大人的精神压力或感冒引起的动脉,血液动力学和自主反应的相似性和差异:一个随机交叉研究
Francisco J Fensterseifer1, Iara G Teixeira2, Welliton Oracz3
1Multicenter Post-Graduate Program in Physiological Sciences, Biological Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, Brazil.
Physiological reports
|March 12, 2026
概括
斯特鲁普颜色词测试 (Stroop) 和冷压器测试 (CPT) 同样影响动脉反应. 然而,Stroop诱导了更快的心血管和自主反应,表明对心理压力的预期调整.
科学领域:
- 心血管生理学心血管生理学
- 自主神经系统功能自主神经系统功能
- 神经血管合器的神经血管合器
背景情况:
- 冷压器测试 (CPT) 是为评估心血管和自主反应而建立的.
- 斯特鲁普色词测试 (Stroop) 也被使用,但其血管效应需要进一步阐明.
- 了解差异性压力因素的影响对于生理学研究至关重要.
研究的目的:
- 为了比较血管,血液动力学和自主性应对精神压力 (Stroop) 与冷压力 (CPT) 的反应.
- 为了评估Stroop和CPT之间的动脉反应率 (CAR) 差异.
- 分析心率 (HR) 和动脉压 (AP) 的变化和自主调制.
主要方法:
- 随机交叉研究涉及20名参与者接受Stroop和CPT.
- 持续记录动脉压 (AP),心率 (HR) 和R-R间隔 (RRi) 进行自主分析.
- 用超声波测量动脉反应率 (CAR).
主要成果:
- 在Stroop和CPT之间,CAR的大小是可比的,但Stroop显示到峰值响应的时间要短得多.
- 与Stroop相比,CPT诱导了扩张压和平均动脉压的更大增加.
- 斯特鲁普导致了更大的HR增加和更明显的偏交感调制 (RMSSD,HF) 的减少.
结论:
- 斯特鲁普测试唤起了类似于CPT的CAR大小,但具有较早的峰值响应.
- 这些发现支持预期性生理调整对心理压力的作用.
- 这两种测试都有效地引起了心血管和自主变化,具有不同的时间概况.
相关概念视频
Neural Regulation of Blood Pressure
8.0K
The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
8.0K
Autoregulation of Blood Flow
8.6K
Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation....
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation....
8.6K
Disorders of the Autonomic Nervous System
1.8K
The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
Raynaud's disease, also known as Raynaud's...
Raynaud's disease, also known as Raynaud's...
1.8K
Psychoneuroimmunology: Cardiovascular Disease
645
Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
A key area of focus in PNI is the relationship between stress and coronary...
645
Regulation of the Cardiovascular System
4.7K
The regulation of the cardiovascular system allows the body to adapt to various demands and maintain homeostasis.
The regulation of the cardiovascular system involves the autonomic nervous system (ANS), baroreceptors, and chemoreceptors, ensuring that heart rate and blood pressure are appropriately modulated in response to varying physiological demands.
The ANS comprises two main divisions: the sympathetic and parasympathetic nervous systems. The sympathetic nervous system enhances...
The regulation of the cardiovascular system involves the autonomic nervous system (ANS), baroreceptors, and chemoreceptors, ensuring that heart rate and blood pressure are appropriately modulated in response to varying physiological demands.
The ANS comprises two main divisions: the sympathetic and parasympathetic nervous systems. The sympathetic nervous system enhances...
4.7K
Special considerations while measuring blood pressure
1.4K
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.
1.4K


