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Related Concept Videos

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...
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
Respiratory Volumes and Capacities I01:26

Respiratory Volumes and Capacities I

Assessing the respiratory rate and rhythm for a complete minute is crucial for evaluating the breathing pattern. Even a minor increase in the patient's average respiratory rate, by as little as three to five breaths per minute, is an early and vital indicator of respiratory distress. Patients with a respiratory rate exceeding twenty-four breaths per minute require close monitoring to determine the physiological alterations. This careful observation is essential for prompt recognition and...
Chronic Obstructive Pulmonary Disease-I: Introduction01:20

Chronic 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.

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Related Experiment Video

Updated: Jun 28, 2026

Using Continuous Data Tracking Technology to Study Exercise Adherence in Pulmonary Rehabilitation
09:42

Using Continuous Data Tracking Technology to Study Exercise Adherence in Pulmonary Rehabilitation

Published on: November 8, 2013

Repeat pulmonary rehabilitation programs confer similar increases in functional exercise capacity to initial

Kylie Hill1, Vishal Bansal, Dina Brooks

  • 1Department of Respirology, West Park Healthcare Centre, Toronto, Ontario, Canada.

Journal of Cardiopulmonary Rehabilitation and Prevention
|November 15, 2008
PubMed
Summary

Repeat pulmonary rehabilitation (PR) programs yield similar functional exercise capacity gains as initial programs. However, significant declines in exercise capacity between programs suggest a need for more frequent PR interventions.

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Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
07:10

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease

Published on: August 24, 2019

Related Experiment Videos

Last Updated: Jun 28, 2026

Using Continuous Data Tracking Technology to Study Exercise Adherence in Pulmonary Rehabilitation
09:42

Using Continuous Data Tracking Technology to Study Exercise Adherence in Pulmonary Rehabilitation

Published on: November 8, 2013

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
07:10

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease

Published on: August 24, 2019

Area of Science:

  • Pulmonary Medicine
  • Cardiorespiratory Rehabilitation

Background:

  • Pulmonary rehabilitation (PR) benefits decline within 12-24 months post-program.
  • Repeat PR programs are often offered to patients experiencing decreased exercise capacity.

Purpose of the Study:

  • To compare functional exercise capacity measures between initial and repeat pulmonary rehabilitation programs.

Main Methods:

  • Retrospective review of inpatient PR patient records from 2001.
  • Analysis of 6-minute walk distance (6MWD) and endurance walk time (EWT) before and after initial and repeat PR programs.

Main Results:

  • Seventy-six patients were included; 17 underwent repeat PR.
  • Repeaters showed greater 6MWD improvement during their initial PR.
  • 6MWD decreased significantly between initial and repeat programs (mean 45.1 m decline).
  • Improvements in 6MWD and EWT were comparable between initial and repeat PR programs.

Conclusions:

  • Initial and repeat PR programs provide similar functional exercise capacity improvements.
  • A 25-month interval between PR programs leads to substantial exercise capacity loss.
  • Shorter intervals between pulmonary rehabilitation programs may be beneficial.