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Tokai Journal of Experimental and Clinical Medicine

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https://www.readbyqxmd.com/read/28413873/the-apparent-diffusion-coefficient-adc-as-a-potential-marker-of-inflammation-associated-with-body-abscesses
#1
Shuichi Kawada, Taro Takahara, Tamaki Ichikawa, Hiroshi Yamamuro, Yoshimi Nagata, Tsuyoshi Nagata, Takashi Aizawa, Thomas C Kwee, Kouichi Mori, Yutaka Imai
OBJECTIVE: To assess the feasibility of apparent diffusion coefficient analysis in evaluating the inflammatory severity of extracranial abscesses. METHODS: This retrospective study included 23 patients with solitary body abscesses (except those in the brain) who underwent 1.5-T diffusion-weighted magnetic resonance imaging (DWI) at b-values of 0 and 1000 s/mm(2). Three types of the Apparent Diffusion Coefficient (ADC) measurements of abscesses were performed: the mean ADC value in region of interest (ROI), volume of interest (VOI), and histogram analysis of the ADC distribution in the VOI...
April 20, 2017: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/28413872/favorable-effect-on-blood-volume-control-in-hemodialysis-patients-with-type-2-diabetes-after-switching-from-insulin-therapy-to-liraglutide-a-human-glucagon-like-peptide-1-analog-results-from-a-pilot-study-in-japan
#2
Masumi Kondo, Masao Toyoda, Moritsugu Kimura, Naoto Ishida, Masafumi Fukagawa
OBJECTIVE: Hemodialysis patients are advised to limit the intake of foods in order to control volume status and body weight (BW). We report the clinical course of five Japanese hemodialysis patients with type 2 diabetes mellitus (T2DM) who were switched from insulin to liraglutide, and the efficacy of the treatment, especially in terms of changes in interdialysis weight gain (IDWG). METHODS: This retrospective pilot study included 5 Japanese hemodialysis patients with T2DM...
April 20, 2017: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/28413871/comparison-of-the-gene-expression-profiles-of-human-hematopoietic-stem-cells-between-humans-and-a-humanized-xenograft-model
#3
COMPARATIVE STUDY
Hideyuki Matsuzawa, Hiromichi Matsushita, Takashi Yahata, Masayuki Tanaka, Kiyoshi Ando
The aim of this study is to evaluate the feasibility of NOD/Shi-scid-IL2Rγ(null)(NOG) mice transplanted with human CD34(+)/CD38(-)/Lin(-/low) hematopoietic cells from cord blood (CB) as an experimental model of the gene expression in human hematopoiesis. We compared the gene expressions of human CD34(+)/CD38(-)/Lin(-/low) cells from human bone marrow (BM) and in xenograft models. The microarray data revealed that 25 KEGG pathways were extracted from the comparison of human CD34(+)/CD38(-)/Lin(-/low) HSCs between CB and BM, and that 17 of them--which were mostly related to cellular survival, RNA metabolism and lymphoid development--were shared with the xenograft model...
April 20, 2017: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/28413870/performance-evaluation-of-a-newly-developed-and-fully-automated-bacteriological-analyzer-raisus-any-for-antimicrobial-susceptibility-testing-of-fastidious-bacteria-haemophilus-influenzae-and-streptococcus-pneumoniae
#4
COMPARATIVE STUDY
Toshio Ohshima, Saori Nomiya, Yukari Yamamoto, Miki Miyazawa, Jun Ohsuga, Akifumi Hisada, Kenji Iwawaki, Satomi Asai, Hayato Miyachi
OBJECTIVE: Antimicrobial susceptibility testing for fastidious bacteria, such as Haemophilus influenzae (H. influenzae) and Streptococcus pneumoniae (S. pneumoniae) has been performed manually. We evaluated the performance of a newly developed fully automated system for rapid bacterial identification and antimicrobial susceptibility testing "RAISUS ANY" (Nissui Pharmaceutical Co., Ltd.). METHODS: We evaluated the performance of "RAISUS ANY" for measurement of minimal inhibitory concentrations (MICs) of H...
April 20, 2017: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/28413869/salivary-duct-carcinoma-with-invasive-micropapillary-and-rhabdoid-feature-arising-in-the-submandibular-gland
#5
Mitsunobu Otsuru, Takayuki Aoki, Yusuke Kondo, Yoshihide Ota, Masashi Sasaki, Takatugu Suzuki, Go Ogura, Nobue Kumaki
Salivary duct carcinoma (SDC) is a high-grade malignant salivary gland tumor associated with poor prognosis, frequent recurrence, and metastasis. An 82-year-old man presented at the department of oral and maxillofacial surgery at Tokai University Hospital with a painless swelling in the right submandibular region that had been there for 20 years. On presentation, an elastic hard tumor, 50 × 50 mm in size, was observed in the submandibular region. Diagnostic imaging was performed, and a malignant tumor in the submandibular gland was suspected...
April 20, 2017: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/28413868/goniosynechialysis-and-repositioning-of-intraocular-lens-in-a-case-of-secondary-angle-closure-glaucoma
#6
Masaru Fujita, Masafumi Ogata, Yasuyuki Suzuki, Tsunetomo Ichihashi, Miyuki Nagahara, Kenji Kawai
PURPOSE: Implanting intraocular lens (IOL) in proper direction is important in cataract surgery to reduce the possibility of undesirable complications. We experienced a case who underwent vitrectomy combined with cataract surgery and developed secondary angle closure glaucoma caused by IOL misdirection. Goniosynechialysis (GSL) and repositioning of IOL successfully ameliorated the high intraocular pressure (IOP). CASE REPORT: A 64-year-old male with massive vitreous hemorrhage underwent vitrectomy combined with cataract surgery...
April 20, 2017: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/28413867/a-study-of-adjuvant-chemoradiotherapy-with-tri-weekly-cisplatin-for-postoperative-high-risk-oral-squamous-cell-carcinoma
#7
Mitsunobu Otsuru, Yoshihide Ota, Takayuki Aoki, Masashi Sasaki, Takatugu Suzuki, Yuya Denda, Miho Takahashi, Takeshi Akiba, Akihiro Kaneko
OBJECTIVE: The aim of this study was to assess the feasibility and safety profile of concurrent chemoradiotherapy with cisplatin in Japanese patients with postoperative high-risk oral cancer. METHODS: Patients with high-risk pathological features were selected from patients with oral squamous cell carcinoma who underwent surgery at the Department of Oral and Maxillofacial Surgery, Tokai University Hospital. Patients were given adjuvant chemoradiotherapy with tri-weekly cisplatin (100 mg/m(2)) (66 Gy/33 Fr), and the treatment completion rate was examined...
April 20, 2017: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/28413866/inositol-hexakisphosphate-kinase-2-is-a-presymptomatic-biomarker-for-amyotrophic-lateral-sclerosis
#8
Yusuke Moriya, Eiichiro Nagata, Natsuko Fujii, Tadayuki Satoh, Haruko Ogawa, Shinji Hadano, Shunya Takizawa
OBJECTIVE: Inositol hexakisphosphate kinase 2 (InsP6K2), an enzyme that converts inositol hexakisphosphate (InsP6) to diphosphoinositol pentakisphosphate (InsP7), induces cell death. InsP6K2 is abundant in the central nervous system, especially anterior horn cells of spinal cord. To identify the role of InsP6K2 in amyotrophic lateral sclerosis (ALS), we investigated the expression levels of InsP6K2 in transgenic mice expressing mutant superoxide dismutase-1 (SOD1) (mSOD1 Tg mice). METHODS: The specimens of spinal cords were obtained from mSOD1 Tg mice and age-matched wild-type mice...
April 20, 2017: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/28413865/protein-losing-enteropathy-caused-by-spontaneous-reduction-of-intussusception-with-meckel-s-diverticulum
#9
Eri Tei, Hitoshi Hirakawa, Masaharu Mori, Takeshi Hirabayashi, Shigeru Ueno
Protein-losing enteropathy (PLE) is a relatively rare condition. In this article, we report the case of a 6-year-old boy diagnosed with PLE who developed intussusception, in whom at operation Meckel's diverticulum was identified in his intestine. Spontaneous reduction of intussusception is thought to relate to the mechanism of PLE.
April 20, 2017: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/28413864/evaluation-of-intracranial-microvessel-visualization-in-mouse-and-dog-models-by-using-a-new-rotating-cerium-anode-x-ray-system
#10
Chiharu Tanaka, Toru Shizuma, Yoshiro Shinozaki, Kikue Todoroki, Yoshimori Ikeya, Naoto Fukuyama, Toshihiko Ueda, Hidezo Mori
OBJECTIVE: Lacunar stroke may be caused by infarction of small perforating branches of the middle cerebral artery. We developed a microangiographic X-ray system using a cerium anode to evaluate the perforating branches. METHODS: Iodine has K-edges at 33.2 kilo electron volts. Cerium yields a characteristic X-ray of 34.6 kilo electron volts, therefore, the cerium anode X-ray system could detect tiny amounts of contrast material. First, an X-ray chart was used to evaluate the resolution...
April 20, 2017: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/27988924/successful-eradication-therapy-for-helicobacter-pylori-positive-atrophic-gastritis-at-the-sixth-attempt-a-case-report
#11
Ryuzo Deguchi, Koichi Shiraishi, Yoshitaka Arase, Makiko Dekiden, Hideo Shimada, Hiroshi Miyakita, Takashi Ogimi, Kazunori Myojin, Tetsuya Mine
A 74-year-old woman undergoing outpatient follow-up for reflux esophagitis and atrophic gastritis tested positive for Helicobacter pylori and underwent primary eradication therapy with lansoprazole (LPZ) 30 mg, amoxicillin (AMPC) 750 mg, and clarithromycin (CAM) 200 mg twice daily for 1 week in August 2012. A urea breath test (UBT) after this treatment revealed that eradication had failed. Secondary eradication therapy was carried out with esomeprazole (EPZ) 20 mg, AMPC 750 mg, and metronidazole (MNZ) 250 mg twice daily for 1 week, but this also failed...
December 20, 2016: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/27988923/progressive-multifocal-micronodular-pneumocyte-hyperplasia-in-the-lungs-of-a-patient-with-tuberous-sclerosis-complex-a-case-report
#12
Tetsuya Urano, Naoki Hayama, Jun Tanaka, Yukihiro Horio, Masako Sato, Shigeaki Hattori, Genki Takahashi, Fuminari Takahashi, Tomoe Takeuchi, Kazuki Harada, Hiroto Takiguchi, Hiromi Tomomatsu, Katsuyoshi Tomomatsu, Takahisa Takihara, Kyoko Niimi, Tsuyoshi Oguma, Takuya Aoki, Go Ogura, Naoya Nakamura, Koichiro Asano
We report a case of multifocal micronodular pneumocyte hyperplasia (MMPH) in a patient with tuberous sclerosis complex, in whom the lung nodules increased in the number and size over the course of 8 years. We diagnosed MMPH following a lung biopsy performed during video-assisted thoracic surgery. In most of the previously reported cases, the number and size of lung nodules is unchanged during the clinical course. Our case is the first report of progressive disease in pathologically proven MMPH.
December 20, 2016: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/27988922/amoebiasis-presenting-as-acute-appendicitis
#13
Hitoshi Ichikawa, Jin Imai, Hajime Mizukami, Shuji Uda, Soichiro Yamamoto, Eiji Nomura, Takuma Tajiri, Norihito Watanabe, Hiroyasu Makuuchi
We report a case of amoebic appendicitis without colitis symptoms. Acute appendicitis is commonly encountered by gastroenterologists in their daily practice. The number of cases of amoebiasis increases annually in Japan, and is thought to be associated with an increase in sexually transmitted disease or travel to endemic areas. However, acute amoebic appendicitis is rare and the prognosis is very poor compared to nonamoebic appendicitis. In our case, appendectomy was performed immediately after onset, and the patient was discharged without complications...
December 20, 2016: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/27988921/serial-epithelial-lining-fluid-collection-using-bronchoscopic-microsampling-in-a-canine-lung-transplantation-model
#14
Kana Oiwa, Mitsutomo Kohno, Ryo Hashimoto, Tomoki Nakagawa, Ryota Masuda, Noboru Nishiumi, Kichizo Kaga, Masayuki Iwazaki
OBJECTIVES: As a less invasive alternative to bronchoalveolar lavage (BAL), bronchoscopic microsampling (BMS) was developed to identify molecules present in the epithelial lining fluid (ELF) of the distal airways. Here, we evaluated the utility of BMS for serial collection of ELF in a canine lung transplant model. METHODS: ELF was collected hourly by BMS up to 5 hours after reperfusion in a canine left lung transplant model. Tumor necrosis factor (TNF)-α levels in ELF were measured using an enzyme-linked immunosorbent assay and were compared with those in BAL fluid...
December 20, 2016: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/27988920/ip-10-is-elevated-in-virus-induced-acute-exacerbations-in-childhood-asthma
#15
Kazuo Suzuki, Masahiko Kato, Shinichi Matsuda, Mariko Nukaga, Mayumi Enseki, Hideyuki Tabata, Kota Hirai, Yoshiyuki Yamada, Kenichi Maruyama, Yasuhide Hayashi, Hiroyuki Mochizuki
OBJECTIVE: Viral infections and sensitization to aeroallergens are major factors in the exacerbation of asthma and its development during early childhood. However, the cytokine profiles and eosinophil activation status linked to the association between viral infections and sensitization to aeroallergens are incompletely understood. Here we investigated respiratory viruses, serum eosinophil cationic protein (ECP), and various cytokines/chemokines in acute exacerbation of childhood asthma...
December 20, 2016: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/27988919/diabetes-affects-length-of-stay-and-hospital-costs-for-elderly-patients-with-pneumonia-an-analysis-of-a-hospital-administrative-database
#16
Yusuke Kabeya, Akira Shimada, Nobuhiro Tsukada, Yoshihito Atsumi, Megumu Higaki
OBJECTIVE: The present study investigated the association of having diabetes with length of stay and hospital costs for elderly patients with pneumonia who were admitted to an acute-care hospital in Japan. METHODS: Based on the inpatient administrative claims database of an acute-care hospital in central Tokyo between 2010 and 2013, 753 patients aged ≥ 65 years who were admitted to the hospital presenting with pneumonia and discharged alive were analyzed. The association was analyzed using a negative binomial model, having adjusted for age, sex, body mass index, dyspnea grade, functional evaluation of feeding, use of mechanical ventilation, and use of renal replacement therapy...
December 20, 2016: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/27988918/scholastic-achievements-graduate-entry-vs-school-leaver-entry-medical-students
#17
COMPARATIVE STUDY
Tetsuya Urano, Munetaka Haida, Shunichiro Izumi, Yutaka Imai, Koichiro Asano, Tadashi Abe
OBJECTIVE: The objective of the present study is to conduct a retrospective analysis comparing graduate-entry program (GEP) and school-leaver-entry program (SEP) students from the perspective of scholastic achievements from admission through the national examination for medical practitioners. METHODS: The number of students who repeated one or more years, because of their poor results on examinations, the scores of graduation examinations, and the pass rates for the national examination for medical practitioners were compared, retrospectively, over the last 8 academic years between GEP and SEP students at Tokai University School of Medicine...
December 20, 2016: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/27988917/is-the-perfusion-index-useful-in-early-detection-of-high-spinal-subarachnoid-block-during-cesarean-section
#18
Kazuhide Takeyama, Yosuke Suzuki, Masanobu Yoshikawa, Toshiyasu Suzuki
OBJECTIVE: To investigate the usefulness of the perfusion index (PI) in the early detection of high spinal subarachnoid block (SAB) for cesarean section (CS). METHOD: SAB was applied in patients of CS. The patients was subdivided into two groups, according to the highest level of block: the Ce group (cervical spine level) and the Th group (thoracic spine level). The PI values in the finger and toe, and vital signs were measured at pre- and post-SAB in both groups together with SAB level...
December 20, 2016: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/27988916/experimental-study-of-intraparenchymal-fibrinogen-and-topical-thrombin-to-seal-pleural-defects
#19
Jun Yamamoto, Mitsutomo Kohno, Naoko Izawa, Toshinari Ema, Tai Hato, Ikuo Kamiyama, Takashi Ohtsuka, Masazumi Watanabe
OBJECTIVE: Fibrin sealants are used to close surgical pleural defects, but may detach, causing a postoperative air-leak. We investigated a new means of applying fibrin glue for closing pleural defects. METHODS: Pleural defects (10-mm and 4-mm diameters, respectively) were created in swine and rats via thoracotomy. They were sealed by a) injection of a fibrinogen solution into the lung parenchyma after instillation of a thrombin solution onto the pleural defect (group A), b) fibrinogen and thrombin spray (group B), c) fibrinogen instillation and a thrombin-dipped polyglycolic acid sheet (group C), or d) fibrin glue-coated collagen fleece (group D)...
December 20, 2016: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/27988915/airway-obstruction-caused-by-substernal-thyrotoxic-multinodular-goiter
#20
Haruihiro Sato, Ryota Masuda, Masayuki Iwazaki, Chie Inomoto, Sunao Shoji, Yoshiyuki Robert Osamura
BACKGROUND: Substernal thyrotoxic multinodular goiter (MNG) shows signs and symptoms as a result of compression of adjacent organs and thyrotoxicosis. However, acute airway obstruction is rarely caused by substernal thyrotoxic MNG. CASE REPORT: We have described a 56-year-old Japanese woman who demonstrated acute airway obstruction because of compression of the airway by substernal thyrotoxic MNG. She had been diagnosed with substernal thyrotoxic MNG 6 years back...
December 20, 2016: Tokai Journal of Experimental and Clinical Medicine
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