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Related Concept Videos

Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

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Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
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Asthma-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

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Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
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Asthma I: Introduction01:28

Asthma I: Introduction

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Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
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Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

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Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
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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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COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

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Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
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[Bronchial asthma pathogenesis and genetic prognosis development].

I P Balmasova, R I Sepiashvili, Ia R Sepiashvili

    Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii
    |October 8, 2014
    PubMed
    Summary

    This review explores genetic prognosis for bronchial asthma risk, linking pathogenesis mechanisms to genetic studies. It highlights the roles of epithelial and immune cells, particularly T-helper cells, in disease development.

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    Area of Science:

    • Immunology
    • Genetics
    • Respiratory Medicine

    Context:

    • Bronchial asthma is a complex, heterogeneous respiratory disease with varied etiology and clinical presentations.
    • Understanding the genetic underpinnings of bronchial asthma is crucial for accurate risk prediction.
    • Methodological challenges exist in establishing reliable genetic prognoses for bronchial asthma.

    Purpose:

    • To review current understanding of bronchial asthma pathogenesis, focusing on trigger mechanisms.
    • To correlate advancements in deciphering pathogenesis with genetic study approaches.
    • To explore the role of epithelial and immune system cells, specifically T-helper cells, in disease development.

    Summary:

    • The review examines the role of epithelial tissue in initiating bronchial asthma.
    • It investigates the critical function of various T-helper cell types in inflammatory responses.
    • Parallels are drawn between modern genetic study methods and novel concepts of asthma pathogenesis.

    Impact:

    • Aligns contemporary genetic research with emerging concepts in bronchial asthma pathogenesis.
    • Provides a framework for improved genetic risk assessment of bronchial asthma.
    • Facilitates a deeper understanding of the complex interplay between genetics and environmental triggers in asthma.