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Related Concept Videos

Asthma: Pathogenesis and Management01:20

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: Introduction01:29

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-II: Pathophysiology and Classification01:26

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-III: Symptoms and Complications01:24

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 I: Introduction01:28

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...
Chronic Obstructive Pulmonary Disease I: Introduction01:23

Chronic Obstructive Pulmonary Disease I: Introduction

Chronic obstructive pulmonary disease is a common, preventable, and treatable respiratory disorder characterized by persistent symptoms and progressive airflow limitation. This limitation results from a combination of small-airway disease (obstructive bronchiolitis) and parenchymal destruction (emphysema), both driven by chronic inflammation from exposure to harmful particles or gases.The disease includes two main pathological entities: emphysema, marked by destruction of alveolar walls and...

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A Component-resolved Diagnostic Approach for a Study on Grass Pollen Allergens in Chinese Southerners with Allergic Rhinitis and/or Asthma
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Risk factors for asthma in urban Ghana.

E O Addo-Yobo1, A Custovic, S C Taggart

  • 1Department of Child Health, Komfo Anokye Teaching Hospital, PO Box 1934, Kumasi, Ghana.

The Journal of Allergy and Clinical Immunology
|September 7, 2001
PubMed
Summary
This summary is machine-generated.

Asthma risk in Ghanaian children is linked to dust mite and cockroach allergies, inner-city living, and family history. These factors increase the likelihood of developing asthma in this population.

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Area of Science:

  • Environmental Health
  • Pediatric Allergy
  • Epidemiology

Background:

  • Asthma prevalence and severity are rising in Africa.
  • Previous research indicated low atopy rates in West Africa.

Purpose of the Study:

  • Investigate risk factors for asthma in Ghanaian school children.
  • Identify environmental and familial associations with childhood asthma.

Main Methods:

  • Compared 50 asthmatic children with 50 healthy controls (ages 9-16).
  • Utilized questionnaires, skin testing, IgE measurements, and bed dust allergen analysis.
  • Assessed exposure to mite, cat, dog, and cockroach allergens.

Main Results:

  • Asthmatic children had higher mite allergen exposure.
  • Sensitization to mites (OR 10.4) and cockroaches (OR 4.9) were significant risk factors.
  • Inner-city residence (OR 4.8) and lower birth order (OR 6.3) were also associated with asthma.

Conclusions:

  • Dust mite and cockroach sensitization are key asthma risk factors in Ghanaian children.
  • Inner-city residence and birth order are independent predictors of childhood asthma.
  • Findings highlight environmental and social determinants of asthma in the region.