-pressure wound therapy (NPWT) output volume are associated with the success and prognosis of primary fascial closure. The same may also hold true for anastomosis. The aim of this research is to evaluate whether the difference between early anastomosis and delayed anastomosis in DCL is related to infusion volume and NPWT output volume.

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Purpose: To define the radiological arterial anatomy in mature microminipigs as a pre-clinical research animal model in interventional radiology.

Materials And Methods: Five female microminipigs (weighing 20.9 ± 2.

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