Related Experiment Video
Updated: Apr 21, 2026
08:00
Generation of Human Nasal Epithelial Cell Spheroids for Individualized Cystic Fibrosis Transmembrane Conductance Regulator Study
Published on: April 11, 2018
11.2K
Cystic fibrosis and physiological responses to exercise
Craig A Williams1, Zoe L Saynor, Owen W Tomlinson
1Children's Health and Exercise Research Centre, Sport and Health Sciences, University of Exeter, St Luke's Campus, Heavitree Road, Exeter, EX1 2Lu, UK.
Expert Review of Respiratory Medicine
|November 15, 2014
Summary
Cardiopulmonary exercise testing (CPET) is increasingly recognized for its value in managing cystic fibrosis patients. This review explores CPET
Area of Science:
- Pediatric Pulmonology
- Exercise Physiology
- Clinical Assessment
Background:
- Cardiopulmonary exercise testing (CPET) is underutilized in cystic fibrosis (CF) clinical management.
- There is growing interest in implementing CPET for CF patients, with discussions by the European Cystic Fibrosis Society.
- Understanding exercise limitation causes is crucial for CF patient care.
Purpose of the Study:
- To review the current application of CPET in pediatric cystic fibrosis patients.
- To analyze the extent and causes of exercise limitation.
- To discuss the interpretation of CPET parameters and recent advancements.
Main Methods:
- Review of current literature on CPET in pediatric cystic fibrosis.
- Analysis of measured parameters and their clinical interpretation.
- Synthesis of research on oxygen uptake (VO2) kinetics during and after exercise.
Main Results:
- CPET provides insights into cardiovascular, respiratory, and muscular limitations to exercise tolerance.
- VO2 kinetics, while primarily a research tool, enhances understanding of exercise limitations.
- Exercise testing aids in identifying the specific causes of reduced exercise capacity in CF.
Conclusions:
- CPET is a valuable tool for assessing exercise limitation in pediatric CF.
- Further integration of CPET into clinical practice is recommended.
- Exercise prescription based on CPET findings can optimize therapeutic interventions.
Keywords:
Ivacaftorcardiopulmonary exercise testinginspiratory muscle trainingoxygen uptake kineticspediatricsskeletal muscleMore Related Videos
05:56Implementation of Non-invasive Point of Care Transient Elastography for Evaluation of Liver Disease in Pediatric Populations with Cystic Fibrosis
Published on: August 29, 2025
721
06:57The WinCF Model - An Inexpensive and Tractable Microcosm of a Mucus Plugged Bronchiole to Study the Microbiology of Lung Infections
Published on: May 8, 2017
9.7K
Related Concept Videos
01:23Cystic Fibrosis: Pathogenesis
1.1K
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,...
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,...
1.1K
01:24Cystic Fibrosis: Management
656
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...
Sinus disease and chronic...
656
01:20Exercise and Cardiovascular Response
6.5K
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
6.5K
01:24Chest Physiotherapy
2.9K
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.
Purpose
CPT is primarily used for patients with excessive bronchial secretions who have difficulty clearing...
Purpose
CPT is primarily used for patients with excessive bronchial secretions who have difficulty clearing...
2.9K
01:27Exercise and Muscle Performance
6.4K
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...
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...
6.4K
01:24Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
22
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...
22