中心年结石和大动脉硬化与内皮功能障碍的关系
Mohammed N Elganainy1, Mohamad H Farrag1, Ehab N Selim1
1Cardiovascular Medicine, National Heart Institute, Cairo, EGY.
Cureus
|June 6, 2024
概括
中心环状化 (MAC) 和大动脉硬化 (AVS) 与心动脉内膜介质厚度 (CIMT) 的增加有关,这表明与全身动脉样硬化有联系. 需要进一步的研究来了解这些膜化的心血管影响.
科学领域:
- 心血管医学 心血管医学
- 血管生物学 血管生物学
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
背景情况:
- 动脉疾病 (CAVD) 和环化 (MAC) 与心血管疾病和全身血管病理有关.
- MAC,大动脉硬化 (AVS) 和血管功能障碍的标志物,如动脉内膜介质厚度 (CIMT) 和内皮功能之间的关系尚不清楚.
研究的目的:
- 调查MAC,AVS和血管功能障碍标志物之间的关联,特别是CIMT和内皮功能.
- 探索膜化和亚临床动脉样硬化之间的联系.
主要方法:
- 对200名接受心声回声扫描的患者进行前性观察性研究.
- 分层分为孤立的MAC,孤立的AVS,结合的MAC和AVS,以及对照组.
- 评估CIMT和内皮功能,使用 carotid双重超声波和反应性高血压检测.
主要成果:
- 与对照组相比,患有孤立的AVS,孤立的MAC和结合的MAC和AVS的患者显示CIMT增加.
- 结合MAC和AVS组的CIMT明显高于对照组 (p=0.031).
- AVS与增加CIMT的可能性更高 (p=0.008);内皮功能障碍在不同组中没有显著差异.
结论:
- MAC和AVS与CIMT的增加有关,这表明它们在系统性动脉样硬化过程中发挥了作用.
- 虽然内皮功能障碍没有显著升高,但研究结果强调需要在CAVD和MAC中进一步进行心血管研究.
- 这项研究强调了膜化和亚临床血管变化之间的联系.
相关概念视频
Mitral Valve Prolapse I: Introduction
IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
Mitral Valve Prolapse II: Assessment and Management
IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular tachycardia.
Mitral Regurgitation I: Introduction
Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
Mitral Stenosis I: Introduction
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
Mitral Stenosis II: Clinical features and Diagnostic Tests
Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
Aortic Regurgitation II: Clinical Features and Diagnostic Tests
Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...


