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Mitral Regurgitation I: Introduction01:20

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 Regurgitation III: Medical Management01:25

Mitral 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...
Mitral Regurgitation IV: Nursing Management01:28

Mitral 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...
Mitral Stenosis I: Introduction01:22

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 III: Medical Management01:26

Mitral 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...
Mitral Stenosis IV: Nursing Management01:27

Mitral Stenosis IV: Nursing Management

A comprehensive nursing assessment is essential for patients with valvular heart disease, which involves any dysfunction of the heart valves that could impact blood flow and overall heart function.Subjective Data Collection:Chief Complaint and Present Illness: Start with the patient's primary concerns, focusing on the onset, duration, and progression of cardiac symptoms such as dyspnea, fatigue, chest pain, and palpitations.Past Medical History: Collect detailed information on any previous...

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Updated: May 13, 2026

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
08:31

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

Published on: October 16, 2021

在接受手术重血管化治疗的患者中,中度功能性 mitra 不足症的影响.

Eugene A Grossi1, Gregory A Crooke, Paul L DiGiorgi

  • 1Department of Cardiothoracic Surgery, New York University School of Medicine, New York, NY 10028, USA. grossi@cv.med.nyu.edu

Circulation
|July 6, 2006
PubMed
概括
此摘要是机器生成的。

轻度和中度的额头回 (MR) 显著降低冠状动脉旁路移植 (CABG) 后的存活率,无论左心室功能如何. 需要进一步的研究来确定在CABG期间纠正MR是否会改善结果.

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Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock
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Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock

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Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels
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Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels

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相关实验视频

Last Updated: May 13, 2026

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
08:31

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

Published on: October 16, 2021

Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock
06:10

Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock

Published on: June 12, 2021

Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels
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Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels

Published on: May 26, 2023

科学领域:

  • 心血管外科心血管外科
  • 心脏外科手术的结果
  • 中心门疾病的疾病.

背景情况:

  • 在接受冠状动脉旁路移植 (CABG) 的患者中,功能性腹 (MR) 呈现出对结果的临床不确定性.
  • 轻度至中度MR与左心室功能障碍对结局的影响尚不清楚.

研究的目的:

  • 检查在接受隔离CABG的功能性额叶吐不严重的患者的早期和晚期结果.

主要方法:

  • 从2242名接受隔离CABG (1996-2004) 和手术内转食道心声图的患者收集前性数据.
  • 额头回 (MR) 和喷射分数 (EF) 的量化;通过社会保障死亡福利指数评估的长期存活率.

主要成果:

  • 37.5%的人没有MR,50.7%的轻度MR,11.8%的中度MR.
  • 中度MR患者年龄较大,更有可能是女性,患脏病的比例较高,先前心肌梗塞,充血性心力衰竭和EF值较低.
  • 降低生存率与中度MR (expbeta=1.49;P=0.007) 和轻度MR (expbeta=1.34;P=0.033) 独立于心室功能.

结论:

  • 轻度和中度的功能性额头吐是CABG后生存率下降的独立预测因素.
  • 在CABG期间纠正中度功能性MR的好处需要进一步调查.