Transportation

交通运输
  • 文章类型: Journal Article
    目的:为了确定儿科患者在前往大城市骨科中心时面临的交通障碍,这些障碍如何影响护理,以及可以做出哪些改变来解决这个问题。
    方法:对大城市三级儿童医院骨科诊所的107名看护者进行了横断面交通调查。使用逻辑回归分析,我们比较了社会经济特征,运输方式,以及在过去报告至少错过一次探视的护理人员和报告从未错过探视的护理人员之间的安排实践。
    结果:13%(14/108)的护理人员报告由于迟到或交通问题而错过了一次或多次过去的就诊。到诊所旅行超过45分钟的家庭(P=0.04),等待一周以上安排访问(P=0.002),或报告的安排就诊的困难(P=0.02)明显更有可能有不出诊史.此外,非卧床患者(P=0.007),使用了移动设备(P=0.007),或非白人(P<0.05)明显更有可能错过了访问。
    结论:旅行时间,安排困难或延迟,尽管其他社会经济因素不相关,但患者的卧床状态均与骨科门诊就诊缺失相关.改善骨科临床出勤率的干预措施应侧重于促进行动不便患者的可及性,并鼓励简单及时的日程安排。
    OBJECTIVE: To identify what transportation barriers pediatric patients face when traveling to a major metropolitan orthopaedic center, how these barriers affect care, and what changes can be made to address this issue.
    METHODS: A cross-sectional transportation survey was administered to 107 caregivers of patients being seen in the orthopaedic clinic at a tertiary children\'s hospital in a large metropolitan area. Using logistic regression analysis, we compared socioeconomic characteristics, transportation methods, and scheduling practices among caregivers who reported missing at least one visit in the past and those who reported never missing a visit.
    RESULTS: 13% (14/108) of caregivers reported missing one or more past visits due to late arrival or transportation issues. Families that traveled more than 45 minutes to clinic (P = 0.04), waited more than one week to schedule a visit (P = 0.002), or reported difficulty scheduling a visit (P = 0.02) were significantly more likely to have a history of nonattendance. In addition, patients who were nonambulatory (P = 0.007), used a mobility device (P = 0.007), or were non-White (P < 0.05) were significantly more likely to have missed a visit.
    CONCLUSIONS: Travel time, difficult or delayed scheduling, and patient ambulatory status were all associated with missing orthopaedic clinic visits although other socioeconomic factors were not related. Interventions to improve orthopaedic clinic attendance should focus on promoting accessibility for patients with mobility limitations and encouraging simple and timely scheduling practices.
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  • 文章类型: Journal Article
    共享电动踏板车(SE)旅行是一种低碳运输方式,可以通过与地铁系统集成来进一步增强。本研究旨在量化建筑环境的影响,态度偏好,天气感知,以及其他因素对使用“SE-地铁换乘”出行方式的评价和意向,以及如何有效和简洁地测量和建模这些影响。利用长沙市的问卷调查数据进行了实证分析,中国,调查了683名参与者。基于技术接受模型(TAM)建立并比较了三种满意度模型,并扩展了一个最优的M2模型,以纳入用户对天气的主观感知,提出了一种简化问卷长度的方法。研究发现,精心设计的车辆和基础设施,以及必要的配套设施,在提高SE使用率方面发挥重要作用。然而,长沙的SE政策还有很多需要优化的地方。尽管SE在地形和身体素质方面有优势,与传统共享单车相比,它们的用户群显著扩大和改变,适应中老年用户群体的潜力仍然很大。这项研究的结果可以为专业人士和政府官员在设计系统时提供有价值的见解,建设基础设施,制定政策。
    Shared E-scooter (SE) travel is a low-carbon transportation method that can be further enhanced by integrating with metro systems. This study aims to quantify the impact of the built environment, attitude preferences, weather perception, and other factors on the evaluation and intention to use the \"SE-metro transfer\" travel mode, as well as how to efficiently and concisely measure and model these effects. Empirical analysis was conducted using questionnaire data from Changsha, China, with 683 participants surveyed. Three satisfaction models were established and compared based on the Technology Acceptance Model (TAM), and an optimal M2 model was expanded to incorporate users\' subjective perceptions of weather, proposing a method to simplify questionnaire length. The study found that well-designed vehicles and infrastructure, along with necessary supporting facilities, play important roles in enhancing SE usage. However, there are still many areas for optimization in Changsha\'s SE policies. Despite the advantages of SE in terrain and physical fitness, which have significantly expanded and changed their user base compared to traditional shared bicycles, there is still much potential to adapt to the middle-aged and older user groups. The results of this study can provide valuable insights for professionals and government officials in designing systems, constructing infrastructure, and formulating policies.
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  • 文章类型: Journal Article
    停止驾驶的老年人比继续驾驶的老年人更有可能经历心身下降。这项混合方法研究旨在根据驾驶状态和生活方式活动检查心身功能的差异。以及影响停止驾驶后参与额外生活方式活动的因素。定量分析包括60岁及以上的个体。驾驶状态,生活方式活动,和心身功能进行了评估。对于定性分析,我们对戒烟组进行了半结构化访谈,以确定影响戒烟后参与各种生活方式活动的因素.协方差分析用于定量数据,定性数据采用文本挖掘和定性归纳分析。从事较多生活方式活动的老年人比从事较少生活方式活动的老年人走得更快,甚至在停止驾驶之后。积极使用本地和个人资源可能会增加停止驾驶后对生活方式活动的参与。
    Older adults who cease driving are more likely to experience psychosomatic decline than those who continue driving. This mixed-methods study was intended to examine differences in psychosomatic functions depending on driving status and lifestyle activities, and factors affecting engagement in additional lifestyle activities after driving cessation. The quantitative analysis included individuals aged 60 and above. Driving status, lifestyle activities, and psychosomatic functions were assessed. For qualitative analysis, semi-structured interviews were conducted with the driving-cessation group to determine the factors affecting involvement in various lifestyle activities after driving cessation. Analysis of covariance was used for quantitative data, while text mining and qualitative inductive analysis were used for qualitative data. Older adults who engaged in more lifestyle activities walked faster than those who engaged in fewer lifestyle activities, even after driving cessation. Actively using local and personal resources may increase engagement in lifestyle activities after driving cessation.
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  • 文章类型: Journal Article
    背景:健康共同利益是运输脱碳政策的关键潜在优势。然而,健康影响将在现有的运输健康不平等的背景下发生,脱碳政策本身将影响不平等。这项研究考察了国家脱碳运输途径对人口健康的影响,健康不平等,和新西兰奥特罗阿的卫生系统成本。
    方法:我们模拟了健康,卫生系统,以及新西兰气候变化委员会使用比例多州可生存模型开发的两种运输净零途径对环境的影响。行为途径强调混合方法,包括减少驾驶,增加骑自行车和公共交通工具的使用,和轻型车辆电气化,技术途径侧重于车辆电气化。我们使用了运输数据,环境,人口健康,和医疗保健来源来填充模型。我们通过身体活动的途径模拟了健康影响的变化,空气污染(PM2·5和NO2),以及2018年至2050年新西兰奥特罗阿人口的伤害。我们对毛利人(奥特罗阿土著人民)和非毛利人的影响进行了建模。对于每个净零的路径,我们计算了总体健康调整寿命年(HALYs)的变化,年龄标准化HALY,毛利人和非毛利人的比率。我们还计算了卫生系统成本和运输温室气体排放量的变化。通过使用蒙特卡洛模拟得出所有模型输出的95%不确定性区间(95%UI)。
    结果:两种途径均显示人口健康有所改善,降低卫生系统成本,与基线相比,生命周期温室气体排放量减少,尽管行为途径的健康收益明显更大。例如,与基线相比,行为情景中增加了额外的2100个HALY(95%UI1500-3100).在这两种途径中,毛利人的健康收益比非毛利人大20-30%,尽管毛利人在行为途径中获得了更多的HALY。对于2018年0-4岁的队列,毛利人和非毛利人之间的健康预期寿命差异在其一生中的行为途径上减少了0·5%。毛利人和非毛利人获得的HALY根据对实施途径公平性的假设而发生了重大变化。
    结论:脱碳运输可能会改善总体人口健康,节省卫生系统的钱,减少毛利人和非毛利人之间的健康不平等。与依赖低排放车辆的途径相比,增加身体活动的途径对人群健康的影响更大。对毛利人和非毛利人之间不平等的影响在行为途径上比在技术途径上更大,但取决于如何公平地实施支持脱碳的政策。
    背景:新西兰健康研究委员会和奥塔哥大学。
    BACKGROUND: Health co-benefits are a key potential advantage of transport decarbonisation policy. However, health effects will occur in the context of existing transport-health inequities and decarbonisation policies will themselves affect inequities. This research examines the effects of national decarbonisation pathways for transport on population health, health inequity, and health-system costs in Aotearoa New Zealand.
    METHODS: We modelled the health, health-system, and environmental impacts of two pathways to net zero for transport developed by the New Zealand Climate Change Commission using a proportional multistate lifetable model. The behaviour pathway emphasises a mixed approach, including reduced driving, increased cycling and use of public transport, and light vehicle electrification, and the technology pathway focuses on vehicle electrification. We used data from transport, environmental, population health, and health-care sources to populate the model. We simulated changes in health effects through the pathways of physical activity, air pollution (PM2·5 and NO2), and injury for the Aotearoa New Zealand population from 2018 to 2050. We modelled impacts for Māori (the Indigenous People of Aotearoa) and non-Māori. For each pathway to net zero, we calculated changes in overall health-adjusted life-years (HALYs), age-standardised HALYs, and rate ratios for Māori and non-Māori. We also calculated changes in health-system costs and transport greenhouse gas emissions. 95% uncertainty intervals (95% UIs) were derived for all model outputs by use of a Monte Carlo simulation.
    RESULTS: Both pathways show improvements in population health, reductions in health-system costs, and reduced lifecycle greenhouse gas emissions compared with baseline, although health gains were substantially larger in the behaviour pathway. For example, an extra 2100 HALYs (95% UI 1500-3100) were gained in the behaviour scenario compared with baseline. Health gains were 20-30% larger for Māori than non-Māori in both pathways, although more HALYs were gained by Māori in the behaviour pathway. For the cohort aged 0-4 years in 2018, healthy life expectancy differences between Māori and non-Māori reduced by 0·5% in the behaviour pathway over their lifetime. HALYs gained by Māori and non-Māori were altered substantially depending on assumptions about the equity of the implemented pathway.
    CONCLUSIONS: Decarbonising transport might improve overall population health, save the health system money, and reduce health inequities between Māori and non-Māori. Pathways that increase physical activity have a larger effect on population health than those that rely on low-emission vehicles. The effects on inequity between Māori and non-Māori are larger in the behaviour pathway than in the technology pathway but dependent on how equitably policies supporting decarbonisation are implemented.
    BACKGROUND: Health Research Council of New Zealand and University of Otago.
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  • 文章类型: Journal Article
    背景:尼罗罗非鱼具有巨大的经济价值和农业开发潜力。鱼的运输是为了繁殖或贸易目的而进行的,这是水产养殖的一个具有挑战性的方面。本研究旨在研究淡水和微咸水运输对尼罗替卡菌抗性的影响以及NaCl对运输胁迫的缓解作用。使用了四个相等的组;每组50条鱼,第一组作为对照(P1),而第二组(PT2)在无盐的水中运输,第3组(PT3)和第4组(PT4)分别在含有5gL-1和10gL-1盐的水中运输。PT2,PT3和PT4运输5h,无任何休息或镇静药物。
    结果:在PT2组中,O.niloticus的血清皮质醇在运输后0h显着增加,然后在12和24h时降低,在PT3和PT4组与P1组相比,在所有时间点都没有显着增加。与P1组相比,在0h时,PT2组的粘蛋白2基因(MUC2)表达无明显上调,而PT3和PT4组的表达无明显下调。但在12和24h,PT2,PT3和PT4组明显上调。β防御素-1(βD1)和2(βD2)基因表达在PT2组中无明显下调,在PT3和PT4组中在0h时明显上调。,而在12和24h时,PT2组显著下调,而PT3和PT4组无显著下调,在PT2和PT3组中,它在24h时显著下调,在PT4组中无显著下调。在PT2组中,白细胞介素-1β(IL-1β)基因表达无显著上调,在PT3和PT4组中,在0h时无显著下调。在12和24h时,PT2,PT3和PT4组记录到显着的上调。肿瘤坏死因子-α(TNF-α)基因表达在PT2组中无明显上调,在PT3和PT4组中无明显下调。在12和24h时,PT2,PT3和PT4组明显上调。
    结论:这项研究的结果证实了运输对O.niloticus的应激作用以及NaCl的运输应激缓解作用。
    BACKGROUND: Oreochromis niloticus has great economic value and potential for farming and development. Transportation of fish was done for breeding or trading purpose and it is a challenging aspect of aquaculture. This study aimed to investigate the effect of transportation in freshwater and brackish water on the resistance of O. niloticus as well as transportation stress mitigation effect of NaCl. Four equal groups were used; each of 50 fish, the 1st group served as the control (P 1), while the 2nd group (PT 2) was transported in water without salt, the 3rd (PT 3) and 4th (PT 4) groups were transported in water containing 5 gL- 1 and 10 gL- 1 salt respectively. PT 2, PT 3 and PT 4 were transported for 5 h without any rest or sedative drugs.
    RESULTS: The serum cortisol of O. niloticus significantly increased at 0 h and then decreased at 12 and 24 h post transportation in the PT 2 group and non-significantly increased at all point times in the PT 3 and PT 4 groups comparing to P 1 group. Mucin2 gene (MUC2) expression was non-significantly up regulated in the PT 2 group and down regulated in the PT 3 and PT 4 groups at 0 h comparing with P 1 group, but at 12 and 24 h it was significantly up regulated in the PT 2, PT 3 and PT 4 groups. The β Defensin-1 (β D1) and 2 (β D2) genes expression was non-significantly down-regulated in the PT 2 group and significantly up regulated in the PT 3 and PT 4 groups at 0 h., while at 12 and 24 h was significantly down regulated in the PT 2 group and non-significantly down regulated in the PT 3 and PT 4 groups, it significantly down regulated in the PT 2 and PT 3 group and non-significantly down regulated in the PT 4 group at 24 h. Non-significant up regulation in interleukin - 1β (IL-1β) gene expression was reported in the PT 2 group and non-significant down regulation in the PT 3 and PT 4 groups at 0 h. However, significant up regulation was recorded in the PT 2, PT 3 and PT 4 groups at 12 and 24 h. The Tumor necrosis factor-alpha (TNF-α) gene expression was non-significantly up regulated in the PT 2 group and non-significantly down regulated in the PT 3 and PT 4 groups at 0 h. However, it was significantly up regulated in the PT 2, PT 3 and PT 4 groups at 12 and 24 h.
    CONCLUSIONS: The results of this study confirmed the stressful effect of transportation on O. niloticus as well as the transportation stress mitigation effect of NaCl.
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  • 文章类型: Journal Article
    据报道,在温带而不是热带环境中,公路运输过程中马的应激反应已有报道。因此,这项研究测量了皮质醇水平,心率(HR),在热带环境中,在不同卡车条件下进行中距离公路运输时,马匹的心率变异性(HRV)。六匹马在满载(ATF)或满载(ATS)的空调卡车或满载(N-ATF)和满载(N-ATS)的非空调卡车中反复运输。事先和运输后5、30和90分钟测定血液皮质醇。在运输前和在运输后90分钟以15分钟的间隔评估HR和HRV。N-ATS马的皮质醇水平显着增加(但在ATF中没有显着,ATS,和N-ATF马)在运输后5分钟,并在运输后30分钟返回基线。在最初的几个小时内观察到主要的副交感神经系统(PNS)活动,并返回基线直到到达目的地。一个经常性的,转运后检测到PNS活性增加。空调随负荷随时间变化的相互作用效应,空调时间,在运输过程中,观察到空气条件和时间对HR和各种HRV变量的单独影响。节拍间隔的短暂增加,与HR下降相吻合,在ATF马中观察到。PNS指数上升,对应于交感神经系统指数下降,运输过程中的ATS马匹。我们建议在热带环境中,中距离公路运输不会给运输经验的马匹带来压力。空气和负载条件影响荷尔蒙和自主调制,在用不同条件的卡车运输的马匹中引起不同的反应。
    Horse\'s stress responses have been reported during road transport in temperate but not tropical environments. Therefore, this study measured cortisol levels, heart rate (HR), and heart rate variability (HRV) in horses during medium-distance road transport with different truck conditions in a tropical environment. Six horses were repeatedly transported in either air-conditioned trucks with full (ATF) or space (ATS) loads or non-air-conditioned trucks with full (N-ATF) and space (N-ATS) loads. Blood cortisol was determined beforehand and 5, 30, and 90 minutes post-transport. HR and HRV were assessed pre-transport and at 15-minute intervals until 90 minutes post-transport. Cortisol levels increased significantly in N-ATS horses (but non-significantly in ATF, ATS, and N-ATF horses) at 5 minutes post-transport and returned to baseline by 30 minutes post-transport. Predominant parasympathetic nervous system (PNS) activity was observed during the first few hours and returned to baseline until the destination was reached. A recurrent, increased PNS activity was detected post-transport. Interaction effects of air condition-by-loading condition-by-time, air condition-by-time, and separate effects of air condition and time were observed on HR and various HRV variables during transport. A transient increase in beat-to-beat intervals, coinciding with decreased HR, was observed in ATF horses. The PNS index increased, corresponding to a decreased sympathetic nervous system index, in ATS horses during transport. We suggest that medium-distance road transport causes no stress for transport-experienced horses in a tropical environment. Air and loading conditions impacted hormonal and autonomic modulation, causing different responses in horses transported in differently conditioned trucks.
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  • 文章类型: Journal Article
    公共电动汽车充电站(EVCS)的部署是交通电气化的关键组成部分。最近的研究强调,人们越来越担心不同人口群体之间在使用公共充电器方面的差距。ThisresearchexpandsexpandingequityconcernsbycontextutualizingexistingtransportationequitydiscourseandanalyzingpublicchargeraccessdifferencesinAustin,德克萨斯州。使用门槛权益工具包,我们调查了不同种族和收入群体的公共EVCS访问差异.我们进行了广义加性模型回归,以测量和可视化可能的决定因素对公共EVCS访问的影响。分析结果表明,奥斯汀存在公共EVCS访问差异,大多数充电器安装在大多数人口是非西班牙裔白人的地区。与种族相比,公共EVCS在收入四分位数之间的分布更加平等。然而,就距离最近的公共EVCS的距离而言,中高收入群体比低收入群体更容易获得.我们的回归分析发现,区域和社会人口因素,比如种族和收入,对公共充电器接入有统计上的显著影响。回归分析还显示,奥斯汀目前的公共EVCS部署似乎有利于贫困水平以上和注册电动汽车数量更多的社区。地方决策者应反思本研究的结果,以制定公平的交通电气化计划。诸如Justice40倡议之类的联邦环境司法计划可以从纳入更多的地方环境中受益,以更好地投资于处境不利的社区。
    The deployment of public electric vehicle charging stations (EVCS) is a critical component of transportation electrification. Recent studies have highlighted growing concerns about disparities in accessibility to public chargers between different demographic groups. This research expands ongoing equity concerns by contextualizing existing transportation equity discourse and analyzing public charger access disparities in Austin, Texas. Using threshold equity toolkits, we investigated public EVCS access disparity across different races and income groups. We conducted a generalized additive model regression to measure and visualize the effects of possible determinants on public EVCS access. The analysis results revealed that a public EVCS access disparity exists in Austin, with most chargers being installed in areas where the majority of the population is Non-Hispanic White. There was a more equal distribution of public EVCSs across income quartiles when compared with race. However, middle- and high-income groups had better access than lower-income communities in terms of distance to the nearest public EVCSs. Our regression analysis found that regional and socio-demographic factors, such as race and income, have a statistically significant impact on public charger access. The regression analysis also revealed that Austin\'s current public EVCS deployment seems to favor communities above the poverty level and with higher numbers of registered electric vehicles. Local policymakers should reflect on the findings of this study to develop an equitable transportation electrification plan. Federal environmental justice plans such as the Justice40 initiative can benefit from incorporating more local contexts to better invest in disadvantaged communities.
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  • 文章类型: Journal Article
    The construction of road infrastructure has resulted in the degradation of wildlife habitat and the decrease of ecological network connectivity and stability. Studying the impacts of road infrastructure on wildlife life and migration is significant for regional wildlife conservation and ecological network optimization. We assessed the impacts of road infrastructure on habitat suitability using the MaxEnt model based on wildlife occurrence point data in the Guangdong-Hong Kong-Macao Greater Bay Area. We constructed the ecological networks and identified ecological breakpoints using the minimum cumulative resistance model, and compared the ecological network connectivity of different scenarios with the landscape connectivity index and graph theory index. The results showed that railway and motorway significantly affected habitat suitability, causing a decrease in wildlife habitat suitability. Affected by road infrastructure, the fragmentation of ecological sources intensified, the resistance of ecological corridors increased, and the ecological network connectivity and stability significantly decreased. A total of 536 ecological breakpoints were identified, which were concentrated in the area adjacent to ecological sources. The results would provide important scientific references for wildlife habitat conservation and ecological restoration in the Guangdong-Hong Kong-Macao Greater Bay Area.
    道路基础设施的建设导致野生动物栖息地生境退化,以及生态网络连通性和稳定性降低等问题。研究道路基础设施对野生动物生活和迁徙的影响,对区域野生动物保护和生态网络优化具有重要意义。本研究基于野生动物的出现点位数据,利用MaxEnt模型评估粤港澳大湾区道路基础设施对生境适宜性的影响,采用最小累计阻力模型构建生态网络并识别生态断裂点,同时,使用景观连通性指数与图论指数对比不同情景的生态网络连通性。结果表明: 研究区内部的铁路和高速公路对生境适宜性产生显著影响,造成野生动物栖息地适宜性降低;受道路基础设施的影响,生态源地破碎化加剧,生态廊道的通行阻力增加,生态网络的连通性和稳定性明显下降;共识别生态断裂点536处,集中分布于生态源地附近。研究结果可为粤港澳大湾区野生动物栖息地保护和生态网络连通性修复提供重要的科学参考。.
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  • 文章类型: Journal Article
    BACKGROUND: It is unknown whether short-term transportation affects endocrine responses similarly in horses with and without insulin dysregulation (ID).
    OBJECTIVE: To characterise the effect of short-term transportation on stress parameters and insulin responses to an oral sugar test (OST) in horses with and without ID.
    METHODS: Longitudinal cohort study.
    METHODS: Fourteen adult non-pregnant, non-PPID mares of mixed light breeds were grouped as either ID (n = 7) or non-ID (n = 7) based on endocrine testing. Over 2 weeks, horses were transported once, in groups of 3-4 in a horse trailer on a round-trip journey of ~1.5 h. Blood and saliva were collected 24 h and 1 h pre-transportation, directly after unloading and 15 min, 1 h, 3 h plus 24 h post-transportation. An OST was performed 24 h pre-transportation and 3 h post-transportation with a pre- (T0) and post-OST sample collected 60 min later (T60). Heart rates and rectal temperatures were also collected throughout the study. Serum insulin, serum cortisol, and plasma glucose were measured using validated assays. Repeated measures ANOVA were used to determine differences after transportation and between ID and non-ID horses. Non-normal data were log-transformed and multiple comparisons were adjusted using Bonferroni post hoc tests.
    RESULTS: Mean insulin was higher in ID horses versus non-ID horses (mean = 109.9 μU/mL vs. 30.2 μU/mL, p < 0.001; 95% CI for mean difference = [55.6-107.7 μU/mL]). Mean serum insulin increased following OST at T60 in ID horses pre- (154.6 μU/mL, p = 0.04; 95% CI = [86.3-223.0 μU/mL]) and post-transportation (284.6 μU/mL, p = 0.03; 95% CI = [114.3-454.8 μU/mL]). Non-ID horses had a mean OST T60 insulin post-transportation of 56.6 μU/mL (95% CI = [29.1-84.1 μU/mL]); above recognised threshold [45 μU/mL] for ID diagnosis.
    CONCLUSIONS: Small number of horses, only mares used, and OST not performed immediately post-transportation.
    CONCLUSIONS: Performing an OST 3 h following short-term transportation may result in inaccurate ID status.
    UNASSIGNED: Atualmente não se sabe se o transporte de curto prazo afeta as respostas endócrinas de maneira semelhante em cavalos com e sem disfunção insulinêmica (DI).
    OBJECTIVE: Caracterizar o efeito do transporte de curto prazo nos parâmetros de estresse e nas respostas de insulina a um teste de açúcar oral (TAO) em cavalos com e sem DI.
    UNASSIGNED: Estudo de coorte longitudinal. MÉTODOS: Quatorze éguas adultas não prenhes, sem disfunção da pars intermédia da pituitária, de raças leves foram agrupadas como DI (n = 7) ou não‐DI (n = 7) com base em testes endócrinos. Durante 2 semanas, as éguas foram transportadas uma vez, em grupos de 3 a 4,em um caminhão de cavalos, em uma viagem de ida e volta de ~1,5 h. Sangue e saliva foram coletados 24 h e 1 h antes do transporte, diretamente após o descarregamento e 15 min, 1 h, 3 h e 24 h após o transporte. Um TAO foi realizado 24 h antes do transporte e 3 h após o transporte, com uma amostra pré‐ (T0) e pós‐TOA coletada 60 min depois (T60). Frequências cardíacas e temperaturas retais também foram coletadas ao longo do estudo. Insulina sérica, cortisol sérico e glicose plasmática foram medidos usando ensaios validados. ANOVA de medidas repetidas foi utilizada para determinar diferenças após o transporte e entre cavalos com e sem DI. Dados não normais foram transformados logaritmicamente e comparações múltiplas foram ajustadas usando testes post hoc de Bonferroni.
    RESULTS: A média de insulina foi maior em cavalos com DI em comparação aos cavalos sem DI (média = 109,9 μU/mL vs 30,2 μU/mL, p < 0,001; IC 95% para diferença de média = [55,6–107,7 μU/mL]). A média de insulina sérica aumentou após o TAO em T60 em cavalos com DI antes (154,6 μU/mL, p = 0,04; IC 95% = [86,3–223,0 μU/mL]) e após o transporte (284,6 μU/mL, p = 0,03; IC 95% = [114,3–454,8 μU/mL]). Cavalos sem DI tiveram uma média de insulina TAO T60 pós‐transporte de 56,6 μU/mL (IC 95% = [29,1–84,1 μU/mL]); acima do limite reconhecido [45 μU/mL] para diagnóstico de DI. PRINCIPAIS LIMITAÇÕES: Pequeno número de cavalos, uso apenas de éguas e TAO não realizado imediatamente após o transporte. CONCLUSÕES: Realizar um TAO 3 horas após o transporte de curto prazo pode resultar em um status de DI impreciso.
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  • 文章类型: Journal Article
    目的:研究的目的是确定在整个法国COVID-19大流行期间与SARS-CoV-2传播相关的环境。
    方法:近期SARS-CoV-2感染病例与对照组(4:1比例)年龄匹配,性别,区域,人口规模,日历周在调整社会人口统计学特征的模型中,估计了9个时期SARS-CoV-2感染的几率,健康状况,COVID-19疫苗,过去的感染。
    结果:在2020年10月27日至2022年10月2日之间,有175,688例病例与43,922例对照相匹配。在整个研究过程中,与没有开放空间的办公室相比,开放空间办公室的感染风险增加(九个时期的OR范围:1.12至1.57)和长途火车(1.25至1.88),在大多数便利店的研究中(风险增加时期的OR范围:1.15至1.44),外卖交货(1.07至1.28),与亲戚拼车(1.09至1.68),的士(1.08至1.89),飞机(1.20至1.78),音乐会(1.31至2.09)和夜总会(1.45至2.95)。传输没有增加与短距离共享运输有关,通过平台预订的拼车,市场,超市和商场,理发师,博物馆,电影院,户外运动,和游泳池。在2021年6月重新开业后,酒吧和餐馆的感染风险增加的餐馆不再存在。它仅在40岁以下的人群中持续存在。
    结论:人们不太可能戴口罩的封闭环境受SARS-CoV-2传播的影响最大,应成为改善空气质量的重点。
    结果:GOV(03/09/2022):NCT04607941。
    OBJECTIVE: The aim of the study was to identify settings associated with SARS-CoV-2 transmission throughout the COVID-19 pandemic in France.
    METHODS: Cases with recent SARS-CoV-2 infection were matched with controls (4:1 ratio) on age, sex, region, population size, and calendar week. Odds ratios for SARS-CoV-2 infection were estimated for nine periods in models adjusting for socio-demographic characteristics, health status, COVID-19 vaccine, and past infection.
    RESULTS: Between October 27, 2020 and October 2, 2022, 175,688 cases were matched with 43,922 controls. An increased risk of infection was documented throughout the study for open-space offices compared to offices without open space (OR range across the nine periods: 1.12 to 1.57) and long-distance trains (1.25 to 1.88), and during most of the study for convenience stores (OR range in the periods with increased risk: 1.15 to 1.44), take-away delivery (1.07 to 1.28), car-pooling with relatives (1.09 to 1.68), taxis (1.08 to 1.89), airplanes (1.20 to 1.78), concerts (1.31 to 2.09) and night-clubs (1.45 to 2.95). No increase in transmission was associated with short-distance shared transport, car-pooling booked over platforms, markets, supermarkets and malls, hairdressers, museums, movie theatres, outdoor sports, and swimming pools. The increased risk of infection in bars and restaurants was no longer present in restaurants after reopening in June 2021. It persisted in bars only among those aged under 40 years.
    CONCLUSIONS: Closed settings in which people are less likely to wear masks were most affected by SARS-CoV-2 transmission and should be the focus of air quality improvement.
    RESULTS: GOV (03/09/2022): NCT04607941.
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