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Related Concept Videos

Allergic Reactions02:06

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Overview
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Lower respiratory tract disorders present challenges that often require skilled and nuanced approaches for effective management. Common ailments, such as asthma and chronic obstructive pulmonary disease (COPD), have prompted the development of intricate treatment strategies involving bronchodilators and anti-inflammatory drugs, each tailored to ease breathing and revitalize the lungs.
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Asthma: Pathogenesis and Management01:20

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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.
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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.
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Allergic Reactions: Anaphylaxis01:30

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Anaphylaxis is a severe, life-threatening hypersensitivity reaction mediated by Immunoglobulin E (IgE) antibodies. When IgE binds to allergens, it triggers the release of mediators– histamine, leukotrienes, and prostaglandins from mast cells and basophils. These mediators cause vasodilation, edema, and inflammation, leading to various symptoms.The primary allergens causing anaphylaxis include food items (e.g., peanuts, shellfish), drugs (e.g., penicillin, asparaginase, corticotropin,...
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Asthma I: Introduction01:28

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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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Absorption of Nasal and Bronchial Fluids: Precision Sampling of the Human Respiratory Mucosa and Laboratory Processing of Samples
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Allergic rhinitis: systemic inflammation and implications for management.

Larry Borish1

  • 1Asthma and Allergic Disease Center, Beirne Carter Center for Immunology Research, University of Virginia Health System Charlottesville, VA 22908, USA.

The Journal of Allergy and Clinical Immunology
|December 6, 2003
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Summary
This summary is machine-generated.

Allergic rhinitis causes widespread inflammation, impacting nasal symptoms and related conditions. Leukotriene modifiers offer a safe, systemic approach to manage this inflammation effectively.

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Area of Science:

  • Immunology
  • Allergy Research
  • Pharmacology

Background:

  • Allergic rhinitis initiates systemic inflammation via immune cell mediators like histamine and cytokines.
  • This inflammation leads to nasal symptoms and is associated with comorbid conditions such as asthma and sinusitis.
  • Current therapies have limitations in addressing both local and systemic inflammatory aspects.

Purpose of the Study:

  • To evaluate therapeutic strategies for allergic rhinitis that address both local and systemic inflammation.
  • To assess the efficacy and safety of different treatment options for allergic rhinitis and its comorbidities.

Main Methods:

  • Review of inflammatory mediators released during allergic rhinitis.
  • Analysis of the systemic effects of allergic rhinitis on comorbid conditions.
  • Evaluation of the mechanisms of action and clinical profiles of antihistamines, corticosteroids, and leukotriene modifiers.

Main Results:

  • Antihistamines primarily address early histamine-mediated symptoms but do not impact the broader inflammatory loop.
  • Oral corticosteroids offer systemic anti-inflammatory effects but have toxicity concerns.
  • Intranasal corticosteroids target local nasal inflammation but not systemic or comorbid conditions.
  • Leukotriene modifiers demonstrate systemic anti-inflammatory effects with a favorable safety profile.

Conclusions:

  • Effective allergic rhinitis treatment requires addressing underlying systemic inflammation and associated comorbidities.
  • Leukotriene modifiers represent a promising therapeutic option due to their systemic anti-inflammatory action and safety.
  • Further research into comprehensive management strategies for allergic rhinitis and its systemic impact is warranted.