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yutaka Saito

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https://www.readbyqxmd.com/read/27919194/total-knee-arthroplasty-improves-both-knee-function-and-disease-activity-in-patients-with-rheumatoid-arthritis
#1
Ken Kumagai, Kengo Harigane, Yoshihiro Kusayama, Taro Tezuka, Yutaka Inaba, Tomoyuki Saito
OBJECTIVE: This study evaluated the effect of TKA with capsulosynovectomy on disease activity and knee function in patients with RA. METHODS: Seventy-six RA patients who underwent primary TKA with more than 2 years of follow-up were retrospectively reviewed to assess postoperative knee function and disease activity. RESULTS: Postoperative knee function was significantly improved in all clinical scores, and maintained up to 24 months after surgery...
December 6, 2016: Modern Rheumatology
https://www.readbyqxmd.com/read/27916776/favorable-clinical-outcomes-of-transcatheter-aortic-valve-implantation-in-japanese-patients%C3%A3-first-report-from-the-post-approval-k-tavi-registry
#2
Shinya Takimoto, Naritatsu Saito, Kenji Minakata, Shinichi Shirai, Akihiro Isotani, Yoshio Arai, Michiya Hanyu, Tatsuhiko Komiya, Takeshi Shimamoto, Tsuyoshi Goto, Yasushi Fuku, Natsuhiko Ehara, Yutaka Furukawa, Tadaaki Koyama, Atsuhi Nagasawa, Toshihiro Tamura, Makoto Miyake, Kazuo Yamanaka, Hisashi Sakaguchi, Koichiro Murata, Tomoya Onodera, Fumio Yamazaki, Masanao Nakai, Tomohiko Taniguchi, Ryuzo Sakata, Takeshi Kimura
BACKGROUND: Very limited data exist on the outcomes of transcatheter aortic valve implantation (TAVI) since Japanese marketing approval of the first TAVI device.Methods and Results:The Kyoto University-related hospital Transcatheter Aortic Valve Implantation (K-TAVI) registry includes prospectively collected data from 6 participating hospitals in Japan. We included 302 patients with severe aortic stenosis who underwent TAVI using the SAPIEN XT balloon-expandable valve via transfemoral (TF; n=203, 67%) or transapical (TA; n=99, 33%) approach between October 2013 and September 2015...
December 3, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/27867814/the-assessment-of-myometrium-perfusion-in-patients-with-uterine-fibroid-by-arterial-spin-labeling-mri
#3
Nozomi Takahashi, Osamu Yoshino, Osamu Hiraike, Eriko Maeda, Masanobu Nakamura, Masaaki Hori, Miyuki Harada, Kaori Koga, Shigeru Saito, Tomoyuki Fujii, Yutaka Osuga
BACKGROUND: It has been suggested that an inadequate blood supply caused by uterine fibroids may lead to decreasing fertility. Therefore, a quantitative evaluation of blood flow in the uterus might be a good tool for infertility treatments. For the first step, the ability to perform arterial spin labeling (ASL)-MRI in pelvic organs was examined by measuring blood flow in the uterine muscle layer. RESULTS: Three normal volunteer women, seven patients with one uterine fibroid and four patients treated with GnRH analogue for uterine fibroids, were enrolled in this study...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27865193/different-clinical-outcomes-in-patients-with-asymptomatic-severe-aortic-stenosis-according-to-the-stage-classification-does-the-aortic-valve-area-matter
#4
Takeshi Kitai, Tomohiko Taniguchi, Takeshi Morimoto, Toshiaki Toyota, Chisato Izumi, Shuichiro Kaji, Kitae Kim, Naritatsu Saito, Kazuya Nagao, Tsukasa Inada, Eri Minamino-Muta, Takao Kato, Moriaki Inoko, Katsuhisa Ishii, Tadaaki Koyama, Ryuzo Sakata, Yutaka Furukawa, Takeshi Kimura
BACKGROUND: The ACC/AHA guidelines introduced a new classification of severe aortic stenosis (AS) mainly based on maximum jet velocity (Vmax) and mean pressure gradient (mPG), but not on aortic valve area (AVA). However, prognostic value of this new classification has not yet been fully evaluated. METHODS AND RESULTS: We studied 1512 patients with asymptomatic severe AS enrolled in the CURRENT AS registry in whom surgery was not initially planned. Patients were divided into 2 groups: Group 1 (N=122) comprised patients who met the recommendation for surgery; high-gradient (HG)-AS (Vmax≥4...
November 11, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27835982/effectiveness-of-hepatoprotective-drugs-for-anti-tuberculosis-drug-induced-hepatotoxicity-a-retrospective-analysis
#5
Zenya Saito, Yugo Kaneko, Akira Kinoshita, Yusuke Kurita, Kyuto Odashima, Tsugumi Horikiri, Yutaka Yoshii, Aya Seki, Yoshitaka Seki, Hiroshi Takeda, Kazuyoshi Kuwano
BACKGROUND: The effectiveness of hepatoprotective drugs for DIH (drug induced hepatotoxicity) during tuberculosis treatment is not clear. We evaluated the effectiveness of hepatoprotective drugs by comparing the period until the normalization of hepatic enzymes between patients who were prescribed with the hepatoprotective drugs after DIH was occurred and patients who were not prescribed with the hepatoprotective drugs. METHODS: During 2006-2010, 389 patients with active tuberculosis were included in this study...
November 11, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27815008/the-distribution-of-impingement-region-in-cam-type-femoroacetabular-impingement-and-borderline-dysplasia-of-the-hip-with-or-without-cam-deformity-a-computer-simulation-study
#6
Naomi Kobayashi, Yutaka Inaba, So Kubota, So Nakamura, Taro Tezuka, Yohei Yukizawa, Hyonmin Choe, Tomoyuki Saito
PURPOSE: To identify the distribution of the impingement region in cam-type femoroacetabular impingement (FAI) or patients with borderline developmental dysplasia of the hip (DDH) using computer simulation analysis. METHODS: A total of 51 painful hip joints from 42 consecutive cases diagnosed as cam-type FAI (center edge [CE] angle ≥ 25°, alpha angle ≥ 55°) or borderline DDH (CE angle ≥ 20° and < 25°) with or without a cam deformity (alpha angle ≥ 55° or < 55°) were enrolled...
November 1, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27793921/investigation-of-bioequivalence-between-brand-name-and-generic-irinotecan-products
#7
Ken-Ichi Saito, Yutaka Inoue, Yoji Ikegami, Izumi Nanbo, Mari Onozuka, Kazumi Sano, Hisahiro Yoshida, Toshihiro Sakamoto, Emi Tatebayashi, Ken-Ichi Fujita, Yasutsuna Sasaki, Takaki Kitazawa
BACKGROUND/AIM: To investigate bioequivalence among generic and brand-name irinotecan products. MATERIALS AND METHODS: Products of Yakult and Daiichi-Sankyo (brand-name products), Sandoz, Nippon Kayaku, Taiho, and Sawai were compared with respect to their composition and antitumor activity. RESULTS: High-performance liquid chromatography demonstrated that related substances were within the acceptable range. The 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay revealed significant differences in cytotoxicity for four cancer cell lines among the products...
November 2016: Anticancer Research
https://www.readbyqxmd.com/read/27779697/myofibroblast-distribution-is-associated-with-invasive-growth-types-of-colorectal-cancer
#8
Masafumi Takatsuna, Satoko Morohashi, Tadashi Yoshizawa, Hideaki Hirai, Toshihiro Haga, Rie Ota, Kensuke Saito, Yunyan Wu, Hiroko Seino, Yutaka Aoyagi, Shuji Terai, Hiroshi Kijima
Both the invasive growth types of colorectal cancer (CRC) and the number of myofibroblasts have been associated with histopathological factors such as lymph node and liver metastasis, and local recurrence. However, there are few studies, that have assessed the association between invasive growth type and myofibroblast distribution in CRC. We aimed to evaluate the relationship between the clinicopathological factors of CRC and two invasive growth types, the expanding and infiltrating types. We categorized 150 cases of pT3 CRC into the expanding and infiltrating types and measured the myofibroblast density of three histological layers: the submucosa (SM), the muscularis propria (MP) and the subserosa (SS)...
October 25, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27766701/alpha-7-nicotinic-acetylcholine-receptor-nachr-agonist-inhibits-the-development-of-endometriosis-by-regulating-inflammation
#9
Kaori Yamada-Nomoto, Osamu Yoshino, Ikumi Akiyama, Akemi Ushijima, Yosuke Ono, Tomoko Shima, Akitoshi Nakashima, Shusaku Hayashi, Makoto Kadowaki, Yutaka Osuga, Shigeru Saito
OBJECTIVE: We investigated α-7 nAchR expression in human peritoneal macrophages and examined whether activation of nAchR might be a new therapy for endometriosis. MATERIALS AND METHODS: Human peritoneal fluid mononuclear cells (PFMC) were stimulated with lipopolysaccharide (LPS) in the presence of α-7 nAChR agonists. In a murine endometriosis model, α-7 nAChR modulators were administered. RESULTS: Human PFMC expressed α-7 nAChR at the mRNA and protein levels...
December 2016: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/27751873/clinical-outcomes-and-prognostic-factors-in-gastric-cancer-patients-aged-%C3%A2-85-years-undergoing-endoscopic-submucosal-dissection
#10
Masau Sekiguchi, Ichiro Oda, Haruhisa Suzuki, Seiichiro Abe, Satoru Nonaka, Shigetaka Yoshinaga, Hirokazu Taniguchi, Shigeki Sekine, Yutaka Saito
BACKGROUND AND AIMS: Although the number of gastric cancer patients aged ≥85 years indicated for endoscopic submucosal dissection (ESD) has increased, little is known about their outcomes and prognostic factors. This study aimed to investigate the clinical outcomes and factors prognostic of overall survival (OS) of patients aged ≥85 years who underwent ESD for gastric cancer. METHODS: We retrospectively reviewed 108 patients aged ≥85 years with 149 gastric cancers treated by ESD between 1999 and 2014 at our institution...
October 14, 2016: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/27746646/a-case-of-hyperandrogenism-insulin-resistance-and-acanthosis-nigricans-syndrome-increase-in-proliferating-cell-nuclear-antigen-and-decrease-in-loricrin-in-acanthosis-nigricans
#11
Kanami Saito, Hisae Ando, Koro Goto, Tetsuya Kakuma, Yasushi Kawano, Hisashi Narahara, Yutaka Hatano, Sakuhei Fujiwara
No abstract text is available yet for this article.
October 2016: Annals of Dermatology
https://www.readbyqxmd.com/read/27737964/regional-colorectal-cancer-screening-program-using-colonoscopy-on-an-island-a-prospective-nii-jima-study
#12
Kinichi Hotta, Takahisa Matsuda, Yasuo Kakugawa, Hiroaki Ikematsu, Nozomu Kobayashi, Ryoji Kushima, Atsushi Hozawa, Takeshi Nakajima, Taku Sakamoto, Mika Mori, Takahiro Fujii, Yutaka Saito
OBJECTIVE: Colorectal cancer screening program using fecal immunochemical test had been conducted on an isolated island named Nii-jima. However, the participation rate of the program had been approximately 12%, which was lower than average level of Japan. This study aimed to evaluate the participation rate, safety and efficacy of a colorectal cancer screening program using colonoscopy on the island. METHODS: Educational campaigns were actively conducted every month using information bulletins and special propaganda pamphlets...
October 13, 2016: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/27727484/comparison-of-tumour-infiltrating-lymphocytes-between-primary-and-metastatic-tumours-in-breast-cancer-patients
#13
Rin Ogiya, Naoki Niikura, Nobue Kumaki, Giampaolo Bianchini, Shigehisa Kitano, Takayuki Iwamoto, Naoki Hayashi, Kozue Yokoyama, Risa Oshitanai, Mayako Terao, Toru Morioka, Banri Tsuda, Takuho Okamura, Yuki Saito, Yasuhiro Suzuki, Yutaka Tokuda
The presence of tumour-infiltrating lymphocytes (TILs) is associated with favourable long-term outcome in breast cancer. However, little is known about changes in TILs during metastatic progression. To confirm our hypothesis that malignant tumours escape from the host immune system during metastasis, we evaluated the percentage of TILs in paired samples of primary and metastatic breast tumours. We retrospectively identified 25 patients with human epidermal growth factor receptor-2 (HER2)-positive (n = 14, HER2+) and triple negative (n = 11, TN) early breast cancer diagnosed during 1990-2009 at Tokai University Hospital and who subsequently experienced regional or distant recurrence confirmed by tumour biopsy/resection...
October 11, 2016: Cancer Science
https://www.readbyqxmd.com/read/27722825/clinical-outcomes-of-early-gastric-cancer-patients-after-noncurative-endoscopic-submucosal-dissection-in-a-large-consecutive-patient-series
#14
Haruhisa Suzuki, Ichiro Oda, Seiichiro Abe, Masau Sekiguchi, Satoru Nonaka, Shigetaka Yoshinaga, Yutaka Saito, Takeo Fukagawa, Hitoshi Katai
BACKGROUND: Clinical outcomes of early gastric cancer (EGC) patients after noncurative endoscopic submucosal dissection (ESD) have not been fully elucidated; we therefore aimed to clarify these outcomes. METHODS: A total of 3058 consecutive patients with 3474 clinically diagnosed EGCs at initial onset underwent ESD with curative intent at our hospital between 1999 and 2010. We retrospectively assessed the following clinical outcomes of noncurative gastric ESD patients with a possible risk of lymph node (LN) metastasis by dividing patients into two groups with different treatment strategies (additional gastrectomy and simple follow-up): presence of LN metastasis at the time of gastrectomy, incidence of LN and distant metastases during the follow-up period, clinicopathological factors associated with metastasis, and 5-year disease-specific survival (DSS)...
October 8, 2016: Gastric Cancer
https://www.readbyqxmd.com/read/27710865/hydrocortisone-and-dexamethasone-dose-dependently-stabilize-mast-cells-derived-from-rat-peritoneum
#15
Tomohiro Mori, Nozomu Abe, Kazutomo Saito, Hiroaki Toyama, Yasuhiro Endo, Yutaka Ejima, Masanori Yamauchi, Mariko Goto, Hajime Mushiake, Itsuro Kazama
BACKGROUND: Besides their anti-inflammatory properties, corticosteroid drugs exert anti-allergic effects. Exocytosis of mast cells is electrophysiologically detected as the increase in the whole-cell membrane capacitance (Cm). Therefore, the lack of such increase after exposure to the drugs suggests their mast cell-stabilizing effects. METHODS: We examined the effects of 1, 10, 100 and 200μM hydrocortisone or dexamethasone on the degranulation from rat peritoneal mast cells...
September 5, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/27695903/variation-in-nesting-behavior-of-eight-species-of-spider-mites-stigmaeopsis-having-sociality
#16
Yutaka Saito, Yan-Xuan Zhang, Kotaro Mori, Katsura Ito, Yukie Sato, Anthony R Chittenden, Jian-Zhen Lin, Younghae Chae, Takane Sakagami, Ken Sahara
Nesting behavior is considered to be an important element of social living in animals. The spider mites belonging to the genus Stigmaeopsis spend their lives within nests produced from silk threads. Several of these species show cooperative sociality, while the others are subsocial. In order to identify the origins of this social behavior, comparisons of nest sizes, nesting behaviors (making nests continuously or separately), and their associated traits (fecal deposition patterns) were made for eight cogeneric Stigmaeopsis species showing various levels of social development...
October 2016: Die Naturwissenschaften
https://www.readbyqxmd.com/read/27693027/diagnostic-performance-of-320-slice-computed-tomography-coronary-angiography-for-symptomatic-patients-in-clinical-practice
#17
Futoshi Yamanaka, Koki Shishido, Tomoki Ochiai, Noriaki Moriyama, Kazuki Tobita, Tomoyuki Tani, Kyosuke Furuhashi, Kazuya Sugitatsu, Daisuke Hachinohe, Tadashi Wada, Shingo Mizuno, Hidetaka Suenaga, Yutaka Tanaka, Masato Murakami, Junya Matsumi, Saeko Takahashi, Takeshi Akasaka, Shinji Tanaka, Shigeru Saito
OBJECTIVE: Multi-slice computed tomography (MSCT) coronary angiography has been reported as an effective alternative to invasive conventional coronary angiography (CCA) for the diagnosis of coronary artery disease (CAD). However, in previous reports, the diagnostic accuracy of MSCT has not been significant enough to be of benefit in symptomatic patients. The aim of this study was to identify the usefulness of 320-slice computed tomography coronary angiography (320-CTA) for symptomatic patients in terms of the diagnostic accuracy of 320-CTA and the prevalence of vasospastic angina pectoris (VSAP) within the study cohort...
September 29, 2016: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/27663658/development-of-an-efficient-strategy-to-improve-hpv-immunization-coverage-in-japan
#18
Asami Yagi, Yutaka Ueda, Tomomi Egawa-Takata, Yusuke Tanaka, Akiko Morimoto, Yoshito Terai, Masahide Ohmichi, Tomoyuki Ichimura, Toshiyuki Sumi, Hiromi Murata, Hidetaka Okada, Hidekatsu Nakai, Masaki Mandai, Kiyoshi Yoshino, Tadashi Kimura, Junko Saito, Risa Kudoh, Masayuki Sekine, Takayuki Enomoto, Kei Hirai, Yorihiko Horikoshi, Tetsu Takagi, Kentaro Shimura
BACKGROUND: In Japan, new HPV immunizations have dropped dramatically after repeated adverse media reports and a June 2013 temporary suspension of the government's recommendation for the vaccine. The aim of the present study was to develop an efficient strategy to improve HPV immunization coverage across Japan. METHODS: We conducted an internet survey in Japan of mothers of 12-16 year-old girls who were unvaccinated as of May, 2015. The goal was to gather behavioral information from the mothers to develop a strategy for improving Japanese HPV immunization coverage...
2016: BMC Public Health
https://www.readbyqxmd.com/read/27649274/extremotolerant-tardigrade-genome-and-improved-radiotolerance-of-human-cultured-cells-by-tardigrade-unique-protein
#19
Takuma Hashimoto, Daiki D Horikawa, Yuki Saito, Hirokazu Kuwahara, Hiroko Kozuka-Hata, Tadasu Shin-I, Yohei Minakuchi, Kazuko Ohishi, Ayuko Motoyama, Tomoyuki Aizu, Atsushi Enomoto, Koyuki Kondo, Sae Tanaka, Yuichiro Hara, Shigeyuki Koshikawa, Hiroshi Sagara, Toru Miura, Shin-Ichi Yokobori, Kiyoshi Miyagawa, Yutaka Suzuki, Takeo Kubo, Masaaki Oyama, Yuji Kohara, Asao Fujiyama, Kazuharu Arakawa, Toshiaki Katayama, Atsushi Toyoda, Takekazu Kunieda
Tardigrades, also known as water bears, are small aquatic animals. Some tardigrade species tolerate almost complete dehydration and exhibit extraordinary tolerance to various physical extremes in the dehydrated state. Here we determine a high-quality genome sequence of Ramazzottius varieornatus, one of the most stress-tolerant tardigrade species. Precise gene repertoire analyses reveal the presence of a small proportion (1.2% or less) of putative foreign genes, loss of gene pathways that promote stress damage, expansion of gene families related to ameliorating damage, and evolution and high expression of novel tardigrade-unique proteins...
September 20, 2016: Nature Communications
https://www.readbyqxmd.com/read/27641631/project-conducted-in-hirakata-to-improve-cervical-cancer-screening-rates-in-20-year-old-japanese-influencing-parents-to-recommend-that-their-daughters-undergo-cervical-cancer-screening
#20
Asami Yagi, Yutaka Ueda, Tomomi Egawa-Takata, Yusuke Tanaka, Yoshito Terai, Masahide Ohmichi, Tomoyuki Ichimura, Toshiyuki Sumi, Hiromi Murata, Hidetaka Okada, Hidekatsu Nakai, Masaki Mandai, Shinya Matsuzaki, Eiji Kobayashi, Kiyoshi Yoshino, Tadashi Kimura, Junko Saito, Yumiko Hori, Eiichi Morii, Tomio Nakayama, Yukio Suzuki, Yoko Motoki, Akiko Sukegawa, Mikiko Asai-Sato, Etsuko Miyagi, Manako Yamaguchi, Risa Kudo, Sosuke Adachi, Masayuki Sekine, Takayuki Enomoto, Yorihiko Horikoshi, Tetsu Takagi, Kentaro Shimura
AIM: In Japan, the rate of routine cervical cancer screening is quite low, and the incidence of cervical cancer has recently been increasing. Our objective was to investigate ways to effectively influence parental willingness to recommend that their 20-year-old daughters undergo cervical cancer screening. METHODS: We targeted parents whose 20-year-old daughters were living with them. In fiscal year 2013, as usual, the daughter received a reminder postcard several months after they had received a free coupon for cervical cancer screening...
September 19, 2016: Journal of Obstetrics and Gynaecology Research
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