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Related Concept Videos

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-IV: Diagnostic and Management01:30

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:
Asthma-IV: Nursing Management01:30

Asthma-IV: Nursing Management

The nursing management of asthma is a comprehensive approach that relies heavily on the expertise and dedication of healthcare professionals. It involves thorough assessment, accurate diagnosis, strategic planning, effective implementation, and diligent evaluation. By meticulously following this step-by-step process, healthcare professionals play a crucial role in providing the best possible care and treatment for patients with asthma, enhancing their overall health and well-being.
First, in...
Pulmonary Function Tests01:25

Pulmonary Function Tests

Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
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...
Asthma III: Clinical Manifestations01:13

Asthma III: Clinical Manifestations

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,...

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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
14:39

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Published on: November 5, 2010

Asthma in respiratory therapists.

D G Kern1, H Frumkin

  • 1Roger Williams General Hospital, Brown University Program in Medicine, Providence, Rhode Island.

Annals of Internal Medicine
|May 15, 1989
PubMed
Summary

Respiratory therapists have a significantly higher risk of developing asthma, with an odds ratio of 3.2. This increased risk appears to develop after entering the profession and is not due to confounding factors.

Area of Science:

  • Occupational Health
  • Pulmonary Medicine
  • Epidemiology

Background:

  • Asthma is a chronic respiratory condition affecting millions worldwide.
  • Identifying occupational risk factors is crucial for public health and prevention strategies.

Purpose of the Study:

  • To investigate the hypothesis that working as a respiratory therapist increases the risk of developing asthma.
  • To determine if asthma onset is linked to the respiratory therapy profession.

Main Methods:

  • A cross-sectional questionnaire study compared respiratory therapists to control groups (physical therapists, radiologic technologists).
  • Physician-diagnosed asthma cases were validated using methacholine challenge tests.
  • Logistic regression analysis controlled for potential confounding variables like age, smoking, and atopy.

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Last Updated: Jun 23, 2026

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
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Main Results:

  • Respiratory therapists showed a significantly higher prevalence of physician-diagnosed asthma (18.7%) compared to controls (5.8%).
  • The odds ratio for asthma associated with respiratory therapy was 3.2 (95% CI, 1.9 to 5.5) after controlling for covariates.
  • Asthma onset after entering the profession yielded an even higher odds ratio of 4.6 (95% CI, 2.0 to 10.4).
  • Validation studies confirmed bronchial hyperreactivity in a majority of tested respiratory therapists.

Conclusions:

  • The study suggests a previously unrecognized excess risk of asthma among respiratory therapists.
  • The findings indicate that occupational exposure in respiratory therapy may contribute to asthma development.
  • The observed association is unlikely to be explained by confounding, information, or selection bias.