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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Research in experimental medicine 178 (1981), S. 219-228 
    ISSN: 1433-8580
    Keywords: Papain inhalation ; Lung emphysema ; Chronic obstructive airway disease ; Hyperreactivity of bronchial system ; Papain-Inhalation ; Emphysementwicklung ; chronisch obstruktive Atemwegserkrankung ; überempfindliches Bronchialsystem
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei Hunden konnten durch Papain-Inhalation emphysematöse Lungenveränderungen erzeugt werden, die sich morphologisch als ein zentrolobuläres Lungenemphysem darstellen ließen. Weiterhin bewirkte die Inhalation von Papain eine chronische Bronchitis, die aber mit dem klinischen Bild der chronisch obstruktiven Atemwegserkrankung nicht vergleichbar war. Funktionell entwickelte sich eine Empfindlichkeitssteigerung der Atemwege ACH gegenüber. Das Bronchialsystem ließ auch Anzeichen einer sich steigernden Vulnerabilität durch Proteasen erkennen, die durch hierdurch auslösbare sehr starke Atemwegsobstruktionen funktionell faßbar wurde. Das Lungengewebe ist in Hinsicht Emphysementwicklung bei klinisch gesunden Hunden durch die Protease Papain vulnerabler als das Bronchialsystem in Hinsicht auf die Entwicklung einer chronisch obstruktiven Atemwegserkrankung.
    Notes: Summary Inhalation of papain by dogs produced morphological changes corresponding to a centrolobular emphysema. The papain inhalation also induced a purulent catarrhal bronchitis. However, the functional changes seen in chronic obstructive bronchitis were not observed. During papain inhalation an increased sensitivity of the bronchial system develops corresponding to a tremendous increase in bronchospasm in response to Acetylcholine aerosol. The parenchymal lung tissue in dogs is more vulnerable in developing emphysema after papain exposure than is the bronchial system in developing a chronic obstructive airway disease.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1440
    Keywords: Chronic obstructive airway disease ; Arterial hypoxemia ; Liver function ; Galactose elimination capacity ; Indocyaninegreen clearance ; Oxygen therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Patients suffering from chronic obstructive airway disease often have arterial hypoxemia, which is more or less severe. If hypoxemia deteriorates the function of the liver is still unknown. The aim of this study was to determine, if a mostly oxygen dependent process of liver metabolism (galactose elimination capacity) is disturbed and if it can be increased by oxygen insufflation. Under the same conditions an oxygen independent process (indocyaninegreen clearance) should not be influenced. Our results show, that galactose elimination capacity under room air was pathologic and can be increased significantly by oxygen breathing. No change of indocyaninegreen clearance was seen under the same conditions. After termination of oxygen therapy the galactose elimination capacity was as bad as before oxygen breathing. Dysfunctions of the liver, which are caused by hypoxemia, can be positively influenced by oxygen, but only for the duration of oxygen insufflation.
    Type of Medium: Electronic Resource
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