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https://www.readbyqxmd.com/read/28227854/3d-reconstruction-of-cochlea-using-optical-coherence-tomography
#1
Tuukka Karvonen, Yuki Uranishi, Tatsunori Sakamoto, Yosuke Tona, Kazuya Okamoto, Hiroshi Tamura, Tomohiro Kuroda, Tuukka Karvonen, Yuki Uranishi, Tatsunori Sakamoto, Yosuke Tona, Kazuya Okamoto, Hiroshi Tamura, Tomohiro Kuroda, Yuki Uranishi, Hiroshi Tamura, Tatsunori Sakamoto, Yosuke Tona, Tomohiro Kuroda, Kazuya Okamoto, Tuukka Karvonen
Recently, in vivo visualization of the cochlea and the smaller structures inside of it has been achieved by optical coherence tomography (OCT). This makes it possible to use OCT imaging for diagnosis of diseases such as Meniere's disease through measuring the degree of endolymphatic hydrops. To this end, we present a novel method for 3D segmentation of these cochlear OCT images that is based on superpixels and diffusion maps. The method takes as input grayscale volumetric OCT images and outputs a binary image with the segmented cochlea...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227779/revealing-oral-medication-patterns-from-reconstructed-long-term-medication-history-of-type-2-diabetes
#2
Purnomo Husnul Khotimah, Yuichi Sugiyama, Masatoshi Yoshikawa, Akihiro Hamasaki, Kazuya Okamoto, Tomohiro Kuroda, Purnomo Husnul Khotimah, Yuichi Sugiyama, Masatoshi Yoshikawa, Akihiro Hamasaki, Kazuya Okamoto, Tomohiro Kuroda, Kazuya Okamoto, Purnomo Husnul Khotimah, Yuichi Sugiyama, Akihiro Hamasaki, Masatoshi Yoshikawa, Tomohiro Kuroda
With the growing attention to evidence-based medical guideline development, longitudinal analysis of Electronic Medical Records (EMR) has become a good tool for providing insight into and new knowledge on the existing therapy. For chronic diseases, longitudinal analysis of medication history plays a key role in reaching this goal. However, raw medication data in EMR are not suitable for longitudinal analysis for several reasons. First, many prescriptions have a short duration. Second, the prescription duration may have a gap or overlap with other prescription durations...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227730/prototyping-context-aware-nursing-support-mobile-system
#3
Misa Esashi, Tomohiro Nakano, Nao Onose, Kikue Sato, Tomoko Hikita, Reiko Hoya, Kazuya Okamoto, Naoki Ohboshi, Tomohiro Kuroda, Misa Esashi, Tomohiro Nakano, Nao Onose, Kikue Sato, Tomoko Hikita, Reiko Hoya, Kazuya Okamoto, Naoki Ohboshi, Tomohiro Kuroda, Kikue Sato, Tomohiro Nakano, Tomoko Hikita, Naoki Ohboshi, Misa Esashi, Nao Onose, Tomohiro Kuroda, Kazuya Okamoto, Reiko Hoya
A context aware nursing support system to push right information to the right person at the right moment is the key to increase clinical safety under a computerized hospital. We prototyped a system which obtains context from positions of nurses and list of expected clinical procedures. A WoZ test showed that the proposed approach has potential to decrease incidents caused by information delivery error.
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224493/analyzing-single-molecule-fret-trajectories-using-hmm
#4
Kenji Okamoto
Structural dynamics of biomolecules, such as proteins, plays essential roles in many biological phenomena at molecular level. It is crucial to understand such dynamics in recent biology. The single-molecule Förster resonance energy transfer (smFRET) measurement is one of few methods that enable us to observe structural changes of biomolecules in realtime. Time series data of smFRET, however, typically contains significant fluctuation, making analysis difficult. On the other hand, one can often assume a Markov process behind such data so that the hidden Markov model (HMM) can be used to reproduce a state transition trajectory (STT)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28223734/early-thrombomodulin-%C3%AE-administration-outcome-for-acute-disseminated-intravascular-coagulopathy-in-gastrointestinal-surgery
#5
Hirotaka Konishi, Kazuma Okamoto, Katsutoshi Shoda, Tomohiro Arita, Toshiyuki Kosuga, Ryo Morimura, Shuhei Komatsu, Yasutoshi Murayama, Atsushi Shiozaki, Yoshiaki Kuriu, Hisashi Ikoma, Masayoshi Nakanishi, Daisuke Ichikawa, Hitoshi Fujiwara, Eigo Otsuji
AIM: To investigate the efficacy of thrombomodulin (TM)-α for treatment of disseminated intravascular coagulopathy (DIC) in the field of gastrointestinal surgery. METHODS: Thirty-six peri-operative DIC patients in the field of gastrointestinal surgery who were treated with TM-α were retrospectively investigated. The relationships between patient demographics and the efficacy of TM-α were examined. Analysis of survival at 28 d was also performed on some parameters by means of the Kaplan-Meier method...
February 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28223710/high-intensity-aerobic-exercise-improves-both-hepatic-fat-content-and-stiffness-in-sedentary-obese-men-with-nonalcoholic-fatty-liver-disease
#6
Sechang Oh, Rina So, Takashi Shida, Tomoaki Matsuo, Bokun Kim, Kentaro Akiyama, Tomonori Isobe, Yoshikazu Okamoto, Kiyoji Tanaka, Junichi Shoda
We compared the effects of 12-week programs of resistance training (RT), high-intensity interval aerobic training (HIAT), and moderate-intensity continuous aerobic training (MICT). The primary goal was to evaluate the therapeutic effects of the exercise modalities for the management of nonalcoholic fatty liver disease (NAFLD). A total of 61 sedentary obese men with NAFLD were randomized into one of the following exercise regimens (RT, HIAT, or MICT). Hepatic fat content was decreased to a similar extent in the RT, HIAT, and MICT groups (-14...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28220066/modulation-of-auditory-evoked-magnetic-fields-elicited-by-successive-frequency-modulated-fm-sweeps
#7
Hidehiko Okamoto, Ryusuke Kakigi
In our daily life, we are successively exposed to frequency-modulated (FM) sounds that play an important role in speech and species-specific communication. Previous studies demonstrated that repetitive exposure to identical pure tones resulted in decreased neural activity. However, the effects of repetitively presented FM sounds on neural activity in the human auditory cortex remain unclear. In the present study, we used magnetoencephalography to investigate auditory evoked N1m responses elicited by four successive temporally repeated and superimposed FM sweeps in three sequences: (1) four FM sweeps were identical, (2) four FM sweeps had the same FM direction and rate, but different carrier frequencies, (3) four FM sweeps differed with respect to the FM rate and/or direction and their carrier frequencies...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28219617/techniques-and-outcomes-of-emergency-airway-management-in-japan-an-analysis-of-two-multicentre-prospective-observational-studies-2010-2016
#8
Yukari Goto, Tadahiro Goto, Yusuke Hagiwara, Yusuke Tsugawa, Hiroko Watase, Hiroshi Okamoto, Kohei Hasegawa
OBJECTIVES: Continuous surveillance of emergency airway management practice is imperative in improving quality of care and patient safety. We aimed to investigate the changes in the practice of emergency airway management and the related outcomes in the emergency departments (EDs) in Japan. METHODS: We conducted an analysis of the data from two prospective, observational, multicentre registries of emergency airway management-the Japanese Emergency Airway Network (JEAN)-1 and -2 Registries from April 2010 through May 2016...
February 17, 2017: Resuscitation
https://www.readbyqxmd.com/read/28214585/preparation-and-biocompatibility-of-a-chitin-nanofiber-gelatin-composite-film
#9
Yoko Ogawa, Kazuo Azuma, Hironori Izawa, Minoru Morimoto, Kosuke Ochi, Tomohiro Osaki, Norihiko Ito, Yoshiharu Okamoto, Hiroyuki Saimoto, Shinsuke Ifuku
The development of chitin-based materials with favorable mechanical properties and biocompatibility is an important research goal owing to the wide-ranging practical applications. In this study, a composite film was prepared using chitin nanofibers and gelatin. The CNF/gelatin composite film was highly viscous and had a fine nanofiber structure. The transmittances indicated high transparency, regardless of nanofiber content. The water content of the CNF/gelatin composite film increased linearly as the gelatin content increased...
February 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28214137/japanese-guidelines-for-allergic-rhinitis-2017
#10
REVIEW
Kimihiro Okubo, Yuichi Kurono, Keiichi Ichimura, Tadao Enomoto, Yoshitaka Okamoto, Hideyuki Kawauchi, Harumi Suzaki, Shigeharu Fujieda, Keisuke Masuyama
Like asthma and atopic dermatitis, allergic rhinitis is an allergic disease, but of the three, it is the only type I allergic disease. Allergic rhinitis includes pollinosis, which is intractable and reduces quality of life (QOL) when it becomes severe. A guideline is needed to understand allergic rhinitis and to use this knowledge to develop a treatment plan. In Japan, the first guideline was prepared after a symposium held by the Japanese Society of Allergology in 1993. The current 8th edition was published in 2016, and is widely used today...
February 14, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28213009/immunohistochemical-detection-of-mtap-and-bap1-protein-loss-for-mesothelioma-diagnosis-comparison-with-9p21-fish-and-bap1-immunohistochemistry
#11
Tomoyuki Hida, Makoto Hamasaki, Shinji Matsumoto, Ayuko Sato, Tohru Tsujimura, Kunimitsu Kawahara, Akinori Iwasaki, Tatsuro Okamoto, Yoshinao Oda, Hiroshi Honda, Kazuki Nabeshima
OBJECTIVES: Differentiating malignant pleural mesothelioma (MPM) from reactive mesothelial hyperplasia (RMH) is still challenging. Detection of homozygous deletion (HD) of 9p21 region including p16(INK4A) (p16) by fluorescence in situ hybridization (FISH) and immunohistochemical detection of loss of BRCA1 associated protein 1 (BAP1), are reliable markers for MPM diagnosis. However, not all laboratories are equipped to perform 9p21 FISH; immunohistochemistry (IHC) is a more common and feasible technique...
February 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28213003/the-expression-of-pd-l1-protein-as-a-prognostic-factor-in-lung-squamous-cell-carcinoma
#12
Kazuki Takada, Tatsuro Okamoto, Gouji Toyokawa, Yuka Kozuma, Taichi Matsubara, Naoki Haratake, Takaki Akamine, Shinkichi Takamori, Masakazu Katsura, Fumihiro Shoji, Yoshinao Oda, Yoshihiko Maehara
BACKGROUND: Programmed cell death-1 (PD-1)/programmed cell death-ligand 1 (PD-L1) pathway-targeted immunotherapy has become the standard option of care in the management of lung cancer. The expression of the PD-L1 protein in lung cancer is expected to be a prognostic factor or to predict the response to PD-1-blocking antibodies. However, the association between PD-L1 positivity and the clinicopathological features and patient outcomes in lung squamous cell carcinoma (SCC) remains unclear because the definitive cut-off value for the expression of PD-L1 protein remains to be established...
February 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28211732/time-reversal-measurement-of-the-p-wave-cross-sections-of-the-7-be-n-%C3%AE-4-he-reaction-for-the-cosmological-li-problem
#13
T Kawabata, Y Fujikawa, T Furuno, T Goto, T Hashimoto, M Ichikawa, M Itoh, N Iwasa, Y Kanada-En'yo, A Koshikawa, S Kubono, E Miyawaki, M Mizuno, K Mizutani, T Morimoto, M Murata, T Nanamura, S Nishimura, S Okamoto, Y Sakaguchi, I Sakata, A Sakaue, R Sawada, Y Shikata, Y Takahashi, D Takechi, T Takeda, C Takimoto, M Tsumura, K Watanabe, S Yoshida
The cross sections of the ^{7}Be(n,α)^{4}He reaction for p-wave neutrons were experimentally determined at E_{c.m.}=0.20-0.81  MeV slightly above the big bang nucleosynthesis (BBN) energy window for the first time on the basis of the detailed balance principle by measuring the time-reverse reaction. The obtained cross sections are much larger than the cross sections for s-wave neutrons inferred from the recent measurement at the n_TOF facility in CERN, but significantly smaller than the theoretical estimation widely used in the BBN calculations...
February 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28211132/comparison-of-left-atrial-voltage-between-sinus-rhythm-and-atrial-fibrillation-in-association-with-electrogram-wave-form
#14
Masaharu Masuda, Masashi Fujita, Osamu Iida, Shin Okamoto, Takayuki Ishihara, Kiyonori Nanto, Takashi Kanda, Akihiro Sunaga, Takuya Tsujimura, Yasuhiro Matsuda, Takuya Ohashi, Masaaki Uematsu
BACKGROUND: The efficacy of low-voltage-guided ablation in addition to pulmonary vein (PV) isolation for atrial fibrillation (AF) has been reported with voltage mapping being performed during sinus rhythm (SR) or AF. The study aimed to compare the left atrial voltage between SR and AF in association with the electrogram wave form. METHODS: This prospective observational study included 30 consecutive patients with persistent AF. After completion of PV isolation, electrogram points were taken during both SR and AF at the identical locations evenly throughout the left atrium...
February 16, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28210268/protective-effect-of-daikenchuto-on-dextran-sulfate-sodium-induced-colitis-in-mice
#15
Takaharu Matsunaga, Shinichi Hashimoto, Naoki Yamamoto, Ryo Kawasato, Tomohiro Shirasawa, Atsushi Goto, Koichi Fujisawa, Taro Takami, Takeshi Okamoto, Jun Nishikawa, Isao Sakaida
Aim. To investigate the effect of daikenchuto (TJ-100; DKT) for ulcerative colitis (UC) model mouse and assess its anti-inflammatory mechanisms. Methods. We evaluated the effects of DKT on dextran sulfate sodium- (DSS-) induced experimental colitis. First, we assessed the short-term effects of DKT using two groups: 5% DSS group and 5% DSS with DKT group. Colon length; histological scores; and interleukin- (IL-) 10, IL-1β, and tumor necrosis factor-α mRNA expression profiles were analyzed using real-time PCR...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28209324/japanese-guidelines-for-allergic-conjunctival-diseases-2017
#16
REVIEW
Etsuko Takamura, Eiichi Uchio, Nobuyuki Ebihara, Shigeaki Ohno, Yuichi Ohashi, Shigeki Okamoto, Naoki Kumagai, Yoshiyuki Satake, Jun Shoji, Yayoi Nakagawa, Kenichi Namba, Kazumi Fukagawa, Atsuki Fukushima, Hiroshi Fujishima
The definition, classification, pathogenesis, test methods, clinical findings, criteria for diagnosis, and therapies of allergic conjunctival disease are summarized based on the Guidelines for Clinical Management of Allergic Conjunctival Disease (Second Edition) revised in 2010. Allergic conjunctival disease is defined as "a conjunctival inflammatory disease associated with a Type I allergy accompanied by some subjective or objective symptoms." Allergic conjunctival disease is classified into allergic conjunctivitis, atopic keratoconjunctivitis, vernal keratoconjunctivitis, and giant papillary conjunctivitis...
February 10, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28208222/a-case-of-aggressive-solid-pseudopapillary-neoplasm-comparison-of-clinical-and-pathologic-features-with-non-aggressive-cases
#17
Yukihiro Watanabe, Kojun Okamoto, Katsuya Okada, Masayasu Aikawa, Isamu Koyama, Hiroshi Yamaguchi
Solid pseudopapillary neoplasms (SPNs) may have an aggressive clinical course, but clinical predictors of this condition have not been thoroughly evaluated. We performed a retrospective study of 11 cases of SPN managed in our hospital between January 2007 and April 2015. Of these 11 cases, we encountered a single case with an aggressive clinical course. Histological, immunohistochemical, and clinical features were compared to identify predictors of poor prognosis. The 11 patients comprised four women and seven men with a median age of 41 years (range, 26-58 years)...
February 16, 2017: Pathology International
https://www.readbyqxmd.com/read/28205564/elevated-serum-interferon-%C3%AE-induced-protein-10-kda-is-associated-with-tafro-syndrome
#18
Noriko Iwaki, Yuka Gion, Eisei Kondo, Mitsuhiro Kawano, Taro Masunari, Hiroshi Moro, Koji Nikkuni, Kazue Takai, Masao Hagihara, Yuko Hashimoto, Kenji Yokota, Masataka Okamoto, Shinji Nakao, Tadashi Yoshino, Yasuharu Sato
Multicentric Castleman disease (MCD) is a heterogeneous lymphoproliferative disorder. It is characterized by inflammatory symptoms, and interleukin (IL)-6 contributes to the disease pathogenesis. Human herpesvirus 8 (HHV-8) often drives hypercytokinemia in MCD, although the etiology of HHV-8-negative MCD is idiopathic (iMCD). A distinct subtype of iMCD that shares a constellation of clinical features including thrombocytopenia (T), anasarca (A), fever (F), reticulin fibrosis (R), and organomegaly (O) has been reported as TAFRO-iMCD, however the differences in cytokine profiles between TAFRO-iMCD and iMCD have not been established...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28205112/autochthonous-sporadic-acute-hepatitis-e-caused-by-two-distinct-subgenotype-3b-hepatitis-e-virus-strains-with-only-90-nucleotide-identity
#19
Yasuko Yamaguchi, Hitoshi Takagi, Yuhei Suzuki, Kyoko Maruhashi, Takashi Kosone, Satoru Kakizaki, Ken Sato, Masanobu Yamada, Shigeo Nagashima, Masaharu Takahashi, Hiroaki Okamoto
Hepatitis E, which is caused by hepatitis E virus (HEV), is a public health concern in Japan, where the zoonotic food-borne transmission of HEV from domestic pigs and wild boars plays an important role. A 44-year-old Japanese man with autochthonous sporadic acute hepatitis E was admitted with general fatigue and moderate liver dysfunction. In the present study, two distinct HEV strains were recovered from the patient, who had consumed the raw or undercooked pig liver and intestine two or three times per week for 3 months before the disease onset...
February 15, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28203197/a-case-of-syphilitic-uveitis-in-which-vitreous-surgery-was-useful-for-the-diagnosis-and-treatment
#20
Takatoshi Kobayashi, Chihiro Katsumura, Hiromi Shoda, Nanae Takai, Sayako Takeda, Takako Okamoto, Koichi Maruyama, Rei Tada, Kensuke Tajiri, Teruyo Kida, Tsunehiko Ikeda
PURPOSE: To report a case of atypical syphilitic uveitis complicated with retinal vasculitis, proliferative retinopathy, and vitreous hemorrhage in which vitreous surgery was useful for the diagnosis and treatment. CASE REPORT: A 38-year-old female was referred to our hospital after noticing visual disturbance in her right eye. Fundoscopy examination of that eye revealed retinal phlebitis accompanied by retinal hemorrhage and soft exudate, and remarkable exudative changes in the retinal vessels from the upper arcade to the macula region...
January 2017: Case Reports in Ophthalmology
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