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相关概念视频

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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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

Pieter J van der Veere1,2,3, Hana M Broulíková2,4,5, Jeroen Hoogland3

  • 1Amsterdam Neuroscience, Neurodegeneration, Amsterdam, Netherlands.

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概括

一个新的模拟模型准确地预测了生物标志物确认的患者中阿尔茨海默病的进展. 减缓认知衰退的干预措施显著延迟了制度化,为阿尔茨海默病 (AD) 治疗提供了希望.

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科学领域:

  • 生物医学建模模型
  • 神经退行性疾病的进展神经退行性疾病的进展
  • 药理干预模拟药理干预模拟

背景情况:

  • 目前的阿尔茨海默病 (AD) 模拟模型缺乏生物标志物确认,限制了它们对治疗资格的适用性.
  • 需要模拟生物标志物确认的AD患者的自然疾病轨迹的模型来评估治疗效果.
  • 这项研究通过在记忆诊所中为粉样蛋白阳性个体开发模型来解决这个差距.

研究的目的:

  • 开发和验证一个微模拟模型,用于生物标志物确认的阿尔茨海默病 (AD) 患者的自然疾病进展.
  • 在假设的治疗场景下,评估在不同疾病阶段 (MCI,轻度,中度,重度痴呆,住院) 获得的时间.
  • 量化针对认知衰退和过渡危险的干预措施的影响.

主要方法:

  • 开发了一种AD微型模拟模型,包含了以下几个阶段:轻度认知障碍 (MCI),轻度,中度,重度痴呆,住院和死亡.
  • 估计模型参数使用来自阿姆斯特丹痴呆症队列的388名粉素阳性MCI和762名粉素阳性痴呆症患者的数据.
  • 利用微型精神状态检查 (MMSE) 的联合模型来研究疾病状态之间的衰退和转变;与观察到的累积发病率对模型性能进行了验证.

主要成果:

  • 该模型表现出良好的表现,预测的累积发病率与观察到的数据密切匹配.
  • 估计平均自然疾病进展时间为:MCI (3.4年),轻度痴呆 (2.6年),中度痴呆 (1.6年),重度痴呆 (1.0年) 和住院 (1.7年),从MCI到死亡总计10.2年.
  • 模拟干预显示出显著的好处:30%的MMSE下降减缓了MCI持续时间延长了4个月,并延迟了12个月的制度化;结合干预进一步改善了结果.

结论:

  • 已成功开发了一种经过验证的微模拟模型,用于生物标志物确认的AD患者 (MCI和轻度痴呆症).
  • 该模型准确量化了不同治疗机制和假设的治疗场景的纵向后果.
  • 这种工具可以帮助评估粉样蛋白向治疗在临床实践和药物开发中的潜在有效性.