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Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

373
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...
373
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

429
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...
429
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

375
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...
375
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

256
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...
256

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心室中隔欠損を有する患者における大動脈基部置換術

Ryota Takahashi1, Hiroshi Munakata2, Kenji Okada3

  • 1Takatsuki General Hospital, Osaka, Japan.

Annals of thoracic surgery short reports
|December 22, 2025
PubMed
まとめ

心室中隔欠損（VSD）を併存する大動脈基部の修復は、個別化された手技を必要とします。弁温存大動脈基部再implantationは、これらの複雑な心臓疾患において良好な長期転帰をもたらします。

キーワード:
大動脈基部置換術心室中隔欠損弁温存大動脈基部再implantation大動脈弁修復心臓手術

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科学分野:

  • 心臓血管外科学; 先天性心疾患; 大動脈基部手術

背景:

  • 大動脈弁閉鎖不全および心室中隔欠損（VSD）は、複雑な外科的課題をもたらす。; VSDを伴う大動脈基部置換術を受ける患者は、しばしば関連する大動脈弁異常および大動脈輪拡張症を有する。

研究 の 目的:

  • 大動脈弁閉鎖不全および心室中隔欠損（VSD）を有する患者の手術手技および転帰を評価すること。; この患者コホートにおける弁温存大動脈基部再implantationおよびその他の大動脈基部修復方法の有効性を評価すること。

主な方法:

  • 大動脈弁閉鎖不全およびVSDを有する12例の患者（2000～2022年）の後ろ向き解析。; VSD閉鎖法、大動脈基部手術（弁温存再implantation、基部リモデリング、およびロス手術を含む）、および大動脈弁修復手技の詳細なレビュー。

主要な成果:

  • 早期死亡は認められなかった。5年時点での長期生存率は91.7%、10年時点では68.8%であった。; 弁温存大動脈基部再implantationにおける大動脈弁再手術からの解放率は10年時点で88.9%であった。; 弁温存大動脈基部再implantationのための特殊な縫合線や弁修復手技などの特定の修正が重要であった。

結論:

  • 弁温存大動脈基部再implantationは、VSDおよび大動脈輪拡張症を有する患者にとって成功する可能性のある戦略であり、修正が必要となる場合がある。; 重度に形成異常のある大動脈弁尖を有する患者には、大動脈弁尖修復またはロス手術が実行可能な選択肢である。