Related Experiment Video
Updated: Jun 10, 2026
07:10
Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
Published on: August 24, 2019
[Shuttle test in severe COPD patients].
1Laboratorio Pulmonar, Unidad de Neumotisiología, Hospital Dr. J. M. Ramos Mejía, Buenos Aires. sivorimartin@yahoo.com
Medicina
|August 4, 2010
Summary
The shuttle test (ST) is a simple, maximal exercise test that correlates well with cardiopulmonary exercise testing (VO2max) in severe COPD patients. This makes the ST a valuable tool for pulmonary evaluations where advanced equipment is unavailable.
Area of Science:
- Pulmonary Medicine
- Exercise Physiology
- Respiratory Rehabilitation
Background:
- The shuttle test (ST) is an underutilized maximal exercise field test.
- Severe COPD patients (GOLD III-IV) require reliable exercise assessment.
Purpose of the Study:
- Compare exercise response variables between the ST, 6-minute walking test (SMWT), and maximal oxygen consumption (VO2max) test.
- Evaluate the utility of the ST in severe COPD patients.
Main Methods:
- 21 stable severe COPD patients underwent SMWT, ST, and VO2max testing.
- Spirometry, arterial blood gas, and quality of life questionnaires were administered.
- Cardiac frequency, oxygen saturation, and Borg dyspnea scale were monitored during tests.
Main Results:
- ST distance (318.8m) showed moderate correlation with SMWT (297.85m; r=0.52).
- ST demonstrated high correlation with VO2max (l/min; r=0.78) and VO2max (ml/kg/min; r=0.81).
- Moderate correlations were found between ST and heart rate, Borg dyspnea, and high correlation with oxygen saturation compared to VO2max.
Conclusions:
- The ST is a maximal, simple, and low-cost exercise test.
- It shows high correlation with VO2max testing, indicating its validity for assessing exercise response.
- The ST is a practical alternative for pulmonary evaluations lacking advanced equipment.
Related Concept Videos
01:27Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
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.
Medical History
Medical History
01:25Pulmonary 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...
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...
01:20Chronic Obstructive Pulmonary Disease-I: Introduction
Chronic Obstructive Pulmonary Disease (COPD) is a long-lasting respiratory condition requiring continuous attention and care. It is a progressive lung disease that leads to breathing challenges due to airflow obstruction. It manifests as persistent respiratory symptoms and restricted airflow resulting from abnormalities in the airways and alveoli, usually due to long-term exposure to harmful particles or gases. COPD mainly consists of two primary conditions: emphysema and chronic bronchitis.
01:26COPD: Management Using Bronchodilators and Corticosteroids
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...
01:24Chronic Obstructive Pulmonary Disease
COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
01:23Chronic Obstructive Pulmonary Disease II: Emphysema
Emphysema, a major phenotype of chronic obstructive pulmonary disease (COPD), is characterized by irreversible destruction of alveolar walls and permanent enlargement of distal airspaces. Unlike chronic bronchitis, which primarily affects the airways, emphysema predominantly involves the lung parenchyma, where structural damage leads to airflow limitation.PathophysiologyIt most commonly results from prolonged exposure to cigarette smoke and other toxic gases, particularly cigarette smoke.