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1.
Objective: To compare anthropometric measures of body mass index (BMI), waist circumference (WC), waist-to-height ratio (WHtR), and sagittal abdominal diameter (SAD) as predictors of blood pressure in college students. Participants: Students (N = 116) were recruited from November 2012 to May 2014 at an urban university and rural community colleges. Methods: Students underwent a brief physical examination during which anthropometric measures were obtained and blood pressure was measured. Covariates were measured using self-reported questionnaires. Hierarchical multiple linear regressions were used for the data analysis. Results: All anthropometric measures were predictive of systolic (SBP) and diastolic blood pressure (DBP). WC was the strongest predictor of SBP (β = .582, p < .01) explaining an additional 3–4% of the variance than BMI, WHtR, or SAD. The measures were similar in predicting DBP. WC predicted SBP independent of BMI. Conclusions: Clinicians should consider using WC to assess the risk for hypertension in college students.  相似文献   
2.
以往的救灾实践对建立国家血液战略储备体系提出了迫切要求。国家血液战略储备库的建设问题亟待解决。由于血液产品特性以及应急血液保障特性的存在,使得国家血液战略储备库的选址决策具有一定的复杂性。本文将问题定位为选址-库存问题。首先,以应急条件下血液保障及时度最高为目标,构建了一个不确定环境下考虑多情景、多血型、多阶段、带提前期、有容量限制、日常随机需求、有预算约束及协同定位的国家血液战略储备库选址-库存模型。同时,为了规避应急条件下的不确定风险,进一步构建了国家血液战略储备库选址-库存问题的随机p-鲁棒优化模型。该模型为离散非线性混合整数规划模型,难以快速精确求解。故基于模型性质,设计了相应的遗传算法。最后,设计了两组算例验证模型与算法的有效性。其中,第1组算例基于我国大陆地区31个省级血液中心与省级行政区的数据,并根据不同预算值给出6个算例,得到了国家血液战略储备库的选址-库存决策方案。第2组算例为6个不同规模的模拟算例,用来测试不同规模下的算法性能。算例结果表明:遗传算法的性能更好;鲁棒解与确定性模型最优值相差不大(最大差距≤1.08%),可降低不确定性导致的风险。实践中,可对本文所建模型稍作改进,应用于具有类似特征的易腐品(药品、粮食等)应急物资储备库选址-库存决策。  相似文献   
3.
Many optimisation problems arise in managing the Blood Donation (BD) supply chain. Most of them have been addressed in the literature, while other problems, e.g. donation scheduling, have not been sufficiently addressed so far. However, blood collection from donors may have a disruptive impact on the entire BD supply chain if not properly managed. For example, scheduling donation appointments based on some system metrics may improve the flow of blood units through the BD supply chain and increase the quality of service perceived by donors. In this short communication, we present the donation scheduling problem and highlight the lack of work in the literature that deals with this problem. Then, we analyse the impact of an unbalanced flow of blood units on the BD system and the benefits that may derive from a suitable appointment scheduling. Finally, we propose suggestions for future research in BD collection scheduling that may improve the BD process.  相似文献   
4.
随着中国步入老龄化社会,对老年人的医疗护理工作越来越受到社会的重视。文章提出一种以ARM11架构CPU为核心的远程医疗监护系统,使用嵌入式linux操作系统进行全系统管理,可以通过因特网远程访问获取血压、脉搏、体温和实时视频等信息。经过实际测试,该系统完全达到设计要求,可以满足对监护人员的基本监护要求,大大减轻护理人员的工作量,具有较大的推广应用价值。  相似文献   
5.
ABSTRACT

Recently, the FDA announced that it would soon lift the long-standing lifetime ban on blood donation by men who have sex with men (MSM). Reexamining blood donation by MSM, it is clear that there are several ethical goods that must be balanced. Through balancing the primary duty to safety with the imperatives to craft a policy that is formally equal, upholds the public's trust, and is nondiscriminatory, an ethical blood donation deferral guideline may be advanced, both for MSM and the population at large.  相似文献   
6.
A weaver, seamstress, laundress and artist, in this essay I shall spin a yarn, tangle a web, and construct a text(ile) of the inter-weave of narrative and identity that I define as my intellectual, textual, somatic and material/visual practice obsessions. My work explores ‘the places in-between’ in the entanglements of Irish and Northern Irish gender and identity, and in the abject fabrics of death and of desire. As an Irish feminist, sense-making of the complexities, conundrums, challenges and contradictions of my land, my cloth, my body and my culture owes much to Irish women before me who fought for female suffrage, and Irish women now – north and south of the border that divides the island of Ireland – who still struggle for equality of citizenship, social justice, human rights, and full reproductive autonomy. My contention is that when we accept that Ireland herself is a many-layered cloth, a stained and bloodied cloth, a cloth marked irreversibly by history, conflict, denial and abuse, stained by its own repression, marked through denial of all its people’s rights and needs, and bloodied by its greatest export, the haemorrhage of its people, then – polemical, didactic or reflective, with more compassion, empathy, humility and heart – we just might make peace with our past.  相似文献   
7.
8.
Taking their cue from a seeming dissonance between the theory of commodification and exploitation of migrant care workers and the case study of the outsourced self proposed by Hochschild, the author speculates whether or not the family–caregiver relationship may be equal and inclusive. The argument is unraveled by posing another question en route: what specific ‘catalysts’ can trigger ‘high-intensity affective relationships’? Elster defines 'essentially byproduct' the result of a process lacking any direct and conscious link between outcome and intention, and requiring the relaxation of the control of reason in order to be fulfilled. The author mixes significant theoretical results coming both from the relational Palo Alto School and from history of families studies, concluding that an equal and inclusive relationship may be like an Elster’s ‘essentially byproduct’ of a market relationship , when a high-intensity affective relation acts as a ‘catalyst’. The frame suggested in this article seems consistent with recent constructionist reinterpretations of the idea of kinship, which take shape and evolve through ‘everyday experiences’. Kinship thus shifts towards a more complex undefined category, that of Karsten’s relatedness. Speaking of which, the author argues some logical reasons suggesting a generalized adoption of the term only with great care and caution.  相似文献   
9.
以非结构化访谈的形式调查广州血液中心与医院的整体血液配送流程,分析广州市采供血机构及用血单位的现状,探讨改进供需矛盾的解决方法。依照其运作流程,分析各类成本费用,建立匹配的基于定量控制法的经济订货批量EOQ(Economic Order Quantity)模型。发现广州市当前血液配送状况处于供不应求,最为需要解决的关键问题所在是供血源头困难。提出学习北京、香港等地的血液配送流程、统一信息平台、提高配送效率以优化供血环节,借助公益组织与媒体的推广作用,提高群众对血液供给与需求过程中涉及的费用的理解,从而解决供血源头紧缺困难。希望能为广州市血液配送系统的优化提供一定借鉴作用。  相似文献   
10.
According to recent findings, nonprofit organizations should address the relationships of nonprofit service quality, satisfaction, loyalty, and organizational identification when planning and evaluating donor surveys. This article presents a donor satisfaction barometer that can be used to gain insights into the strength of these key relationships and thereby establish a basis for calculated relevant indices. With such indices, nonprofit organizations can compare stakeholder performance over time and benchmark themselves against other organizations. Data from 2,599 blood donors to one section of the German Red Cross, collected through the proposed donor satisfaction barometer, show that service quality drives satisfaction, and donor satisfaction and organizational identification both exert significant positive effects on donor loyalty. Therefore, nonprofit organizations should use a combined strategic approach that improves both donor satisfaction and organizational identification to increase donor loyalty. The successful application of the donor satisfaction barometer also suggests its value for other nonprofit industries and offers important insights for managers.  相似文献   
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