Publications by authors named "Nami Imai"

Article Synopsis
  • - The study examined the relationship between trunk-to-peripheral fat ratio, measured by dual-energy absorptiometry (DXA), and kidney function (estimated glomerular filtration rate or eGFR) in elderly Japanese men aged 65 and older.
  • - Results showed that higher trunk-to-peripheral fat ratios were linked to lower eGFR values, indicating worse kidney function, even after controlling for overall body fat and other factors.
  • - The findings suggest that central obesity, specifically a larger trunk fat distribution, negatively affects kidney function in older males, separate from overall body fat levels.
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Oxidation damages cells and muscles, and thus, causes injuries and fatigue, which negatively affect the conditioning of athletes. Thus, in this study, we aimed to investigate the effects of high-antioxidant fruits (kiwifruit) intake on oxidative stress level (d-ROMs) and antioxidant activity (BAP) in male middle- and long-distance runners routinely exposed to oxidative stress. This study was performed from May to July 2017 (Study 1) and October to December 2018 (Study 2).

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For the evaluation of iron nutrition status, the measurement of serum ferritin levels is the most convenient and widely used technique for estimating stored iron. However, the cut-off value of serum ferritin for iron deficiency in athletes has not yet established. This study aimed to determine the cut-off value of serum ferritin to define iron deficiency in male college student runners.

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Aim: We investigated the clinical characteristics and short-term outcomes in acute cholecystitis (AC) patients aged ≥80 years. We therefore sought to determine the ideal treatment for elderly patients with AC.

Methods: We retrospectively evaluated 253 patients with AC.

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A 61-year-old man was referred to the urology department in our hospital with gross hematuria and hydro nephrosis. Cystoscopy revealed a smooth mass lesion in his bladder, and a transurethral biopsy was performed. Signet ring cell carcinoma was found in the submucosa.

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Background: Although several investigators have reported that inflammation-based prognostic scores can predict disease severity in patients with various inflammatory diseases, whether or not these scores are associated with disease severity in patients with acute cholecystitis (AC) has not yet been fully clarified.

Patients And Methods: Two hundred and sixty-two patients with AC were reviewed retrospectively. We evaluated the correlations between demographic or clinical variables, including the neutrophil-to-lymphocyte ratio (NLR), the Glasgow Prognostic Score (GPS), the modified Glasgow Prognostic Score (mGPS), and the C-reactive protein/albumin (CRP/Alb) ratio, as well as the disease severity grade on the basis of the revised Tokyo guidelines.

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We report the first use of endoscopic submucosal dissection (ESD) for the treatment of a patient with adenoid cystic carcinoma of the esophagus (EACC). An 82-year-old woman visited our hospital for evaluation of an esophageal submucosal tumor. Endoscopic examination showed a submucosal tumor in the middle third of the esophagus.

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Article Synopsis
  • - A rare case of acute liver injury was reported in a 41-year-old man following treatment for internal hemorrhoids using a submucosal injection of aluminum potassium sulfate and tannic acid (ALTA) combined with lidocaine.
  • - The liver injury was identified as hepatocellular and cholestatic, but the exact mechanism behind the injury couldn't be determined; high levels of eosinophils and immunoglobulin E were noted, while a lymphocyte stimulation test returned negative results after 25 days.
  • - The patient's liver condition improved significantly after two weeks of fluid replacement therapy, highlighting the need for further analysis of similar cases in the future as this is the first reported severe liver disorder linked to ALTA treatment.
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A 76-year-old woman was referred to our hospital with anorexia. Computed tomography revealed a tumor lesion measuring 110mm in the liver at S4/5 with calcification and swelling of a paraaortic lymph node. The gallbladder was not visualized.

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C-reactive protein (CRP) is an acute phase reactant synthesized by hepatocytes that is regulated by pro-inflammatory cytokines, particulary interleukin-6 (IL-6). Over the last decade, CRP has been reported to be associated with a poor prognosis in patients with various types of cancer. Although the mechanisms by which the systemic inflammatory response reflected by an elevated serum CRP level influences survival in patients with cancer have not been fully elucidated, several possibilities involving the activation of IL-6, thereby elevating the CRP level, in cancer patients have been proposed.

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Aim: Considering the dramatic increase in average life expectancy during the 20th century throughout the world, the management of elderly patients with cancer has become a global issue. We herein investigated the clinical characteristics and outcomes of super-elderly hepatocellular carcinoma (HCC) patients over 80 years old not indicated for surgical resection.

Methods: We retrospectively evaluated 206 newly diagnosed HCC patients.

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Background: The C-reactive protein/albumin (CRP/Alb) ratio is associated with outcomes in septic patients. We investigated the prognostic value of the CRP/Alb ratio in patients with hepatocellular carcinoma (HCC).

Methods: We retrospectively evaluated 186 newly diagnosed HCC patients and investigated the correlations among the pretreatment CRP/Alb ratio, clinicopathological parameters, and overall survival (OS).

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Objectives: C-reactive protein (CRP) is a practical prognostic marker in patients with hepatocellular carcinoma (HCC). We investigated the prognostic value of adding the CRP level to other validated staging systems (Cancer Liver Italian Program, Japan Integrated Staging, Barcelona Clinic Liver Cancer classification system, Tokyo score and tumor node metastasis classification) in HCC patients.

Methods: One hundred and eighty-six newly diagnosed HCC patients were retrospectively evaluated.

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Objectives: Elevated plasma fibrinogen levels are associated with tumor progression and poor outcomes in cancer patients. We investigated the prognostic value of pretreatment plasma fibrinogen levels in patients with hepatocellular carcinoma (HCC).

Methods: One hundred and thirteen patients with newly diagnosed HCC were retrospectively evaluated.

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Background: Elevated Glasgow Prognostic Score (GPS) has been related to poor prognosis in patients with hepatocellular carcinoma (HCC) undergoing surgical resection or receiving sorafenib. The aim of this study was to investigate the prognostic value of GPS in patients with various stages of the disease and with different liver functional status.

Methods: One hundred and fifty patients with newly diagnosed HCC were prospectively evaluated.

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C-reactive protein (CRP) is known to be associated with poor prognosis in patients with various malignancies. We investigated the relationship between the pretreatment serum CRP level and survival in patients with hepatocellular carcinoma (HCC) in various stages of the disease. A cohort of 133 patients with newly diagnosed HCC was prospectively evaluated.

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Over the last 30 years in Japan, there has been a 10% increase in the number of people suffering from sick house syndrome due to toxic chemicals released from construction materials and wallpaper. This syndrome can develop into the more complex and disabling, chemical sensitivity syndrome, so preventing early exposure to toxins at home is critical in reducing the likelihood of health problems in the community. A qualitative study was undertaken using ethnographic methods to identify the psychosocial aggravating factors of sick house syndrome.

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We have investigated the effects of rhapontin on proliferation and DNA of human stomach cancer KATO III cells. Growth inhibition and induction of apoptosis by rhapontin were observed in the KATO III cells. Morphological change showing apoptotic bodies was observed in the KATO III cells treated with rhapontin.

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