左心耳閉鎖術後の体液貯留:発生率と危険因子
Nisha A Patel1, Clifton Parrott2, Harry E Hicklin3
1Section of Cardiovascular Medicine, Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA. nishaajaypatel25@gmail.com.
まとめ
左心耳閉鎖術(LAAO)は、特に心不全患者や左心房が大きい患者において、体液貯留のリスクを高めます。LAAO後の慎重な患者選択とモニタリングが推奨されます。
科学分野:
- 循環器病学; 医療機器; 体液バランス
背景:
- 左心房(LAA)は心房性ナトリウム利尿ペプチド(ANP)を分泌し、体液バランスに影響を与えます。; LAAOが臨床的な体液量に与える影響はよく理解されていません。
研究 の 目的:
- LAAOと臨床的な体液量との関連を調査すること。; LAAO後の体液貯留の予測因子を特定すること。
主な方法:
- LAAO(Watchman 2.5またはFLX)を受けた患者と、LAAOを受けていない心房細動(AF)の対照群を含む比較研究。; 電子カルテから抽出された臨床データ。; 12か月以内の利尿薬使用量の変化による進行性の体液貯留の定義。
主要な成果:
- LAAO患者のより高い割合(21.2%)が、対照群(14.5%)と比較して利尿薬必要量の増加を経験しました。; LAAOはループ利尿薬使用増加の独立した予測因子でした(OR 1.9)。; 既存の心不全(HF)および左心房のサイズが大きいことも、体液貯留の有意な予測因子でした。
結論:
- LAAOは、体液貯留のリスクが約2倍になることと関連しています。; 既存の心不全を持つ患者および左心房が大きい患者が最も高いリスクに直面します。; この結果は、術前のカウンセリングおよびLAAO後の管理戦略を導く可能性があります。
関連する概念動画
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
Mitral Valve Prolapse I: Introduction
351
IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
351
Mitral Stenosis I: Introduction
386
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...
386
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
Mitral Regurgitation I: Introduction
371
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...
371
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


