Related Experiment Video
Updated: Jul 29, 2026
07:49
Measuring Local Anaphylaxis in Mice
Published on: October 14, 2014
20.2K
Pathophysiological mechanisms of exercise-induced anaphylaxis: an EAACI position statement
L Ansley1, M Bonini2, L Delgado3
1Faculty of Health & Life Sciences, Northumbria University, Newcastle Upon Tyne, UK.
Allergy
|June 24, 2015
Summary
Exercise-induced anaphylaxis (EIAn) is a rare, fatal syndrome. Current theories on its mechanisms lack evidence, necessitating a global research network for better diagnosis and treatment.
Area of Science:
- Immunology
- Exercise Physiology
- Allergy
Background:
- Exercise-induced anaphylaxis (EIAn) is a rare, potentially fatal syndrome.
- The underlying pathophysiological mechanisms of EIAn remain poorly understood.
- Existing hypotheses regarding EIAn mechanisms require scientific validation.
Purpose of the Study:
- To evaluate the validity of proposed mechanisms for exercise-induced anaphylaxis (EIAn).
- To reach a consensus on the understanding of EIAn.
- To recommend future research directions for EIAn.
Main Methods:
- A multidisciplinary expert panel consensus.
- Review and evaluation of existing theories on EIAn mechanisms.
- Assessment of theories against exercise physiology and immunology principles.
Main Results:
- The consensus concluded that proposed mechanisms for EIAn currently lack scientific validity.
- Evidence supporting popular theories on EIAn pathophysiology was found to be insufficient.
- The review highlighted a critical need for further scientific investigation.
Conclusions:
- Proposed mechanisms for exercise-induced anaphylaxis (EIAn) are not supported by current evidence.
- A global research network is recommended to standardize EIAn diagnosis and treatment.
- Further research is crucial to elucidate EIAn mechanisms and improve patient outcomes.
More Related Videos
Related Concept Videos
02:06Allergic Reactions
Overview
01:20Asthma: 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 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.
01:20Exercise and Cardiovascular Response
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
01:26Asthma-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:
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:
01:30Allergic Reactions: Anaphylaxis
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, heparin),...
01:28Asthma 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...