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Related Concept Videos

Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

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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...
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Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

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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...
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Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

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A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...
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Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

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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...
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Anatomy of the Heart01:27

Anatomy of the Heart

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The human heart is made up of three layers of tissue that are surrounded by the pericardium, a membrane that protects and confines the heart. The outermost layer, closest to the pericardium, is the epicardium. The pericardial cavity separates the pericardium from the epicardium. Beneath the epicardium is the myocardium, the middle layer, and the endocardium, the innermost layer. There are four chambers of the heart: the right atrium, the right ventricle, the left atrium, and the left ventricle.
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Hindsight Biases01:12

Hindsight Biases

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Hindsight bias leads you to believe that the event you just experienced was predictable, even though it really wasn’t. In other words, you knew all along that things would turn out the way they did. Can you relate this to the phrase "Hindsight is 20/20" now? 
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Novel and Innovative Hybrid Technique for Type A Aortic Dissection
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Cytokines in aortic dissection.

Tao Zeng1, Lei Shi1, Qingwei Ji2

  • 1Department of Cardiology, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China.

Clinica Chimica Acta; International Journal of Clinical Chemistry
|August 8, 2018
PubMed
Summary

Aortic dissection (AD) involves aortic wall inflammation and cell death. This review examines the critical role of various cytokines in AD pathogenesis and potential therapeutic strategies.

Keywords:
Aortic dissectionChemokine and growth factorColony stimulating factorCytokinesInterferonInterleukinTumor necrosis factor

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Area of Science:

  • Vascular Biology
  • Immunology
  • Pathophysiology

Background:

  • Aortic dissection (AD) is a life-threatening vascular condition.
  • Pathological mechanisms include inflammatory cell infiltration and smooth muscle cell apoptosis.
  • Cytokines are implicated in the development of AD.

Purpose of the Study:

  • To review the role of cytokines in aortic dissection.
  • To deepen the understanding of AD pathogenesis.
  • To explore potential cytokine-targeted therapies for AD.

Main Methods:

  • Literature review of studies on cytokines and AD.
  • Analysis of cytokine involvement in AD pathology.
  • Synthesis of current knowledge on cytokine-AD relationships.

Main Results:

  • Multiple cytokines, including interleukins and tumor necrosis factor, are critical in AD.
  • Cytokine signaling pathways contribute to aortic wall damage and cell death.
  • Evidence suggests a strong link between specific cytokines and AD progression.

Conclusions:

  • Cytokines play a pivotal role in the development and progression of aortic dissection.
  • Targeting cytokine pathways presents a promising avenue for future AD treatments.
  • Further research into cytokine-AD interactions is essential for advancing therapeutic strategies.