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Related Concept Videos

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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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Bronchodilators are critical in managing asthma, a chronic respiratory condition characterized by airway constriction due to inflammation and hyper-reactivity. Specifically, bronchodilators ease this constriction by relaxing the bronchial muscles, facilitating easier breathing.
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Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
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Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
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Lower respiratory tract disorders present challenges that often require skilled and nuanced approaches for effective management. Common ailments, such as asthma and chronic obstructive pulmonary disease (COPD), have prompted the development of intricate treatment strategies involving bronchodilators and anti-inflammatory drugs, each tailored to ease breathing and revitalize the lungs.
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Related Experiment Video

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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
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Effects of bronchoscopy on lung function in asthmatics.

Christina Bellinger1, Eugene R Bleecker1, Stephen Peters1

  • 1a Center for Genomics and Personalized Medicine Research, Wake Forest University School of Medicine , Winston-Salem , NC , USA.

The Journal of Asthma : Official Journal of the Association for the Care of Asthma
|January 6, 2017
PubMed
Summary

Asthma patients

Keywords:
Asthmabronchoscopylung function

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Area of Science:

  • Pulmonary Medicine
  • Respiratory Physiology

Background:

  • Bronchoscopy can impact lung function in asthma patients.
  • Understanding these changes is crucial for managing asthma severity.

Purpose of the Study:

  • To assess pulmonary function changes after bronchoscopy in asthma patients.
  • To compare recovery rates between non-severe and severe asthma.

Main Methods:

  • Spirometry was performed pre- and post-bronchoscopy.
  • Asthma and control groups underwent bronchoscopy.
  • A subset received corticosteroids before a second bronchoscopy.

Main Results:

  • Severe asthma (SA) and non-severe asthma (NSA) showed similar initial lung function drops.
  • SA subjects had slower recovery of FEV1 and FVC post-bronchoscopy compared to controls and NSA.
  • Corticosteroid treatment accelerated lung function recovery in both NSA and SA groups.

Conclusions:

  • Non-severe asthma patients recover lung function faster post-bronchoscopy than severe asthma patients.
  • Corticosteroids enhance lung function recovery, suggesting inflammation plays a role in post-bronchoscopy changes.