关节年状组织速度预测了初级关节反患者的存活率
You-Jung Choi1,2, Chan Soon Park3, Tae-Min Rhee4,3
1Division of Cardiology, Department of Internal Medicine, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea.
Korean circulation journal
|June 12, 2024
概括
早期的透析性米特拉环状组织 (e') 速度是患有米特拉吐的年轻患者死亡率的重要预测因素. 降低e'速度独立预测增加了全因和心血管死亡风险.
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.
- 扩张功能评估 扩张功能评估
背景情况:
- 早期的扩张性米特拉环状组织 (e') 速度是左心室 (LV) 扩张性功能的关键指标.
- 副心脏反 (MR) 是一种常见的膜性心脏病,具有显著的预后影响.
研究的目的:
- 评估诊断为患有初级额头肌吐 (MR) 的患者的e'速度的预后值.
- 为了确定e'速度是否可以独立预测这个患者组的死亡率结果.
主要方法:
- 对1536名中度至重度慢性原发性MR患者 (65岁以下) 的回顾性队列研究.
- E'速度截止值按指南定义为7厘米/秒;主要结局是全因和心血管死亡率.
- 进行了多变量分析和子组分析,以评估独立的预测值和相互作用.
主要成果:
- 在404名注册患者中,较低的e'速度 (≤7cm/s) 独立预测了较高的全因死亡率 (aHR 2.467) 和心血管死亡率 (aHR 5.021).
- 无论症状,LV尺寸或喷射分数如何,E'速度仍然是一个重要的预测指标.
- 将e'速度纳入风险得分可以改善死亡率预测 (所有原因的NRI为0.154,心血管死亡为1.018).
结论:
- E'速度是初级MR的年轻患者 (<65岁) 的全因和心血管死亡率的独立预后标志物.
- 这一发现凸显了透缩功能评估在MR患者风险分层中的重要性.
相关概念视频
01:27Mitral 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...
01:22Mitral 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.
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...
01:23Mitral Regurgitation II: Clinical Features and Diagnostic Tests
Mitral regurgitation (MR) is a valvular heart disorder in which the mitral valve fails to close tightly, allowing blood to leak backward into the heart. Understanding the clinical manifestations, assessment, diagnostic findings, and medical management of MR is crucial to effectively managing affected patients.Clinical Manifestations of Mitral RegurgitationMitral regurgitation can be acute or chronic, each presenting differently and requiring different approaches:1. Acute Mitral...
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...
01:28Mitral Regurgitation IV: Nursing Management
Mitral regurgitation (MR) is a condition where the mitral valve does not close properly, leading to the backward flow of blood from the left ventricle into the left atrium during systole. This condition can arise from various causes, including rheumatic fever, infective endocarditis, or degenerative valve disease. Effective nursing management is crucial to optimizing patient outcomes and involves comprehensive assessment and targeted interventions.Comprehensive Patient AssessmentA detailed...