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

Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

536
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...
536
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

416
Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
416
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

297
A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...
297
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

441
Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
441
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

527
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...
527
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

262
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...
262

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

Left Sinus of Valsalva Pseudoaneurysm Causing Left Main Coronary Compression and Sudden Cardiac Arrest.

JACC. Case reports·2026
Same author

Reply: Timing modifies the clinical trajectory after failed mitral valve repair.

The Journal of thoracic and cardiovascular surgery·2026
Same author

Long-term follow-up of surgical versus transcatheter aortic valve replacement in patients younger than 70 years.

JTCVS open·2026
Same author

Subclinical Leaflet Thrombosis in Transcatheter SAPIEN 3 Ultra RESILIA Bioprosthetic Valves.

Circulation. Cardiovascular interventions·2026
Same author

Impact of reoperation on very long-term survival in patients with failed mitral valve repair: A 30-year single-center Canadian experience.

The Journal of thoracic and cardiovascular surgery·2026
Same author

Impact of Anticoagulant Class on Long-Term Bioprosthesis Durability Following Transcatheter Aortic Valve Replacement.

Structural heart : the journal of the Heart Team·2026

相关实验视频

Updated: Jan 24, 2026

Author Spotlight: Development of a Minimally Invasive Large-Animal Model for Reliable and Reproducible Cardiovascular Research
06:51

Author Spotlight: Development of a Minimally Invasive Large-Animal Model for Reliable and Reproducible Cardiovascular Research

Published on: October 20, 2023

1.6K

大动脉狭窄和大动脉小

Afonso B Freitas-Ferraz1, Gabriela Tirado-Conte1, Francois Dagenais1

  • 1Quebec Heart and Lung Institute, Laval University, Quebec City, Canada (A.B.F.-F., G.T.-C., F.D., E.D., S.M., M.B., P.P., J.R.-C.).

Circulation
|June 4, 2019
PubMed
概括
此摘要是机器生成的。

治疗严重的大动脉狭窄的小大动脉环是一个挑战, 特别是对于老年妇女. 本综述评估了治疗策略,以改善该患者群体的血液动力学和结果.

关键词:
大动脉狭窄症心脏门假体没有的手术通过导管更换大动脉

更多相关视频

A Rabbit Aortic Valve Stenosis Model Induced by Direct Balloon Injury
07:10

A Rabbit Aortic Valve Stenosis Model Induced by Direct Balloon Injury

Published on: March 31, 2023

1.5K
Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
12:17

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots

Published on: May 21, 2017

11.8K

相关实验视频

Last Updated: Jan 24, 2026

Author Spotlight: Development of a Minimally Invasive Large-Animal Model for Reliable and Reproducible Cardiovascular Research
06:51

Author Spotlight: Development of a Minimally Invasive Large-Animal Model for Reliable and Reproducible Cardiovascular Research

Published on: October 20, 2023

1.6K
A Rabbit Aortic Valve Stenosis Model Induced by Direct Balloon Injury
07:10

A Rabbit Aortic Valve Stenosis Model Induced by Direct Balloon Injury

Published on: March 31, 2023

1.5K
Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
12:17

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots

Published on: May 21, 2017

11.8K

科学领域:

  • 心脏病学
  • 心脏外科
  • 干预心脏病学

背景情况:

  • 小主动脉环是严重主动脉狭窄的常见问题,特别是在老年妇女身上.
  • 小主动脉环患者的最佳治疗策略仍然存在争议.
  • 目前的手术选择包括大动脉根扩大和各种假.

研究的目的:

  • 定义和审查主动脉狭窄中小主动脉环的流行率和临床影响.
  • 评估当前治疗策略,以改善该群体的血液动力学和结果.
  • 突出通过导管的动脉置换作为一个可行的替代方案.

主要方法:

  • 对当前定义,流行率和临床影响的文献综述.
  • 对手术和透管治疗策略的分析.
  • 血液动力学和临床结果数据的评估.

主要成果:

  • 小主动脉环在严重主动脉狭窄时存在重大管理挑战.
  • 各种手术技术旨在改善膜血液动力学和患者的结果.
  • 在这种群体中,透过导管的动脉置换显示出有希望的血液动力学结果.

结论:

  • 需要仔细考虑可用的治疗方案,才能有效地治疗大动脉狭窄的小大动脉环.
  • 穿过导管的大动脉置换提供了一个有价值的替代方案, 特别是对于老年患者.
  • 需要进一步研究以优化治疗策略和长期结果.