Zusammenfassung
Fortgeschrittenes Alter ist assoziiert mit signifikanten Änderungen der Lungenstruktur, einer Reduktion der Lungenfunktion, Änderungen des Immunsystems mit Auswirkungen auf die Lunge selbst und einer gestörten Integrität physiologischer Barrieren gegen das Eindringen von Partikeln und Organismen. Diese Veränderungen der respiratorischen Physiologie und der Funktion des Immunsystems in Verbindung mit einer leichtgradigen chronischen Entzündung im Lungengewebe als Reaktion auf Umweltexposition und endogene Faktoren erklären zumindest teilweise die erhöhte Suszeptibilität der alternden Lunge für bestimmte Erkrankungen. Dazu zählen chronische Bronchitis, Lungenemphysem, COPD, Lungenkrebs und Infektionen einschließlich Lungenentzündungen, die beim älteren Menschen Erkrankungen mit hoher Sterblichkeit darstellen.
Abstract
Advanced age is associated with significant changes in lung structure, a decline in lung function, changes in the immune system and impairment of the physical barriers that protect against invading particles and organisms. These alterations in respiratory physiology and immune function coupled with low grade chronic inflammation of lung tissue induced by environmental exposure or endogenous factors may, at least in part, account for the increase in susceptibility to characteristic illnesses. These include chronic bronchitis, emphysema, chronic obstructive pulmonary disease (COPD), neoplasia and infections including pneumonia as a leading cause of illness and death in the elderly.
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Kleibrink, B., Teschler, H. Wie funktioniert die Lunge im Alter?. Pneumologe 9, 331–341 (2012). https://doi.org/10.1007/s10405-011-0521-7
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DOI: https://doi.org/10.1007/s10405-011-0521-7