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Related Concept Videos

Chronic Obstructive Pulmonary Disease01:24

Chronic 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...
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies01:27

Chronic 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
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.
Chronic Obstructive Pulmonary Disease-V: Management01:29

Chronic Obstructive Pulmonary Disease-V: Management

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
Chronic Obstructive Pulmonary Disease-V: Nursing Management01:30

Chronic Obstructive Pulmonary Disease-V: Nursing Management

Nursing management of Chronic Obstructive Pulmonary Disease (COPD) is crucial for providing thorough care and support to patients. Nurses play an integral role in this process through detailed assessment, careful planning, targeted interventions, and ongoing evaluation. Here's an overview of the critical steps in nursing management for COPD.
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COPD: Management Using Bronchodilators and Corticosteroids01:26

COPD: 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...

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Related Experiment Video

Updated: Jun 16, 2026

Machine Learning-Based Cough Tone Classification: Diagnostic Exploration of Chronic Obstructive Pulmonary Disease and Respiratory Tract Infections
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Swallowing and ventilation patterns in stable COPD patients: An observational study.

Virgil Rolland1, Armand Bonne2, Rimeh Ayari2

  • 1Rouen University Hospital, Department of Pulmonary Rehabilitation, Rouen F76000, France; Normandie Univ, UNIROUEN, EA 3830 Research Group on Ventilatory and neurological Handicap, Rouen F 76000, France.

Respiratory Physiology & Neurobiology
|March 30, 2025
PubMed
Summary

Patients with severe COPD primarily use an expiratory-expiratory swallowing pattern, similar to healthy individuals. However, swallowing significantly alters their breathing patterns, increasing respiratory cycle time and potentially impacting airway protection.

Keywords:
COPDDeglutition disordersDysphagiaSwallowing disordersVentilation

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Published on: August 24, 2019

Area of Science:

  • Respiratory Medicine
  • Gastroenterology
  • Swallowing Disorders

Background:

  • Swallowing coordination involves complex interplay between respiratory and deglutitive mechanisms.
  • Chronic Obstructive Pulmonary Disease (COPD) significantly impacts respiratory function, potentially affecting swallowing.
  • Understanding ventilatory patterns during swallowing is crucial for assessing airway protection in COPD patients.

Purpose of the Study:

  • To investigate swallowing coordination by analyzing ventilatory patterns during solid and liquid food intake in severe COPD patients.
  • To compare swallowing-induced ventilatory changes with resting breathing patterns.
  • To determine the predominant swallowing pattern and its characteristics in stable COPD.

Main Methods:

  • Twenty-one patients with severe to very severe stable COPD (GOLD III and IV) were recruited.
  • Simultaneous recordings of ventilation and swallowing were performed during standardized swallowing tasks (solids and liquids).
  • Analysis focused on respiratory timing parameters including inspiratory time (IT), expiratory time (ET), and total respiratory cycle time (TT).

Main Results:

  • The expiratory-expiratory (EE) swallowing pattern was predominant, observed in 80% of swallows, irrespective of food consistency.
  • Non-EE patterns occurred in approximately 20.68% of swallows per patient.
  • Swallowing, both solids and liquids, led to significantly prolonged ET and TT, and a decreased IT/TT ratio compared to rest.

Conclusions:

  • The EE swallowing pattern is maintained in stable COPD patients, similar to healthy individuals.
  • Significant alterations in ventilatory patterns, characterized by prolonged expiratory phases and reduced relative inspiratory time, occur during swallowing in COPD.
  • These findings enhance understanding of the swallowing-respiration interface in COPD, with implications for airway protection strategies.