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Related Concept Videos

Asthma-I: Introduction01:29

Asthma-I: Introduction

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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...
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Asthma-III: Symptoms and Complications01:24

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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
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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.
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.
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Asthma-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

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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.
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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Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

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Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
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Chronic Obstructive Pulmonary Disease01:24

Chronic Obstructive Pulmonary Disease

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COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
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Long Term Chronic Pseudomonas aeruginosa Airway Infection in Mice
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Chronic Infection and Severe Asthma.

Tara F Carr1, Monica Kraft1

  • 1Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, University of Arizona, 1501 North Campbell Avenue, Tucson, AZ 85724, USA.

Immunology and Allergy Clinics of North America
|July 13, 2016
PubMed
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Chronic bacterial infections, particularly atypical bacteria like Mycoplasma pneumoniae and Chlamydophila pneumoniae, are linked to severe asthma. Antibiotic treatment targeting these bacteria may benefit asthmatic patients.

Keywords:
Chlamydophila pneumoniaeChronic infectionMacrolidesMicrobiomeMycoplasma pneumoniaeSevere asthma

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Area of Science:

  • Pulmonology
  • Microbiology
  • Immunology

Background:

  • Chronic bacterial infections are associated with asthma development and severity.
  • Atypical bacteria, Mycoplasma pneumoniae and Chlamydophila pneumoniae, are found in asthmatic airways.
  • These infections correlate with asthma features like adult onset and exacerbation risk.

Purpose of the Study:

  • To investigate the role of atypical bacterial infections in asthma.
  • To explore the potential benefits of antibiotic treatment for asthmatics with bacterial infections.
  • To examine the airway microbiome for risk or protective microbial communities in severe asthma.

Main Methods:

  • Identification of Mycoplasma pneumoniae and Chlamydophila pneumoniae in asthmatic airways.
  • Correlation analysis between bacterial presence and clinical asthma features (onset, exacerbations, steroid sensitivity, symptom control).
  • Assessment of airway microbiome composition.

Main Results:

  • Atypical bacteria were identified in asthmatic patients.
  • Bacterial presence correlated with specific clinical asthma characteristics.
  • Potential for antibiotic therapy targeting atypical organisms was suggested.

Conclusions:

  • Chronic atypical bacterial infections are relevant to asthma pathogenesis and severity.
  • Antibiotic therapy against Mycoplasma pneumoniae and Chlamydophila pneumoniae may be a viable treatment strategy.
  • Airway microbiome analysis offers insights into asthma risk and protection.