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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:

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: Pathogenesis and Management

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-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: Clinical Manifestations

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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:

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Cultivate Primary Nasal Epithelial Cells from Children and Reprogram into Induced Pluripotent Stem Cells

Cultivate Primary Nasal Epithelial Cells from Children and Reprogram into Induced Pluripotent Stem Cells

Published on: March 10, 2016

Pediatric asthma phenotypes.

Kelly Cowan¹, Theresa W Guilbert

¹University of Wisconsin, Madison, Wisconsin, USA.

Current Opinion in Pediatrics

|May 11, 2012

Summary

This summary is machine-generated.

Identifying children with recurrent wheezing who will develop persistent asthma is challenging. Key risk factors like atopy and reduced lung function influence asthma development, but more research is needed for accurate prediction.

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Identification and Characterization of Immunogenic RNA Species in HDM Allergens that Modulate Eosinophilic Lung Inflammation

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Published on: May 30, 2020

Area of Science:

Pediatric Pulmonology
Allergy and Immunology
Asthma Research

Background:

Accurate prediction of persistent asthma in young children with recurrent wheezing remains a clinical challenge.
Understanding the influence of various risk factors on long-term asthma development is crucial.

Purpose of the Study:

To review current efforts in categorizing children with recurrent wheezing.
To discuss the development of tools for predicting asthma development.

Main Methods:

Literature review of studies identifying wheezing phenotypes and risk factors.
Analysis of factors contributing to asthma persistence and severity.

Main Results:

Transient and persistent wheezing phenotypes are associated with atopy, reduced lung function, and respiratory infections.
Severe asthma in children correlates with higher atopy and lower lung function compared to mild-moderate cases.

Conclusions:

Wheezing phenotype heterogeneity contributes to varied treatment responses and outcomes.
Phenotype overlap and instability complicate discrete group definition, necessitating further research for improved asthma prevention and treatment.