Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

1.2K
Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
1.2K
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

798
Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
798

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Imaging post-reperfusion metabolism in porcine myocardial infarction with hyperpolarized <sup>13</sup>C pyruvate MRI.

Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance·2026
Same author

Cardiovascular magnetic resonance reclassification of aortic regurgitation after transcatheter aortic valve implantation: A COMPARE-TAVI 1 substudy.

Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance·2026
Same author

Prognostic importance of septal deformation patterns and lateral wall function in patients with heart failure and left bundle branch block receiving cardiac resynchronization therapy.

European heart journal. Imaging methods and practice·2026
Same author

Pitfalls in the reporting of clinical events in unblinded device trials: analysing performance bias in the BIO|GUARD-MI trial.

Trials·2026
Same author

Improvements in the spatial resolution of coronary magnetic resonance angiography enhance the diagnostic performance in comparison to quantitative coronary angiography.

European heart journal. Imaging methods and practice·2026
Same author

Long-Term Quality of Life in 1777 Persons With Hodgkin Lymphoma and 6166 Matched Comparators.

American journal of hematology·2026

相关实验视频

Updated: May 5, 2026

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
11:50

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart

Published on: July 10, 2010

25.4K

严重心力衰竭的顺序与同时双心室重同步:通过组织多普勒成像评估.

Peter Sogaard1, Henrik Egeblad, Anders K Pedersen

  • 1Department of Cardiology, Aarhus University Hospital, Skejby Sygehus, Aarhus, Denmark. psogaard@dadlnet.dk

Circulation
|October 16, 2002
PubMed
概括

顺序心脏再同步疗法 (CRT) 通过优化双心室节奏延迟,显著提高心脏功能. 这种方法改善了心力衰竭患者的缩和腹缩性能.

更多相关视频

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
12:45

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

10.2K
Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
10:17

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

2.4K

相关实验视频

Last Updated: May 5, 2026

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
11:50

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart

Published on: July 10, 2010

25.4K
Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
12:45

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

10.2K
Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
10:17

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

2.4K

科学领域:

  • 心脏病学 心脏病学
  • 生物医学工程 生物医学工程

背景情况:

  • 使用双心室节奏的心脏再同步疗法 (CRT) 改善了心力衰竭的结果.
  • 同时节奏是标准的,但最佳时机仍在争论中.

研究的目的:

  • 用组织追踪和3D心声回声学来评估连续的CRT.
  • 为了确定个性化静脉间延迟编程对心脏表现的影响.

主要方法:

  • 20名心力衰竭和捆绑分支阻塞的患者接受了CRT.
  • 组织跟踪和3D回声心脏学评估了节拍前后心肌收缩.
  • 测试了多个腹腔间延迟,以找到最佳的顺序编程.

主要成果:

  • 顺序CRT显著减少延迟纵向收缩 (DLC) 和增加左心室喷射率 (LVEF%).
  • 与同步CRT相比,最佳顺序CRT进一步改善了DLC和LVEF%.
  • 三个月的随访显示,随着连续的CRT,LVEF%的持续改善.
  • 连续的CRT增加了7%的透析填充时间.

结论:

  • 顺序CRT在抽缩和放缩性能方面比同步CRT提供了显著的优势.
  • 组织跟踪对于优化CRT中腹腔间延迟是有效的.