右心室から肺動脈への非侵襲的右心室離合の予測価値は,左心室アシスト装置の植入後,右心室不全に対する右心室離合の予測値です
Kayo Misumi1, Toru Hashimoto1, Takeo Fujino1,2
1Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University.
まとめ
耐久性のある左心室補助装置の埋め込み後の早期の右心室不全を予測することができます. 肺動脈シストリック圧力比に対する三角形環状平面シストリックエクスクルッションは,リスク層分化の貴重な予測指標です.
科学分野:
- 心臓病学 心臓病学
- 心血管外科手術についてです.
- 医療機器 医療機器について
背景:
- 耐久性左心室補助器具 (dLVAD) の移植後の早期右心室不全 (eRVF) は,不良の結果と関連しています.
- eRVFの予測パラメータは,まだ完全に確立されていない.
研究 の 目的:
- 右心室 (RV) から肺動脈 (PA) の分離によるERVFの予測値を評価する.
- 三環状平面シストリックエクスクルション (TAPSE) とPAシストリック圧力 (PASP) の比率を予測として評価する.
主な方法:
- dLVADインプラントを施した111人の成人の患者の遡及的分析.
- 術前エコーカルディオグラフィーと右側心臓キャセテリゼーションのデータを分析した.
- eRVFは,植入後30日以内に循環器のサポートまたはイノトロプ的サポートの必要性として定義されます.
主要な成果:
- 患者の46.8%が術後のeRVFを発症した.
- TAPSE/PASP比は eRVFを独立して予測した.
- TAPSE/PASPの調整されたオッズ比率は,エコーカルディオグラフィとキャセテリゼーションの変数ではそれぞれ0.05 (P=0.024) と0.04 (P=0.027) でした.
結論:
- TAPSE/PASP比で測定される手術前のRV-PA解離は,dLVAD後のeVRFを予測することができます.
- このアクセシブルなパラメータは,手術前のリスクの階層化と手術後の管理に役立ちます.
関連する概念動画
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...
Cardiac Catheterization III: Left Heart Catheterization
Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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: 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 II: Clinical features and Diagnostic Tests
Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
Aortic Regurgitation II: Clinical Features and Diagnostic Tests
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...


