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Masahiro Hashizume

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https://www.readbyqxmd.com/read/28717138/airborne-bacterial-communities-in-three-east-asian-cities-of-china-south-korea-and-japan
#1
Jae Young Lee, Eun Ha Park, Sunghee Lee, GwangPyo Ko, Yasushi Honda, Masahiro Hashizume, Furong Deng, Seung-Muk Yi, Ho Kim
The global diversity of airborne bacteria has not yet been studied, despite its importance in human health and climate change. Here, we focused on the diversity of airborne bacteria and their correlations with meteorological/environmental conditions in China, South Korea, and Japan. Beijing (China) had more diverse airborne bacteria, followed by Seoul (South Korea) and Nagasaki (Japan), and seasonal variations were observed. Beijing and Seoul had more diverse airborne bacteria during the winter, whereas Nagasaki showed greater diversity during the summer...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28686555/heat-related-mortality-in-japan-after-the-2011-fukushima-disaster-an-analysis-of-potential-influence-of-reduced-electricity-consumption
#2
Yoonhee Kim, Antonio Gasparrini, Masahiro Hashizume, Yasushi Honda, Chris Fook Sheng Ng, Ben Armstrong
BACKGROUND: In March 2011, the Great East Japan Earthquake devastated several power stations and caused severe electricity shortages. This accident was followed by the implementation of policies to reduce summer electricity consumption in the affected areas, for example, by limiting air-conditioning (AC) use. This provided a natural experimental scenario to investigate if these policies were associated with an increase in heat-related mortality. OBJECTIVES: We examined whether the reduced electricity consumption in warm season modified heat-related mortality from 2008 to 2012...
July 6, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28670335/clinical-features-of-outpatients-with-somatization-symptoms-treated-at-a-japanese-psychosomatic-medicine-clinic
#3
Yuzo Nakamura, Takeaki Takeuchi, Kazuaki Hashimoto, Masahiro Hashizume
BACKGROUND: Somatization is produced due to the summation of psychological factors, irrespective of the presence or absence of physical factors. A group of diseases with severe pain and other disorders exhibit so-called Medically Unexplained Symptoms (MUS), and the characteristics of patients with MUS are largely unexplained. In this paper, the characteristics of a series of new patients with somatization treated in a Japanese university hospital are discussed. METHOD: The subjects were 871 patients who newly visited the Department of Psychosomatic Medicine, Toho University Omori Medical Center between January and December of 2015...
2017: BioPsychoSocial Medicine
https://www.readbyqxmd.com/read/28650648/indian-ocean-dipole-and-cryptosporidiosis-in-australia-short-term-and-nonlinear-associations
#4
Aparna Lal, Masahiro Hashizume, Simon Hales
The Indian Ocean Dipole (IOD) is a global climate phenomenon that influences the spread of human infectious diseases through climate extremes including droughts and floods. The Dipole Mode Index (DMI), which measures the strength of the IOD, is one of the main indicators of rainfall variability across Australia. Using an ecological, time-series approach we examined the short-term and nonlinear relationship between the DMI and weekly cryptosporidiosis reported from 2001 to 2012 across the temperate, subtropical, and tropical climate zones in Australia, controlling for season, long-term trends, and cryptosporidiosis counts from the past week...
June 26, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28555071/seasonally-lagged-effects-of-climatic-factors-on-malaria-incidence-in-south-africa
#5
Takayoshi Ikeda, Swadhin K Behera, Yushi Morioka, Noboru Minakawa, Masahiro Hashizume, Ataru Tsuzuki, Rajendra Maharaj, Philip Kruger
Globally, malaria cases have drastically dropped in recent years. However, a high incidence of malaria remains in some sub-Saharan African countries. South Africa is mostly malaria-free, but northeastern provinces continue to experience seasonal outbreaks. Here we investigate the association between malaria incidence and spatio-temporal climate variations in Limpopo. First, dominant spatial patterns in malaria incidence anomalies were identified using self-organizing maps. Composite analysis found significant associations among incidence anomalies and climate patterns...
May 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28444109/temporal-changes-in-mortality-related-to-extreme-temperatures-for-15-cities-in-northeast-asia-adaptation-to-heat-and-maladaptation-to-cold
#6
Yeonseung Chung, Heesang Noh, Yasushi Honda, Masahiro Hashizume, Michelle L Bell, Yue-Liang Leon Guo, Ho Kim
Understanding how the temperature-mortality association worldwide changes over time is crucial to addressing questions of human adaptation under climate change. Previous studies investigated the temporal changes in the association over a few discrete time frames or assumed a linear change. Also, most studies focused on attenuation of heat-related mortality and studied the United States or Europe. This research examined continuous temporal changes (potentially nonlinear) in mortality related to extreme temperature (both heat and cold) for 15 cities in Northeast Asia (1972-2009)...
May 15, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28406248/sensory-defects-and-developmental-delay-among-children-with-congenital-rubella-syndrome
#7
Michiko Toizumi, Giang Thi Huong Nguyen, Hideki Motomura, Thanh Huu Nguyen, Enga Pham, Ken-Ichi Kaneko, Masafumi Uematsu, Hien Anh Thi Nguyen, Duc Anh Dang, Masahiro Hashizume, Lay-Myint Yoshida, Hiroyuki Moriuchi
This study investigated the features of developmental difficulties combined with sensory defects in children with congenital rubella syndrome (CRS). Following a large rubella outbreak in Khanh Hoa Province, Vietnam, in 2011, we enrolled 41 children with CRS from September 2011 through May 2013. Fourteen participants died and six became untraceable by October 2013; the remaining 21 children were followed up from 2013 to 2015. Thirteen and seven participants had hearing and functional ophthalmological impairment, respectively...
April 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28003673/shortening-oblique-osteotomy-with-screw-fixation-for-correction-of-the-lesser-metatarsophalangeal-joints-of-rheumatoid-forefoot
#8
Keiichiro Nishida, Takahiro Machida, Masahiro Horita, Kenzo Hashizume, Ryuichi Nakahara, Yoshihisa Nasu, Hideki Ohashi, Kenta Saiga, Toshifumi Ozaki
The metatarsophalangeal (MTP) joints are often and predominantly affected in rheumatoid arthritis. The aim of the current study was to describe surgical techniques of shortening oblique osteotomy for lesser metatarsal bone with screw fixation at the osteotomy site, and to investigate the short-term clinical outcomes of our procedure. Twenty-seven feet (78 toes) of 24 RA patients underwent the shortening oblique osteotomy for the correction of deformity at the lesser MTP joints. The average Japanese Society of Surgery of the Foot (JSSF) standard rating system for the RA foot and ankle scale improved significantly from 59...
December 2016: Acta Medica Okayama
https://www.readbyqxmd.com/read/27893089/photoacoustic-mammography-capable-of-simultaneously-acquiring-photoacoustic-and-ultrasound-images
#9
Yasufumi Asao, Yohei Hashizume, Takahiro Suita, Ken-Ichi Nagae, Kazuhiko Fukutani, Yoshiaki Sudo, Toshikazu Matsushita, Shuichi Kobayashi, Mariko Tokiwa, Iku Yamaga, Elham Fakhrejahani, Masae Torii, Masahiro Kawashima, Masahiro Takada, Shotaro Kanao, Masako Kataoka, Tsuyoshi Shiina, Masakazu Toi
No abstract text is available yet for this article.
November 1, 2016: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/27833062/seasonal-analysis-of-the-short-term-effects-of-air-pollution-on-daily-mortality-in-northeast-asia
#10
Satbyul Estella Kim, Yasushi Honda, Masahiro Hashizume, Haidong Kan, Youn-Hee Lim, Hyewon Lee, Clara Tammy Kim, Seung-Muk Yi, Ho Kim
The constituents and concentrations of pollutants, individual exposures, and biologic responses to air pollution may vary by season and meteorological conditions. However, evidence regarding seasonality of the acute effects of air pollution on mortality is limited and inconsistent. Herein, we examined seasonal patterns in the short-term associations of particulate matter (PM) smaller than 10μm (PM10) with daily mortality in 29 cities of three northeast Asian countries. Stratified time-series models were used to determine whether season altered the effect of PM10 on mortality...
January 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27771246/protective-effects-of-estrogen-against-vascular-calcification-via-estrogen-receptor-%C3%AE-dependent-growth-arrest-specific-gene-6-transactivation
#11
Michiko Nanao-Hamai, Bo-Kyung Son, Tsuyoshi Hashizume, Sumito Ogawa, Masahiro Akishita
Vascular calcification is one of the major complications of cardiovascular disease and is an independent risk factor for myocardial infarction and cardiac death. Postmenopausal women have a higher prevalence of vascular calcification compared with premenopausal women, suggesting protective effects of estrogen (E2). However, the underlying mechanisms of its beneficial effects remain unclear. In the present study, we examined the inhibitory effects of E2 on vascular smooth muscle cell (VSMC) calcification, and found that growth arrest-specific gene 6 (Gas6), a crucial molecule in vascular calcification, is transactivated by estrogen receptor α (ERα) in response to E2...
November 18, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27746294/molecular-evolution-of-respiratory-syncytial-virus-subgroup-a-genotype-na1-and-on1-attachment-glycoprotein-g-gene-in-central-vietnam
#12
Keisuke Yoshihara, Minh Nhat Le, Koo Nagasawa, Hiroyuki Tsukagoshi, Hien Anh Nguyen, Michiko Toizumi, Hiroyuki Moriuchi, Masahiro Hashizume, Koya Ariyoshi, Duc Anh Dang, Hirokazu Kimura, Lay-Myint Yoshida
We performed molecular evolutionary analyses of the G gene C-terminal 3rd hypervariable region of RSV-A genotypes NA1 and ON1 strains from the paediatric acute respiratory infection patients in central Vietnam during the 2010-2012 study period. Time-scaled phylogenetic analyses were performed using Bayesian Markov Chain Monte Carlo (MCMC) method, and pairwise distances (p-distances) were calculated. Bayesian Skyline Plot (BSP) was constructed to analyze the time-trend relative genetic diversity of central Vietnam RSV-A strains...
November 2016: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/27628555/-a-case-of-her2-positive-stage-iv-advanced-gastric-cancer-treated-with-chemotherapy-combined-with-trastuzumab
#13
Kai Takaya, Ryosuke Takahashi, Satoru Honma, Shinichiro Horii, Hirokazu Takahashi, Motohisa Hagiwara, Masahiro Chin, Eiji Hashizume
We report a case of human epidermal growth factor receptor(HER)2 positive stage IV advanced gastric cancer successfully treated with chemotherapy combined with trastuzumab. A 50-year-old man was diagnosed with type 3 gastric cancer complicated by liver and lymph node metastases. Owing to a HER2 immunohistochemistry tumor score of 3+, we initiated capecitabine plus CDDP plus trastuzumab chemotherapy. After 6 chemotherapy courses, computed tomography showed the liver metastasis had disappeared and the paraaortic lymph nodes had shrunk...
September 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/27553707/monosynaptic-facilitation-of-group-i-afferents-between-brachioradialis-and-extensor-carpi-radialis-in-humans
#14
Katsuhiro Shinozaki, Mitsuhiro Nito, Shinji Kobayashi, Masahiro Hayashi, Takuji Miyasaka, Wataru Hashizume, Masaomi Shindo, Akira Naito
Spinal reflex arcs mediated by low-threshold (group I) afferents from muscle spindles and Golgi tendon organs modulate motoneuron excitabilities to coordinate smooth movements. In this study, the reflex arcs between the brachioradialis (BR) and extensor carpi radialis muscles (ECR) were examined in nine healthy human subjects using a post-stimulus time-histogram method. Electrical conditioning stimuli (ES) to the radial nerve branches innervating BR (BR nerve) and ECR (ECR nerve) with the intensity just below the motor threshold were delivered and firings of the ECR and BR motor units were recorded in 6 and 7 of the nine subjects, respectively...
January 2017: Neuroscience Research
https://www.readbyqxmd.com/read/27524928/associations-between-malaria-and-local-and-global-climate-variability-in-five-regions-in-papua-new-guinea
#15
Chisato Imai, Hae-Kwan Cheong, Ho Kim, Yasushi Honda, Jin-Hee Eum, Clara T Kim, Jin Seob Kim, Yoonhee Kim, Swadhin K Behera, Mohd Nasir Hassan, Joshua Nealon, Hyenmi Chung, Masahiro Hashizume
BACKGROUND: Malaria is a significant public health issue in Papua New Guinea (PNG) as the burden is among the highest in Asia and the Pacific region. Though PNG's vulnerability to climate change and sensitivity of malaria mosquitoes to weather are well-documented, there are few in-depth epidemiological studies conducted on the potential impacts of climate on malaria incidence in the country. METHODS: This study explored what and how local weather and global climate variability impact on malaria incidence in five regions of PNG...
2016: Tropical Medicine and Health
https://www.readbyqxmd.com/read/27485898/diarrheal-diseases-and-climate-change-in-cambodia
#16
Lachlan J McIver, Chisato Imai, Petra G Buettner, Paul Gager, Vibol S Chan, Masahiro Hashizume, Steven N Iddings, Hero Kol, Piseth P Raingsey, K Lyne
The DRIP-SWICCH (Developing Research and Innovative Policies Specific to the Water-related Impacts of Climate Change on Health) project aimed to increase the resilience of Cambodian communities to the health risks posed by climate change-related impacts on water. This article follows a review of climate change and water-related diseases in Cambodia and presents the results of a time series analysis of monthly weather and diarrheal disease data for 11 provinces. In addition, correlations of diarrheal disease incidence with selected demographic, socioeconomic, and water and sanitation indicators are described, with results suggesting education and literacy may be most protective against disease...
October 2016: Asia-Pacific Journal of Public Health
https://www.readbyqxmd.com/read/27398063/new-era-for-tropical-medicine-and-health
#17
Masahiro Hashizume
No abstract text is available yet for this article.
2016: Tropical Medicine and Health
https://www.readbyqxmd.com/read/27374138/the-tohoku-medical-megabank-project-design-and-mission
#18
Shinichi Kuriyama, Nobuo Yaegashi, Fuji Nagami, Tomohiko Arai, Yoshio Kawaguchi, Noriko Osumi, Masaki Sakaida, Yoichi Suzuki, Keiko Nakayama, Hiroaki Hashizume, Gen Tamiya, Hiroshi Kawame, Kichiya Suzuki, Atsushi Hozawa, Naoki Nakaya, Masahiro Kikuya, Hirohito Metoki, Ichiro Tsuji, Nobuo Fuse, Hideyasu Kiyomoto, Junichi Sugawara, Akito Tsuboi, Shinichi Egawa, Kiyoshi Ito, Koichi Chida, Tadashi Ishii, Hiroaki Tomita, Yasuyuki Taki, Naoko Minegishi, Naoto Ishii, Jun Yasuda, Kazuhiko Igarashi, Ritsuko Shimizu, Masao Nagasaki, Seizo Koshiba, Kengo Kinoshita, Soichi Ogishima, Takako Takai-Igarashi, Teiji Tominaga, Osamu Tanabe, Noriaki Ohuchi, Toru Shimosegawa, Shigeo Kure, Hiroshi Tanaka, Sadayoshi Ito, Jiro Hitomi, Kozo Tanno, Motoyuki Nakamura, Kuniaki Ogasawara, Seiichiro Kobayashi, Kiyomi Sakata, Mamoru Satoh, Atsushi Shimizu, Makoto Sasaki, Ryujin Endo, Kenji Sobue, The Tohoku Medical Megabank Project Study Group, Masayuki Yamamoto
The Great East Japan Earthquake (GEJE) and resulting tsunami of March 11, 2011 gave rise to devastating damage on the Pacific coast of the Tohoku region. The Tohoku Medical Megabank Project (TMM), which is being conducted by Tohoku University Tohoku Medical Megabank Organization (ToMMo) and Iwate Medical University Iwate Tohoku Medical Megabank Organization (IMM), has been launched to realize creative reconstruction and to solve medical problems in the aftermath of this disaster. We started two prospective cohort studies in Miyagi and Iwate Prefectures: a population-based adult cohort study, the TMM Community-Based Cohort Study (TMM CommCohort Study), which will recruit 80 000 participants, and a birth and three-generation cohort study, the TMM Birth and Three-Generation Cohort Study (TMM BirThree Cohort Study), which will recruit 70 000 participants, including fetuses and their parents, siblings, grandparents, and extended family members...
September 5, 2016: Journal of Epidemiology
https://www.readbyqxmd.com/read/27306333/association-of-rsv-a-on1-genotype-with-increased-pediatric-acute-lower-respiratory-tract-infection-in-vietnam
#19
Keisuke Yoshihara, Minh Nhat Le, Michiko Okamoto, Anita Carolle Akpeedje Wadagni, Hien Anh Nguyen, Michiko Toizumi, Enga Pham, Motoi Suzuki, Ai Thi Thuy Nguyen, Hitoshi Oshitani, Koya Ariyoshi, Hiroyuki Moriuchi, Masahiro Hashizume, Duc Anh Dang, Lay-Myint Yoshida
Since the initial discovery of RSV-A ON1 in Canada in 2010, ON1 has been reported worldwide, yet information regarding its clinical impact and severity has been controversial. To investigate the clinical relevance of RSV-A ON1,acute respiratory infection (ARI) cases enrolled to our population-based prospective pediatric ARI surveillance at Khanh Hoa General Hospital, Central Vietnam from January 2010 through December 2012 were studied. Clinical-epidemiological information and nasopharyngeal samples were collected...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27258598/temperature-variability-and-mortality-a-multi-country-study
#20
Yuming Guo, Antonio Gasparrini, Ben G Armstrong, Benjawan Tawatsupa, Aurelio Tobias, Eric Lavigne, Micheline de Sousa Zanotti Stagliorio Coelho, Xiaochuan Pan, Ho Kim, Masahiro Hashizume, Yasushi Honda, Yue Leon Guo, Chang-Fu Wu, Antonella Zanobetti, Joel D Schwartz, Michelle L Bell, Ala Overcenco, Kornwipa Punnasiri, Shanshan Li, Linwei Tian, Paulo Saldiva, Gail Williams, Shilu Tong
BACKGROUND: The evidence and method are limited for the associations between mortality and temperature variability (TV) within or between days. OBJECTIVES: We developed a novel method to calculate TV and investigated TV-mortality associations using a large multicountry data set. METHODS: We collected daily data for temperature and mortality from 372 locations in 12 countries/regions (Australia, Brazil, Canada, China, Japan, Moldova, South Korea, Spain, Taiwan, Thailand, the United Kingdom, and the United States)...
October 2016: Environmental Health Perspectives
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