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Shuichi Kaneyama, Masatoshi Sumi, Masato Takabatake, Koichi Kasahara, Aritetsu Kanemura, Hiroaki Hirata, Bruce V Darden
STUDY DESIGN: Clinical case series and risk factor analysis of dysphagia after occipitospinal fusion (OSF). OBJECTIVE: To develop new criteria to avoid postoperative dysphagia by analyzing the relationship among the craniocervical alignment, the oropharyngeal space and the incidence of dysphagia after OSF. SUMMARY OF BACKGROUND DATA: Craniocervical malalignment after OSF is considered to be one of the primary triggers of postoperative dysphagia...
October 24, 2016: Spine
Keiichi Fujiya, Masanori Tokunaga, Rie Makuuchi, Noriyuki Nishiwaki, Hayato Omori, Wataru Takagi, Fumiko Hirata, Makoto Hikage, Yutaka Tanizawa, Etsuro Bando, Taiichi Kawamura, Masanori Terashima
BACKGROUND: There is no evidence that strict follow-up using cross-sectional imaging after curative gastrectomy benefits survival; however, nonperitoneal recurrence detected early might be treated with additional surgery. The present study examined whether early detection of recurrence by imaging modalities could increase survival, particularly in patients with nonperitoneal recurrence. METHODS: We retrospectively analyzed 218 patients with recurrent gastric cancer after curative gastrectomy performed from 2002 to 2014...
October 24, 2016: Gastric Cancer
Tomoki Tamura, Taizo Hirata, Masahiro Tabata, Shiro Hinotsu, Akinobu Hamada, Takayuki Motoki, Takayuki Iwamoto, Taeko Mizoo, Tomohiro Nogami, Tadahiko Shien, Naruto Taira, Junji Matsuoka, Hiroyoshi Doihara
Docetaxel is a standard treatment for patients with advanced or recurrent breast cancer. The recommended dose is 60 to 100 mg/m2. Previous study have shown that the tumor response rates of patients who received docetaxel monotherapy at doses of 60, 75, and 100 mg/m2 were 22.1% , 23.3% , and 36.0% , respectively, and there was a significant relationship between the dose and response. In Europe and the United States, docetaxel is approved at a dose of 100 mg/m2, and Japanese guidelines also recommend a dose of 100 mg/m2...
October 2016: Acta Medica Okayama
Tsukasa Tominari, Chiho Matsumoto, Kenta Watanabe, Michiko Hirata, Florian M W Grundler, Masaki Inada, Chisato Miyaura
Lutein, a member of the xanthophyll family of carotenoids, suppressed IL-1-induced osteoclast differentiation and bone resorption. The survival of mature osteoclasts was also suppressed by lutein in cultures. When lutein was added to the cultures of osteoblasts, lutein enhanced the formation of mineralized bone nodules by elevating BMP2 expression and inhibiting sclerostin expression. Lutein may be beneficial for bone health.
October 25, 2016: Bioscience, Biotechnology, and Biochemistry
Eiichiro Yamamoto, Yoshihiro Hirata, Takanori Tokitsu, Hiroaki Kusaka, Noriaki Tabata, Kenichi Tsujita, Megumi Yamamuro, Koichi Kaikita, Hiroshi Watanabe, Seiji Hokimoto, Toru Maruyama, Hisao Ogawa
AIMS: Although inflammation plays an important role in the pathogenesis of heart failure (HF), the precise pathophysiological role of inflammation in HF with preserved left ventricular ejection fraction (HFpEF) still remains unclear. Hence, we examined the clinical significance of plasma neopterin, an inflammatory biomarker, in HFpEF patients. METHODS AND RESULTS: In the present study, we recruited consecutive HFpEF patients hospitalized in Kumamoto University Hospital, and further measured plasma neopterin by high-performance liquid chromatography and serum derivatives of reactive oxidative metabolites (DROM), a new biomarker of reactive oxygen species...
March 2016: ESC Heart Failure
Hisateru Komatsu, Tomohiro Iguchi, Takaaki Masuda, Hidenari Hirata, Masami Ueda, Shinya Kidogami, Yushi Ogawa, Kuniaki Sato, Qingjiang Hu, Sho Nambara, Tomoko Saito, Shotaro Sakimura, Ryutaro Uchi, Shuhei Ito, Hidetoshi Eguchi, Keishi Sugimachi, Hidetoshi Eguchi, Yuichiro Doki, Masaki Mori, Koshi Mimori
BACKGROUND: The RND1 gene encodes a protein that belongs to the Rho GTPase family, which regulates various cellular functions. Depletion of RND1 expression activates the oncogenic Ras signaling pathway. In this study, we aimed to clarify the clinical significance of RND1 expression in predicting prognosis and to investigate its biological role in human hepatocellular carcinoma (HCC). METHODS: The association between RND1 expression and clinical outcomes in patients with HCC was analyzed in three independent cohorts: 120 cases resected in our hospital; 370 cases in The Cancer Genome Atlas (TCGA); and 242 cases in GSE14520...
October 21, 2016: Annals of Surgical Oncology
Naoto Sasaki, Tomoya Yamashita, Kazuyuki Kasahara, Atsushi Fukunaga, Tomoyuki Yamaguchi, Takuo Emoto, Keiko Yodoi, Takuya Matsumoto, Kenji Nakajima, Tomoyuki Kita, Masafumi Takeda, Taiji Mizoguchi, Tomohiro Hayashi, Yoshihiro Sasaki, Mayumi Hatakeyama, Kumiko Taguchi, Ken Washio, Shimon Sakaguchi, Bernard Malissen, Chikako Nishigori, Ken-Ichi Hirata
OBJECTIVE: UVB irradiation is an established treatment for immunoinflammatory cutaneous disorders and has been shown to suppress cutaneous and systemic inflammatory diseases through modulation of the adaptive immune response. However, it remains unknown whether UVB irradiation prevents an immunoinflammatory disease of arteries such as atherosclerosis. APPROACH AND RESULTS: Here, we show that UVB exposure inhibits the development and progression of atherosclerosis in atherosclerosis-prone mice by expanding and enhancing the functional capacity of CD4(+) forkhead box P3(+) regulatory T cells and regulating proatherogenic T-cell responses...
October 20, 2016: Arteriosclerosis, Thrombosis, and Vascular Biology
Yuki Homma, Goro Honda, Katsunori Sakamoto, Masanao Kurata, Masahiko Honjo, Yoshihiro Hirata, Satoshi Shinya
BACKGROUND: Although surgical resection is the only curative strategy for pancreatic cancer, the prognosis of patients with pancreatic cancer remains poor. Recently, neoadjuvant treatment has been frequently employed as a promising treatment. Here, the mid-term results of neoadjuvant chemoradiotherapy(NACRT)using S-1, which has been performed in our hospital since 2008, are reported. METHODS: Seventy-nine patients with resectable or borderline resectable pancreatic ductal adenocarcinoma, who had been intended to undergo NACRT treatment using S-1, were enrolled...
October 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
Ryohei Fukuma, Takufumi Yanagisawa, Youichi Saitoh, Koichi Hosomi, Haruhiko Kishima, Takeshi Shimizu, Hisato Sugata, Hiroshi Yokoi, Masayuki Hirata, Yukiyasu Kamitani, Toshiki Yoshimine
No abstract text is available yet for this article.
October 19, 2016: Scientific Reports
Y Hayashi, Yoshiki Ishii, J Nagasawa, S Arai, H Okada, F Ohmi, T Umetsu, Y Machida, K Kurasawa, A Takemasa, S Suzuki, T Senoh, T Sada, K Hirata
Sarcoidosis is a chronic granulomatous disease that can affect multiple organs. The lungs, eyes, and skin are known to be highly affected organs in sarcoidosis. There have been reports based on random muscle biopsy that 32-80% of systemic sarcoidosis comprises noncaseating granulomas; however, muscle involvement in sarcoidosis is generally asymptomatic and has an unknown frequency. We describe a case of acute to subacute sarcoid myositis of the skeletal and extraocular muscles. Typical ophthalmic involvement (manifested by infiltration of the ocular adnexa, intraocular inflammation, or infiltration of the retrobulbar visual pathways) and extraocular sarcoid myositis (as with the present case) is infrequently reported...
October 7, 2016: Sarcoidosis, Vasculitis, and Diffuse Lung Diseases: Official Journal of WASOG
Masaharu Tsubokura, Shuhei Nomura, Hajime Watanobe, Yoshitaka Nishikawa, Chiaki Suzuki, Sae Ochi, Claire Leppold, Hirokatsu Kinoshita, Shigeaki Kato, Yasutoshi Saito
Background Iodine deficiency is an important modifier of the risk of thyroid cancer following irradiation; however, little information is available on a prevalence of iodine deficiency in Fukushima and its surroundings after the Fukushima Daiichi nuclear power plant accident that occurred in March, 2011. Methods To assess urinary iodine concentrations (UIC) and a prevalence of iodine deficiency and to elucidate any associations between demographic characteristics and UIC levels among children and adolescents aged 18 or younger at the time of the accident in Fukushima Prefecture and its surroundings, we evaluated the data on voluntary UIC testing conducted by Hirata Central Hospital, Fukushima...
October 19, 2016: Thyroid: Official Journal of the American Thyroid Association
Hiroshi Isono, Shinnosuke Hirata, Tadashi Yamaguchi, Hiroyuki Hachiya
PURPOSE: Chronic liver disease requires careful follow-up during long-term treatment, and development of a quantitative diagnosis method for liver fibrosis based on an ultrasonic imaging system is highly desired. METHODS: Texture analysis using a co-occurrence matrix was applied to both clinical and simulated ultrasonic images of fibrotic livers. A sequence of matrices was generated for pixel-pair distance, r, and texture feature contrast was chosen to examine the response to r in combination with statistical analysis of echo amplitude distribution using a multi-Rayleigh model...
October 18, 2016: Journal of Medical Ultrasonics
Takuya Toyonaga, Shigeru Yamaguchi, Kenji Hirata, Kentaro Kobayashi, Osamu Manabe, Shiro Watanabe, Shunsuke Terasaka, Hiroyuki Kobayashi, Naoya Hattori, Tohru Shiga, Yuji Kuge, Shinya Tanaka, Yoichi M Ito, Nagara Tamaki
PURPOSE: Metabolic activity and hypoxia are both important factors characterizing tumor aggressiveness. Here, we used F-18 fluoromisonidazole (FMISO) and F-18 fluorodeoxyglucose (FDG) positron emission tomography (PET) to define metabolically active hypoxic volume, and investigate its clinical significance in relation to progression free survival (PFS) and overall survival (OS) in glioblastoma patients. EXPERIMENTAL DESIGN: Glioblastoma patients (n = 32) underwent FMISO PET, FDG PET, and magnetic resonance imaging (MRI) before surgical intervention...
October 18, 2016: European Journal of Nuclear Medicine and Molecular Imaging
Yuka Minami-Kobayashi, Atsuo Yamada, Hirotsugu Watabe, Hirobumi Suzuki, Yoshihiro Hirata, Yutaka Yamaji, Haruhiko Yoshida, Kazuhiko Koike
BACKGROUND/AIM: The efficacy of flexible spectral imaging color enhancement (FICE) ch. 1 (F1) for the detection of ulcerative lesions and angioectasias in the small intestine with capsule endoscopy (CE) has been reported. In the present study, we evaluated whether F1 could detect incremental findings in patients with no findings in a standard review mode. PATIENTS AND METHODS: In total, 52 patients (age: 60.1 ± 15.3 years; 30 males) with obscure gastrointestinal bleeding (OGIB) who underwent CE and in whom no lesion was detected in the small intestine in the standard mode (first review) were enrolled...
September 2016: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
So Nakaji, Nobuto Hirata, Rintaro Mikata, Masayoshi Kobayashi, Toshiyasu Shiratori, Sadahisa Ogasawara, Yoshihiko Ooka, Toshio Tsuyuguchi, Taketo Yamaguchi, Osamu Yokosuka
Background and study aims: Accurately puncturing hepatocellular carcinomas (HCC) that arise from the caudate lobe is generally considered to be technically difficult. We conducted a retrospective study to evaluate the feasibility and safety (the therapeutic outcomes and adverse events) of endoscopic ultrasound (EUS)-guided ethanol injection as a novel treatment for HCC in the caudate lobe. Patients and methods: Twelve patients with early-stage HCC of the caudate lobe that were treated with EUS-guided ethanol injection at two tertiary referral centers were reviewed retrospectively...
October 2016: Endoscopy International Open
Yoshihito Iijima, Hirohiko Akiyama, Yuki Nakajima, Hiroyasu Kinoshita, Iwao Mikami, Hidetaka Uramoto, Tomomi Hirata
INTRODUCTION: Recently, the opportunity to encounter lung metastasis from choriocarcinoma has become very rare for thoracic surgeons, since chemotherapy works very well and the operative indications for lung metastasis are limited. PRESENTATION OF CASE: A 45-year-old woman with a past history of hydatidiform mole six years previously was found to have a nodulous chest shadow in the right middle lung field on a chest radiography. She was also suspected of having an ovarian tumor and underwent a total abdominal hysterectomy and bilateral salpingo-oophorectomy...
September 30, 2016: International Journal of Surgery Case Reports
Akira Takashima, Daiju Fukuda, Kimie Tanaka, Yasutomi Higashikuni, Yoichiro Hirata, Sachiko Nishimoto, Shusuke Yagi, Hirotsugu Yamada, Takeshi Soeki, Tetsuzo Wakatsuki, Yutaka Taketani, Michio Shimabukuro, Masataka Sata
BACKGROUND AND AIMS: Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are major components of n-3 polyunsaturated fatty acids (n-3 PUFAs) which inhibit atherogenesis, although few studies have examined the effects of the combination of EPA and DHA on atherogenesis. The aim of this study was to investigate whether DHA has additional anti-atherosclerotic effects when combined with EPA. METHODS: Male 8-week-old apolipoprotein E-deficient (Apoe(-/-)) mice were fed a western-type diet supplemented with different amounts of EPA and DHA; EPA (2...
October 5, 2016: Atherosclerosis
Miwa Higashiarakawa, Tetsuo Hirata, Teruhisa Tanaka, Gretchen Parrott, Tetsu Kinjo, Hidekatsu Naka, Akira Hokama, Jiro Fujita
Infections with parasites, such as Strongyloides stercoralis, typically cause elevated levels of serum immunoglobulin E (IgE) and eosinophils; however, co-infection with human T cell lymphotropic virus type 1 (HTLV-1) can cause lower levels of serum IgE during S. stercoralis infection. We conducted this study to determine whether serum IgE levels and eosinophil counts could also be related to other patient characteristics or symptoms. Between 1991 and 2014, we measured and compared the symptoms of 237 patients and evaluated serum IgE levels and eosinophil counts of 199 patients who were infected with S...
October 12, 2016: Parasitology International
Hideki Urano, Katsuyuki Iwatsuki, Michiro Yamamoto, Tetsuro Ohnisi, Shigeru Kurimoto, Nobuyuki Endo, Hitoshi Hirata
We developed a novel hydrogel derived from sodium carboxymethylcellulose (CMC) in which phosphatidylethanolamine (PE) was introduced into the carboxyl groups of CMC to prevent perineural adhesions. This hydrogel has previously shown excellent anti-adhesive effects even after aggressive internal neurolysis in a rat model. Here, we confirmed the effects of the hydrogel on morphological and physiological recovery after nerve decompression. We prepared a rat model of chronic sciatic nerve compression using silicone tubing...
2016: PloS One
Yuki Fujihara, Masahiro Tatebe, Nasa Fujihara, Hiromasa Tanaka, Hitoshi Hirata
OBJECTIVE: The aim of this study was to verify the use of initial plain radiographs, specifically the presence of a longitudinal crack on the olecranon, for diagnosing olecranon occult fractures in children. METHODS: We retrospectively reviewed all patients younger than 16 years who were diagnosed with proximal radial fractures treated at our hospital between April 1, 2006 and September 31, 2014. We included 22 patients (9 boys and 13 girls) with a mean age of 8...
October 6, 2016: Pediatric Emergency Care
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