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Saito yutaka

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https://www.readbyqxmd.com/read/28943509/argyria-due-to-embedded-acupuncture-needles-and-their-transcaval-migration-into-the-right-ventricle-without-serious-complications
#1
Takashi Sakai, Nanako Yamada, Osamu Yamamoto, Tomoko Saito-Shono, Tomoko Yamate, Kazushi Ishikawa, Mizuki Goto, Yutaka Hatano, Norio Hongo, Takamoto Kodera, Sakuhei Fujiwara
No abstract text is available yet for this article.
September 23, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28942690/colorectal-endoscopic-submucosal-dissection-esd-in-the-west-when-can-satisfactory-results-be-obtained-a-single-operator-learning-curve-analysis
#2
Michał Spychalski, Aleksander Skulimowski, Adam Dziki, Yutaka Saito
OBJECTIVES: Up to date we lack a detailed description of the colorectal endoscopic submucosal dissection (ESD) learning curve, that would represent the experience of the Western center. The aim of this study was to define the critical points of the learning curve and to draw up lesions qualification guidelines tailored to the endoscopists experience. MATERIALS AND METHODS: We have carried out a single center prospective study. Between June 2013 and December 2016, 228 primary colorectal lesions were managed by ESD procedure...
September 25, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28935572/macrophage-infiltration-is-a-causative-factor-for-ligamentum-flavum-hypertrophy-through-the-activation-of-collagen-production-in-fibroblasts
#3
Takeyuki Saito, Masamitsu Hara, Hiromi Kumamaru, Kazu Kobayakawa, Kazuya Yokota, Ken Kijima, Shingo Yoshizaki, Katsumi Harimaya, Yoshihiro Matsumoto, Kenichi Kawaguchi, Mitsumasa Hayashida, Yutaka Inagaki, Keiichiro Shiba, Yasuharu Nakashima, Seiji Okada
Ligamentum flavum (LF) hypertrophy causes lumbar spinal canal stenosis, leading to leg pain and disability in activities of daily living in elderly individuals. Although there have been previous studies on LF hypertrophy, its pathomechanisms have not been fully elucidated. In this study, we demonstrated that infiltrating macrophages were a causative factor for LF hypertrophy. Induction of macrophages into the mouse LF by applying a micro-injury resulted in LF hypertrophy along with collagen accumulation and fibroblasts proliferation at the injured site, which were very similar to the characteristics observed in the severely hypertrophied LF of human...
September 18, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28924592/tumor-location-is-a-risk-factor-for-lymph-node-metastasis-in-superficial-barrett-s-adenocarcinoma
#4
Masayoshi Yamada, Ichiro Oda, Hirohito Tanaka, Seiichiro Abe, Satoru Nonaka, Haruhisa Suzuki, Shigetaka Yoshinaga, Aya Kuchiba, Kazuo Koyanagi, Hiroyasu Igaki, Hirokazu Taniguchi, Shigeki Sekine, Yutaka Saito, Yuji Tachimori
BACKGROUND AND STUDY AIMS : Endoscopic treatment is indicated for superficial Barrett's adenocarcinoma (BA) with a negligible risk of lymph node metastasis (LNM). However, risk factors associated with LNM in superficial BA are still not well characterized. The aim of the current study was to clarify risk factors for LNM of superficial BA. PATIENTS AND METHODS : A retrospective study was conducted in 87 consecutive patients with BA that was resected at National Cancer Center Hospital, Tokyo, Japan between 1990 and 2013...
September 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28924587/colorectal-endoscopic-submucosal-dissection-predictors-and-neoplasm-related-gradients-of-difficulty
#5
Federico Iacopini, Yutaka Saito, Antonino Bella, Takuji Gotoda, Patrizia Rigato, Walter Elisei, Fabrizio Montagnese, Giampaolo Iacopini, Guido Costamagna
BACKGROUND AND STUDY AIM:  The role of colorectal endoscopic submucosal dissection (ESD) is standardized in Japan and East Asia, but technical difficulties hinder its diffusion. The aim was to identify predictors of difficulty for each neoplasm type. METHODS:  A competent operator performed all procedures. ESD difficulty was defined as: en bloc with a slow speed (< 0.07 cm (2) /min; 30 × 30 mm neoplasm in > 90 min), conversion to endoscopic mucosal resection, or resection abandonment...
September 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28920420/metachronous-gastric-cancer-following-curative-endoscopic-resection-of-early-gastric-cancer
#6
Seiichiro Abe, Ichiro Oda, Takeyoshi Minagawa, Masau Sekiguchi, Satoru Nonaka, Haruhisa Suzuki, Shigetaka Yoshinaga, Amit Bhatt, Yutaka Saito
This review article summarizes knowledge about metachronous gastric cancer (MGC) occurring after curative endoscopic resection (ER) of early gastric cancer (EGC), treatment outcomes of patients who developed MGC, and efficacy of Helicobacter pylori eradication to prevent MGC. The incidence of MGC following curative ER increases over time and is higher than in patients undergoing gastrectomy. Increasing age and multifocal EGC are independent risk factors for developing MGC. An MGC following curative ER is usually a small (<20 mm) and differentiated intramucosal cancer...
September 18, 2017: Clinical Endoscopy
https://www.readbyqxmd.com/read/28885903/a-minimally-invasive-treatment-for-early-gi-cancers
#7
REVIEW
Lady Katherine Mejía-Pérez, Seiichiro Abe, Tyler Stevens, Mansour A Parsi, Sunguk N Jang, Ichiro Oda, John J Vargo, Yutaka Saito, Amit Bhatt
Endoscopic submucosal dissection (ESD) allows curative resection of early malignant gastrointestinal (GI) lesions, potentially avoiding open surgery. Unfortunately, awareness of this technique is low, and many patients undergo surgery without consideration of ESD. This article reviews the indications for ESD and its advantages and limitations, and guides internists in their approach to patients with early GI cancer.
September 2017: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/28880560/from-linear-to-foldamer-and-assembly-hierarchical-transformation-of-a-coplanar-conjugated-polymer-into-a-microsphere
#8
Soh Kushida, Osamu Oki, Hitoshi Saito, Junpei Kuwabara, Takaki Kanbara, Motomichi Tashiro, Michio Katouda, Yutaka Imamura, Yohei Yamamoto
Despite the coplanar structure, a conjugated alternating copolymer forms amorphous, well-defined microspheres without π-stacked crystalline domains. Here, we gain insights into the mechanism of how the coplanar conjugated polymer forms amorphous microspheres by means of spectroscopic studies on the assembly/disassembly processes. The difference of the spectral profiles of photoabsorption and photoluminescence with varying solvent/nonsolvent composition clarifies that stepwise assembly takes place through the microsphere formation; [1] intrapolymer linear-to-folding transformation upon diffusion of polar nonsolvent and [2] interpolymer assembly of the foldamers upon further addition of the nonsolvent to form microspheres...
September 12, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28845910/successful-eradication-of-helicobacter-pylori-with-a-herbal-medicine-goshuyuto-wu-zhu-yu-tang-plus-rabeprazole-after-failure-of-triplet-therapy-with-vonoprazan-a-report-of-three-cases
#9
Yutaka Nagata, Kazuhiko Nagasaka, Syunpei Koyama, Mai Murase, Minoru Saito, Toshinori Yazaki, Nobutoshi Komatsu, Takayuki Murase, Toshiki Uehara, Norihide Taniuchi
Vonoprazan, a potassium-competitive acid blocker, is used as a substitute drug for conventional proton pump inhibitors. Recently, vonoprazan has been applied for eradication of H. pylori (HP) infection, and the efficacies of vonoprazan-based triple therapy against HP infection have already been reported. However, treatment sometimes fails in the primary and/or secondary triplet eradication therapy, including with the use of vonoprazan for HP infection. We experienced three cases of refractory HP infection. They were treated with eradication therapy for HP infection with chronic gastritis...
August 28, 2017: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28837679/influence-of-coronary-architecture-on-the-variability-in-myocardial-infarction-induced-by-coronary-ligation-in-rats
#10
Satoshi Kainuma, Shigeru Miyagawa, Satsuki Fukushima, Hirotsugu Tsuchimochi, Takashi Sonobe, Yutaka Fujii, James T Pearson, Atsuhiro Saito, Akima Harada, Koichi Toda, Mikiyasu Shirai, Yoshiki Sawa
It has been shown that the size of myocardial infarction in rats created by coronary ligation technique is not uniform, varying from 4% to 65%. We hypothesized that infarct size variability induced by coronary artery ligation might be caused by coronary artery branching pattern. Coronary artery angiography was performed in 50 normal Lewis rats and in chronic myocardial infarction models in which coronary artery was ligated immediately below the left atrial appendage or 2mm distal to the left atrial appendage (n = 25 for each), followed by histological analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28817408/reactive-osteochondromatous-lesion-of-the-femoral-neck-in-a-highly-active-preadolescent-patient-is-this-the-pathogenesis-of-a-cam-deformity
#11
Yoko Matsuda, Naomi Kobayashi, Yutaka Inaba, So Kubota, Yohei Yukizawa, Hyonmin Choe, Ikuma Kato, Kenichi Ohashi, Tomoyuki Saito
Here, we present a rare case of a preadolescent boy with a prominent bony bump on the femoral neck. The main histological feature was concordant with a reactive osteochondromatous lesion possibly induced by repetitive microtrauma, probably because of overtraining as a soccer goalkeeper. The nature of this pathological change is consistent with the growth of a cam deformity. Especially in the preadolescent age group, we should note that repetitive use of the same joint kinematics may induce a prominent cam deformity...
August 16, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28782001/effectiveness-of-computer-aided-diagnosis-of-colorectal-lesions-using-novel-software-for-magnifying-narrow-band-imaging-a-pilot-study
#12
Naoto Tamai, Yutaka Saito, Taku Sakamoto, Takeshi Nakajima, Takahisa Matsuda, Kazuki Sumiyama, Hisao Tajiri, Ryosuke Koyama, Shoji Kido
BACKGROUND AND STUDY AIMS:  Magnifying narrow-band imaging (M-NBI) enables detailed observation of microvascular architecture and can be used in endoscopic diagnosis of colorectal lesion. However, in clinical practice, differential diagnosis and estimation of invasion depth of colorectal lesions based on M-NBI findings require experience. Therefore, developing computer-aided diagnosis (CAD) for M-NBI would be beneficial for clinical practice. The aim of this study was to evaluate the effectiveness of software for CAD of colorectal lesions...
August 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28771444/radiotherapy-for-t3n0-glottic-carcinoma-without-cord-fixation-elective-nodal-irradiation-or-not
#13
Ryo Toya, Ryuji Murakami, Daizo Murakami, Tetsuo Saito, Tomohiko Matsuyama, Yutaka Toya, Yasuyuki Yamashita, Natsuo Oya
BACKGROUND: Although the T3 category has been changed in the sixth edition of the TNM staging system proposed by the Union for International Cancer Control (UICC), the appropriate clinical target volume (CTV) of elective nodal irradiation (ENI) for T3N0 glottic carcinoma without cord fixation, which was formerly treated as a T1-2N0 disease, is not fully discussed. MATERIALS AND METHODS: We retrospectively analyzed 64 patients staged or restaged as T3N0 disease without cord fixation...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28757548/the-role-of-epigenetic-regulation-in-epstein-barr-virus-associated-gastric-cancer
#14
REVIEW
Jun Nishikawa, Hisashi Iizasa, Hironori Yoshiyama, Munetaka Nakamura, Mari Saito, Sho Sasaki, Kanami Shimokuri, Masashi Yanagihara, Kouhei Sakai, Yutaka Suehiro, Takahiro Yamasaki, Isao Sakaida
The Epstein-Barr virus (EBV) is detected in about 10% of gastric carcinoma cases throughout the world. In EBV-associated gastric carcinoma (EBVaGC), all tumor cells harbor the clonal EBV genome. The expression of latent EBV genes is strictly regulated through the methylation of EBV DNA. The methylation of viral DNA regulates the type of EBV latency, and methylation of the tumor suppressor genes is a key abnormality in EBVaGC. The methylation frequencies of several tumor suppressor genes and cell adhesion molecules are significantly higher in EBVaGC than in control cases...
July 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28744940/report-of-the-international-symposiums-at-the-93rd-congress-of-japan-gastroenterological-endoscopy-society-in-osaka-2017
#15
EDITORIAL
Satoki Shichijo, Noriya Uedo, Yutaka Saito
In this session, each speaker presented papers about training situations from various countries including USA, Sweden, Philippine, Latin America, Vietnam, Cambodia, Hong Kong, and Japan, each followed by a short discussion on the topic. This session allowed Japanese and foreign experts to exchange opinions and improve mutual understanding (Table 1). This article is protected by copyright. All rights reserved.
July 26, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28726517/robot-assisted-tumor-resection-devices
#16
Yutaka Saito, Kazuki Sumiyama, Philip Wai Yan
In Japan, colorectal endoscopic submucosal dissection (ESD) is being conducted safely and effectively as shown by the increased number of the cases, however, it is still regarded as a complicated and challenging procedure. Therefore, piecemeal endoscopic mucosal resection (p-EMR) is still regarded as an appropriate treatment, rather than ESD for large colorectal tumors, especially in Western countries. Areas covered: There are several factors that are responsible for colorectal ESD difficulty. Firstly, there is no adequate traction or counter-traction in colorectal ESD...
July 20, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28713066/approaches-for-stricture-prevention-after-esophageal-endoscopic-resection
#17
REVIEW
Seiichiro Abe, Prasad G Iyer, Ichiro Oda, Nobuo Kanai, Yutaka Saito
BACKGROUND AND AIMS: Endoscopic resection of extensive esophageal lesions has become more common as endoscopic resection techniques and equipment has developed. However, extensive esophageal endoscopic resections can cause postoperative esophageal strictures, which have a negative impact on the quality of life of patients. We aimed to review current treatments and innovative approaches to prevent esophageal strictures after widespread endoscopic resection of esophageal lesions. METHODS: We performed a comprehensive literature search using predetermined search terms from 2000 to 2016 to identify relevant articles and summarized their results as a narrative review...
July 13, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28711340/revision-total-hip-arthroplasty-using-the-kerboull-acetabular-reinforcement-device-and-structural-allograft-for-severe-defects-of-the-acetabulum
#18
Hiroyuki Makita, Marcel Kerboull, Yutaka Inaba, Taro Tezuka, Tomoyuki Saito, Luc Kerboull
BACKGROUND: The purpose of this study is to review our experience with Kerboull reinforcement device combined with bulk allograft for management of severe acetabular defects. METHODS: We investigated the results of revision total hip arthroplasty (THA) in 65 hips of 59 patients (10 male, 49 female) with Paprosky type 3A or 3B acetabular bone defects. Functional outcome was assessed using the Merle d'Aubigne hip score. Post-operative radiographs were examined for evidence of cup loosening...
June 23, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28701223/low-dose-immunoglobulin-g-is-not-associated-with-mortality-in-patients-with-sepsis-and-septic-shock
#19
Yusuke Iizuka, Masamitsu Sanui, Yusuke Sasabuchi, Alan Kawarai Lefor, Mineji Hayakawa, Shinjiro Saito, Shigehiko Uchino, Kazuma Yamakawa, Daisuke Kudo, Kohei Takimoto, Toshihiko Mayumi, Takeo Azuhata, Fumihito Ito, Shodai Yoshihiro, Katsura Hayakawa, Tsuyoshi Nakashima, Takayuki Ogura, Eiichiro Noda, Yoshihiko Nakamura, Ryosuke Sekine, Yoshiaki Yoshikawa, Motohiro Sekino, Keiko Ueno, Yuko Okuda, Masayuki Watanabe, Akihito Tampo, Nobuyuki Saito, Yuya Kitai, Hiroki Takahashi, Iwao Kobayashi, Yutaka Kondo, Wataru Matsunaga, Sho Nachi, Toru Miike, Hiroshi Takahashi, Shuhei Takauji, Kensuke Umakoshi, Takafumi Todaka, Hiroshi Kodaira, Kohkichi Andoh, Takehiko Kasai, Yoshiaki Iwashita, Hideaki Arai, Masato Murata, Masahiro Yamane, Kazuhiro Shiga, Naoto Hori
BACKGROUND: The administration of low-dose intravenous immunoglobulin G (IVIgG) (5 g/day for 3 days; approximate total 0.3 g/kg) is widely used as an adjunctive treatment for patients with sepsis in Japan, but its efficacy in the reduction of mortality has not been evaluated. We investigated whether the administration of low-dose IVIgG is associated with clinically important outcomes including intensive care unit (ICU) and in-hospital mortality. METHODS: This is a post-hoc subgroup analysis of data from a retrospective cohort study, the Japan Septic Disseminated Intravascular Coagulation (JSEPTIC DIC) study...
July 13, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28693592/bone-metabolism-and-inflammatory-characteristics-in-14-cases-of-chronic-nonbacterial-osteomyelitis
#20
Yurika Ata, Yutaka Inaba, Hyonmin Choe, Naomi Kobayashi, Jiro Machida, Naoyuki Nakamura, Tomoyuki Saito
BACKGROUND: Chronic nonbacterial osteomyelitis (CNO) is a multifocal autoinflammatory disease that often impairs daily life in children. This study aimed to investigate the bone metabolic and inflammatory characteristics of patients with CNO, and to assess the differences between responders and nonresponders to conservative treatment. METHODS: We investigated the clinical symptoms; laboratory data including inflammatory and bone metabolic biomarkers; and imaging findings from plain radiography, magnetic resonance imaging (MRI), fluorodeoxyglucose-positron emission tomography (FDG-PET), and dual-energy x-ray absorption (DEXA) in 14 patients with CNO...
July 11, 2017: Pediatric Rheumatology Online Journal
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