Related Experiment Video
Updated: Apr 24, 2026
13:28
Methodology for Sputum Induction and Laboratory Processing
Published on: December 17, 2017
29.4K
Pathophysiological characteristics of asthma in the elderly: a comprehensive study
Hideki Inoue1, Akio Niimi2, Tomoshi Takeda1
1Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
Summary
Elderly asthma patients show greater small and large airway disease compared to younger adults. This study highlights age-related differences in asthma pathophysiology, impacting airway function.
Area of Science:
- Pulmonology
- Geriatric Medicine
- Respiratory Medicine
Background:
- Asthma pathophysiology in elderly individuals is not well-understood.
- Limited comprehensive studies exist on elderly asthma, including disease site, inflammation, and hyperresponsiveness.
Purpose of the Study:
- To investigate and clarify the distinct pathophysiologic characteristics of asthma in elderly patients.
Main Methods:
- Retrospective analysis comparing elderly (age > 65) and non-elderly asthma patients.
- Utilized spirometry, computed tomography (CT) for airway dimensions, impulse oscillation system (IOS) for airway resistance, exhaled nitric oxide, and immunological markers (IgE).
Main Results:
- Elderly asthma patients exhibited significantly reduced lung function (FEV1, FEF25-75, FEV1/FVC ratio).
- CT scans revealed greater airway wall thickening and air trapping in the elderly group.
- IOS measurements indicated more significant small airway disease in elderly patients, with no differences in inflammation markers or methacholine responsiveness.
Conclusions:
- Elderly asthma patients demonstrate more extensive small and large airway involvement compared to non-elderly patients.
- Findings suggest age-related structural changes contribute significantly to asthma severity in older adults.
More Related Videos
Related Concept Videos
01:20Asthma: Pathogenesis and Management
1.5K
Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
1.5K
01:26Asthma-II: Pathophysiology and Classification
4.6K
Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
4.6K
01:13Asthma III: Clinical Manifestations
35
Asthma presents with a characteristic pattern of episodic respiratory symptoms that reflect underlying airway inflammation, bronchoconstriction, and mucus hypersecretion. Although severity varies among individuals, certain clinical manifestations are considered hallmarks of the disorder and often guide diagnosis and assessment.Respiratory SymptomsA persistent cough is one of the most common early features of asthma. It is frequently dry and tends to worsen at night or in the early morning,...
35
01:28Asthma I: Introduction
69
Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
69
01:24Asthma-III: Symptoms and Complications
3.5K
Asthma, a common chronic respiratory condition, is classified considering the frequency and severity of symptoms alongside lung function impairment. Understanding this classification is essential for appropriate treatment and management. Here's a detailed look at the classification of asthma and its clinical features and complications:
Classification of Asthma
Classification of Asthma
3.5K
01:29Asthma-I: Introduction
3.5K
Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
3.5K