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Related Concept Videos

Cystic Fibrosis: Management01:24

Cystic Fibrosis: Management

209
Cystic fibrosis (CF) is an autosomal recessive disorder that predominantly affects individuals of Northern European descent, occurring at a rate of 1 in 3500. It is caused by a genetic mutation in a gene on chromosome 7, most commonly the ΔF508 mutation, that codes for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. This results in thicker mucus secretions and obstruction pathologies in multiple organs, including the lungs and sinuses.
Sinus disease and chronic...
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Cystic Fibrosis: Pathogenesis01:23

Cystic Fibrosis: Pathogenesis

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Cystic fibrosis (CF), an autosomal recessive disorder, significantly affects the function of exocrine glands. This genetically inherited disease is characterized by the production of thick and sticky mucus, which can severely affect various organs and systems in the body.
CF is primarily caused by a genetic mutation in a chromosome 7 gene coding for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. The most common gene mutation leading to CF is the ΔF508 mutation,...
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Chest Physiotherapy01:24

Chest Physiotherapy

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Chest Physiotherapy (CPT) is a therapeutic technique used in respiratory care to improve ventilation, clear bronchial secretions, and enhance the efficiency of respiratory muscles. This therapy includes three primary procedures: postural drainage, percussion, and vibration. It can be performed on spontaneously breathing patients and those who are intubated and mechanically ventilated.
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CPT is primarily used for patients with excessive bronchial secretions who have difficulty clearing...
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Exercise and Muscle Performance01:27

Exercise and Muscle Performance

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Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
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Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies01:27

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

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Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
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Chronic Obstructive Pulmonary Disease-V: Management01:29

Chronic Obstructive Pulmonary Disease-V: Management

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Managing Chronic Obstructive Pulmonary Disease (COPD) involves a multifaceted approach to reduce symptoms, prevent exacerbations, improve overall health status, and slow disease progression. Key strategies include lifestyle modifications, pharmacotherapy, supportive therapies, and, in some cases, surgery. Here is an overview of the primary COPD management strategies:
Smoking Cessation
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Related Experiment Video

Updated: Aug 12, 2025

Forskolin-induced Swelling in Intestinal Organoids: An In Vitro Assay for Assessing Drug Response in Cystic Fibrosis Patients
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Exercise and Cystic Fibrosis: A Review.

Frank J Cerny1, Lisa M Armitage1

  • 1Department of Physical Therapy and Exercise Science, Kimball Tower, SUNY at Buffalo, Buffalo, NY 14214, USA.

Pediatric Exercise Science
|February 2, 2023
PubMed
Summary

Cystic fibrosis (CF) causes lung disease that increases dead space, affecting exercise ventilation. Most CF patients can exercise safely, and oxygen therapy can help those with severe dysfunction.

Area of Science:

  • Pulmonary Medicine
  • Exercise Physiology
  • Respiratory Diseases

Background:

  • Cystic fibrosis (CF) leads to chronic obstructive pulmonary disease (COPD) with increasing pulmonary dead space.
  • Exercise in CF patients typically elicits a higher minute ventilation (V̇E) than expected.
  • Severe CF can cause lung hyperinflation, limiting tidal volume and V̇E during physical activity.

Purpose of the Study:

  • To evaluate the impact of cystic fibrosis on exercise pulmonary response.
  • To determine the adequacy of ventilation during exercise in CF patients.
  • To assess the benefits and recommendations for exercise in individuals with CF.

Main Methods:

  • Analysis of pulmonary gas exchange during exercise in CF patients.

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Generation of Human Nasal Epithelial Cell Spheroids for Individualized Cystic Fibrosis Transmembrane Conductance Regulator Study
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  • Assessment of arterial oxygen and carbon dioxide levels during physical activity.
  • Evaluation of the role of oxygen supplementation in facilitating exercise.

    • Main Results:

    • Elevated V̇E during exercise is common in CF.
    • Inadequate V̇E can lead to hypoxemia or hypercapnia during exertion in some patients.
    • Oxygen supplementation improves exercise capacity for many individuals with severe CF lung disease.

    Conclusions:

    • Regular exercise is generally beneficial and should be encouraged for CF patients on an individual basis.
    • Most CF patients can exercise without significant gas exchange impairment.
    • Oxygen therapy can enable participation in physical activity for those with severe pulmonary dysfunction.