在社区居住的个人和运动员中,椎脊髓损伤的室腔动脉合
Guillermo A Alanis1,2, Alexandra M Williams1,2, Brian Hayes1,2
1International Collaboration on Repair Discoveries, Vancouver, BC, V5Z 1M9, Canada.
Journal of applied physiology (Bethesda, Md. : 1985)
|January 17, 2026
概括
椎脊髓损伤 (SCI) 破坏了心脏动脉的通信. 患有SCI的运动员比非运动员保持更好的心血管合,这表明运动对长期心脏健康有好处.
科学领域:
- 心血管生理学心血管生理学
- 神经科学是一个神经科学.
- 运动科学 运动科学
背景情况:
- 椎脊髓损伤 (SCI) 损害了交感神经系统的控制,影响了心脏和血管功能.
- 心室 - 动脉合 (VAC) 评估心脏动脉的机械和能量效率,使用末缩弹性 (Ees) 和动脉弹性 (Ea).
研究的目的:
- 在患有宫SCI的个体中调查VAC,将运动员 (SCI-A) 和非运动员 (SCI-NA) 与有能力 (AB) 的对照进行比较.
- 在动物SCI模型中对侵入性导管测量进行非侵入性Ees估计方法的验证.
主要方法:
- 心脏收缩性 (Ees) 和动脉弹性 (Ea) 在SCI-NA,SCI-A和AB参与者中进行了非侵入性测量.
- 使用两种不同的非侵入性方法计算VAC:VAC (sb) 和VAC (LVOT).
- 在动物中,侵入性Ees测量与非侵入性收缩性 (LVOT) 进行了比较,使用线性回归和ICC.
主要成果:
- 与AB个体相比,在SCI-NA和SCI-A中观察到较低的心脏收缩性 (收缩性(LVOT)).
- 与SCI-A和AB组相比,SCI-NA组的动脉弹性 (Ea(Simp)) 显著更高.
- 与AB和SCI-A组相比,SCI-NA显示VAC (LVOT) 的升高,表明心动脉通信受损.
结论:
- 患有宫SCI的非运动员由于收缩率降低和动脉弹性升高而表现出增加的VAC,这表明心脏动脉脱.
- 宫SCI的运动员尽管收缩能力降低,但仍然保持着维护的VAC,这表明慢性炼可能会保持心脏动脉合.
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