Abstract
The aging lung is characterized by changes that result in both loss of elasticity and muscle strength, causing alterations in lung volumes, such as decreased vital capacity. Obesity compounds these changes. Fat accumulates around the ribs and diaphragm, and there is increased inspiratory resistance and loss of chest wall compliance. This causes an increased work of breathing which, in the worst case, can lead to dyspnea. There is not a clear-cut relationship between parameters of body weight and mass and alterations in pulmonary function, but loss of expiratory reserve volume, functional residual capacity, forced expiratory volume and forced vital capacity have been described. Dieting can improve pulmonary function, but undernutrtion must be avoided.
Current Respiratory Medicine Reviews
Title: Obesity and the Aging Respiratory System
Volume: 4 Issue: 2
Author(s): E. Paul Cherniack
Affiliation:
Abstract: The aging lung is characterized by changes that result in both loss of elasticity and muscle strength, causing alterations in lung volumes, such as decreased vital capacity. Obesity compounds these changes. Fat accumulates around the ribs and diaphragm, and there is increased inspiratory resistance and loss of chest wall compliance. This causes an increased work of breathing which, in the worst case, can lead to dyspnea. There is not a clear-cut relationship between parameters of body weight and mass and alterations in pulmonary function, but loss of expiratory reserve volume, functional residual capacity, forced expiratory volume and forced vital capacity have been described. Dieting can improve pulmonary function, but undernutrtion must be avoided.
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Cite this article as:
Cherniack Paul E., Obesity and the Aging Respiratory System, Current Respiratory Medicine Reviews 2008; 4 (2) . https://dx.doi.org/10.2174/157339808784222687
DOI https://dx.doi.org/10.2174/157339808784222687 |
Print ISSN 1573-398X |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6387 |
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