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相关概念视频

Development of the Heart01:27

Development of the Heart

The development of the human heart, a crucial organ, commences from the mesoderm on the 18th or 19th day after fertilization. This process initiates in the cardiogenic area, a group of mesodermal cells at the embryo's head end, which evolves into elongated strands known as cardiogenic cords. These cords undergo a transformation to form hollow-centered endocardial tubes.
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart tube by...
Cardiac Catheterization II: Right Heart Catheterization01:21

Cardiac Catheterization II: Right Heart Catheterization

Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
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 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...
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...

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相关实验视频

Updated: Jul 11, 2026

Reduction of Iatrogenic Atrial Septal Defects with an Anterior and Inferior Transseptal Puncture Site when Operating the Cryoballoon Ablation Catheter
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Reduction of Iatrogenic Atrial Septal Defects with an Anterior and Inferior Transseptal Puncture Site when Operating the Cryoballoon Ablation Catheter

Published on: June 15, 2015

一个27年的经验与心室前庭隔膜缺陷纠正的经验.

Mina Farag1, Mireia Isern Hacker1, Philippe Grieshaber1

  • 1Department of Cardiac Surgery, Division of Congenital Cardiac Surgery, Heidelberg University, Congenital, Heidelberg, Germany.

The Thoracic and cardiovascular surgeon
|March 28, 2025
PubMed
概括

在心室隔膜缺陷 (AVSD) 的手术纠正后的长期存活率是有利的,并且随着时间的推移而有所改善. 死亡的关键风险因素包括早产和维修时体重低.

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Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
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Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China
08:42

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China

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Last Updated: Jul 11, 2026

Reduction of Iatrogenic Atrial Septal Defects with an Anterior and Inferior Transseptal Puncture Site when Operating the Cryoballoon Ablation Catheter
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Reduction of Iatrogenic Atrial Septal Defects with an Anterior and Inferior Transseptal Puncture Site when Operating the Cryoballoon Ablation Catheter

Published on: June 15, 2015

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
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Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure

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Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China
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Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China

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科学领域:

  • 心血管外科心血管外科
  • 儿童心脏病学 儿童心脏病学
  • 遗传性心脏病是一种先天性心脏病.

背景情况:

  • 心房隔膜缺陷 (AVSD) 是一种复杂的先天性心脏缺陷,需要手术干预.
  • 在AVSD的双心室修复后的长期结果对于患者管理至关重要.
  • 了解死亡率和重新手术的风险因素对于改善手术结果至关重要.

研究的目的:

  • 调查心室隔膜缺陷 (AVSD) 手术纠正后的长期结果,包括存活率和重新手术率.
  • 为了确定与AVSD修复后的死亡率和重新手术相关的独立风险因素.
  • 评估不同类型的AVSD和手术时代对患者结果的影响.

主要方法:

  • 在1995年至2022年期间,对248名接受AVSD双心脏修复的患者进行了回顾性分析.
  • 将AVSD分为完整型,部分型和过渡型.
  • 统计分析以确定生存率,重新手术发生率和不良结果的风险因素.

主要成果:

  • 整体存活率在10年为88.3%,15年为83.8%,25年为79.6%,与手术时代相比有显著改善.
  • 死亡的独立风险因素包括早产 (HR:2.43) 和体重低 (<4kg) (HR:3.05).
  • 重复手术发生率为19.4%,左心室回 (LAVVR) 是主要的迹象;在10年后,无需重复手术的发生率为78.2%.

结论:

  • 对AVSD的双修复提供了有利的长期存活率,随着外科手术技术的进步,这种情况有了显著的改善.
  • 过早生育,在修复时体重低,以及早期的术后LAVVR是影响死亡率和重新手术率的关键因素.
  • 建议对早产婴儿和患有相关心血管异常的婴儿进行密切的术后跟踪,以减轻风险.