动脉硬和心房肌病的标志物
Magdalena Okrajni1, Pyotr Platonov2, Iram Faqir Muhammad1
1Department of Clinical Sciences, Malmö, Lund University, Malmö, Sweden.
概括
通过c-f PWV和Aix75测量的动脉硬与较少的过早心房综合体 (PAC) 有关. 然而,动脉硬度和P波指数之间没有发现任何关联,这表明与心房肌病有复杂的关系.
科学领域:
- 心脏病学 心脏病学
- 血管生物学 血管生物学
- 电子生理学 电子生理学
背景情况:
- 动脉硬,通过带-大腿脉冲波速率 (c-f PWV) 和心率校正增强指数 (Aix75) 评估,是已知的心血管疾病风险因素.
- 以前的研究表明,动脉硬与发生性心房动 (AF) 之间存在联系.
研究的目的:
- 为了研究动脉硬与心房肌病症标志物之间的关联.
- 为了确定动脉硬是否与AF风险的结构和电动心房变化相关.
主要方法:
- 从瑞典心肺生物图像研究中对1050名参与者的横截面研究.
- 在所有参与者中测量了关节-关节脉冲波速率 (c-f PWV) 和Aix75.
- 对子样本 (n=331) 进行心声扫描,以评估P波持续时间,左心房体积指数 (LAVi),V1中的P波终端力 (PWTFV1) 和P波轴.
- 多变量回归模型用于分析动脉硬和心房肌病标志物之间的关联,包括过早心房综合体 (PAC).
主要成果:
- 增加的动脉硬度 (每 1 m/s c-f PWV 增加) 与明显较少的PACs (IRR 0.45) 相关.
- 艾克斯75的增加也与PAC的减少有关 (IRR为0.66).
- 动脉硬与P波持续时间或异常PWTFV1.1之间没有发现显著的关联.
结论:
- 通过c-f PWV或Aix75测量的动脉硬度与减少的PACs有关.
- 动脉硬度和P波指数之间没有观察到任何关联,这表明存在复杂的关系.
- 需要进一步的研究,以充分理解动脉硬和心房肌病之间的联系.
相关概念视频
Cardiovascular System Abnormal Findings I: Inspection and Palpation
243
In a cardiovascular examination, inspection and palpation are crucial for identifying abnormalities.
Abnormal findings observed during an inspection
Abnormal findings observed during an inspection
243
Blood Studies for Cardiovascular System I: Cardiac Biomarkers
86
Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
86
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
43
Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
43
Pulse
424
When the heart pumps blood out, arterial elastic fibers play a crucial role in sustaining a high-pressure gradient. They expand to accommodate the received blood and then recoil - a process known as the pulse that can be either manually palpated or electronically quantified. Despite a reduction in its effect with increased distance from the heart, elements of the pulse's systolic and diastolic components persist, observable even at the arteriole level.
The pulse serves as a clinical...
The pulse serves as a clinical...
424
Assessment of the Cardiovascular System III: Palpation
176
Palpation involves feeling the body to evaluate texture, size, consistency, and tenderness for assessing cardiovascular health. The following steps are organized in a head-to-toe order:
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
176
Mechanism of Cardiac Arrhythmias
882
Arrhythmias are irregular heart rhythms occurring when the heart's electrical impulses become abnormal. These disturbances can lead to various symptoms, depending on their severity and the underlying cause. Some common factors contributing to arrhythmias include hypoxia, ischemia, electrolyte imbalances, excessive catecholamine exposure, drug toxicity, and muscle overstretching. Arrhythmias can be classified into two main types based on the rate and site of origin of abnormal heart rhythms.
882


