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Asthma-IV: Diagnostic and Management01:30

Asthma-IV: Diagnostic and Management

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Clinical Assessment for Asthma:
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Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
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Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...
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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
14:39

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Published on: November 4, 2010

Bronchial provocation tests in clinical practice.

Marcos de Carvalho Borges1, Erica Ferraz, Elcio Oliveira Vianna

  • 1Divisão Pulmonar- Department of Medicine, Universidade de São Paulo, Ribeirão Preto, Brazil.

Sao Paulo Medical Journal = Revista Paulista De Medicina
|October 6, 2011
PubMed
Summary

Bronchial hyperresponsiveness, an exaggerated airway response, is key in asthma. Bronchial provocation tests, using direct or indirect stimuli, help diagnose asthma and related conditions.

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Area of Science:

  • Pulmonology
  • Clinical Medicine

Background:

  • Bronchial hyperresponsiveness is a hallmark of asthma, affecting nearly all patients.
  • It can also occur in conditions like COPD, allergic rhinitis, and with certain medications (e.g., beta-blockers).

Purpose of the Study:

  • To review bronchial provocation tests (bronchial challenges).
  • To differentiate between direct and indirect stimuli used in these tests.
  • To discuss clinical applications, including asthma diagnosis and athlete screening.

Main Methods:

  • Review of existing literature on bronchial provocation tests.
  • Classification of stimuli into direct and indirect categories.
  • Discussion of test indications and clinical utility.

Main Results:

  • Bronchial provocation tests are valuable tools for assessing airway responsiveness.
  • Direct and indirect stimuli offer different approaches to challenge the airways.
  • These tests aid in diagnosing asthma, exercise-induced bronchoconstriction, and cough-variant asthma.

Conclusions:

  • Bronchial provocation tests are increasingly utilized and validated for clinical practice.
  • Understanding direct vs. indirect stimuli is crucial for appropriate test selection.
  • These tests have significant applications in diagnosing respiratory conditions and evaluating athletes.