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Masahiro Hashizume

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https://www.readbyqxmd.com/read/29659576/the-non-linear-and-lagged-short-term-relationship-between-rainfall-and-leptospirosis-and-the-intermediate-role-of-floods-in-the-philippines
#1
Naohiko Matsushita, Chris Fook Sheng Ng, Yoonhee Kim, Motoi Suzuki, Nobuo Saito, Koya Ariyoshi, Eumelia P Salva, Efren M Dimaano, Jose B Villarama, Winston S Go, Masahiro Hashizume
BACKGROUND: Leptospirosis is a worldwide bacterial zoonosis. Outbreaks of leptospirosis after heavy rainfall and flooding have been reported. However, few studies have formally quantified the effect of weather factors on leptospirosis incidence. We estimated the association between rainfall and leptospirosis cases in an urban setting in Manila, the Philippines, and examined the potential intermediate role of floods in this association. METHODS/PRINCIPAL FINDINGS: Relationships between rainfall and the weekly number of hospital admissions due to leptospirosis from 2001 to 2012 were analyzed using a distributed lag non-linear model in a quasi-Poisson regression framework, controlling for seasonally varying factors other than rainfall...
April 16, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29541834/correction-to-usefulness-of-hydrogel-coated-coils-in-embolization-of-pulmonary-arteriovenous-malformations
#2
Masashi Shimohira, Tatsuya Kawai, Takuya Hashizume, Masahiro Muto, Masanori Kitase, Yuta Shibamoto
The article "Usefulness of Hydrogel-Coated Coils in Embolization of Pulmonary Arteriovenous Malformations," written by Masashi Shimohira, Tatsuya Kawai, Takuya Hashizume, Masahiro Muto, Masanori Kitase and Yuta Shibamoto, was originally published electronically on the publisher's Internet portal (currently SpringerLink) on January 17, 2018, without open access.
March 14, 2018: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29529596/air-pollution-and-suicide-in-10-cities-in-northeast-asia-a-time-stratified-case-crossover-analysis
#3
Yoonhee Kim, Chris Fook Sheng Ng, Yeonseung Chung, Ho Kim, Yasushi Honda, Yue Leon Guo, Youn-Hee Lim, Bing-Yu Chen, Lisa A Page, Masahiro Hashizume
BACKGROUND: There is growing evidence suggesting an association between air pollution and suicide. However, previous findings varied depending on the type of air pollutant and study location. OBJECTIVES: We examined the association between air pollutants and suicide in 10 large cities in South Korea, Japan, and Taiwan. METHODS: We used a two-stage meta-analysis. First, we conducted a time-stratified case-crossover analysis to estimate the short-term association between nitrogen dioxide (NO 2 ), sulfur dioxide (SO 2 ), and particulate matter [aerodynamic diameter ≤10μm (PM10 ), aerodynamic diameter ≤2...
March 6, 2018: Environmental Health Perspectives
https://www.readbyqxmd.com/read/29415557/outcomes-of-resection-and-joint-preserving-arthroplasty-for-forefoot-deformities-for-rheumatoid-arthritis
#4
Masahiro Horita, Keiichiro Nishida, Kenzo Hashizume, Yoshihisa Nasu, Kenta Saiga, Ryuichi Nakahara, Takahiro Machida, Hideki Ohashi, Toshifumi Ozaki
BACKGROUND: We investigated the clinical outcomes of resection and joint-preserving arthroplasty for forefoot deformities in patients with rheumatoid arthritis. METHODS: Sixteen feet of 14 women (average age, 67.1 years; range, 53-82) underwent resection arthroplasty of the metatarsal head (resection group), and 18 feet of 15 women (average age, 61.3 years; range, 40-73) underwent a metatarsophalangeal joint-preserving procedure with shortening oblique metatarsal osteotomies of the lesser toes (joint preservation group)...
February 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29344712/usefulness-of-hydrogel-coated-coils-in-embolization-of-pulmonary-arteriovenous-malformations
#5
Masashi Shimohira, Tatsuya Kawai, Takuya Hashizume, Masahiro Muto, Masanori Kitase, Yuta Shibamoto
PURPOSE: To evaluate the usefulness of hydrogel-coated coils for preventing recanalization after coil embolization of pulmonary arteriovenous malformations (PAVMs). MATERIALS AND METHODS: Thirty-seven consecutive patients with 57 untreated PAVMs underwent coil embolization with hydrogel-coated coils between January 2013 and Jun 2017. The mean age was 49 years (range 9-83 years), and there were seven male patients and 30 female patients. The median size of the feeding artery was 3...
January 17, 2018: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29276803/projections-of-temperature-related-excess-mortality-under-climate-change-scenarios
#6
Antonio Gasparrini, Yuming Guo, Francesco Sera, Ana Maria Vicedo-Cabrera, Veronika Huber, Shilu Tong, Micheline de Sousa Zanotti Stagliorio Coelho, Paulo Hilario Nascimento Saldiva, Eric Lavigne, Patricia Matus Correa, Nicolas Valdes Ortega, Haidong Kan, Samuel Osorio, Jan Kyselý, Aleš Urban, Jouni J K Jaakkola, Niilo R I Ryti, Mathilde Pascal, Patrick G Goodman, Ariana Zeka, Paola Michelozzi, Matteo Scortichini, Masahiro Hashizume, Yasushi Honda, Magali Hurtado-Diaz, Julio Cesar Cruz, Xerxes Seposo, Ho Kim, Aurelio Tobias, Carmen Iñiguez, Bertil Forsberg, Daniel Oudin Åström, Martina S Ragettli, Yue Leon Guo, Chang-Fu Wu, Antonella Zanobetti, Joel Schwartz, Michelle L Bell, Tran Ngoc Dang, Dung Do Van, Clare Heaviside, Sotiris Vardoulakis, Shakoor Hajat, Andy Haines, Ben Armstrong
Background: Climate change can directly affect human health by varying exposure to non-optimal outdoor temperature. However, evidence on this direct impact at a global scale is limited, mainly due to issues in modelling and projecting complex and highly heterogeneous epidemiological relationships across different populations and climates. Methods: We collected observed daily time series of mean temperature and mortality counts for all causes or non-external causes only, in periods ranging from Jan 1, 1984, to Dec 31, 2015, from various locations across the globe through the Multi-Country Multi-City Collaborative Research Network...
December 2017: Lancet. Planetary Health
https://www.readbyqxmd.com/read/29218768/relationships-between-serum-brain-derived-neurotrophic-factor-concentration-and-parameters-for-health-scores-in-community-dwelling-older-adults
#7
Mitsugu Hachisu, Masahiro Hashizume, Hisashi Kawai, Hirohiko Hirano, Motonaga Kojima, Yoshinori Fujiwara, Shuichi Obuchi, Kazushige Ihara
AIM: Brain-derived neurotrophic factor (BDNF) have been implicated in the progression of neuronal survival, phenotyping differentiation and maintenance of various neurons, as well as neurogenesis. We studied how BDNF affects health parameters of older adults by carrying out a health examination of community-dwelling older adults. METHODS: We measured the serum BDNF concentration of 898 older adults aged 65-84 years who participated in regional health examinations in the Tokyo area and also measured various parameters, such as the thickness of the quadriceps femoris, percentage of body fat, body mass index, grip strength, frequency of walking, and use of sleeping drugs and steroidal anti-inflammatory drugs...
December 8, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/29097051/associations-between-mortality-and-prolonged-exposure-to-elevated-particulate-matter-concentrations-in-east-asia
#8
Satbyul Estella Kim, Michelle L Bell, Masahiro Hashizume, Yasushi Honda, Haidong Kan, Ho Kim
Previous epidemiological studies regarding mortality and particulate matter with an aerodynamic diameter of <10μm (PM10) have considered only absolute concentrations of PM10 as a risk factor. However, none have evaluated the durational effect of multi-day periods with high PM10 concentrations. To evaluate the durational effect (i.e., number of days) of high PM10 concentrations on mortality, we collected data regarding 3,662,749 deaths from 28 cities in Japan, South Korea, and China (1993-2009). Exposure was defined as consecutive days with daily PM10 concentrations ≥75μg/m(3)...
January 2018: Environment International
https://www.readbyqxmd.com/read/29089167/mortality-burden-of-diurnal-temperature-range-and-its-temporal-changes-a-multi-country-study
#9
Whanhee Lee, Michelle L Bell, Antonio Gasparrini, Ben G Armstrong, Francesco Sera, Sunghee Hwang, Eric Lavigne, Antonella Zanobetti, Micheline de Sousa Zanotti Stagliorio Coelho, Paulo Hilario Nascimento Saldiva, Samuel Osorio, Aurelio Tobias, Ariana Zeka, Patrick G Goodman, Bertil Forsberg, Joacim Rocklöv, Masahiro Hashizume, Yasushi Honda, Yue-Liang Leon Guo, Xerxes Seposo, Do Van Dung, Tran Ngoc Dang, Shilu Tong, Yuming Guo, Ho Kim
Although diurnal temperature range (DTR) is a key index of climate change, few studies have reported the health burden of DTR and its temporal changes at a multi-country scale. Therefore, we assessed the attributable risk fraction of DTR on mortality and its temporal variations in a multi-country data set. We collected time-series data covering mortality and weather variables from 308 cities in 10 countries from 1972 to 2013. The temporal change in DTR-related mortality was estimated for each city with a time-varying distributed lag model...
January 2018: Environment International
https://www.readbyqxmd.com/read/29084393/longer-term-impact-of-high-and-low-temperature-on-mortality-an-international-study-to-clarify-length-of-mortality-displacement
#10
Ben Armstrong, Michelle L Bell, Micheline de Sousa Zanotti Stagliorio Coelho, Yue-Liang Leon Guo, Yuming Guo, Patrick Goodman, Masahiro Hashizume, Yasushi Honda, Ho Kim, Eric Lavigne, Paola Michelozzi, Paulo Hilario Nascimento Saldiva, Joel Schwartz, Matteo Scortichini, Francesco Sera, Aurelio Tobias, Shilu Tong, Chang-Fu Wu, Antonella Zanobetti, Ariana Zeka, Antonio Gasparrini
BACKGROUND: In many places, daily mortality has been shown to increase after days with particularly high or low temperatures, but such daily time-series studies cannot identify whether such increases reflect substantial life shortening or short-term displacement of deaths (harvesting). OBJECTIVES: To clarify this issue, we estimated the association between annual mortality and annual summaries of heat and cold in 278 locations from 12 countries. METHODS: Indices of annual heat and cold were used as predictors in regressions of annual mortality in each location, allowing for trends over time and clustering of annual count anomalies by country and pooling estimates using meta-regression...
October 27, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/29082297/distinct-pathogenesis-in-nonsystemic-vasculitic-neuropathy-and-microscopic-polyangiitis
#11
Mie Takahashi, Haruki Koike, Shohei Ikeda, Yuichi Kawagashira, Masahiro Iijima, Atsushi Hashizume, Masahisa Katsuno, Gen Sobue
OBJECTIVE: To investigate the mechanisms of vasculitis in nonsystemic vasculitic neuropathy (NSVN) and microscopic polyangiitis (MPA), focusing on complement- and antineutrophil cytoplasmic antibody (ANCA)-associated pathogenesis. METHODS: Sural nerve biopsy specimens taken from twenty-four patients with NSVN and 37 with MPA-associated neuropathy (MPAN) were examined. Twenty-two patients in the MPAN group tested positive for ANCA. RESULTS: Immunostaining for complement component C3d deposition showed more frequent positive staining of epineurial small vessels in NSVN than in MPAN ( p = 0...
November 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28983659/cardiac-and-peripheral-vasomotor-autonomic-functions-in-late-onset-transthyretin-val30met-familial-amyloid-polyneuropathy
#12
Haruki Koike, Tomohiko Nakamura, Atsushi Hashizume, Ryoji Nishi, Shohei Ikeda, Yuichi Kawagashira, Masahiro Iijima, Masahisa Katsuno, Gen Sobue
The objective of this study was to systematically investigate cardiac and peripheral vasomotor autonomic functions in late-onset transthyretin Val30Met familial amyloid polyneuropathy (FAP ATTR Val30Met) patients from non-endemic areas. The coefficient of variation of R-R intervals (CVR-R), responses to the Valsalva manoeuvre, head-up tilt test with impedance cardiography, noradrenaline infusion test, and (123)I-metaiodobenzylguanidine (MIBG) myocardial scintigraphy were assessed in eight patients. Although only four patients manifested orthostatic hypotension during the head-up tilt test, CVR-R, responses to the Valsalva manoeuvre, and myocardial MIBG uptake indicated a higher prevalence of cardiac sympathetic and parasympathetic dysfunction...
November 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28886602/heat-wave-and-mortality-a-multicountry-multicommunity-study
#13
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-Liang Leon Guo, Chang-Fu Wu, Antonella Zanobetti, Joel D Schwartz, Michelle L Bell, Matteo Scortichini, Paola Michelozzi, Kornwipa Punnasiri, Shanshan Li, Linwei Tian, Samuel David Osorio Garcia, Xerxes Seposo, Ala Overcenco, Ariana Zeka, Patrick Goodman, Tran Ngoc Dang, Do Van Dung, Fatemeh Mayvaneh, Paulo Hilario Nascimento Saldiva, Gail Williams, Shilu Tong
BACKGROUND: Few studies have examined variation in the associations between heat waves and mortality in an international context. OBJECTIVES: We aimed to systematically examine the impacts of heat waves on mortality with lag effects internationally. METHODS: We collected daily data of temperature and mortality from 400 communities in 18 countries/regions and defined 12 types of heat waves by combining community-specific daily mean temperature ≥90th, 92...
August 10, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28717138/airborne-bacterial-communities-in-three-east-asian-cities-of-china-south-korea-and-japan
#14
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
#15
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
#16
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
#17
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...
July 18, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28555071/seasonally-lagged-effects-of-climatic-factors-on-malaria-incidence-in-south-africa
#18
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
#19
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
#20
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
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