A New Paradigm for Hypertension in the Elderly- Beyond Age

老年人高血压的新范式——超越年龄

基本信息

项目摘要

DESCRIPTION (provided by applicant): Over 60% of adults age ≥ 65 years have high blood pressure (BP), but optimal management of high BP in the elderly remains controversial. Contrary to evidence in middle age that lowering BP is clearly beneficial, data in older adults are inconsistent and high BP may not be a risk factor in all elders. We recently reported that, among participants in the National Health and Nutrition Examination Survey age e65 years, high BP was a risk factor for all-cause and cardiovascular (CV) death only among persons in better health status (defined as fast walking of a 20-ft walk test). In contrast, high BP was not a risk factor among slow walkers. Additionally, the benefit of lowering BP in all elders remains an issue of debate; a recent meta-analysis in persons age 80 years and older reported no benefit of BP treatment on mortality, and significant heterogeneity across trials. Finally, there is growin concern for potential harms associated with treatment to lower BP. Excessive lowering of BP, particularly diastolic, has been associated with increased risk for death and cardiovascular events in some studies. In the proposed research, we propose a novel paradigm where the associations of BP with adverse outcomes in older persons are considered in the setting of the complex aging process. Our long-term goal is to reliably identify elderly persons in whom BP treatment is beneficial and those in whom treatment is ineffective or even harmful, by defining subpopulations of similar health status. Specifically, aim 1 proposes to elucidate factors from four domains (functional, cognitive/mental, self-rated health, and physiologic) that can identify elderly persons in whom high systolic BP is strongly associated with higher risk for death and CV events, and those in whom it is not, using data from three NIH-funded cohorts: Cardiovascular Health Study (CHS), Health Aging and Body Composition (Health ABC) and Sacramento Area Latino Study of Aging (SALSA). In aim 2, we will evaluate the role of diastolic BP across level of health status. Finally, based on findings from these observational cohorts, in aim 3 we will evaluate whether these factors can identify elderly persons in whom treatment to lower BP is of maximum benefit in two randomized controlled trials: the Systolic Hypertension in the Elderly (SHEP) and the Secondary Prevention of Small Subcortical Strokes (SPS3). Since participants in trials are healthier than the U.S. population, we will also evaluate the effect of treatment in the observational studies, using state-of-the-art causal inference methods, which can correct for the bias of standard analytic approaches. Completion of these aims will substantially advance our understanding of the importance of high BP in older adults; will improve our ability to identify elderly persons who will benefit from BP treatment; will allow a systematic understanding of groups in whom evidence for BP treatment is lacking; and will guide design of future trials of hypertension in elderly adults.
描述(由申请人提供):超过60%的65岁的≥成年人患有高血压,但老年人高血压的最佳管理仍然存在争议。与中年降压明显有益的证据相反,老年人的数据并不一致,高血压可能并不是所有老年人的风险因素。我们最近报道,在国家健康和营养检查调查的参与者中,年龄65岁的人中,高血压只在健康状况较好的人(定义为20英尺步行测试的快走)中是全因和心血管(CV)死亡的风险因素。相比之下,在步态缓慢的人中,高血压并不是一个危险因素。此外,在所有老年人中降低血压的益处仍然是一个有争议的问题;最近一项针对80岁及以上人群的荟萃分析报告称,BP治疗对死亡率没有好处,而且在试验中存在显著的异质性。最后,人们越来越担心与降血压治疗相关的潜在危害。在一些研究中,BP的过度降低,特别是舒张压的降低,与死亡和心血管事件的风险增加有关。在拟议的研究中,我们提出了一种新的范式,在复杂的老龄化过程中,BP与老年人不良后果的关联被考虑在内。我们的长期目标是通过定义健康状况相似的亚群,可靠地识别BP治疗有益的老年人和治疗无效甚至有害的老年人。具体地说,目标1建议使用NIH资助的三个队列的数据,从四个领域(功能、认知/精神、自我评估健康和生理)阐明可以识别收缩压高与死亡和心血管事件风险较高相关的老年人以及那些不与此相关的老年人:心血管健康研究(CHS)、健康老龄化与身体成分(Health ABC)和萨克拉门托地区拉丁裔老龄化研究(SALSA)。在目标2中,我们将评估舒张压在健康状况水平上的作用。最后,基于这些观察队列的结果,在目标3中,我们将在两个随机对照试验中评估这些因素是否能够确定降压治疗对老年人最大的益处:老年收缩期高血压(SHEP)和皮质下小卒中二级预防(SPS3)。由于试验参与者比美国人更健康,我们还将使用最先进的因果推理方法来评估观察性研究中的治疗效果,这种方法可以纠正标准分析方法的偏差。完成这些目标将大大提高我们对老年人高血压重要性的理解;将提高我们识别将从BP治疗中受益的老年人的能力;将使我们能够系统地了解缺乏BP治疗证据的群体;并将指导未来老年人高血压试验的设计。

项目成果

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Michelle Christina Odden其他文献

Michelle Christina Odden的其他文献

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{{ truncateString('Michelle Christina Odden', 18)}}的其他基金

Population Health Aging Research - Advancing Health Equity and Diversity (PHAR-AHEaD)
人口健康老龄化研究 - 促进健康公平和多样性 (PHAR-AHEaD)
  • 批准号:
    10629072
  • 财政年份:
    2023
  • 资助金额:
    $ 31.43万
  • 项目类别:
Cardiovascular and Cerebrovascular Risk Factors for Mobility Limitation in the Jackson Heart Study
杰克逊心脏研究中导致活动受限的心脑血管危险因素
  • 批准号:
    10576340
  • 财政年份:
    2020
  • 资助金额:
    $ 31.43万
  • 项目类别:
Cardiovascular and Cerebrovascular Risk Factors for Mobility Limitation in the Jackson Heart Study
杰克逊心脏研究中导致活动受限的心脑血管危险因素
  • 批准号:
    10152490
  • 财政年份:
    2020
  • 资助金额:
    $ 31.43万
  • 项目类别:
Cardiovascular and Cerebrovascular Risk Factors for Mobility Limitation in the Jackson Heart Study
杰克逊心脏研究中导致活动受限的心脑血管危险因素
  • 批准号:
    10359113
  • 财政年份:
    2020
  • 资助金额:
    $ 31.43万
  • 项目类别:
Cardiovascular and Cerebrovascular Risk Factors for Mobility Limitation in the Jackson Heart Study
杰克逊心脏研究中导致活动受限的心脑血管危险因素
  • 批准号:
    9922637
  • 财政年份:
    2020
  • 资助金额:
    $ 31.43万
  • 项目类别:
A New Paradigm for Hypertension in the Elderly- Beyond Age
老年人高血压的新范式——超越年龄
  • 批准号:
    9519485
  • 财政年份:
    2017
  • 资助金额:
    $ 31.43万
  • 项目类别:
A New Paradigm for Hypertension in the Elderly- Beyond Age
老年人高血压的新范式——超越年龄
  • 批准号:
    9185255
  • 财政年份:
    2014
  • 资助金额:
    $ 31.43万
  • 项目类别:
A New Paradigm for Hypertension in the Elderly- Beyond Age
老年人高血压的新范式——超越年龄
  • 批准号:
    9402033
  • 财政年份:
    2014
  • 资助金额:
    $ 31.43万
  • 项目类别:
Modeling Optimal Strategies to Prevent Cardiovascular Events in Older Adults
模拟预防老年人心血管事件的最佳策略
  • 批准号:
    9015740
  • 财政年份:
    2012
  • 资助金额:
    $ 31.43万
  • 项目类别:
Modeling Optimal Strategies to Prevent Cardiovascular Events in Older Adults
模拟预防老年人心血管事件的最佳策略
  • 批准号:
    8416372
  • 财政年份:
    2012
  • 资助金额:
    $ 31.43万
  • 项目类别:

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