Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

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

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
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
Same journal

A Bundle to Frame Guidelines and American Heart Association Statements.

Circulation·2026
Same journal

<i>Circulation</i> Editors and Editorial Board.

Circulation·2026
Same journal

A New <i>Circulation</i>, For You.

Circulation·2026
Same journal

Cardiovascular Risk Reduction With GLP-1 RA Drugs.

Circulation·2026
Same journal

Obesity, Severe Obesity, and Abdominal Obesity in US Youth and Adults From 1999 to 2023.

Circulation·2026
Same journal

Lipid Profile Testing and Interpretation.

Circulation·2026
関連記事をすべて見る

関連する実験動画

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

大動脈狭窄症と小動脈門

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
まとめ
この要約は機械生成です。

重度の大動脈狭窄の治療は 特に高齢の女性にとって 困難です このレビューでは,この患者群の血液動力学と結果を改善するための治療戦略を評価しています.

キーワード:
大動脈弁の狭窄心臓弁の義肢縫い目のない手術トランスキャテーターによる大動脈弁の置換

さらに関連する動画

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

関連する実験動画

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

科学分野:

  • 心臓病科
  • 心臓外科
  • 介入心臓科

背景:

  • 狭い大動脈の輪は,重度の大動脈狭窄で,特に高齢の女性では頻繁に発生する.
  • 小型の大動脈のアンヌルスの患者に対する最適の管理戦略は依然として議論の余地があります.
  • 既存の手術の選択肢には 大動脈の根の拡大と様々な義足弁が含まれます

研究 の 目的:

  • 大動脈狭窄における小さな大動脈環の有病率と臨床的影響を定義し,検討する.
  • この集団における血液動力学と結果の改善のための現在の治療戦略を評価する.
  • トランスキャテーターによる大動脈弁置換を 実現可能な代替手段として強調する

主な方法:

  • 現在の定義,流行,臨床効果に関する文献レビュー.
  • 手術とトランスキャテーターの治療戦略の分析
  • 血液動力学と臨床結果の評価

主要な成果:

  • 狭い大動脈は重度の大動脈狭窄の管理に重大な課題を伴います.
  • 弁の血液動力学と患者の結果を改善することを目的とした様々な手術手法があります.
  • トランスキャテーターによる大動脈弁置換は,このコホートにおいて有望な血液動力学的結果を示しています.

結論:

  • 大動脈狭窄における小動脈環の有効な管理には,利用可能な治療選択肢を慎重に検討する必要があります.
  • トランスキャテーターによる大動脈弁置換は 特に高齢の患者にとって 価値ある代替手段です
  • 治療戦略と長期的な結果を最適化するためにさらなる研究が必要です.