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Related Concept Videos

Asthma I: Introduction01:28

Asthma I: Introduction

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...
Asthma-I: Introduction01:29

Asthma-I: Introduction

Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

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.
Asthma III: Clinical Manifestations01:13

Asthma III: Clinical Manifestations

Asthma presents with a characteristic pattern of episodic respiratory symptoms that reflect underlying airway inflammation, bronchoconstriction, and mucus hypersecretion. Although severity varies among individuals, certain clinical manifestations are considered hallmarks of the disorder and often guide diagnosis and assessment.Respiratory SymptomsA persistent cough is one of the most common early features of asthma. It is frequently dry and tends to worsen at night or in the early morning,...
Asthma-IV: Diagnostic and Management01:30

Asthma-IV: Diagnostic and Management

The diagnosis and management of asthma are comprehensive, encompassing clinical assessments, lung function tests, and pharmacological interventions. Here's an overview:
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:
Asthma-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

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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A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data
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Vitamin D and asthma.

Garbo Mak, Nicola A Hanania

    Current Opinion in Pulmonary Medicine
    |November 4, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Vitamin D may influence asthma development and severity by modulating the immune system. Further research is needed to clarify its precise role and potential therapeutic applications in asthma management.

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    Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
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    Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
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    Published on: November 4, 2010

    Area of Science:

    • Immunology
    • Endocrinology
    • Respiratory Medicine

    Background:

    • Asthma represents a significant global health challenge.
    • Vitamin D, known for its immunomodulatory properties, is investigated for its role in chronic diseases.
    • This review explores vitamin D's regulation of the immune system and its connection to asthma pathophysiology.

    Discussion:

    • Vitamin D receptors are found on immune cells like peripheral blood mononuclear cells.
    • Vitamin D influences the balance between pro-inflammatory and anti-inflammatory immune responses.
    • Evidence links prenatal vitamin D levels to childhood wheezing and asthma incidence.

    Key Insights:

    • Vitamin D may impact asthma exacerbations and steroid-resistant asthma.
    • The exact mechanisms by which vitamin D affects asthma remain under investigation.
    • Current findings suggest a complex relationship between vitamin D and immune regulation in asthma.

    Outlook:

    • Further studies are essential to elucidate the diagnostic and therapeutic potential of vitamin D in asthma.
    • Understanding vitamin D's role could lead to novel strategies for asthma management.
    • Continued research will clarify the net effect of vitamin D on immune function and asthma outcomes.