患有类风湿性心肌狭窄症的患者的左心房功能:解决心房预测之外的预后见解
Fernanda de Azevedo Figueiredo1, William Antonio M Esteves1,2, Judy Hung3
1Postgraduate Program of Infectious Diseases and Tropical Medicine, School of Medicine, Universidade Federal de Minas Gerais, Av. Professor Alfredo Balena, 190, Santa Efigênia, Belo Horizonte, MG 30130 100, Brazil.
European heart journal. Imaging methods and practice
|September 3, 2024
概括
通过2D-STE评估的左心房储菌株 (LASr) 预测了风湿性心肌狭窄症患者的心房动和不良结果. 较低的LASr表明风险更高,指导改善患者管理的临床决策.
科学领域:
- 心脏病学 心脏病学
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
- 膜心脏疾病 膜心脏疾病
背景情况:
- 风湿性额头狭窄症 (MS) 由于压力过重而损害左心房 (LA) 功能.
- 早期发现LA功能障碍对于MS患者的风险评估至关重要.
- 二维斑点跟踪回声心电图 (2D-STE) 可以识别LA功能障碍.
研究的目的:
- 为了评估LA功能的预测值,特别是左心房储菌株 (LASr),通过2D-STE评估MS患者的临床结果.
- 确定多发性硬化中新发性心房动 (AF) 和其他不良事件的预测因素.
主要方法:
- 对493名多发性硬化患者 (2011-2021) 的前性研究,使用2D-STE进行LA功能评估,重点是LASr.
- 主要结局:新出现的AF. 二次结局:死亡或中枢置换.
- 条件推断树和样本分割用于预测分析.
主要成果:
- LASr是新发性AF的主要预测因素,值为17.9%.
- 在平均3.8年的随访期间,25%的患者接受了门置换,6.5%的患者死亡.
- 决策树分析确定了LASr,年龄,三腹的严重程度,以及心房静脉净顺应作为不良结果的关键预测因素.
结论:
- 在MS患者中,LASr是心血管事件的重要预测因子.
- 通过决策树分析,根据LASr,年龄,TR严重程度和Cn,将患者分为低风险和高风险类别.
- 这些发现支持使用2D-STE衍生的LASr来改善MS的风险分层和风险管理.
更多相关视频
相关概念视频
01:20Mitral 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...
01:25Mitral Regurgitation III: Medical Management
Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...
01:22Mitral 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...
01:23Mitral 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...
01:26Mitral Stenosis III: Medical Management
Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
01:22Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies
The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...