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https://www.readbyqxmd.com/read/28964149/heavy-ion-acoustic-rogue-waves-in-electron-positron-multi-ion-plasmas
#1
N A Chowdhury, A Mannan, M M Hasan, A A Mamun
The nonlinear propagation of heavy-ion-acoustic (HIA) waves (HIAWs) in a four-component multi-ion plasma (containing inertial heavy negative ions and light positive ions, as well as inertialess nonextensive electrons and positrons) has been theoretically investigated. The nonlinear Schrödinger (NLS) equation is derived by employing the reductive perturbation method. It is found that the NLS equation leads to the modulational instability (MI) of HIAWs, and to the formation of HIA rogue waves (HIARWs), which are due to the effects of nonlinearity and dispersion in the propagation of HIAWs...
September 2017: Chaos
https://www.readbyqxmd.com/read/28951105/epidemiology-of-invasive-pneumococcal-and-haemophilus-influenzae-diseases-in-northwestern-ontario-canada-2010-2015
#2
Vic Eton, Annette Schroeter, Len Kelly, Michael Kirlew, Raymond S W Tsang, Marina Ulanova
INTRODUCTION: North American Indigenous populations experience a high burden of invasive bacterial infections. Because Streptococcus pneumoniae and Haemophilus influenzae (Hi) have multiple antigenic variants, the existing vaccines cannot prevent all cases. This study addresses current epidemiology of invasive Hi and pneumococcal disease (IPD) in a region of Northwestern Ontario, Canada with a relatively high (82%) Indigenous population. METHODS: Data were retrieved from retrospective chart review at a hospital servicing a population of 29,000 (82% Indigenous), during January 2010-July 2015...
September 22, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28951087/investigating-the-candidacy-of-a-capsular-polysaccharide-based-glycoconjugate-as-a-vaccine-to-combat-haemophilus-influenzae-type-a-disease-a-solution-for-an-unmet-public-health-need
#3
Andrew D Cox, Dean Williams, Chantelle Cairns, Frank St Michael, Perry Fleming, Evgeny Vinogradov, Mélanie Arbour, Luke Masson, Wei Zou
After the introduction of the glycoconjugate vaccine based upon the capsular polysaccharide ofHaemophilus influenzaetype b in the mid 1980s there was a remarkable decrease in the number of invasive cases reported for this organism. Since the 1990s several groups have observed the emergence ofHaemophilus influenzaetype a (Hia), especially in indigenous communities in the northern regions of Canada and Alaska, to a stage where a solution is warranted to prevent further unnecessary deaths due to this pathogen...
October 27, 2017: Vaccine
https://www.readbyqxmd.com/read/28931035/neuroprotection-with-hypothermia-and-allopurinol-in-an-animal-model-of-hypoxic-ischemic-injury-is-it-a-gender-question
#4
Javier Rodríguez-Fanjul, Cristina Durán Fernández-Feijóo, Míriam Lopez-Abad, Maria Goretti Lopez Ramos, Rafael Balada Caballé, Soledad Alcántara-Horillo, Marta Camprubí Camprubí
BACKGROUND: Hypoxic-ischemic encephalopathy (HIE) is one of the most important causes of neonatal brain injury. Therapeutic hypothermia (TH) is the standard treatment for term newborns after perinatal hypoxic ischemic injury (HI). Despite this, TH does not provide complete neuroprotection. Allopurinol seems to be a good neuroprotector in several animal studies, but it has never been tested in combination with hypothermia. Clinical findings show that male infants with (HI) fare more poorly than matched females in cognitive outcomes...
2017: PloS One
https://www.readbyqxmd.com/read/28921456/blood-brain-barrier-in-a-haemophilus-influenzae-type-a-in-vitro-infection-role-of-adenosine-receptors-a2a-and-a2b
#5
N Caporarello, M Olivieri, M Cristaldi, M Scalia, M A Toscano, C Genovese, A Addamo, M Salmeri, G Lupo, C D Anfuso
The blood-brain barrier (BBB) is mainly made up of tightly connected microvascular endothelial cells (BMECs), surrounded by pericytes (BMPCs) which regulate BBB tightness by providing soluble factors that control endothelial proliferation. Haemophilus influenzae type a (Hia) is able to reach the BBB, crossing it, thus causing meningitis. In this study, by using an in vitro model of BBB, performed with human BMECs and human BMPCs in co-culture, we demonstrated that, after Hia infection, the number of hBMPCs decreased whereas the number of hBMECs increased in comparison with non-infected cells...
September 18, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28888759/impact-of-iliac-artery-anatomy-on-the-outcome-of-fenestrated-and-branched-endovascular-aortic-repair
#6
Enrico Gallitto, Mauro Gargiulo, Gianluca Faggioli, Rodolfo Pini, Chiara Mascoli, Antonio Freyrie, Stefano Ancetti, Andrea Stella
OBJECTIVE: Fenestrated and branched endovascular aneurysm repair (FB-EVAR) is a valid option to treat juxtarenal and pararenal abdominal aortic aneurysms and thoracoabdominal aortic aneurysms. Because successful deployment depends on complex maneuvers, hostile iliac artery anatomy (HIA) can prejudice the FB-EVAR outcome. The aim of the study was to evaluate the impact of HIA on FB-EVAR outcome. METHODS: Between 2010 and 2015, all patients undergoing FB-EVAR were prospectively categorized according to iliac anatomy (friendly iliac artery anatomy [FIA] or HIA)...
September 6, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28768669/immunogenicity-of-nontypeable-haemophilus-influenzae-outer-membrane-vesicles-and-protective-ability-in-the-chinchilla-model-of-otitis-media
#7
Linda E Winter, Stephen J Barenkamp
Outer membrane vesicles (OMVs) produced by Gram-negative bacteria are enriched in several outer membrane components, including major and minor outer membrane proteins and lipooligosaccharide. We assessed the functional activity of nontypeable Haemophilus influenzae (NTHi) OMV-specific antisera and the protective ability of NTHi OMVs as vaccine antigens in the chinchilla otitis media model. OMVs were purified from three HMW1/HMW2-expressing NTHi strains, two of which were also engineered to overexpress Hia proteins...
October 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28768403/assessing-health-impacts-of-pictorial-health-warning-labels-on-cigarette-packs-in-korea-using-dynamo-hia
#8
Eunjeong Kang
OBJECTIVES: This study aimed to predict the 10-year impacts of the introduction of pictorial warning labels (PWLs) on cigarette packaging in 2016 in Korea for adults using DYNAMO-HIA. METHODS: In total, four scenarios were constructed to better understand the potential health impacts of PWLs: two for PWLs and the other two for a hypothetical cigarette tax increase. In both policies, an optimistic and a conservative scenario were constructed. The reference scenario assumed the 2015 smoking rate would remain the same...
July 2017: Journal of Preventive Medicine and Public Health, Yebang Ŭihakhoe Chi
https://www.readbyqxmd.com/read/28763388/health-impact-assessments-and-extreme-weather-challenges-for-environmental-health
#9
Kristina Kintziger, Jason Ortegren, Chris DuClos, Melissa Jordan, Talia Smith, Rebecca Foglietti, Robert Merritt, Louviminda Donado
BACKGROUND: The Florida Department of Health, Environmental Public Health Tracking Program, in collaboration with the Escambia County Health Department and the University of West Florida, used the Health Impact Assessment Framework to examine adverse health outcomes that may be related to an extreme flood event in Pensacola, Florida (Escambia County) during April 29 to May 3, 2014. In this 2014 flood event, portions of Pensacola received more than 15.5 in of rain in a single day. Infrastructure impacts from this extreme event included destroyed bridges and roads and the failure of many sewage lift stations...
September 2017: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/28737610/influence-of-match-location-quality-of-opponents-and-match-status-on-movement-patterns-in-brazilian-professional-football-players
#10
Rodrigo Aquino, Guilherme H Munhoz Martins, Luiz H Palucci Vieira, Rafael P Menezes
Aquino, R, Munhoz Martins, GH, Palucci Vieira, LH, and Menezes, RP. Influence of match location, quality of opponents and match status on movement patterns in brazilian professional football players. J Strength Cond Res 31(8): 2155-2161, 2017-The aim of this study was to examine the independent and interactive effects of match location, quality of opponents, and match status on the movement patterns in a professional Brazilian football team. Sixteen matches of the fourth division Brazilian Championship of 2015 were analyzed during the competitive stages (classifier, 8 matches; octave-finals, 2 matches; quarterfinals, 2 matches; semifinals, 2 matches; and finals, 2 matches)...
August 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28715880/effects-of-acute-high-intensity-resistance-exercise-on-cognitive-function-and-oxygenation-in-prefrontal-cortex
#11
Hyukki Chang, Kyungae Kim, Yu-Jin Jung, Morimasa Kato
PURPOSE: Moderate-intensity exercise is known to be the best effective intensity to enhance cognitive function, including memory and learning. However, the effects of high-intensity exercise in comparison with moderate- intensity exercise on cognitive function remain controversial. The aim of this study was to investigate the effect of high-intensity resistance exercise on cognitive function. METHODS: Thirty-six healthy female college students volunteered to participate in this study...
June 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/28711845/the-impact-of-synoptic-circulation-on-air-quality-and-pollution-related-human-health-in-the-yangtze-river-delta-region
#12
Zhiheng Liao, Meng Gao, Jiaren Sun, Shaojia Fan
PM2.5 and O3 pollution are of concern for the Yangtze River Delta (YRD) region due to their adverse impact on human health. In conjunction with a complex distribution of emission sources, the synoptic circulation conditions control the temporal and spatial variability of air pollution levels and hence the pollution-related health burdens. In this study, a long-term synoptic circulation catalogue is developed by applying the automated Lamb weather type method to the ECMWF mean sea level pressure reanalysis for the YRD region during 2013-2016...
December 31, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28698462/using-health-impact-assessment-as-an-interdisciplinary-teaching-tool
#13
REVIEW
Melissa Chinchilla, Mariana C Arcaya
Health Impact Assessment (HIA) courses are teaching public health and urban planning students how to assess the likely health effects of proposed policies, plans, and projects. We suggest that public health and urban planning have complimentary frameworks for training practitioners to address the living conditions that affect health. Planning perspectives emphasize practical skills for impacting community change, while public health stresses professional purpose and ethics. Frameworks from both disciplines can enhance the HIA learning experience by helping students tackle questions related to community impact, engagement, social justice, and ethics...
July 8, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28679442/predicting-two-year-survival-versus-non-survival-after-first-myocardial-infarction-using-machine-learning-and-swedish-national-register-data
#14
John Wallert, Mattia Tomasoni, Guy Madison, Claes Held
BACKGROUND: Machine learning algorithms hold potential for improved prediction of all-cause mortality in cardiovascular patients, yet have not previously been developed with high-quality population data. This study compared four popular machine learning algorithms trained on unselected, nation-wide population data from Sweden to solve the binary classification problem of predicting survival versus non-survival 2 years after first myocardial infarction (MI). METHODS: This prospective national registry study for prognostic accuracy validation of predictive models used data from 51,943 complete first MI cases as registered during 6 years (2006-2011) in the national quality register SWEDEHEART/RIKS-HIA (90% coverage of all MIs in Sweden) with follow-up in the Cause of Death register (> 99% coverage)...
July 5, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28666758/the-changing-epidemiology-of-invasive-haemophilus-influenzae-disease-emergence-and-global-presence-of-serotype-a-strains-that-may-require-a-new-vaccine-for-control
#15
Raymond S W Tsang, Marina Ulanova
BACKGROUND: More than two decades after the implementation of the Hib conjugate vaccine in North America, Haemophilus influenzae serotype a (Hia) has emerged as a significant cause of invasive disease in Indigenous communities. However, little is known about the global presence of this pathogen. METHODS: We interrogated the H. influenzae Multi-Locus Sequence Typing (MLST) website (https://pubmlst.org/hinfluenzae/) by selecting for serotype a records. We also updated our previous literature review on this subject matter...
June 27, 2017: Vaccine
https://www.readbyqxmd.com/read/28664028/a-case-of-acute-isolated-posterior-cerebral-artery-occlusion-successfully-treated-with-endovascular-clot-aspiration
#16
Taiki Yamamoto, Tomotaka Ohshima, Masaki Sato, Shunsaku Goto, Kojiro Ishikawa, Toshihisa Nishizawa, Shinji Shimato, Kyozo Kato
Posterior cerebral artery (PCA) strokes produce various symptoms. Therefore, the diagnosis is often delayed and patients arrive late for thrombolytic therapy. We report a case of acute isolated PCA occlusion that was successfully treated with endovascular clot aspiration. A 63-year-old man presented with right complete homonymous hemianopia. Diffusion-weighted image (DWI) showed a high-intensity area (HIA) in the occipital lobe, and magnetic resonance angiography (MRA) showed PCA occlusion. Emergency endovascular clot aspiration was performed immediately after the diagnosis...
April 2017: NMC Case Rep J
https://www.readbyqxmd.com/read/28663217/a-video-analysis-of-head-injuries-satisfying-the-criteria-for-a-head-injury-assessment-in-professional-rugby-union-a-prospective-cohort-study
#17
Ross Tucker, Martin Raftery, Gordon Ward Fuller, Ben Hester, Simon Kemp, Matthew J Cross
OBJECTIVES: Concussion is the most common match injury in professional Rugby Union, accounting for 25% of match injuries. The primary prevention of head injuries requires that the injury mechanism be known so that interventions can be targeted to specifically overall incidence by focusing on characteristics with the greatest propensity to cause a head injury. METHODS: 611 head injury assessment (HIA) events in professional Rugby Union over a 3-year period were analysed, with specific reference to match events, position, time and nature of head contact...
August 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28660129/haemophilus-influenzae-peritonitis-in-a-girl-on-automated-peritoneal-dialysis-case-report-and-review-of-the-literature
#18
Taketo Otsuka, Hiroya Hasegawa, Takeshi Yamada, Utako Kaneko, Akihiko Saitoh
Haemophilus influenzae is a rare cause of peritonitis in patients on peritoneal dialysis (PD). We report a case of peritonitis due to non-typeable H. influenzae in a 5-year-old girl on automated PD. The patient was successfully treated with intraperitoneal cefepime and cefazolin. The isolate was multilocus sequence type 3 and contained the hmw and hia genes but was IS1016-negative. Seven of the eight reported cases were female, indicating that sex-associated factors may be important in H. influenzae peritonitis in patients on PD...
2017: IDCases
https://www.readbyqxmd.com/read/28642222/risk-factors-for-head-injury-events-in-professional-rugby-union-a-video-analysis-of-464-head-injury-events-to-inform-proposed-injury-prevention-strategies
#19
Ross Tucker, Martin Raftery, Simon Kemp, James Brown, Gordon Fuller, Ben Hester, Matthew Cross, Ken Quarrie
OBJECTIVES: The tackle is responsible for the majority of head injuries during rugby union. In order to address head injury risk, risk factors during the tackle must first be identified. This study analysed tackle characteristics in the professional game in order to inform potential interventions. METHODS: 464 tackles resulting in a head injury assessment (HIA) were analysed in detail, with tackle type, direction, speed, acceleration, nature of head contact and player body position the characteristics of interest...
August 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28640770/physiological-responses-and-time-motion-analysis-of-small-combat-games-in-kickboxing-impact-of-ring-size-and-number-of-within-round-sparring-partners
#20
Ibrahim Ouergui, Nizar Houcine, Hamza Marzouki, Philip Davis, Emerson Franchini, Nabil Gmada, Ezzedine Bouhlel
Ouergui, I, Houcine, N, Marzouki, H, Davis, P, Franchini, E, Gmada, N, and Bouhlel, E. Physiological responses and time-motion analysis of small combat games in kickboxing: impact of ring size and number of within-round sparring partners. J Strength Cond Res 31(7): 1840-1846, 2017-The study aimed to investigate the physiological responses and time-structure of small combat games (SCGs) in kickboxing according to ring sizes and number of sparring partners. Twenty athletes from regional (n = 13) and national levels (n = 7) participated in the study (mean ± SD, age: 20...
July 2017: Journal of Strength and Conditioning Research
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