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https://www.readbyqxmd.com/read/28917096/how-bicycle-level-of-traffic-stress-correlate-with-reported-cyclist-accidents-injury-severities-a-geospatial-and-mixed-logit-analysis
#1
Chen Chen, Jason C Anderson, Haizhong Wang, Yinhai Wang, Rachel Vogt, Salvador Hernandez
Transportation agencies need efficient methods to determine how to reduce bicycle accidents while promoting cycling activities and prioritizing safety improvement investments. Many studies have used standalone methods, such as level of traffic stress (LTS) and bicycle level of service (BLOS), to better understand bicycle mode share and network connectivity for a region. However, in most cases, other studies rely on crash severity models to explain what variables contribute to the severity of bicycle related crashes...
September 13, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28879069/biking-practices-and-preferences-in-a-lower-income-primarily-minority-neighborhood-learning-what-residents-want
#2
Anne C Lusk, Albert Anastasio, Nicholas Shaffer, Juan Wu, Yanping Li
This paper examines if, in a lower-income minority neighborhood, bicycling practices and bicycle-environment preferences of Blacks and Hispanics were different from Whites. During the summer of 2014, surveys were mailed to 1537 households near a proposed cycle track on Malcolm X Boulevard in Roxbury, MA. On the Boulevard, intercept surveys were distributed to cyclists and observations noted about passing cyclist's characteristics. Data were analyzed from 252 returned-mailed surveys, 120 intercept surveys, and 709 bicyclists...
September 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/28865315/on-the-use-of-naturalistic-methods-to-examine-safety-relevant-behaviours-amongst-children-and-evaluate-a-cycling-education-program
#3
J Hatfield, M Dozza, D A Patton, P Maharaj, S Boufous, T Eveston
School-based cycling education programs aim to improve cycling safety and participation amongst children. Available research suggests that typical programs, which focus on bicycle manoeuvring skills, have limited effects on behaviour observed on a track or planned route. The current study uses theoretically more valid, naturalistic cycling data, to evaluate Safe Cycle, a program that incorporates hazard and self-awareness training. Soon after Safe Cycle was delivered at treatment schools, research bicycles instrumented with a rearward- and a forward-facing camera were loaned to six children from treatment schools and six children from (waitlist) control schools...
August 30, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28864692/common-evidence-gaps-in-point-of-care-diagnostic-test-evaluation-a-review-of-horizon-scan-reports
#4
Jan Y Verbakel, Philip J Turner, Matthew J Thompson, Annette Plüddemann, Christopher P Price, Bethany Shinkins, Ann Van den Bruel
OBJECTIVE: Since 2008, the Oxford Diagnostic Horizon Scan Programme has been identifying and summarising evidence on new and emerging diagnostic technologies relevant to primary care. We used these reports to determine the sequence and timing of evidence for new point-of-care diagnostic tests and to identify common evidence gaps in this process. DESIGN: Systematic overview of diagnostic horizon scan reports. PRIMARY OUTCOME MEASURES: We obtained the primary studies referenced in each horizon scan report (n=40) and extracted details of the study size, clinical setting and design characteristics...
September 1, 2017: BMJ Open
https://www.readbyqxmd.com/read/28844726/cycling-and-spinal-trauma-a-worrying-trend-in-referrals-to-a-national-spine-centre
#5
M P Broe, J C Kelly, P J Groarke, K Synnott, S Morris
INTRODUCTION: Cycling has seen a large increase in popularity worldwide over the last number of years. This has been linked to an increase in the number of road traffic accidents involving cyclists. Participation in cycling as part of competitive sport and endurance events has seen particular growth. AIM: To examine patients referred with spinal trauma related to cycling and to assess whether the growing popularity of cycling and particularly competitive cycling is linked to an increase in spinal trauma...
August 22, 2017: Surgeon: Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland
https://www.readbyqxmd.com/read/28841964/improved-voltammetric-method-for-simultaneous-determination-of-pt-and-rh-using-second-derivative-signal-transformation-application-to-environmental-samples
#6
Carlos E Monteiro, Antonio Cobelo-Garcia, Miguel Caetano, Margarida M Correia Dos Santos
The determination of Platinum-group elements (PGE) in relevant environmental matrices is a challenging task. Sensitive and accurate analytical procedures for simultaneous determination of Pt and Rh are still needed. In this study, we report for the first time on the use of second derivative signal transformation to the ultra-trace simultaneous determination of Pt and Rh by Adsorptive Cathodic Stripping Voltammetry (AdCSV). With that step, the ill-defined peaks typically observed in the original voltammograms are transformed into well-shaped peaks, resulting in accurate detection...
December 1, 2017: Talanta
https://www.readbyqxmd.com/read/28822612/leaching-behaviour-of-incineration-bottom-ash-in-a-reuse-scenario-12years-field-data-vs-lab-test-results
#7
Martina Di Gianfilippo, Jiri Hyks, Iason Verginelli, Giulia Costa, Ole Hjelmar, Francesco Lombardi
Several types of standardized laboratory leaching tests have been developed during the past few decades to evaluate the leaching behaviour of waste materials as a function of different parameters, such as the pH of the eluate and the liquid to solid ratio. However, the link between the results of these tests and leaching data collected from the field (e.g. in disposal or reuse scenarios) is not always straightforward. In this work, we compare data obtained from an on-going large scale field trial, in which municipal solid waste incineration bottom ash is being tested as road sub-base material, with the results obtained from percolation column and pH-dependence laboratory leaching tests carried out on the bottom ash at the beginning of the test...
August 16, 2017: Waste Management
https://www.readbyqxmd.com/read/28798038/infographics-winning-road-cycle-races-a-team-sky-perspective
#8
EDITORIAL
Neil Heron, Richard Usher, Derick MacLeod, Inigo Sarrieguil, Juan Mercadel, Mark A Tully
No abstract text is available yet for this article.
August 10, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28780491/health-impact-modelling-of-different-travel-patterns-on-physical-activity-air-pollution-and-road-injuries-for-s%C3%A3-o-paulo-brazil
#9
Thiago Hérick de Sá, Marko Tainio, Anna Goodman, Phil Edwards, Andy Haines, Nelson Gouveia, Carlos Monteiro, James Woodcock
BACKGROUND: São Paulo city, Brazil, faces challenges caused by rapid urbanization. We illustrate how future travel patterns could lead to different health consequences in the city. METHODS: We evaluated the health impacts of different travel pattern scenarios for the São Paulo adult population by comparing the travel patterns of São Paulo in 2012 with counterfactual scenarios in which the city adopted travel patterns of i) those living in the city's expanded centre; ii) London (2012); iii) a highly motorized São Paulo (SP California); and iv) a visionary São Paulo (SP 2040), with high levels of walking and cycling and low levels of car and motorcycle use...
August 3, 2017: Environment International
https://www.readbyqxmd.com/read/28754013/interference-effects-redress-over-power-efficient-wireless-friendly-mesh-networks-for-ubiquitous-sensor-communications-across-smart-cities
#10
Jose Santana, Domingo Marrero, Elsa Macías, Vicente Mena, Álvaro Suárez
Ubiquitous sensing allows smart cities to take control of many parameters (e.g., road traffic, air or noise pollution levels, etc.). An inexpensive Wireless Mesh Network can be used as an efficient way to transport sensed data. When that mesh is autonomously powered (e.g., solar powered), it constitutes an ideal portable network system which can be deployed when needed. Nevertheless, its power consumption must be restrained to extend its operational cycle and for preserving the environment. To this end, our strategy fosters wireless interface deactivation among nodes which do not participate in any route...
July 21, 2017: Sensors
https://www.readbyqxmd.com/read/28753415/macro-level-vulnerable-road-users-crash-analysis-a-bayesian-joint-modeling-approach-of-frequency-and-proportion
#11
Qing Cai, Mohamed Abdel-Aty, Jaeyoung Lee
This study aims at contributing to the literature on pedestrian and bicyclist safety by building on the conventional count regression models to explore exogenous factors affecting pedestrian and bicyclist crashes at the macroscopic level. In the traditional count models, effects of exogenous factors on non-motorist crashes were investigated directly. However, the vulnerable road users' crashes are collisions between vehicles and non-motorists. Thus, the exogenous factors can affect the non-motorist crashes through the non-motorists and vehicle drivers...
July 25, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28746232/the-effect-of-topical-thiocolchicoside-in-preventing-and-reducing-the-increase-of-muscle-tone-stiffness-and-soreness-a-real-life-study-on-top-level-road-cyclists-during-stage-competition
#12
Marco Gervasi, Davide Sisti, Piero Benelli, Eneko Fernández-Peña, Cinzia Calcabrini, Marco B L Rocchi, Luigi Lanata, Michela Bagnasco, Andrea Tonti, Stocchi Vilberto, Piero Sestili
In professional road cyclists, the majority of overuse injuries affect the lower limbs and are mostly represented by contractures or muscle shortening, characterized by an increase of tone and stiffness and a variation of elasticity. Treatment and prevention of these specific conditions may include physical, supplementary, and pharmacologic support. The aim of this real-life study was to determine: first, the alterations of tone, stiffness, elasticity, and soreness of rectus femoris (RF) and biceps femoris (BF) in top class cyclists engaged in 3 multistage races, and second, whether any variable in the management of the athletes may affect the prevention and/or reduction of such alterations...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28739377/blood-hemostatic-changes-during-an-ultraendurance-road-cycling-event-in-a-hot-environment
#13
Brian R Kupchak, Josh B Kazman, Jakob L Vingren, Danielle E Levitt, Elaine C Lee, Keith H Williamson, Lawrence E Armstrong, Patricia A Deuster
OBJECTIVE: This study aims to examine blood hemostatic responses to completing a 164-km road cycling event in a hot environment. METHODS: Thirty-seven subjects (28 men and 9 women; 51.8±9.5 [mean±SD] y) completed the ride in 6.6±1.1 hours. Anthropometrics (height, body mass [taken also during morning of the ride], percent body fat [%]) were collected the day before the ride. Blood samples were collected on the morning of the ride (PRE) and immediately after (IP) the subject completed the ride...
July 21, 2017: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/28732320/do-cyclists-make-better-drivers-associations-between-cycling-experience-and-change-detection-in-road-scenes
#14
Vanessa Beanland, Lisa J Hansen
Efficient processing of visual information is crucial to safe driving. Previous research has demonstrated that driving experience strongly affects attentional allocation, with large differences between novice and experienced drivers. Expanding on this, we explored the influence of non-driving experiences on attentional allocation by comparing drivers with and without cycling experience. Based on situation awareness field studies, we predicted cyclist-drivers would demonstrate superior performance. Participants were 42 experienced drivers (17 female, 25 male) aged 30-50 years (M=39...
July 18, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28730920/validity-of-a-device-designed-to-measure-braking-power-in-bicycle-disc-brakes
#15
Matthew C Miller, Philip W Fink, Paul William Macdermid, Blake G Perry, Stephen R Stannard
Real-world cycling performance depends not only on exercise capacities, but also on efficiently traversing the bicycle through the terrain. The aim of this study was to determine if it was possible to quantify the braking done by a cyclist in the field. One cyclist performed 408 braking trials (348 on a flat road; 60 on a flat dirt path) over 5 days on a bicycle fitted with brake torque and angular velocity sensors to measure brake power. Based on Newtonian physics, the sum of brake work, aerodynamic drag and rolling resistance was compared with the change in kinetic energy in each braking event...
July 21, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28722536/travel-burden-associated-with-granulocyte-colony-stimulating-factor-administration-in-a-medicare-aged-population-a-geospatial-analysis
#16
J Mark Stephens, Mark Bensink, Charles Bowers, Christopher S Hollenbeak
OBJECTIVE: Prophylaxis with granulocyte colony-stimulating factors (G-CSFs) is recommended for patients receiving myelosuppressive chemotherapy regimens with a high risk of febrile neutropenia (FN). G-CSFs should be administered starting the day after chemotherapy, necessitating return trips to the oncology clinic at the end of each cycle. We examined the travel burden related to prophylactic G-CSF injections after chemotherapy in the United States (US). METHODS: We used 2012-2014 Medicare claims data to identify a national cohort of beneficiaries age 65+ with non-myeloid cancers who received both chemotherapy and prophylactic G-CSFs...
July 19, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28721185/the-smooth-and-bumpy-road-of-trastuzumab-administration-from-intravenous-iv-in-a-hospital-to-subcutaneous-sc-at-home
#17
Waa Tjalma, M T Huizing, K Papadimitriou
Trastuzumab has become standard of care in the treatment of early and metastatic HER2-positive breast cancer. Initially trastuzumab could only be administered intravenously (IV), however since a few years there is also a subcutaneous (SC) formulation. The efficacy and the safety profile of both formulations is the comparable. The administration logistics however have an impact on the patients, the health care professionals (HCPs), the hospital and the government. The preference for the patients (89%) and the HCPs (77%) is in favour of the SC formulation...
March 2017: Facts, Views & Vision in ObGyn
https://www.readbyqxmd.com/read/28710974/predictors-of-recovery-in-cyclists-hospitalised-for-orthopaedic-trauma-following-an-on-road-crash
#18
Ben Beck, Christina L Ekegren, Peter Cameron, Elton R Edwards, Andrew Bucknill, Rodney Judson, Richard Page, Raphael Hau, Mark Stevenson, Belinda J Gabbe
BACKGROUND: As cycling-related injury rates are on the rise, there is a need to understand the long term outcomes of these patients in order to quantify the burden of injury and to inform injury prevention strategies. This study aimed to investigate predictors of return to work and functional recovery in a cohort of cyclists hospitalised for orthopaedic trauma from crashes occurring on-road. METHODS: A retrospective analysis of data from the Victorian Orthopaedic Trauma Outcomes Registry (VOTOR) was conducted for patients who were hospitalised for orthopaedic trauma following a cycling crash that occurred on-road between July 2007 and June 2015...
July 12, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28700517/a-longitudinal-assessment-of-bone-mineral-density-and-body-composition-in-competitive-cyclists
#19
Breanne S Baker, Raoul F Reiser
Competitive cycling has been associated with low bone mineral density (BMD); however, BMD is a multifaceted issue. The purpose of this study was to investigate how age (18-49 years), sex, USA Cycling Category (elite-4) and racing type (road and multiple bikes), influenced body composition across a season in competitive cyclists. February marked the preseason, where 42 participants (22 males, 20 females) completed a health history and cycling questionnaire, four day dietary log and a Dual-energy X-ray absorptiometry (DXA) scan and repeated the measures 180±11 days later...
July 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28693547/longitudinal-associations-between-built-environment-characteristics-and-changes-in-active-commuting
#20
Lin Yang, Simon Griffin, Kay-Tee Khaw, Nick Wareham, Jenna Panter
BACKGROUND: Few studies have assessed the predictors of changes in commuting. This study investigated the associations between physical environmental characteristics and changes in active commuting. METHODS: Adults from the population-based European Prospective Investigation into Cancer (EPIC)-Norfolk cohort self-reported commuting patterns in 2000 and 2007. Active commuters were defined as those who reported 'always' or 'usually' walking or cycling to work. Environmental attributes around the home and route were assessed using Geographical Information Systems...
May 17, 2017: BMC Public Health
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