在心力衰竭患者使用中心作用疗法时,呼吸功能更好
Julie K K Vishram-Nielsen1,2, Fernando Luis Scolari1, Chun-Po Steve Fan1
1Peter Munk Cardiac Centre, Division of Cardiology, Toronto General Hospital, University Health Network, Toronto, Ontario, Canada.
CJC open
|June 7, 2024
概括
与外围作用药物相比,中心作用心力衰竭 (HF) 药物改善了呼吸功能,并可能减少住院治疗. 这些发现表明,中心作用的HF药物可能有助于减轻隔膜软弱.
科学领域:
- 心脏病学 心脏病学
- 肺部病理学 肺部病理学
- 药理学 药理学是指药理学的学科.
背景情况:
- 心力衰竭 (HF) 患者的隔膜缩与神经激素过度活化和呼吸障碍有关.
- 中心作用的HF药物可以改善呼吸功能并缓解隔膜缩.
研究的目的:
- 为了比较中心作用和外围作用的HF药物对呼吸功能和临床结果的影响.
- 在HF患者中使用心肺运动测试 (CPET) 评估呼吸功能.
主要方法:
- 对624名出院HF患者进行了回顾性研究,这些患者的喷射分数减少.
- 治疗中心作用药物 (n=550) 和外周作用药物 (n=74) 的患者之间的CPET参数和结果 (死亡,复合事件,住院) 的比较.
- 对2001年至2017年期间接受治疗的患者数据的分析.
主要成果:
- 中心作用药物与明显改善的呼吸功能有关,包括氧气吸收峰值 (VO2) 和呼吸器效率 (VE / VCO2).
- 接受中央作用药物的患者显示出较少复合事件和HF住院的趋势.
- 多变量分析证实了中枢作用药物与改善的CPET参数之间的关联.
结论:
- 中心作用的HF药物与HF患者的增强呼吸功能有关.
- 这些药物可能对临床结果有好处,尽管需要进一步研究更大的样本大小.
- 中心作用的HF药物显示出在治疗心力衰竭中的隔膜弱的潜力.
相关概念视频
01:26Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
421
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...
421
01:22Heart Failure Drugs: β-Blockers
336
β-adrenergic antagonists, commonly known as β-blockers, block the effects of sympathetic neurotransmitters such as noradrenaline (NA) and adrenaline (ADR). They have several beneficial effects in heart failure treatment. They reduce heart rate, the force of contraction, and cardiac muscle relaxation. They also slow the atrial-ventricular conduction rate and raise the threshold for arrhythmias. The concentration of β-blockers determines their effects on bronchodilation,...
336
01:26Heart Failure Drugs: Inotropic Agents
570
Positive inotropic agents are commonly used as the first line of treatment for heart failure. One such agent is digoxin, derived from the genus Digitalis, which has been known for centuries but effectively utilized since 1785. However, these cardiac glycosides can have potentially toxic effects due to their mechanism of action, which involves inhibiting Na+/K+-ATPase and increasing contractility. Digoxin is absorbed orally and distributed in various tissues, including the CNS. It has a long...
570
01:22Heart Failure Drugs: Diuretics
363
Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...
363
01:29Acute Respiratory Failure-V
132
The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...
Ensure that patients are monitored continuously for their response to therapy, including changes in...
132
01:17Drugs Used in Lower Respiratory Disorders: Overview
420
Lower respiratory tract disorders present challenges that often require skilled and nuanced approaches for effective management. Common ailments, such as asthma and chronic obstructive pulmonary disease (COPD), have prompted the development of intricate treatment strategies involving bronchodilators and anti-inflammatory drugs, each tailored to ease breathing and revitalize the lungs.
Bronchodilators, the first step of respiration enhancement, come in various forms, each with its own mechanism...
Bronchodilators, the first step of respiration enhancement, come in various forms, each with its own mechanism...
420