沉默的导航:重新考虑无症状严重大动脉狭窄症的治疗模式
Konstantinos Karampinos1, Nikolaos Ktenopoulos1, Anastasios Apostolos1
1First Department of Cardiology, National and Kapodistrian University of Athens, Hippokration General Hospital of Athens, Athens 11527, Greece.
概括
无症状患者的严重大动脉狭窄 (AS) 需要仔细考虑. 新的试验表明,早期干预可能是有益的,挑战了目前对大动脉置换 (AVR) 的指导方针.
科学领域:
- 心脏病学 心脏病学
- 膜心脏疾病 膜心脏疾病
- 临床试验 临床试验
背景情况:
- 大动脉狭窄 (AS) 是全球普遍存在的膜心脏病,特别是在老年人中.
- 过导管大动脉置换 (TAVR) 的进展正在将重点转向管理无症状严重AS (ASAS).
- 目前的指导方针只在特定情况下建议AVR用于ASAS,但新出现的证据表明需要个性化策略.
研究的目的:
- 分析ASAS的临床管理.
- 探索新的风险分层方法和疾病进展的预测因素.
- 评估心声回声学的作用和最近的试验对治疗模式的影响.
主要方法:
- 审查当前的临床实践指南和最近关于ASAS的研究.
- 分析AS病理生理学和自然历史的不断发展的理解.
- 检查来自随机对照试验的数据,例如EARLY-TAVR,EVoLVeD和TAVR-UNLOAD.
主要成果:
- 最近的试验 (EARLY-TAVR,EVoLVeD,TAVR-UNLOAD) 提供了早期干预无症状严重AS的证据.
- 这些试验可能会改变治疗模式,可能会降低干预门.
- 有一个公认的需要提高风险分层和诊断准确性在ASAS.
结论:
- ASAS的管理正在演变,趋向于更加个性化的治疗策略.
- 早期干预与警等待正在根据新的试验数据重新评估.
- 预计将进行进一步的研究和更新的指导方针,以完善无症状严重大动脉狭窄症的管理.
更多相关视频
06:51Author Spotlight: Development of a Minimally Invasive Large-Animal Model for Reliable and Reproducible Cardiovascular Research
Published on: October 20, 2023
1.2K
12:17Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
Published on: May 21, 2017
11.5K
相关概念视频
01:25Aortic Regurgitation III: Medical Management
53
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...
53
01:26Mitral Stenosis III: Medical Management
29
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...
29
01:26Aneurysm III: Interprofessional Care
30
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
30
01:15Aortic Regurgitation I: Introduction
46
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...
46
01:25Mitral Regurgitation III: Medical Management
35
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...
35
01:22Aortic Regurgitation II: Clinical Features and Diagnostic Tests
59
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...
59