通过血管活性测试引起的表型的含义是什么?
Shozo Sueda1, Keisho Kurokawa2, Tomoki Sakaue3
1Department of Cardiology, Pulmonology, Hypertension & Nephrology, Ehime University Graduate School of Medicine, Toon City, Japan; Department of Cardiology, Ehime Prefectural Niihama Hospital, Niihama City, Japan.
Journal of cardiology
|July 15, 2023
概括
血管活性测试通过引起冠状动脉动来诊断血管性心痛. 的表型,焦点或扩散,因性别和代理物而异,影响临床结果,但它们的长期稳定性是不确定的.
科学领域:
- 心脏病学 心脏病学
- 血管医学 血管医学
- 诊断测试 诊断测试 诊断测试
背景情况:
- 冠状动脉上心是各种心脏病的关键因素.
- 使用乙胆 (ACH) 或埃尔冈诺 (ER) 的血管活性测试是诊断血管节痛的标准.
- 引起的表现为焦点或扩散类型,受患者人口统计学和测试剂的影响.
研究的目的:
- 分析引起冠状动脉的特征和影响因素的现象型.
- 研究表型,潜在的冠状动脉病理和临床结果之间的关系.
- 通过血管活性测试来评估通过血管活性测试识别的表型的可复制性和持久性.
主要方法:
- 冠状动脉内注射乙胆 (ACH) 和勃诺 (ER) 以引起冠状动脉.
- 引起的的分类,分为焦点和扩散的表型.
- 对现型与性别,种族,血管活性剂,冠状动脉斑块特征和临床结果的相关性分析.
主要成果:
- 扩散性在患有ACH的女性中更常见,而焦点在患有ER的男性中更普遍.
- 焦点与黄色斑块,冠状动脉血栓和内脏厚有关,并且与较差的临床结果有关.
- 引起的长期可重现性和永久性表型仍然不确定,可能是瞬间反应.
结论:
- 血管活性测试揭示了不同的冠状动脉的表型 (焦点与扩散) 受性别和诱导剂的影响.
- 焦点,通常与动脉样硬化有关,与更糟糕的结果有关,突出表型分类的临床意义.
- 需要进一步的研究,以了解这些引起的现象的稳定性和临床影响.
相关概念视频
01:16Vascular Spasm
1.5K
The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last...
1.5K
01:18Disorders of the Autonomic Nervous System
711
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...
711
01:17Autoregulation of Blood Flow
2.4K
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....
2.4K
01:23Antihypertensive Drugs: Vasodilators
573
Vasodilators, primarily affecting the smooth muscles within arterial and venous walls, are commonly used for hypertension treatment. Medications such as minoxidil and hydralazine primarily target arteries and arterioles, while sodium nitroprusside acts on arterioles and venules. Minoxidil, functioning as a prodrug, is metabolized by hepatic sulfotransferase into its active form, minoxidil sulfate, after oral administration. This metabolite binds to the sulfonylurea receptor (SUR) component of...
573
01:20Vascular Resistance
4.3K
Vascular resistance is a critical concept in understanding blood flow dynamics in the circulatory system. It refers to the resistance that blood encounters as it flows through the blood vessels. This resistance is a key factor in determining blood pressure and cardiac workload.
The primary determinants of vascular resistance are vessel diameter, blood viscosity, and vessel length. Among these, vessel diameter plays the most significant role due to the fourth power relationship described by...
The primary determinants of vascular resistance are vessel diameter, blood viscosity, and vessel length. Among these, vessel diameter plays the most significant role due to the fourth power relationship described by...
4.3K