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Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

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The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
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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,...
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Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
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The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
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Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
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解读长期COVID相关的心血管功能障碍:机制,模型和新方法方法论.

Dilip Thomas1, Phillip C Yang1, Joseph C Wu1

  • 1Stanford Cardiovascular Institute, Stanford University School of Medicine; Stanford, CA 94305, USA; Division of Cardiovascular Medicine, Department of Medicine; Stanford University School of Medicine; Stanford, CA 94305, USA.

Journal of molecular and cellular cardiology
|October 2, 2025
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概括

长期COVID,或SARS-CoV-2感染 (PASC) 后急性后果,显著影响心血管系统. 研究探讨了免疫失调,病毒持续性和新的临床前模型,以了解和治疗这些长期心脏病.

关键词:
心血管功能障碍 - 心血管功能障碍内皮内皮损伤的损伤长时间的COVID.精准医学是一门精准的医学.由iPSC衍生的心脏模型.

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科学领域:

  • 心脏病学 心脏病学
  • 传染性疾病 传染性疾病
  • 免疫学 免疫学 免疫学

背景情况:

  • COVID-19 (SARS-CoV-2) 感染导致长期心血管后续,称为长期COVID或SARS-CoV-2感染 (PASC) 后急性后续.
  • 持续的症状,如疲劳,呼吸不全和心,表明多器官系统的参与,特别是心脏.

研究的目的:

  • 审查当前对长期COVID中心血管并发症的理解.
  • 突出从临床和临床前研究中获得的机制性见解.
  • 概述诊断和治疗的未来方向.

主要方法:

  • 来自COVID-19幸存者的流行病学研究的临床数据的综合.
  • 对调查病毒,免疫和凝固途径的机械学研究的分析.
  • 复习先进的临床前平台,如基于iPSC的有机体和芯片器官系统.

主要成果:

  • 长期COVID中的心血管并发症是由免疫失调,内皮功能障碍,病毒持久性和凝血病驱动的.
  • 直接的病毒感染,自身抗体和细胞因子损伤有助于心肌炎症,纤维化和心律失常.
  • 流行病学研究证实,COVID-19后心脏炎,心肌病,心律失常和心力衰竭的风险增加.

结论:

  • 与AI分析集成的先进的临床前模型对于剖析长期COVID病理生理学至关重要.
  • 这些模型有助于生物标志物发现,风险分层和心血管长期COVID的精确治疗开发.
  • 需要进行进一步的研究,以创新长期COVID心血管后续的诊断和治疗策略.