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Endocarditis II: Clinical features and Diagnostic Tests01:25

Endocarditis II: Clinical features and Diagnostic Tests

2
Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
2
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

2
Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
2
Endocarditis I: Introduction01:25

Endocarditis I: Introduction

2
Introduction:Endocarditis is the infection of the endocardium, the inner lining of the heart and its valves. When the heart muscle is involved, the condition is termed myocarditis, while an infection of the outer lining is called pericarditis. Infective endocarditis (IE) primarily affects the endocardium, where pathogens adhere to the valves or lining, forming vegetation that can lead to severe complications. Infective endocarditis occurs when microorganisms, usually bacteria from other body...
2
Inflammation01:38

Inflammation

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Overview
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Pericarditis I: Introduction01:22

Pericarditis I: Introduction

2
Pericarditis is defined as the inflammation of the pericardium, the thin, sac-like membrane surrounding the heart. This condition can cause significant chest pain and other symptoms, often necessitating medical intervention. The pericardium has two layers: the inner visceral layer and the outer parietal layer, separated by a small amount of fluid that reduces friction during heartbeats.Types of PericarditisPericarditis can be classified into several types based on the duration and nature of the...
2
Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

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Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
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関連する実験動画

Updated: Jun 6, 2025

Monitoring Changes in Human Umbilical Vein Endothelial Cells upon Viral Infection Using Impedance-Based Real-Time Cell Analysis
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Monitoring Changes in Human Umbilical Vein Endothelial Cells upon Viral Infection Using Impedance-Based Real-Time Cell Analysis

Published on: May 5, 2023

343

COVID-19における内皮炎

Peter Libby1

  • 1Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.

Science (New York, N.Y.)
|November 28, 2024
PubMed
まとめ

COVID-19は内皮機能に障害を与え,複数の臓器に合併症を引き起こします. この機能障害は,この病気に関連した重度の病気の重要な要因です.

科学分野:

  • 心血管科学
  • 感染症
  • 病理生理学

背景:

  • 内皮機能障害は心臓血管疾患と全身疾患の重要な要因です.
  • 重症急性呼吸器症候群コロナウイルス2型 (SARS-CoV-2型) のパンデミックは,様々な臓器への影響を明らかにした.

研究 の 目的:

  • COVID-19の病原性における内皮機能不全の役割を明らかにする.
  • SARS-CoV-2感染が血管の健康にどのように影響し,多臓器合併症に寄与するかを理解する.

主な方法:

  • COVID-19と内皮機能に関する現在の文献のレビュー.
  • COVID-19患者の血管マーカーを調査する臨床および実験研究の分析.
  • ウイルスと内皮細胞の相互作用の病理学的検査

主要な成果:

  • SARS-CoV-2は内皮細胞に直接感染し,炎症と細胞死を引き起こす.
  • COVID-19は,広範囲にわたる内皮活性化,血管拡張障害,プロトロンボティック状態と関連しています.
  • 内皮損傷は急性呼吸器不全症候群,心筋炎,腎臓損傷,神経学的合併症に寄与する証拠がある.

結論:

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Monitoring Changes in Human Umbilical Vein Endothelial Cells upon Viral Infection Using Impedance-Based Real-Time Cell Analysis

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Screening Assays to Characterize Novel Endothelial Regulators Involved in the Inflammatory Response
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Screening Assays to Characterize Novel Endothelial Regulators Involved in the Inflammatory Response

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A Microphysiological System to Study Leukocyte-Endothelial Cell Interaction during Inflammation

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  • 内皮機能の障害は,COVID-19の多臓器発現を促す中心的なメカニズムである.
  • 内皮機能不全を標的とした治療は,COVID-19の重症度および長期的な後遺症を軽減するための治療戦略を提供することができる.