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https://www.readbyqxmd.com/read/28646695/pre-polarization-fields-for-earth-s-field-nmr-fast-discharge-for-use-with-short-t1-and-large-coils
#1
Mark S Conradi, Stephen A Altobelli, Nicholas J Sowko, Susan H Conradi, Eiichi Fukushima
The sensitivity of earth's field NMR is greatly increased by the use of a pre-polarizing field Bp. When used with short T1 samples, the field must be decreased rapidly to avoid loss of the pre-polarized magnetization by relaxation. Such a rapid decrease in the field requires rapid discharge (∼10ms) of a large stored magnetic field energy (∼700J). In addition, in order that the full pre-polarized magnetization be available for the subsequent pulse sequence, the field discharge should be adiabatic. This requirement is difficult to fulfill in cases where Bp is not everywhere parallel to the earth's field, such as with a large surface coil...
June 21, 2017: Journal of Magnetic Resonance
https://www.readbyqxmd.com/read/28645951/effects-of-socioeconomic-factors-on-cardiovascular-related-symptoms-among-residents-in-fukushima-after-the-great-east-japan-earthquake-a-cross-sectional-study-using-data-from-the-fukushima-health-management-survey
#2
Wen Zhang, Tetsuya Ohira, Seiji Yasumura, Masaharu Maeda, Akira Otsuru, Mayumi Harigane, Naoko Horikoshi, Yuriko Suzuki, Hirooki Yabe, Masato Nagai, Hironori Nakano, Mayumi Hirosaki, Mayu Uemura, Hideto Takahashi, Kenji Kamiya, Shunichi Yamashita, Masafumi Abe
OBJECTIVE: To investigate the association between socioeconomic factors and the exacerbation of cardiovascular symptoms among evacuees after the Great East Japan Earthquake. METHODS: A sample of 73 433 individuals was included in the Fukushima Health Management Survey. Self-report questionnaires were used to determine the influence of socioeconomic factors including living arrangements, loss of employment and decreased income on the exacerbation of headache, dizziness, palpitations and shortness of breath...
June 23, 2017: BMJ Open
https://www.readbyqxmd.com/read/28638753/healthcare-delivery-to-a-repopulated-village-after-the-fukushima-nuclear-disaster-a-case-of-kawauchi-village-fukushima-japan
#3
Yoshitaka Nishikawa, Masaharu Tsubokura, Satoru Yamazaki
No abstract text is available yet for this article.
December 2016: Japan Medical Association Journal: JMAJ
https://www.readbyqxmd.com/read/28634885/colorimetric-determination-of-pb-2-in-perfect-aqueous-solution-using-carminic-acid-as-a-selective-chemosensor
#4
Masaru Sakamaki, Shunichi Aikawa, Yasumasa Fukushima
The commercially available natural organic dye, carminic acid (CA), an anthraquinone derivative bearing hydroxyl and carboxyl groups as recognition sites was found to be a colorimetric probe for Pb(2+) in perfect aqueous solution under neutral conditions with specific selectivity and high sensitivity. Upon addition of Pb(2+), the absorption maximum of CA showed a large red shift, and the resulted color change from red to purple could be easily identified even by the naked eye. The chemical stoichiometric ratio between CA and Pb(2+) was determined to be 1:2 through Job plot, Pb(2+) titration, and kinetic experiments...
June 21, 2017: Journal of Fluorescence
https://www.readbyqxmd.com/read/28633942/outbreak-of-immediate-type-hydrolyzed-wheat-protein-allergy-due-to-a-facial-soap-in-japan
#5
Akiko Yagami, Michiko Aihara, Zenro Ikezawa, Michihiro Hide, Reiko Kishikawa, Eishin Morita, Yuko Chinuki, Yuma Fukutomi, Atsuo Urisu, Atsuki Fukushima, Yasuharu Itagaki, Shin-Ichi Sugiura, Hiroyuki Tanaka, Reiko Teshima, Zenichiro Kato, Emiko Noguchi, Masashi Nakamura, Hirohisa Saito, Kayoko Matsunaga
No abstract text is available yet for this article.
May 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28632195/towards-a-long-term-strategy-for-voluntary-based-internal-radiation-contamination-monitoring-representativeness-of-the-monitoring-results-in-fukushima-japan
#6
Shuhei Nomura, Masaharu Tsubokura, Michio Murakami, Kyoko Ono, Yoshitaka Nishikawa, Tomoyoshi Oikawa
Following Japan's 2011 Fukushima nuclear incident, voluntary participation, rather than mandatory, was adopted as the default scenario for individual radiation monitoring. We evaluated the representativeness of the internal monitoring results from voluntary participants in Minamisoma City, which is located 10-40 km from the Fukushima nuclear plant. Of approximately 70,000 individuals who were residing in Minamisoma City before the incident, a total of 19,263 residents (aged ≥21 years) participated in the monitoring from 1 October 2011 to 31 March 2015...
June 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28632136/perinatal-mortality-after-the-fukushima-accident
#7
Alfred Korblein, Helmut Küchenhoff
This is a letter, so no abstract is needed.
June 20, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28631201/seven-esophageal-perforation-cases-after-aortic-replacement-stenting-for-thoracic-aortic-dissection-or-aneurysm
#8
Yoshihisa Yaguchi, Yoshimasa Kumata, Masahiro Horikawa, Takashi Kiyokawa, Tsuyoshi Inaba, Ryoji Fukushima
BACKGROUND: Esophageal perforation after aortic replacement/stenting for aortic dissection or aneurysm is a rare but severe complication. However, its cause, standard treatment, and prognosis are unclear. We analyzed the treatment and outcome retrospectively from seven cases experienced at our hospital. CASE PRESENTATION: The median age of the patients was 70 years (range, 41-86), and six of the seven cases were male. As the first treatment, aortic replacement techniques were performed in five, and thoracic endovascular aortic repair (TEVAR) procedure was performed in two...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28629330/breast-cancer-patient-delay-in-fukushima-japan-following-the-2011-triple-disaster-a-long-term-retrospective-study
#9
Akihiko Ozaki, Shuhei Nomura, Claire Leppold, Masaharu Tsubokura, Tetsuya Tanimoto, Takeru Yokota, Shigehira Saji, Toyoaki Sawano, Manabu Tsukada, Tomohiro Morita, Sae Ochi, Shigeaki Kato, Masahiro Kami, Tsuyoshi Nemoto, Yukio Kanazawa, Hiromichi Ohira
BACKGROUND: Little information is available concerning how patient delay may be affected by mass disasters. The main objectives of the present study are to identify whether there was a post-disaster increase in the risk of experiencing patient delay among breast cancer patients in an area affected by the 2011 triple disaster in Fukushima, Japan, and to elucidate factors associated with post-disaster patient delay. Sociodemographic factors (age, employment status, cohabitant status and evacuation status), health characteristics, and health access- and disaster-related factors were specifically considered...
June 19, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28626263/-11-c-choline-positive-but-18-f-fdg-negative-pancreatic-metastasis-from-renal-cell-carcinoma-on-pet
#10
Kazuhiro Kitajima, Kazuhito Fukushima, Shingo Yamamoto, Takashi Kato, Soichi Odawara, Haruyuki Takaki, Kaoru Kobayashi, Toshiko Yamano, Koichiro Yamakado, Yukako Nakanishi, Akihiro Kanematsu, Michio Nojima, Kazuhiro Suzumura, Etsuro Hatano, Jiro Fujimoto, Takako Kihara, Keiji Nakasho, Seiichi Hirota, Shozo Hirota
Choline is a new PET tracer, which uptake may occur via a choline-specific transporter protein and be accelerated during the proliferation of tumor cells. We report a 61-year-old woman with a metastatic pancreatic tumor from renal cell carcinoma, measuring 35×40 mm. PET scans demonstrated accumulation of (11)C-choline in the metastatic pancreatic tumor, but no accumulation of (18)F-FDG. Choline PET/CT may play a useful and complementary imaging modality, especially when FDG-PET/CT does not show expected findings or when the evaluation of tumor viability is needed, in patients with renal cell carcinoma...
February 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28626175/characteristics-and-gender-differences-in-the-medical-interview-skills-of-japanese-medical-students
#11
Akiko Sugawara, Kazunobu Ishikawa, Ryo Motoya, Gen Kobayashi, Yoko Moroi, Tetsuhito Fukushima
Objective To examine the characteristics of the communication skills of medical students, we observed their performance during introductory medical interview training with simulated patients (SPs). Methods The subjects of the present study included fifth-year medical students (male, n=180, female, n=99) who were undergoing clinical training in Japan from 2012 to 2014. Each student was assigned to one of four 10-minute clinical scenarios, which was conducted with an SP. Three or four teachers observed and assessed the performance of each of the students...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28626146/mitral-valve-structure-in-addition-to-myocardial-viability-determines-the-outcome-of-functional-mitral-regurgitation-after-coronary-artery-bypass-grafting
#12
Shohei Yoshida, Satsuki Fukushima, Shigeru Miyagawa, Teruya Nakamura, Yasushi Yoshikawa, Hiroki Hata, Shunsuke Saito, Daisuke Yoshioka, Keitaro Domae, Noriyuki Kashiyama, Kouji Yamamoto, Ayumi Shintani, Satoshi Nakatani, Koichi Toda, Yoshiki Sawa
BACKGROUND: Coronary artery bypass grafting (CABG) reduces functional mitral regurgitation (MR) associated with ischemic heart disease, although the predictive factors or mechanisms of reversibility of functional MR after CABG are not fully understood.We investigated whether mitral valve structure is associated with the outcome of functional MR after CABG.Methods and Results:From a consecutive series of 98 patients with mild-moderate functional MR preoperatively who underwent isolated CABG, we enrolled 66 patients who were followed up for >1 year postoperatively using echocardiography...
June 16, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28626126/conduct-of-occupational-health-during-major-disasters-a-comparison-of-literature-on-occupational-health-issues-in-the-world-trade-center-terrorist-attack-and-the-fukushima-nuclear-power-plant-accident
#13
Hiroyuki Toyoda, Koji Mori
Workers who respond to large-scale disasters can be exposed to health hazards that do not exist in routine work. It is assumed that learning from past cases is effective for preparing for and responding to such problems, but published information is still insufficient. Accordingly, we conducted a literature review about the health issues and occupational health activities at the World Trade Center (WTC) terrorist attack and at the Fukushima Nuclear Power Plant accident to investigate how occupational health activities during disasters should be conducted...
2017: Journal of UOEH
https://www.readbyqxmd.com/read/28625517/reduced-tdp-43-expression-improves-neuronal-activities-in-a-drosophila-model-of-perry-syndrome
#14
Yuka Hosaka, Tsuyoshi Inoshita, Kahori Shiba-Fukushima, Changxu Cui, Taku Arano, Yuzuru Imai, Nobutaka Hattori
Parkinsonian Perry syndrome, involving mutations in the dynein motor component dynactin or p150(Glued), is characterized by TDP-43 pathology in affected brain regions, including the substantia nigra. However, the molecular relationship between p150(Glued) and TDP-43 is largely unknown. Here, we report that a reduction in TDP-43 protein levels alleviates the synaptic defects of neurons expressing the Perry mutant p150(G50R) in Drosophila. Dopaminergic expression of p150(G50R), which decreases dopamine release, disrupts motor ability and reduces the lifespan of Drosophila...
June 8, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28623882/peripheral-venous-catheter-related-bloodstream-infection-is-associated-with-severe-complications-and-potential-death-a-retrospective-observational-study
#15
Akihiro Sato, Itaru Nakamura, Hiroaki Fujita, Ayaka Tsukimori, Takehito Kobayashi, Shinji Fukushima, Takeshi Fujii, Tetsuya Matsumoto
BACKGROUND: The purpose of this study was to identify the clinical characteristics and outcomes of peripheral vascular catheter-related bloodstream infections (PVC-BSIs) and determine the risk of severe complications or death. METHODS: We performed a retrospective observational study from June 2010 to April 2015 at two regional university-affiliated hospitals in Tokyo. We studied the clinical manifestations, underlying diseases, laboratory results, treatment methods, recurrence rates, and complications in 62 hospitalized patients diagnosed with PVC-BSIs by positive blood cultures...
June 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28623812/discovery-of-non-spherical-heterogeneous-radiocesium-bearing-particles-not-derived-from-unit-1-of-the-fukushima-dai-ichi-nuclear-power-plant-in-residences-five-years-after-the-accident
#16
Shogo Higaki, Yuichi Kurihara, Hiroko Yoshida, Yoshio Takahashi, Naohide Shinohara
Non-spherical heterogeneous radiocesium-bearing particles were found on masks worn during cleaning work in residences near the Fukushima Dai-ichi Nuclear Power Plant (FDNPP), from which residents had evacuated. Three slightly larger (6.6-12 μm) non-spherical radiocesium-bearing particles were found in a residence in Futaba Town, a straight distance of 2.11 km west-northwest from the FDNPP. These were collected on October 25, 2016, 5 years and 7 months after the Fukushima Dai-ichi nuclear disaster and were presumed to originate from the Plant's Unit 2 based on the measured radioactivity ratio of (134)Cs/(137)Cs...
June 14, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28623790/effect-of-topsoil-removal-and-selective-countermeasures-on-radiocesium-accumulation-in-rice-plants-in-fukushima-paddy-field
#17
Baolu Yang, Yuichi Onda, Yoshihiro Ohmori, Hitoshi Sekimoto, Toru Fujiwara, Yoshifumi Wakiyama, Kazuya Yoshimura, Junko Takahashi, Xinchao Sun
A wide area of paddy fields was contaminated by radiocesium derived from the Fukushima nuclear accident. Implement of agricultural countermeasures is one of the principle methods to reduce the contamination of rice plants. In this study, the effect of topsoil removal measure and fertilizer application on radiocesium uptake by rice plants was investigated over a four-year period. Some other available countermeasures carried out after the Fukushima nuclear accident were also summarized. The results indicate that the effect of topsoil removal measure on the accumulation of radiocesium in rice plants was effective, but the concentration ratio of radiocesium activity concentration between rice plant and soil increased...
June 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28621563/reduced-mastication-impairs-memory-function
#18
Y Fukushima-Nakayama, Takehito Ono, M Hayashi, M Inoue, H Wake, Takashi Ono, T Nakashima
Mastication is an indispensable oral function related to physical, mental, and social health throughout life. The elderly tend to have a masticatory dysfunction due to tooth loss and fragility in the masticatory muscles with aging, potentially resulting in impaired cognitive function. Masticatory stimulation has influence on the development of the central nervous system (CNS) as well as the growth of maxillofacial tissue in children. Although the relationship between mastication and cognitive function is potentially important in the growth period, the cellular and molecular mechanisms have not been sufficiently elucidated...
May 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28620753/population-pharmacokinetics-of-cyclosporine-a-in-japanese-renal-transplant-patients-comprehensive-analysis-in-a-single-center
#19
Akira Okada, Hidetaka Ushigome, Misaki Kanamori, Aya Morikochi, Hidefumi Kasai, Tadashi Kosaka, Takatoshi Kokuhu, Asako Nishimura, Nobuhito Shibata, Keizo Fukushima, Norio Yoshimura, Nobuyuki Sugioka
PURPOSE: Cyclosporine A (CyA), a potent immunosuppressive agent used in renal transplantation, has a narrow therapeutic window and a large variability in blood concentrations. This study aimed to develop a population pharmacokinetic (PPK) model of CyA in living-donor renal transplant patients at a single center and identify factors influencing CyA pharmacokinetics (PK). METHODS: A total of 660 points (preoperative) and 4785 points (postoperative) of blood concentration data from 98 patients who underwent renal transplantation were used...
June 15, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28618392/radiocesium-decontamination-of-a-riverside-in-fukushima-japan
#20
Tatsuhiro Nishikiori, Satoshi Suzuki
Extensive decontamination measures have been implemented in the area affected by the Fukushima Dai-ichi nuclear disaster. Typical decontamination measures, such as removing topsoil of several centimeters in depth, are not suitable for rivers where contaminated sediments have been deposited. A decontamination measure was tested that considered the spatial distribution of radiocesium at the lower part of a tributary of the Abukuma River in Fukushima. The radiocesium distribution in the flood channel was vertically and horizontally highly heterogeneous...
June 12, 2017: Journal of Environmental Radioactivity
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