胆叶片机械关方向对Pannus过度生长的影响
Zihni Mert Duman1, Zinar Apaydın1, İsa Can1
1Department of Cardiovascular Surgery, University of Health Sciences, Istanbul Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Hospital, Turkey.
Innovations (Philadelphia, Pa.)
|September 14, 2023
概括
Bileaflet 机械 mitra 门的方向影响了 pannus 的过度生长. 这些门的解剖植入减少了门扩大,改善了假体门的耐用性和患者的治疗结果.
科学领域:
- 心血管外科心血管外科
- 生物材料科学 生物材料科学
- 医疗设备工程 医疗设备工程
背景情况:
- 门的过度生长是假体门植入后的严重并发症,可能导致门功能障碍.
- 在植入过程中,胆叶机械膜 (BMMVs) 的方向是长期膜性能的一个关键因素.
- 对于BMMV旋转定向对过度松扩大的具体影响仍然不完全理解.
研究的目的:
- 为了研究胆叶片机械 mitra 门定向对 pannus 过度生长的影响.
- 为了比较解剖学和非解剖学植入方位之间的松扩大率.
- 为了确定影响风湿性米特拉狭窄症患者的帕努斯发育的因素.
主要方法:
- 对因类风湿性 mitra 门狭窄而接受 BMMV 置换的患者的回顾性分析.
- 使用从2017年5月到2021年4月的跨食道心声学 (TEE) 数据确认了帕努斯形成.
- 患者的分层分为解剖与非解剖植入导向组.
主要成果:
- 的过度生长发生在56.5%的解剖学取向组,而非解剖学组的74.7% (P=0.03).
- 解剖学取向与帕努斯过度生长的风险降低有关 (OR=0.39,P=0.04).
- 双重左心置换独立增加了帕努斯过度生长的风险 (OR=2.73,P=0.04).
结论:
- 在解剖学定向中植入的胆叶机械腹,表现出较低的泛过度生长的发生率.
- 优化门方向可能是减轻形形成和提高假体门耐用性的策略.
- 对影响潘努斯发展的生物力学因素进行进一步的研究是有必要的.
相关概念视频
01:27Mitral Valve Prolapse I: Introduction
21
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...
21
01:22Mitral Valve Prolapse II: Assessment and Management
20
IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
20
01:22Mitral Stenosis I: Introduction
15
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...
15
01:19Mitral Valve Prolapse III: Nursing Management
16
The nursing management of Mitral Valve Prolapse, or MVP, centers around patient education, symptom monitoring, and lifestyle modifications.Patient Education on MVP Diagnosis and Heredity: Nurses should provide comprehensive education about MVP, a condition where the mitral valve does not close appropriately during heartbeats. This education often includes the condition's pathophysiology, symptoms, and potential complications, like arrhythmias or mitral regurgitation. Though not fully...
16
01:26Mitral Stenosis III: Medical Management
12
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...
12
01:25Mitral Regurgitation III: Medical Management
18
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...
18