Improving outcomes from cardiac rehabilitation among older adults through exercise testing and individualized exercise intensity prescriptions

通过运动测试和个性化运动强度处方改善老年人心脏康复的结果

基本信息

  • 批准号:
    10672281
  • 负责人:
  • 金额:
    $ 59.07万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2022
  • 资助国家:
    美国
  • 起止时间:
    2022-08-01 至 2027-07-31
  • 项目状态:
    未结题

项目摘要

PROJECT SUMMARY Heart disease and its treatments, including hospitalization, surgery, and procedures, can result in devastating loss of function, particularly in inactive older adults, who often face a prolonged recovery. Maximizing fitness and promoting adequate physical activity (PA) are critical targets for healthy aging and recovery after a cardiac event. Cardiac rehabilitation (CR) provides up to 36 supervised exercise training sessions and lifestyle counseling to these patients and is thus ideally positioned to promote full recovery, encourage regular PA, optimize cardiac health, and support more successful aging for these patients. However, many CR programs fail to meet established benchmarks for improving fitness among their patients. This failure is likely attributable to marked differences in exercise intensity prescription practices across CR programs, which have recently been identified. Specifically, the most common method for prescribing exercise intensity in CR is the use of ratings of perceived exertion (RPE) coupled with a “rule of thumb” approach to achieve an exercise training heart rate (HR) that is 20-30 bpm higher than resting HR. While easy to implement, these usual care (UC) techniques often result in a self-selected and suboptimal exercise intensity. This, in turn, leads to lower gains in fitness and failure to reach established benchmarks. Instead, societal guidelines recommend patients undergo a graded exercise test (GXT) to measure a peak exercise HR and be prescribed exercise intensity using a computed target heart rate range (THRR). This approach (GXT-THRR) allows tailoring of exercise based on the individual patient’s response to acute exercise. However, no studies to date have tested the efficacy of GXT- THRR compared to UC, and this critical knowledge gap is likely responsible for the marked differences in exercise intensity prescription techniques across programs. Our preliminary data suggest GXT-THRR will lead to greater gains in fitness in CR, boost self-efficacy, reduce fear of exercise, and improve outcomes. To address this fundamental question, we will perform a 320-person randomized trial comparing GXT- THRR to UC among older adults with heart disease attending CR. In Aim 1, we will measure improvements in fitness during CR. In Aim 2, we will assess the impact of GXT-THRR on psychological factors associated with exercise adherence (self-efficacy and fear). In Aim 3, we will evaluate how the use of GXT-THRR impacts long-term PA, quality of life, fitness, and clinical outcomes. Our multi-disciplinary team has broad experience in all aspects of this proposal, including exercise physiology, CR, cardiology, geriatrics, and psychology. Our approach is informed by a successful pilot trial which demonstrated the clear feasibility and potential effectiveness of GXT-THRR. Ultimately, we anticipate our results will promote evidence-based exercise intensity practices in CR programs, leading to greater improvements in fitness, PA, and exercise self-efficacy, and more successful aging.
项目概要 心脏病及其治疗,包括住院、手术和手术,可能会导致毁灭性的后果 功能丧失,尤其是不活动的老年人,他们往往面临长期的康复过程。最大化健身 和促进充足的体力活动 (PA) 是健康老龄化和心脏病后恢复的关键目标 事件。心脏康复 (CR) 提供多达 36 次监督运动训练课程和生活方式 为这些患者提供咨询,因此非常适合促进完全康复,鼓励定期 PA, 优化心脏健康,并支持这些患者更成功地衰老。然而,许多 CR 计划 未能达到改善患者健康状况的既定基准。此次失败的原因很可能是 各个 CR 项目的运动强度处方实践存在显着差异,这些项目最近 已被识别。 具体来说,在 CR 中规定运动强度的最常见方法是使用评级 感知用力 (RPE) 结合“经验法则”方法来实现运动训练心率 (HR) 比静息心率高 20-30 bpm。这些常规护理 (UC) 技术虽然易于实施 通常会导致自我选择和次优的运动强度。反过来,这会导致健身效果下降, 未能达到既定基准。相反,社会指南建议患者接受分级治疗 运动测试 (GXT) 用于测量峰值运动心率并使用计算得出的运动强度来规定运动强度 目标心率范围 (THRR)。这种方法 (GXT-THRR) 允许根据 个别患者对急性运动的反应。然而,迄今为止还没有研究测试过 GXT-的功效。 THRR 与 UC 相比,这种关键的知识差距可能是造成 跨计划的运动强度处方技术。我们的初步数据表明 GXT-THRR 将领先 更大程度地提高 CR 健康水平、提高自我效能、减少对运动的恐惧并改善结果。 为了解决这个基本问题,我们将进行一项 320 人随机试验,比较 GXT- 在接受 CR 治疗的患有心脏病的老年人中从 THRR 到 UC。在目标 1 中,我们将衡量以下方面的改进 CR期间的健身。在目标 2 中,我们将评估 GXT-THRR 对与以下相关的心理因素的影响 锻炼坚持(自我效能和恐惧)。在目标 3 中,我们将评估 GXT-THRR 的使用如何影响 长期 PA、生活质量、健康和临床结果。 我们的多学科团队在该提案的各个方面都拥有丰富的经验,包括练习 生理学、CR、心脏病学、老年病学和心理学。我们的方法源自成功的试点试验 这证明了 GXT-THRR 的明确可行性和潜在有效性。最终,我们预计 我们的结果将促进 CR 计划中基于证据的运动强度实践,从而带来更大的效果 健身、体能活动和运动自我效能的改善,以及更成功的老龄化。

项目成果

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Quinn Russell Pack其他文献

Quinn Russell Pack的其他文献

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{{ truncateString('Quinn Russell Pack', 18)}}的其他基金

Implementing Effective Smoking Cessation Pharmacotherapy for Hospitalized Smokers with Cardiopulmonary Disease
对患有心肺疾病的住院吸烟者实施有效的戒烟药物治疗
  • 批准号:
    10588125
  • 财政年份:
    2022
  • 资助金额:
    $ 59.07万
  • 项目类别:
Implementing Effective Smoking Cessation Pharmacotherapy for Hospitalized Smokers with Cardiopulmonary Disease
对患有心肺疾病的住院吸烟者实施有效的戒烟药物治疗
  • 批准号:
    10367000
  • 财政年份:
    2022
  • 资助金额:
    $ 59.07万
  • 项目类别:
Identifying Effective Strategies to Improve Participation in Cardiac Rehabilitation after an Acute Cardiac Hospitalization
确定有效策略以提高急性心脏病住院后心脏康复的参与度
  • 批准号:
    9980205
  • 财政年份:
    2017
  • 资助金额:
    $ 59.07万
  • 项目类别:
Identifying Effective Strategies to Improve Participation in Cardiac Rehabilitation after an Acute Cardiac Hospitalization
确定有效策略以提高急性心脏病住院后心脏康复的参与度
  • 批准号:
    9386305
  • 财政年份:
    2017
  • 资助金额:
    $ 59.07万
  • 项目类别:

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