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相关概念视频

Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

4
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...
4
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

3
IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
3
Mitral Regurgitation II: Clinical features and Diagnostic Tests01:23

Mitral Regurgitation II: Clinical features and Diagnostic Tests

5
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...
5
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

4
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...
4
Mitral Regurgitation IV: Nursing Management01:28

Mitral Regurgitation IV: Nursing Management

3
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...
3
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

2
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...
2

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相关实验视频

Updated: Jun 6, 2025

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
14:14

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Published on: December 11, 2017

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在隔离后的动脉置换术后,功能性心回.

Petar Dabic1, Bojan Vucurevic1, Milorad Sevkovic1

  • 1Department of Cardiology and Internal Medicine, Vascular Surgery Clinic, Institute for Cardiovascular Diseases Dedinje, 11000 Belgrade, Serbia.

Journal of clinical medicine
|November 27, 2024
PubMed
概括

在避免患者与假肢不匹配的情况下,大动脉置换可以改善 mitra regurgitation (MR). 这一策略提高了结果,并可能减少对额外的额头门干预的需要.

关键词:
大动脉狭窄症 (大动脉狭窄症)大动脉门更换术额头肌反的情况患者与假肢不匹配的情况

更多相关视频

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

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An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
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An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat

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相关实验视频

Last Updated: Jun 6, 2025

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
14:14

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Published on: December 11, 2017

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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

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An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
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An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat

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科学领域:

  • 心脏病学 心脏病学
  • 心脏外科手术 心脏外科手术
  • 心声回声扫描 (Echocardiography) 是一种心声回声扫描.

背景情况:

  • 在大动脉置换 (AVR) 过程中对额头回 (MR) 的管理是复杂的.
  • 二次性MR通常会改善AVR后的情况,但残留MR会影响长期的结果.
  • 在隔离AVR后持续MR的预后因素需要调查.

研究的目的:

  • 为了调查MR的自然史在隔离AVR之后.
  • 为了确定持续性MR的预后因素.
  • 评估患者假肢不匹配对MR结果的影响.

主要方法:

  • 对108名接受隔离AVR的患者进行了回顾性研究.
  • 基于MR改善和患者与假肢不匹配 (PPM) 的分类.
  • 对手术前和手术后心声学数据的分析.

主要成果:

  • 63%的患者在AVR后显示MR改善.
  • 与PPM组 (59.2%) 相比,非PPM组显示出更好的MR严重性降低 (68.6%).
  • 改善的MR与减少的跨膜压力梯度相关.

结论:

  • AVR可以显著改善MR,特别是当避免患者与假肢不匹配时.
  • 避免PPM最大限度地提高了血液动力学结果,并降低了残留/恶化的MR风险.
  • 这种方法可能会减少随后对心心门进行干预的需要.