概括
高血压经常导致心脏异常. 心声图显示了61%的轻度至中度高血压无症状患者的显著心脏结构和功能变化,通常在其他测试显示问题之前.
科学领域:
- 心脏病学 心脏病学
- 高血压研究 高血压研究
- 诊断成像 诊断成像 诊断成像
背景情况:
- 系统性高血压是心血管疾病和死亡的主要危险因素.
- 在高血压患者中早期发现心脏并发症对于管理至关重要.
研究的目的:
- 确定轻度至中度高血压无症状患者内解剖学和功能性心脏异常的患病率.
- 评估心声回声学在检测高血压中亚临床心脏变化的有用性.
主要方法:
- 对234名轻度至中度全身高血压无症状受试者的心声评估.
- 分析心室隔膜厚度,自由壁厚度,左心房大小,大动脉根直径,左心室内部尺寸,中心E-F斜率和喷射率.
- 针对年龄和身体表面积的调整应用于心声回声测量.
主要成果:
- 在61%的高血压患者中观察到心室隔膜和/或后基底自由壁厚度的增加.
- 左心房,大动脉根和左心室的内部尺寸在5-7%的患者中被扩大.
- 报告指出,中心E-F斜率 (6%) 和左心室喷射率 (15%) 的降低.
- 在4%的患者中存在不成比例的隔膜加厚.
- 传统的心电图和胸部X射线显示不到10%的受试者出现异常.
结论:
- 心声图显示,轻度至中度高血压的无症状患者心脏异常的患病率很高.
- 这些心脏结构和功能变化通常可以通过心声回声检测,然后通过其他诊断方法在临床上明显.
- 心声图是识别高血压患者亚临床心脏参与的一个有价值的工具.
相关概念视频
Assessment of the Cardiovascular System IV: Auscultation
Cardiac auscultation is a clinical skill used to assess heart function and detect abnormalities. It involves listening to heart sounds at specific anatomical locations through a stethoscope.
Normal Heart Sounds
S1 (First Heart Sound)-
S1 is made by the closure of the mitral and tricuspid valves (atrioventricular valves), marking the beginning of systole.
S2 (Second Heart Sound)-
S2 is made by the closure of the aortic and pulmonic valves (semilunar valves), marking the end of the systole.
Normal Heart Sounds
S1 (First Heart Sound)-
S1 is made by the closure of the mitral and tricuspid valves (atrioventricular valves), marking the beginning of systole.
S2 (Second Heart Sound)-
S2 is made by the closure of the aortic and pulmonic valves (semilunar valves), marking the end of the systole.
Imaging Studies for Cardiovascular System I:Echocardiography
Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion, evaluates...
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion, evaluates...
Imaging Studies for Cardiovascular System II:Types of Echocardiography
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Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for diagnosing...
Types of Echocardiography
Transthoracic Echocardiography (TTE)
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Cardiomyopathy III: Hypertrophic Cardiomyopathy
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Hypertension III: Clinical Manifestations and Diagnostic Studies
Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...


