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Asthma I: Introduction

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: Introduction

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-III: Symptoms and Complications

Asthma-III: Symptoms and Complications

Asthma, a common chronic respiratory condition, is classified considering the frequency and severity of symptoms alongside lung function impairment. Understanding this classification is essential for appropriate treatment and management. Here's a detailed look at the classification of asthma and its clinical features and complications:
Classification of Asthma

Asthma III: Clinical Manifestations

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 Management

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 Classification

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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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Published on: November 4, 2010

Asthma in adolescent athletes.

Kai-Håkon Carlsen¹, Erlend Hem, Trine Stensrud

¹Department of Paediatrics, Faculty of Medicine, Oslo University Hospital, NO 0027 Oslo, Norway. k.h.carlsen@medisin.uio.no

British Journal of Sports Medicine

|November 26, 2011

Summary

Endurance sports increase asthma risk in young athletes due to airway inflammation and environmental triggers. Early diagnosis and management are crucial for athletes experiencing respiratory symptoms.

Area of Science:

Sports Medicine
Pediatric Pulmonology
Exercise Physiology

Background:

Athletes in endurance sports face higher asthma risks.
Asthma can manifest in childhood or develop during athletic careers.
Exercise-induced asthma (EIA) affects 8-10% of school-aged children and 35% of those with asthma.

Purpose of the Study:

To examine the link between sports activities and asthma in children and adolescents.
To highlight the mechanisms and risk factors for asthma development in young athletes.
To emphasize the importance of considering environmental and training factors in managing athlete respiratory health.

Main Methods:

Review of existing literature on exercise-induced asthma in athletes.
Analysis of physiological responses to exercise contributing to bronchial constriction.

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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

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Published on: November 4, 2010

Murine Model of Allergen Induced Asthma

Murine Model of Allergen Induced Asthma

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Examination of environmental exposures and training regimens in relation to asthma development.

Main Results:

Increased ventilation during exercise leads to heat/water loss, causing bronchial constriction.
Repetitive training causes airway epithelial damage, delayed repair, and inflammation.
Environmental factors like cold air (skiers) and chlorine (swimmers) exacerbate asthma symptoms.

Conclusions:

Young athletes are susceptible to asthma due to training and environmental exposures.
Asthma can be acquired or worsened by sports participation.
Special attention is needed for diagnosis and treatment of respiratory issues in adolescent athletes, considering medication regulations.