在患有膝关节骨关节炎的老年人中,缺血预调后心血管健康的变化
Joseph Lupa1, Shraddha Sudhir1, Nikou Nikoumanesh1
1Department of Physical Therapy, University of Illinois at Chicago, Chicago, Illinois, USA.
在患有膝关节骨关节炎 (KOA) 的老年人中,单次缺血预调 (IC) 会稍微增加血压,但没有影响血管功能或行走经济. 对于潜在的治疗应用,需要进一步的研究.
科学领域:
- 心血管生理学心血管生理学
- 老年医学 老年医学
- 类风湿病学 类风湿病学
背景情况:
- 缺血预调 (IC) 已知对心血管有好处.
- 它对患有膝关节骨关节炎 (KOA) 的老年人的影响基本上没有研究.
- 了解IC对这一群体的影响对于潜在的治疗策略至关重要.
研究的目的:
- 研究单个IC会话对心血管健康标志物的急性影响.
- 评估IC对KOA老年人代谢效率的影响.
- 为了探索血压,血管功能和步行经济的潜在变化.
主要方法:
- 区块随机化被用于将参与者分配到IC或假控制组.
- 在IC组接受了五个5分钟周期的225mmHg袖口膨胀,而假装组接受了25mmHg.
- 测量包括血压 (BP),增强指数 (AIx),脉冲波速度 (PWV) 和步行经济 (WE).
主要成果:
- 与对照组相比,IC组观察到静脉和腹血压的小但显著增加.
- 两组之间没有发现PWV,AIx或WE的显著变化.
- 这些发现表明IC对血压调节的潜在影响.
结论:
- 一次IC疗程可能暂时影响KOA老年人的血压.
- 在这个队列中,IC对血管功能和代谢效率的影响仍然不清楚.
- 对重复的IC会话和潜在机制的进一步研究是治疗探索的必要条件.
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