心脏MRI上的右心室大小与EBSTEIN异常的形手术后的术后右心室功能障碍有关
Molly Carney1, Aditi Gupta2, Adam Christopher2
1Department of Pediatrics, UPMC Children's Hospital, 4401 Penn Avenue, Pittsburgh, PA, 15224, USA. molly.carney@chp.edu.
Pediatric cardiology
|August 1, 2024
概括
手术前的右心房和右心室扩张,以及较小的左心房和左心室体积,预测了经过埃布斯坦异常手术后的术后右心室功能障碍 (RVD). 这种功能障碍会影响药物治疗,但不会影响住院.
科学领域:
- 心脏病学 心脏病学
- 心脏外科手术 心脏外科手术
- 医疗成像医学成像
背景情况:
- 埃布斯坦异常是一种复杂的先天性心脏缺陷.
- 三管的形重建是一个关键的手术干预.
- 术后急性右心室功能障碍 (RVD) 经常使这一过程复杂化.
研究的目的:
- 为了确定EBSTEIN异常的形手术后RVD的术前预测因素.
- 评估手术前心脏MRI (CMR) 发现与手术后RVD之间的关系.
- 评估RVD对临床结果的影响,例如药物使用和停留时间.
主要方法:
- 对28名经过手术前CMR的埃布斯坦异常患者的回顾性审查.
- 使用CMR测量对心房和心室大小和功能的分析.
- 术后RVD的定义基于放电心声图的发现.
- 具有和没有RVD的患者之间的统计比较 (双尾t测试).
主要成果:
- 50%的患者经历了手术后的RVD.
- 术前较大的右心室 (RA) 体积和右心室 (RV) 末缩体积与RVD相关.
- 较小的手术前左心室 (LA) 最小体积和左心室 (LV) 末期扩张体积与RVD相关.
- RVD与milrinone持续时间和剂量增加相关,但与重症监护或住院时间长度无关.
结论:
- 增加的RA和VR扩张,以及减少的LA和LV体积,与Ebstein异常圆手术后的术后RVD有关.
- 术前成像可以帮助识别患有RVD风险较高的患者.
- 虽然RVD影响了内的要求,但它似乎没有显著地延长住院或ICU的时间.
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
Mitral Stenosis II: Clinical features and Diagnostic Tests
565
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...
565
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


