腹部支和瓦萨尔瓦机动对健康成年人大脑和周围血液动力学的比较影响:随机交叉研究
Ji-Hyeon Yu1, Ju-Yeon Jung2, Yeong-Bae Lee3
1Department of Neuroscience, Gachon Advanced Institute for Health Sciences & Technology (GAIHST), Gachon University, Incheon 21999, Republic of Korea.
Medicina (Kaunas, Lithuania)
|November 27, 2025
概括
腹部支架和瓦萨尔瓦机动不同影响血液流动. 瓦萨尔瓦机动影响中央循环,而腹部支架影响周围循环,为血液动力学调节提供了洞察力.
科学领域:
- 生理学 生理学 生理学
- 心血管研究研究心血管研究
- 运动科学 运动科学
背景情况:
- 适当的血液流动对于组织氧化是必不可少的.
- 脑血管和周围循环的变化对健康有重大影响.
- 了解腔内压力对血液动力学的影响至关重要.
研究的目的:
- 为了研究腹部支架 (AB) 和瓦萨尔瓦机动 (VM) 对中央和外围血液动力学的影响.
- 为了比较这些动作对血液流量调节的不同影响.
- 探索调节腔内压力的潜在临床和运动应用.
主要方法:
- 随机交叉研究与30名健康的年轻成年人.
- 参与者按随机顺序执行了腹部支架和瓦萨尔瓦机动.
- 包括血压,心率和氧和在内的血液动力学参数在干预前和后被测量.
主要成果:
- 两者VM和AB都增加了心率和缩血压.
- 在这两次操作中,大脑的氧和量都下降了,这表明氧气需求增加了.
- VM提高了中央血管阻力,而AB降低了外围氧和,增加了外围脉冲波速度.
结论:
- 不同的内腔压力机制不同地影响中央和外周血动力学.
- 腔内压力可以选择性调节血液动力学反应.
- 研究结果表明,在临床环境和运动生理学中有潜在的应用.
更多相关视频
04:20Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure
Published on: October 1, 2019
6.2K
14:09Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
Published on: March 21, 2013
21.6K
相关概念视频
01:23Assessment of blood pressure in brachial artery(two-step method)
1.4K
Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
1.4K
01:17Measurement of Blood Pressure
2.6K
Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
2.6K
01:28Special considerations while measuring blood pressure
1.1K
When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
1.1K
01:21Sites for measruring blood pressure
3.3K
Blood pressure measurement is a fundamental clinical procedure, providing crucial data for assessing cardiovascular health. Among the various sites for this measurement, the brachial and popliteal arteries are predominantly utilized due to their accessibility and the reliability of their readings. This lesson delves into the anatomical significance, methodology, and considerations of measuring blood pressure at these locations.
The Brachial Artery: Primary Site for Blood Pressure Measurement
The Brachial Artery: Primary Site for Blood Pressure Measurement
3.3K