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Primary Healthcare Services01:30

Primary Healthcare Services

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Primary care promotes wellness and prevents disease. This care includes health promotion, education, protection (such as immunizations), early disease screening, and environmental considerations. Settings providing this type of healthcare include physician offices, public health clinics, school nursing, and community health nursing.
In 1978, international leaders convened in Alma-Ata, Kazakhstan, for what would be a pivotal event in global health. The Alma-Ata Declaration was the first to call...
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Levels of Health Promotion and Illness Prevention01:26

Levels of Health Promotion and Illness Prevention

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Health promotion allows a person to control the determinants of health, resulting in an improved health status. It enhances the quality of life and reduces premature deaths. Health promotion and illness prevention programs help people make beneficial choices to reduce the risk of disease and disabilities. There are three health promotion and illness prevention levels: primary, secondary, and tertiary prevention.
In primary prevention, actions taken before disease onset prevent the disease from...
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Preventive Healthcare Services01:30

Preventive Healthcare Services

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Preventive healthcare services keep people healthy via frequent check-ups, screening, and counseling. They primarily aid in disease prevention rather than treating an acute or chronic illness. Preventive treatment also keeps individuals productive and energetic, allowing them to work well into their retirement years. Examples of preventive care services include:
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Principles of Disease Surveillance01:26

Principles of Disease Surveillance

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Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
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Healthcare Agencies II01:17

Healthcare Agencies II

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There are various healthcare agencies in the United States—some of which are managed by religious institutions and others by different government branches.
Parish nursing is a growing specialty nursing profession that focuses on holistic healthcare, health promotion, and illness prevention. It blends professional nursing practice with a health ministry, focusing on health and healing within the context of a Christian community. Parish nurses serve as health educators, referral sources,...
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Methods Of Healthcare Delivery System01:26

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At the different levels of the healthcare system, we see varying methods of healthcare used. These methods include managed care systems, case management, and primary healthcare.
Managed Care System:
The managed care system is designed to control the cost while maintaining the quality of care. The patient's care from admission to discharge is planned by the primary care provider or the case manager, also known as the gatekeeper. In a managed care system, the number of care providers is...
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公共卫生 公共卫生

Samantha Lg Paço1, Shea J Andrews2, Michel Satya Naslavsky3

  • 1Universidade de São Paulo, São Paulo, Sao Paulo, Brazil.

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概括
此摘要是机器生成的。

多基因风险评分 (PRS) 显示了巴西和欧洲老年人认知衰退的不同预测能力. 遗传祖先显著影响不同人群的阿尔茨海默病风险和认知表现.

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科学领域:

  • 遗传学 是一个遗传学.
  • 神经科学是一个神经科学.
  • 人口健康 人口健康

背景情况:

  • 阿尔茨海默氏病 (AD) 与认知能力下降有关,而像APOE4等位基因因素增加了风险.
  • 多基因风险评分 (PRS) 汇总遗传变异来预测AD易感性.
  • 这项研究研究了巴西 (SABE) 和欧洲 (ADNI) 人口中的PRS模型,以了解对认知障碍的遗传影响.

研究的目的:

  • 评估不同多基因风险评分 (PRS) 模型在预测认知障碍方面的有效性.
  • 检查遗传祖先和APOE4等位基因对混合和欧洲人群认知表现的影响.
  • 将SABE和ADNI数据集中的PRS模型性能进行比较.

主要方法:

  • 使用PRSice-2生成的PRS,包括Bel,Kunkle,Kunkle-AFR和PRS_SUM模型.
  • 分析了SABE (巴西,n=1,103) 和ADNI (欧洲,n=785) 队列的数据.
  • 使用线性回归与引导,控制年龄,性别,教育,APOE4状态和当地祖先.

主要成果:

  • 在SABE中,年龄对认知有负面影响,而教育对认知有积极影响. APOE4 显示出较小的影响,在欧洲血统的个体中更为明显. PRS模型解释了26.6-26.8%的差异.
  • 在SABE中进行的本地祖先分析显示,欧洲和东亚祖先的同性更高.
  • 在ADNI中,APOE4显著影响了MMSE得分. 昆克尔PRS模型 (R2=0.155) 在认知变化方面显示出比Kunkle-AFR (R2=0.131) 更高的预测能力.

结论:

  • PRS模型展示了不同祖先群体对认知表现的各种预测能力.
  • 当地祖先对于理解SABE队列等混合人群的认知障碍至关重要.
  • 遗传因素,包括PRS和APOE4,与祖先进行复杂的相互作用,以影响老龄人口的认知健康.