用保存喷射部分治疗心力衰竭的设备治疗:问题,机制,设备,试验
Scott M Lilly1, Firas Zahr2, Mark N Belkin3
1Ohio State University, Columbus, Ohio, USA.
概括
保存喷射分数 (HFpEF) 的心力衰竭影响了许多心力衰竭症状的患者. 正在研究诸如左心房减压装置之类的创新治疗方法,但确定正确的患者群体对于成功至关重要.
科学领域:
- 心脏病学 心脏病学
- 医疗器械 医疗器械
- 临床试验 临床试验
背景情况:
- 保存喷射分数 (HFpEF) 的心力衰竭是一种普遍的疾病,其特征是心脏左侧压力升高和左心室喷射分数 (LVEF) 保存超过50%.
- HFpEF患者表现出心力衰竭 (HF) 的迹象和症状与心力衰竭与减少喷射率 (HFrEF) 的症状相似,占所有HF病例的一半以上.
- 无论是HFpEF还是HFrEF都具有相似的预测,这些预测比一般人群要糟糕得多.
研究的目的:
- 解决HFpEF有限的治疗选择,与已经建立了治疗方法的HFrEF不同.
- 突出创新设备的潜力,特别是目前正在研究HFpEF治疗的左心房减压设备.
- 强调需要精确的患者群体定义,以确保新型HFpEF疗法的成功.
主要方法:
- 审查目前的临床试验,评估HFpEF的创新设备.
- 在HFpEF频谱内分析患者特征.
- 专注于左心房减压装置作为新兴疗法的主要例子.
主要成果:
- 由于有限的已批准疗法,HFpEF仍然是一个重大的临床挑战.
- 左心房减压器显示出作为一种创新的治疗方法的前景.
- 在HFpEF中确定特定的患者子组对于有效的临床试验设计和治疗成功至关重要.
结论:
- 进一步的研究和精确的患者分层是必要的,以优化新的HFpEF治疗的疗效.
- 基于设备的创新疗法有可能改善HFpEF患者的治疗结果.
- 确定目标人群是成功开发和实施新型HFpEF干预措施的关键因素.
更多相关视频
07:09A Surgical Model of Heart Failure with Preserved Ejection Fraction in Tibetan Minipigs
Published on: February 18, 2022
2.0K
12:45Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
Published on: December 11, 2017
10.6K
相关概念视频
01:22Heart Failure VI: Adjunct Therapies
39
Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
39
01:30Heart Failure V: Medical Management
34
Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...
34
01:26Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
526
The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
526
01:30Heart Failure IV: Classification and Diagnostic Evaluation
43
Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
43
01:30Cardiomyopathy II: Dilated Cardiomyopathy
30
Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
30
01:29Cardiomyopathy V: Interprofessional Care
41
Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
41