长期的结果显著的 mitrale 排泄经过皮肤穿透的 mitrale 膜整形术后
Mi-Jeong Kim1, Jae-Kwan Song, Jong-Min Song
1Division of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, 388-1 Poongnap-dong Songpa-ku, Seoul 138-736 South Korea.
Circulation
|December 13, 2006
概括
皮肤穿透性 mitra valvuloplasty (PMV) 后显著的 mitra regurgitation (MR) 根据其原因有不同的结果. 来自维修现场的commissural MR显示出比非commissural MR更好的长期无事件生存率.
科学领域:
- 心脏病学 心脏病学
- 干预心脏病学 干预心脏病学
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
背景情况:
- 轻微的委托式 mitrale 反 (MR) 与皮肤穿透性 mitrale valvuloplasty (PMV) 后改善的无复原性生存率相关.
- 这表明显著MR的临床过程不同,基于PMV后的潜在机制.
研究的目的:
- 分析PMV后显著MR的长期预后因素.
- 根据PMV后显著MR的机制来区分临床结果.
主要方法:
- 分析了380名用伊诺伊气球技术 (1995-2000年) 接受PMV的患者的心声和临床随访数据.
- 显著MR的分类为佣金和非佣金类型,以及非佣金MR的进一步分类.
- 多变量分析,以确定 mitra 置换的独立预测因素.
主要成果:
- 12.4%的患者出现显著的MR;8年生存率在各组之间相似 (96%对比98%).
- 委托式MR (57%) 比非委托式MR (43%) 更常见.
- 在显著MR (47%) 与没有显著MR (83%) 的患者中,无事件的8年生存时间显著较低,在指导性MR (63%) 与非指导性MR (29%) 中更高.
- 预测米特拉置换的因素包括心房动,PMV后的平均米特拉梯度和MR机制 (非指导性).
结论:
- 显著的MR后PMV的临床结果受到MR机制和即时的血液动力学改善的影响.
- 在PMV发生后不久的心声学可以有效地评估血液动力学状态并预测结果.
相关概念视频
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 Regurgitation II: Clinical Features and Diagnostic Tests
Mitral regurgitation (MR) is a valvular heart disorder in which the mitral valve fails to close tightly, allowing blood to leak backward into the heart. Understanding the clinical manifestations, assessment, diagnostic findings, and medical management of MR is crucial to effectively managing affected patients.Clinical Manifestations of Mitral RegurgitationMitral regurgitation can be acute or chronic, each presenting differently and requiring different approaches:1. Acute Mitral...
Mitral Regurgitation III: Medical Management
Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...
Mitral Regurgitation IV: Nursing Management
Mitral regurgitation (MR) is a condition where the mitral valve does not close properly, leading to the backward flow of blood from the left ventricle into the left atrium during systole. This condition can arise from various causes, including rheumatic fever, infective endocarditis, or degenerative valve disease. Effective nursing management is crucial to optimizing patient outcomes and involves comprehensive assessment and targeted interventions.Comprehensive Patient AssessmentA detailed...
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...
Mitral Stenosis III: Medical Management
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...


