导电动力学随着时间的推移,经过透气管大动脉更换后:专家的审查
Herbert G Kroon1, Thijmen Hokken1, Maarten van Wiechen1
1Department of Cardiology, Erasmus University Medical Center, Rotterdam, the Netherlands.
概括
过导管大动脉置换 (TAVR) 经常会导致新的导电障碍,如左捆分支阻塞和心房静脉阻塞. 了解这些动态和预测因素对于管理早期出院政策的患者至关重要.
科学领域:
- 心脏病学 心脏病学
- 干预心脏病学 干预心脏病学
- 心脏电生理学 心脏电生理学
背景情况:
- 导电障碍是通过导管的大动脉置换 (TAVR) 后的常见并发症.
- 左束枝阻塞 (LBBB) 和三度心房阻塞 (AV3B) 是严重的担忧,影响患者的治疗结果.
- 这些疾病的持续性和心脏起器依赖率需要仔细考虑,特别是在不断变化的出院策略的情况下.
研究的目的:
- 审查TAVR后获得导电障碍的动态现有知识.
- 确定与这些导电异常的发展和持续相关的预测因素.
- 为解释这些动态在早期患者出院的背景下提供见解.
主要方法:
- 对有关TAVR相关传导障碍的现有文献进行系统审查.
- 对报告的发病率,持续率和心脏起器依赖性的分析.
- 提取和合成已识别的导电干扰预测因子.
主要成果:
- 左捆支部阻塞 (LBBB) 发生在20-30%的TAVR患者中,在1个月后持续在35-45%中.
- 第三级心房阻塞 (AV3B) 影响大约15%的患者.
- 随着时间的推移,心脏起器的依赖性下降,在一年内,25-35%的人仍然依赖.
结论:
- 获得导电障碍,特别是LBBB和AV3B,在TAVR后很常见,需要持续监测.
- 了解预测因素可以帮助风险分层和管理这些并发症.
- 解释导电障碍的动态对于优化TAVR后的早期放电协议至关重要.
相关概念视频
Mitral Regurgitation I: Introduction
1.3K
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...
1.3K
Mitral Stenosis I: Introduction
1.8K
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...
1.8K
Aortic Regurgitation I: Introduction
1.6K
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...
1.6K
Aortic Regurgitation II: Clinical Features and Diagnostic Tests
1.2K
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...
1.2K
Aortic Regurgitation III: Medical Management
598
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...
598
Aortic Regurgitation IV: Nursing Management
453
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...
453


