Workload

工作量
  • 文章类型: Journal Article
    目的:普通内科是医疗保健系统中的关键要素。了解有多少人正在和将要在这一领域工作对于维持和提高医疗保健系统中患者的质量非常重要。这可以为政治决策提供依据。
    方法:我们进行了一项横断面研究,以分析瑞士目前和未来的通才(医院的全科医生和内科医生)劳动力。瑞士普通内科学会(SSGIM)向所有成员分发了一份调查。受访者被问及他们目前在2023年的平均工作量和2033年的计划工作量。响应用于计算当前和未来的通才员工的全职当量(FTE),并推断所有活跃的SSGIM成员的FTE。为了对2033年的需求进行建模,我们推导了不同的方案。
    结果:在所有6,232名活跃的SSGIM成员中,2,030(33%)参加:46%的女性,25%(最大年龄组)56-65岁,19%仍在研究生培训中。2023年女性的平均工作量为78%,男性通才的平均工作量为87%;FTE推断到2023年所有活跃的SSGIM成员为5,246。到2033年,1,935家FTE(36%)将退休,502个FTE(10%)将减少他们的工作量,116名FTE(2%)将增加其工作量,而2,800名FTE(53%)将留在员工队伍中,工作量与2023年相同。为了保持与2023年相同的劳动力,到2033年将需要2,321个新的FTE(44%)。为了填补每年232名FTE新通才的空白,我们用感兴趣的假设模拟了不同的场景,工作量,迁移和辍学。
    结论:仅在十年内,目前44%的通才劳动力将消失,主要是由于退休和工作量减少。为了填补这个空白,需要结合各种场景。呼吁政治家建立政治框架,为通才创造有吸引力的培训和工作条件,以满足未来对医疗保健服务的需求。
    OBJECTIVE: General internal medicine is a crucial element in healthcare systems. Understanding how many people are and will be working in this field is important to maintain and improve quality for patients in healthcare systems. This can provide a basis for political decisions.
    METHODS: We conducted a cross-sectional study to analyse the current and future workforce of generalists (general practitioners and internists in hospitals) in Switzerland. The Swiss Society of General Internal Medicine (SSGIM) distributed a survey to all members. Respondents were asked about their current average workload in 2023 and planned workload in 2033. The responses were used to calculate full-time equivalent (FTE) for the current and future workforce of generalists and to extrapolate FTE for all active SSGIM members. To model the demand by 2033, we derived different scenarios.
    RESULTS: Of all 6,232 active SSGIM members, 2,030 (33%) participated: 46% female, 25% (largest age group) 56-65 years old, 19% still in postgraduate training. The average workload in 2023 was 78% for female and 87% for male generalists; the FTE extrapolated to all active SSGIM members in 2023 was 5,246. By 2033, 1,935 FTEs (36%) will retire, 502 FTEs (10%) will reduce their workload, 116 FTEs (2%) will increase their workload and 2,800 FTEs (53%) will remain in the workforce with the same workload as in 2023. To maintain the same workforce as in 2023, 2,321 new FTEs (44%) will be needed by 2033. To fill this gap of 232 FTE new generalists per year, we modelled different scenarios with assumptions of interest, workload, migration and dropouts.
    CONCLUSIONS: Within only one decade, 44% of the current workforce of generalists will disappear, mainly due to retirement and decreased workload. To fill this gap, various scenarios need to be incorporated. Politicians are called upon to create the political framework to create attractive training and working conditions for generalists to address the future demand for healthcare services.
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  • 文章类型: Journal Article
    目的:研究通常调查有疼痛的员工患病缺勤的风险因素的有限数量或预定组合。我们检查了各种与工作相关的因素和疼痛感知中经常出现的组合。
    方法:横断面研究。
    方法:受IDEWE监督的比利时公司,在工作中预防和保护的外部服务。
    方法:总共,包括249名经历了至少6周疼痛的员工,并填写了一份在线调查。
    结果:潜在轮廓分析用于区分与工作相关的因素的轮廓(身体需求,工作量,社会支持和自主性)和痛苦感知(灾难性的,恐惧回避信念和痛苦接受)。随后,在社会人口统计上比较了概况(年龄,性别,教育水平,工作安排,投诉的持续时间,前一年的多部位疼痛和疾病缺席)和疾病缺席的预测因素(行为意图和感知的行为控制)。
    结果:确定了四个概况。在所有指标中,概况1(38.2%)得分良好,概况4(14.9%)得分不利。概况二(33.3%)对身体要求相对较高,适度的自治水平和其他指标的有利分数。概况3(13.7%)显示出相对较低的实物需求,适度的自治水平,但在其他指标上得分不利。资料的预测因素是年龄(OR0.93和95%CI(0.89至0.98)),教育水平(OR0.28和95%CI(0.1至0.79))和上一年的疾病缺勤时间(OR2.29和95%CI(0.89至5.88))。在四个方面,行为意图(χ2=8.92,p=0.030)和感知行为控制(χ2=12.37,p=0.006)存在显着差异。
    结论:这项研究强调了考虑工作相关因素与员工疼痛感知之间相互作用的重要性。单个工作因素的不利分数可能不会转化为适应不良的疼痛感知或随后的疾病缺席,如果缓解因素到位。必须特别注意处理不利工作条件以及适应不良疼痛观念的员工。在这种情况下,社会支持成为影响病假的重要因素。
    OBJECTIVE: Studies usually investigate a limited number or a predefined combinations of risk factors for sickness absence in employees with pain. We examined frequently occurring combinations across a wide range of work-related factors and pain perceptions.
    METHODS: Cross-sectional study.
    METHODS: Belgian companies that are under supervision of IDEWE, an external service for prevention and protection at work.
    METHODS: In total, 249 employees experiencing pain for at least 6 weeks were included and filled out an online survey.
    RESULTS: Latent profile analysis was used to differentiate profiles of work-related factors (physical demands, workload, social support and autonomy) and pain perceptions (catastrophising, fear-avoidance beliefs and pain acceptance). Subsequently, profiles were compared on sociodemographics (age, gender, level of education, work arrangement, duration of complaints, multisite pain and sickness absence in the previous year) and predictors of sickness absence (behavioural intention and perceived behavioural control).
    RESULTS: Four profiles were identified. Profile 1 (38.2%) had favourable scores and profile 4 (14.9%) unfavourable scores across all indicators. Profile 2 (33.3%) had relatively high physical demands, moderate autonomy levels and favourable scores on the other indicators. Profile 3 (13.7%) showed relatively low physical demands, moderate autonomy levels, but unfavourable scores on the other indicators. Predictors of profiles were age (OR 0.93 and 95% CI (0.89 to 0.98)), level of education (OR 0.28 and 95% CI (0.1 to 0.79)) and duration of sickness absence in the previous year (OR 2.29 and 95% CI (0.89 to 5.88)). Significant differences were observed in behavioural intention (χ2=8.92, p=0.030) and perceived behavioural control (χ2=12.37, p=0.006) across the four profiles.
    CONCLUSIONS: This study highlights the significance of considering the interplay between work-related factors and pain perceptions in employees. Unfavourable scores on a single work factor might not translate into maladaptive pain perceptions or subsequent sickness absence, if mitigating factors are in place. Special attention must be devoted to employees dealing with unfavourable working conditions along with maladaptive pain perceptions. In this context, social support emerges as an important factor influencing sickness absence.
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  • 文章类型: Journal Article
    背景:研究引用了包括阿拉伯国家在内的世界许多地区的研究伦理委员会面临的缺点和挑战。本文介绍了与研究伦理委员会(REC)主席进行定性深入访谈的结果,以探讨他们对他们在工作中面临的挑战以及对涉及人群的研究的监督的看法。
    方法:对六个国家的生物医学和/或社会行为研究伦理委员会的主席(n=11)进行了虚拟深入访谈,转录,编码并接受重复主题的主题分析。
    结果:两组反复出现的主题阻碍了委员会的工作,并对研究应用的质量提出了担忧:(1)程序和委员会层面的挑战,例如繁重的工作量,成员资格的变化,阻碍官僚程序,成员过度劳累,以及在审查过程中交叉的社会文化价值观;(2)研究人员在应用研究伦理和研究方法方面的能力不一致。
    结论:REC椅子的叙述对于阐明调查中未发现的经验和问题很重要,增加对该地区有影响的知识体系,以及世界其他地区的低收入和中等收入国家(LMICs)。国际研究合作可以从这些发现中受益。
    BACKGROUND: Research cites shortcomings and challenges facing research ethics committees in many regions across the world including Arab countries. This paper presents findings from qualitative in-depth interviews with research ethics committee (REC) chairs to explore their views on the challenges they face in their work with the oversight of research involving human populations.
    METHODS: Virtual in-depth interviews were conducted with chairs (n = 11) from both biomedical and/or social-behavioral research ethics committees in six countries, transcribed, coded and subject to thematic analysis for recurring themes.
    RESULTS: Two sets of recurring themes impede the work of the committees and pose concerns for the quality of the research applications: (1) procedures and committee level challenges such as heavy workload, variations in member qualification, impeding bureaucratic procedures, member overwork, and intersecting socio-cultural values in the review process; (2) inconsistencies in the researchers\' competence in both applied research ethics and research methodology as revealed by their applications.
    CONCLUSIONS: Narratives of REC chairs are important to shed light on experiences and issues that are not captured in surveys, adding to the body of knowledge with implications for the region, and low- and middle-income countries (LMICs) in other parts of the world. International research collaborations could benefit from the findings.
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  • 文章类型: Journal Article
    女子艺术体操(WAG)是一项复杂的美学运动,运动员从小就开始,并在职业生涯中承受高负荷。关于优秀年轻体操运动员的外部和内部训练负荷特征知之甚少。
    高训练负荷,随着几周的变化,是预期的。外部和内部负载变量之间存在关系。
    队列研究。
    3级。
    七位精英级巴西青年艺术体操运动员(年龄,11.3±0.4年;质量,33.0±7.0kg;高度,137.7±10.6厘米;经验,4.0±1.2年)参加了这项研究。监测五个非连续微循环。通过计算训练课程的视频记录中的元素数量以及感知的锻炼方法的课程等级来量化外部和内部训练负荷。
    总共监测了168个单独的训练课程。对于所有训练负荷变量,成功参加主要比赛的微循环显示训练负荷明显低于其他4个微循环中的≥3个,除了Vault元素,其中微循环4只不如比赛前的微循环。每周的内部训练负荷与元素总数和在高低杠上执行的元素之间存在显着相关性。
    青年女子艺术体操运动员在接近大型比赛的几周内表现出外部和内部训练负荷变量的波动。这项运动中的训练负荷管理必须考虑每个设备的特殊性,因为他们有不同的需求和训练负荷行为。
    对青少年WAG及其器械的外部和内部训练负荷的更好理解可以使教练和支持人员受益,并提供更多信息以克服体操训练负荷管理的挑战。
    UNASSIGNED: Women\'s artistic gymnastics (WAG) is a complex aesthetic sport in which athletes start at a young age and are exposed to high loads during their careers. Little is known about the external and internal training load characteristics among elite young gymnasts.
    UNASSIGNED: High training loads, with variations over the weeks, are expected. There is a relationship between external and internal load variables.
    UNASSIGNED: Cohort study.
    UNASSIGNED: Level 3.
    UNASSIGNED: Seven elite-level Brazilian youth artistic gymnasts (age, 11.3 ± 0.4 years; mass, 33.0 ± 7.0 kg; height, 137.7 ± 10.6 cm; experience, 4.0 ± 1.2 years) participated in this study. Five nonconsecutive microcycles were monitored. Both external and internal training loads were quantified by counting the number of elements in video recordings of training sessions and by the session rating of perceived exertion method.
    UNASSIGNED: A total of 168 individual training sessions were monitored. The microcycle that succeeded the main competition showed a significantly lower training load than ≥3 of the other 4 microcycles for all training load variables, except for vault elements, of which microcycle 4 was inferior only to the microcycle before the competition. Significant correlations were found between weekly internal training load and the total of elements and elements performed on uneven bars.
    UNASSIGNED: Youth women\'s artistic gymnasts present fluctuations in external and internal training load variables over the weeks close to a major competition. Training load management in this sport must consider the specificity of each apparatus, as they have different demands and training load behaviors.
    UNASSIGNED: A better comprehension of external and internal training loads in youth WAG and its apparatuses can benefit coaches and support staff and provide more information to overcome the challenge of training load management in gymnastics.
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  • 文章类型: Journal Article
    背景:人口老龄化和护理劳动力问题正在给全球长期护理带来挑战,因此,改善与工作相关的健康和护士的保留至关重要。因此,进一步了解影响长期护理工作压力的因素很重要。以前,主要通过主观工具研究了工作需求对护士健康的影响。在这项研究中,我们研究了在芬兰长期护理(24小时辅助生活设施)工作的护士间接测量的工作日特征与感知压力和时间压力之间的关系.
    方法:来自芬兰44个辅助生活设施的503名护士完成了时间测量调查和幸福感问卷。数据与居民评估工具登记册中的客户特征相关联。工作日期间测量的护理事件数量之间的关系,客户的护理需求,并使用多因素logistic回归分析了休息时间,感知压力和时间压力的量。
    结果:有更多护理事件和有更大护理需求的客户的护士有更高的压力。更多的护理事件和减少的休息时间与高时间压力相关。工作日的中断与高压力和时间压力密切相关。最后,处于高压力和时间压力下的护士在团队自主性较低的团队中工作更频繁。
    结论:我们对间接测量的工作需求的研究结果表明,通过更好的工作分工在护士之间平均分配工作量有助于减少护士在长期护理中的压力和时间压力。此外,确保足够的中断时间和防止不必要的中断是重要的。为了帮助招聘和留住护理人员,需要公平的管理工作,以满足不同的客户护理需求和工作量。此外,立法和治理工具,如人员编制水平规定,进一步考虑工作需求可能有助于减少护士的工作压力。
    患者或护士没有参与研究的设计,分析,或对结果的解释,或在准备手稿时。
    BACKGROUND: Aging populations and nursing workforce issues are causing challenges for long-term care globally, and therefore, improving the work-related wellbeing and retention of nurses is crucial. As such, gaining a further understanding of the factors that affect work strain in long-term care is important. Previously, the effect of job demands on the wellbeing of nurses has been researched principally by subjective instruments. In this study, we examined the relationship between indirectly measured workday characteristics and perceived stress and time pressure among nurses working in Finnish long-term care (assisted living facilities with 24-hour assistance).
    METHODS: A total of 503 nurses from 44 assisted living facilities across Finland completed time measurement surveys and wellbeing questionnaires. The data were linked with client characteristics from the Resident Assessment Instrument register. The relationships between the measured number of care events during the workday, clients\' care needs, and the amount of breaktime and perceived stress and time pressure were analyzed using multivariate logistic regression.
    RESULTS: Nurses who had more care events and clients with greater care needs were at higher odds of having high stress. More care events and reduced breaktime were associated with high time pressure. Disruptions during the workday were strongly associated with both high stress and time pressure. Last, nurses who were under high stress and time pressure worked more often in teams with lower team autonomy.
    CONCLUSIONS: Our findings on indirectly measured job demands indicate that dividing the workload equally among nurses through better work division can help reduce the stress and time pressure of nurses in long-term care. In addition, ensuring sufficient breaktime and preventing unnecessary disruptions is important. To help recruit and retain the care workforce, fair management of work that accounts for varying client care needs and workload is needed. In addition, legislative and governance tools, such as staffing level regulation, and further consideration of job demands might aid in reducing the job strain of nurses.
    UNASSIGNED: Patients or nurses were not involved in the design of the study, analysis, or interpretation of the results, or in the preparation of the manuscript.
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  • 文章类型: Journal Article
    虽然学习方法与学生的学习成绩直接相关,学习环境因素可能起到更间接的作用。本研究的目的是(I)评估学习环境因素作为学生平均考试成绩的预测因素,(ii)研究方法是否介导了学习环境因素与考试成绩之间的关联。
    三项年度调查(2017-2019年)来自总共263名挪威职业治疗学生的数据。学习环境因素通过课程体验问卷进行评估,学生的方法和学习技能清单被用来评估学习方法。进行线性回归分析和中介分析。
    较高的“学生自主性”水平与较低的平均成绩直接相关,而较高的“适当工作量”水平与较高的平均成绩相关。“明确的目标”和“适当的工作量”对成绩的总间接影响具有统计学意义;这些影响是通过研究方法变量发生的。然而,所有学习环境变量都显示出一种或多种与学业成绩的关系,这是由学习方法变量介导的。
    学习环境变量似乎与学业成绩复杂相关,直接和间接。
    UNASSIGNED: While study approaches have been directly associated with students\' academic performance, learning environment factors may play a more indirect role. The aim of this study was (i) to assess learning environment factors as predictors of students\' average exam grades, and (ii) whether study approaches mediated associations between learning environment factors and exam grades.
    UNASSIGNED: Three annual surveys (2017-2019) yielded data from a total of 263 Norwegian occupational therapy students. Learning environment factors were assessed with the Course Experience Questionnaire, and the Approaches and Study Skills Inventory for Students were used to assess study approaches. Linear regression analyses and mediation analyses were performed.
    UNASSIGNED: Higher levels of \'student autonomy\' were directly associated with lower averaged grades whereas higher levels of \'appropriate workload\' were associated with higher averaged grades. There were statistically significant total indirect effects of \'clear goals\' and \'appropriate workload\' on grades; these effects occurred through the study approach variables. However, all learning environment variables showed one or more relationships with academic performance that was mediated by study approach variables.
    UNASSIGNED: Learning environment variables appear to be complexly associated with academic performance, both directly and indirectly.
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  • 文章类型: Journal Article
    目的:本研究旨在调查精神科护士体面劳动现状并分析其影响因素。
    方法:2024年2月,对杭州某三级甲等精神病医院358名护士进行了整群抽样的横断面研究,浙江省,中国。使用定制的护士人口统计量表收集数据以收集人口统计信息。努力-回报失衡问卷(ERIQ)用于通过努力-回报比(ERR)评估努力与回报之间的不平衡。社会支持评定量表(SSRS)衡量的是主观支持,客观支持,并支持利用。体面工作感知量表(DWPS)用于评估护士对体面工作的感知。T-tests,单向方差分析,皮尔逊相关分析,采用多元线性回归分析进行数据分析。
    结果:研究发现体面工作与社会支持呈正相关(r=0.360,p<0.001),而努力奖励失衡为负(r=-0.584,p<0.001)。影响对体面工作的看法的因素包括多年的工作经验(β=-0.164,p=0.046,<5年;β=-0.157,p=0.040,>25年),社会支持(β=0.259,p<0.001),和努力-回报失衡(β=-0.458,p<0.001)。这些因素共同解释了对体面工作的看法差异的40.2%。此外,社会支持在努力-回报失衡和体面工作之间起中介作用(β=-0.062,Bootstrap95%CI:-0.107,-0.023)。
    结论:研究结果表明,多年的工作经验,社会支持,努力-回报失衡是影响精神科护士体面工作的因素。通过提供职业发展机会,培养支持性的工作环境,并确保公平的赔偿,我们可以授权精神科护士有效地应对工作挑战,并在工作中保持体面。
    OBJECTIVE: This study aimed to investigate the current status of decent work among psychiatric nurses and analyze its influencing factors.
    METHODS: In February 2024, a cross-sectional study was conducted with a cluster sample of 358 nurses from a tertiary Grade A psychiatric hospital in Hangzhou, Zhejiang Province, China. Data were collected using a custom-made nurse demographic scale to gather demographic information. The Effort-Reward Imbalance Questionnaire (ERIQ) was used to assess the imbalance between effort and reward through the effort-reward ratio (ERR). The Social Support Rating Scale (SSRS) measured subjective support, objective support, and support utilization. The Decent Work Perception Scale (DWPS) was used to evaluate nurses\' perceptions of decent work. T-tests, one-way ANOVA, Pearson\'s correlation analysis, and multiple linear regression analyses were employed for data analysis.
    RESULTS: The study found that the correlation between decent work and social support was positive (r = 0.360, p < 0.001), while it was negative for effort-reward imbalance (r = -0.584, p < 0.001). Factors influencing perceptions of decent work included years of work experience (β = -0.164, p = 0.046 for < 5 years; β = -0.157, p = 0.040 for > 25 years), social support (β = 0.259, p < 0.001), and the effort-reward imbalance (β=-0.458, p < 0.001). These factors collectively explained 40.2% of the variance in perceptions of decent work. Furthermore, social support plays a mediating role between effort-reward imbalance and decent work (β=-0.062, Bootstrap 95% CI: -0.107, -0.023).
    CONCLUSIONS: The findings suggest that years of work experience, social support, and the effort-reward imbalance are factors influencing decent work among psychiatric nurses. By offering career development opportunities, fostering supportive work environments, and ensuring fair compensation, we can empower psychiatric nurses to navigate job challenges effectively and sustain a sense of decency in their work.
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  • 文章类型: Journal Article
    背景技术高血压是与心血管疾病相关的主要可改变的危险因素之一,并且其患病率目前在各个年龄组中正在增加。这项研究旨在评估血压,人口统计数据,工作量,波兰东南部Subcarpathian地区医院雇用的护士的生活方式因素。材料与方法这项横断面观察性研究是在627名专业活跃的护士中进行的。经认证的设备用于测量:体重分析仪(TanitaMC-980PLUSMA),自动血压计(WelchAllyn4200B),辐射计(Seca213),和卷尺(Seca201)。使用调查方法评估特定产品组的消费频率。使用R软件(4.3.1版)的分析采用逻辑回归来检查影响高血压发生的变量。结果研究发现,护士的血压升高比他们的自我报告更为普遍。Logistic回归分析确定了高血压的重要预测因子,包括年龄(赔率比;OR=1.061;OR=1.045),工作超过1个工作(OR=1.579;OR=1.864),和体重指数(OR=1.152;OR=1.113)。结论定期监测血压是高血压早期发现和及时干预的必要条件。提高护士对自身健康的认识将鼓励采取积极的预防措施。实施针对心血管疾病预防最新进展的全面教育计划至关重要。
    BACKGROUND Hypertension is one of the main modifiable risk factors linked to cardiovascular disease and its prevalence is currently increasing in various age groups. This study aimed to evaluate blood pressure, demographic data, workload, and lifestyle factors in nurses employed in hospitals in the Subcarpathian region of southeastern Poland. MATERIAL AND METHODS This cross-sectional observational study was conducted among 627 professionally active nurses. Certified devices were used for measurements: body mass analyzer (Tanita MC-980 PLUS MA), automated sphygmomanometer (Welch Allyn 4200B), stadiometer (Seca 213), and tape measure (Seca 201). The frequency of consumption of specific product groups was assessed using a survey method. Analysis using R software (version 4.3.1) employed logistic regression to examine variables affecting hypertension occurrence. RESULTS The study found that elevated blood pressure is more prevalent among nurses than they self-report. Logistic regression analysis identified significant predictors for hypertension, including age (odds ratio; OR=1.061; OR=1.045), working more than 1 job (OR=1.579; OR=1.864), and body mass index (OR=1.152; OR=1.113). CONCLUSIONS Regular monitoring of blood pressure is necessary for early detection and timely intervention of hypertension. Enhancing nurses\' awareness of their own health will encourage proactive preventive measures. Implementing comprehensive education programs focused on the latest advances in cardiovascular disease prevention is essential.
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  • 文章类型: Journal Article
    目标:紧急医疗服务(EMS)提供者暂时上升到高海拔,以进行无压力且没有氧气补充设施的直升机在山区的主要任务和次要运输。脑氧饱和度的降低会导致急性暴露于高原期间注意力和反应时间以及护理质量的损害。
    目的:本研究的主要目的是调查在急性暴露于高原期间补充氧气对直升机EMS(HEMS)提供者认知能力的影响。
    方法:这种介入,随机化,控制,双盲,交叉临床试验于2021年10月进行。每次试验都使用相当于4000米的模拟海拔场景,其中志愿者在受控的环境舱中以4m/s的恒定上升速率暴露于低压缺氧,可复制,和安全的条件。审判可以随时自愿终止。纳入标准是年龄在18至60岁之间的急诊医疗服务和搜救服务成员以及美国麻醉师协会的身体状况等级I。
    方法:每位参与者进行了2项试验,一种是在补充氧气的情况下暴露于高原(干预试验),另一种是在补充环境空气的情况下暴露于高原(对照试验)。
    方法:测量包括外周血氧饱和度(SpO2),脑氧合(ScO2),呼吸和心率,精神运动警觉测验(PVT)数字符号替换测试(DSST),n-Back测试(2-BACK),沟槽板测试,以及关于主观表现的问卷调查,压力,工作量,积极和消极的影响。配对t检验用于比较条件(干预与控制)。使用广义估计方程(GEE)进一步分析数据。
    结果:共有36名志愿者(30名男性;平均[SD]年龄,36[9]年;平均[SD]教育,17[4]年)接受了干预和对照试验。干预试验,与对照试验相比,具有较高的SpO2值(平均值[SD],97.9[1.6]%vs.86[2.3]%,t检验,p=0.004)和ScO2(平均值[SD],69.9[5.8]%与62.1[5.2]%,配对t检验,p=0.004)。与对照试验相比,干预试验在5分钟后对PVT的反应时间(RT)较短(平均值[SD],277.8[16.7]msvs.282.5[15.3]ms,配对t检验,p=0.006)和30分钟后(平均值[SD],276.9[17.7]msvs.280.7[15.0]ms,配对t检验,p=0.054)在高度。在控制其他变量的同时,SpO2每降低%,RT增加0.37ms.干预试验显示,正确反应的DSST数量明显较高(平均值[SD],1.2[3.2],配对t检验,p=0.035)。干预试验中的变量与对照试验中的DSST错误反应数相似,2-BACK,和沟槽板测试。
    结论:这项随机临床试验发现,在急性暴露于4000m海拔期间,补充氧气可以改善HEMS提供者的认知能力。补充氧气的使用可以允许在HEMS提供者中保持注意力和及时反应。同一天反复的海拔上升的影响,剥夺睡眠,和额外的压力源应该调查。试验注册NCT05073406,ClinicalTrials.gov试验注册。
    OBJECTIVE: Emergency medical services (EMS) providers transiently ascend to high altitude for primary missions and secondary transports in mountainous areas in helicopters that are unpressurised and do not have facilities for oxygen supplementation. The decrease in cerebral oxygen saturation can lead to impairment in attention and reaction time as well as in quality of care during acute exposure to altitude.
    OBJECTIVE: The primary aim of the current study was to investigate the effect of oxygen supplementation on cognitive performance in Helicopter EMS (HEMS) providers during acute exposure to altitude.
    METHODS: This interventional, randomized, controlled, double-blind, cross-over clinical trial was conducted in October 2021. Each trial used a simulated altitude scenario equivalent to 4000 m, in which volunteers were exposed to hypobaric hypoxia with a constant rate of ascent of 4 m/s in an environmental chamber under controlled, replicable, and safe conditions. Trials could be voluntarily terminated at any time. Inclusion criteria were being members of emergency medical services and search and rescue services with an age between 18 and 60 years and an American Society of Anesthesiologists physical status class I.
    METHODS: Each participant conducted 2 trials, one in which they were exposed to altitude with oxygen supplementation (intervention trial) and the other in which they were exposed to altitude with ambient air supplementation (control trial).
    METHODS: Measurements included peripheral oxygen saturation (SpO2), cerebral oxygenation (ScO2), breathing and heart rates, Psychomotor Vigilance Test (PVT), Digit-Symbol Substitution Test (DSST), n-Back test (2-BACK), the Grooved Pegboard test, and questionnaires on subjective performance, stress, workload, and positive and negative affect. Paired t-tests were used to compare conditions (intervention vs. control). Data were further analyzed using generalized estimating equations (GEE).
    RESULTS: A total of 36 volunteers (30 men; mean [SD] age, 36 [9] years; mean [SD] education, 17 [4] years) were exposed to the intervention and control trials. The intervention trials, compared with the control trials, had higher values of SpO2 (mean [SD], 97.9 [1.6] % vs. 86 [2.3] %, t-test, p = 0.004) and ScO2 (mean [SD], 69.9 [5.8] % vs. 62.1 [5.2] %, paired t-test, p = 0.004). The intervention trials compared with the control trials had a shorter reaction time (RT) on the PVT after 5 min (mean [SD], 277.8 [16.7] ms vs. 282.5 [15.3] ms, paired t-test, p = 0.006) and after 30 min (mean [SD], 276.9 [17.7] ms vs. 280.7 [15.0] ms, paired t-test, p = 0.054) at altitude. While controlling for other variables, there was a RT increase of 0.37 ms for each % of SpO2 decrease. The intervention trials showed significantly higher values for DSST number of correct responses (with a difference of mean [SD], 1.2 [3.2], paired t-test, p = 0.035). Variables in the intervention trials were otherwise similar to those in the control trials for DSST number of incorrect responses, 2-BACK, and the Grooved Pegboard test.
    CONCLUSIONS: This randomized clinical trial found that oxygen supplementation improves cognitive performance among HEMS providers during acute exposure to 4000 m altitude. The use of oxygen supplementation may allow to maintain attention and timely reaction in HEMS providers. The impact of repeated altitude ascents on the same day, sleep-deprivation, and additional stressors should be investigated. Trial registration NCT05073406, ClinicalTrials.gov trial registration.
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  • 文章类型: Journal Article
    目的:探讨瑞典的初级卫生保健工作者如何经历和认识到大流行对其工作的长期影响。
    方法:这是一项描述性定性研究,在COVID-19发病2年后进行了个人半结构化访谈。使用归纳专题方法分析数据。
    方法:瑞典农村和城市地区的初级卫生保健单位。
    方法:29名医疗保健提供者(6名注册护士,7名助理护士,8名医生和8名经理)在瑞典初级卫生保健。
    结果:数据分析产生了三个总体主题:(1)仍然受到大流行影响的初级卫生保健;(2)永久性的初级卫生保健变化;(3)为处理影响初级卫生保健的未来危机而汲取的经验教训。参与者经历了很高的工作量,即使在大流行之后,并得出结论,在精神上和工作上都需要几年的时间才能赶上。在未来处理可能影响初级医疗保健的危机方面,我们吸取了四个教训:建立一个有凝聚力的初级医疗保健管理系统的重要性,以提供有关初级医疗保健人员应如何工作的建议。需要各级管理支持,限制和调整初级保健的信息流,并确定初级保健要承担额外任务的必要资源。
    结论:COVID-19大流行发生两年后,瑞典的初级卫生保健工作者经历了他们的工作仍然受到大流行的影响。我们的发现强调了确保足够的恢复时间并提供反思初级卫生保健人员经验的机会的重要性。这还包括为应对危机后医护人员的繁重工作量和紧张的精力水平做好准备。
    OBJECTIVE: To explore how primary healthcare workers in Sweden experienced and perceived the long-term impact of the pandemic on their work.
    METHODS: This is a descriptive qualitative study with individual semistructured interviews conducted 2 years after the onset of COVID-19. Data were analysed using an inductive thematic approach.
    METHODS: Swedish primary healthcare units in rural and urban locations.
    METHODS: 29 healthcare providers (6 registered nurses, 7 assistant nurses, 8 physicians and 8 managers) in Swedish primary healthcare.
    RESULTS: Data analysis yielded three overarching themes: (1) primary healthcare still affected by the pandemic; (2) primary healthcare changes made permanent; and (3) lessons learnt for handling future crises affecting primary healthcare. The participants experienced a high workload, even after the pandemic, and concluded that it would take years to catch up both mentally and workwise. Four lessons were learnt for future handling of crises that might affect primary healthcare: the importance of creating a cohesive primary healthcare management system to provide clarity regarding recommendations for how primary healthcare personnel should work, the need for management support at all levels, restricting and adapting the flow of information for primary healthcare and ascertaining the necessary resources if primary healthcare is to take on additional tasks.
    CONCLUSIONS: Two years after the onset of the COVID-19 pandemic, primary healthcare workers in Sweden experienced that their work was still affected by the pandemic. Our findings highlight the importance of ensuring sufficient recovery time and providing opportunities for reflection on the experiences of primary healthcare personnel. This also includes preparedness for managing the heavy workload and strained energy levels of healthcare workers in the aftermath of a crisis.
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