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  • Articles: DFG German National Licenses  (5)
  • Electronic Resource  (5)
  • Airway Resistance  (3)
  • Bronchial hyperresponsiveness  (2)
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  • Articles: DFG German National Licenses  (5)
Material
  • Electronic Resource  (5)
Years
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Inhalative Noxen: Schwefeldioxyd (1974)
    Springer
    Lung 150 (1974), S. 83-96 
    Details
    ISSN: 1432-1750
    Keywords: Exposure to SO2 ; Airway Resistance ; Time-Concentration Curve ; Obstructive Bronchitis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Anhand eigener Ergebnisse und anhand der Literaturangaben werden verschiedene Bereiche der SO2-Belastung von Tier und Mensch beschrieben. Bei geringen Konzentrationen in Bereichen der MIK-Werte kann es zu einer Steigerung der Empfindlichkeit des Bronchialsystems kommen. Der Organismus verfügt über Adaptationsmechanismen. Wahrscheinlich spielen Konzentrationsänderungen pro Zeiteinheit eine größere Rolle als die absoluten Konzentrationen. Höhere Konzentrationen können das Krankheitsbild der chronisch obstruktiven Bronchitis verursachen. Probanden, welche SO2 gegenüber am Arbeitsplatz exponiert sind, sollten mit ihrer Reagibilität des Bronchialsystems überwacht werden.
    Notes: Abstract SO2 shows different reactions on the lung and on the bronchial tree, depending on concentration and on duration of exposure. Low concentration can increase the sensitivity of the bronchial receptors, higher concentrations can directly increase the airway resistance. This reaction depends also on other particles inhaled at the same time. Coal dust (8 mg/m3) has no influence on the SO2 effect. Higher concentrations can cause chronic obstructive bronchitis, as could be shown in dogs. Persons exposed to SO2 at work should be checked for the reaction of their bronchial systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02179305
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Effects on the lung function of exposure to carbon black dusts Results of a study carried out on 677 members of staff of the DEGUSSA factory in Kalscheuren/Germany (1996)
    Springer
    International archives of occupational and environmental health 68 (1996), S. 478-483 
    Details
    ISSN: 1432-1246
    Keywords: Carbon black dust exposure ; Lung function testing ; Obstructive airway diseases ; Confounding variables ; Bronchial hyperresponsiveness
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Spirometry, full-bodyplethysmography, and inhalation challenge tests are the most frequently used methods for lung function testing. In all, 677 examinations were performed among exposed employees at the Degussa carbon black plant in Kalscheuren/Germany using the above mentioned methods, in order to detect whether there is a measurable impact of carbon black fine dust on pulmonary function, or a higher prevalence of obstructive air-way diseases among the study candidates, and whether fine dust exposure is related to the prevalence of bronchial hyperresposiveness. Within the smokers' group carbon black dust exposure reveals a (minimal) impact upon the lung function of the study subjects. However, the impact of fine dust exposure within that group is less significant than the influence of smoking on pulmonary function. Nevertheless, smokers are displaying significant more frequently signs of obstructive airway diseases compared with nonsmokers. In the smokers' group we found 7.3% of study subjects with signs of obstructive airway diseases compared with 3.9% in the group of nonsmokers. No significant impact of fine dust exposure on lung function could be detected within former-and nonsmokers. The overall percentage of 5.1 % is not higher than that of subjects with bronchial hyperresponsiveness in other comparable studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00377873
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Effects on the lung function of exposure to carbon black dusts (1996)
    Springer
    International archives of occupational and environmental health 68 (1996), S. 478-483 
    Details
    ISSN: 1432-1246
    Keywords: Key words Carbon black dust exposure ; Lung function ; testing ; Obstructive airway diseases ; Confounding ; variables ; Bronchial hyperresponsiveness
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Spirometry, full-bodyplethysmography, and inhalation challenge tests are the most frequently used methods for lung function testing. In all, 677 examinations were performed among exposed employees at the Degussa carbon black plant in Kalscheuren/Germany using the above mentioned methods, in order to detect whether there is a measurable impact of carbon black fine dust on pulmonary function, or a higher prevalence of obstructive air-way diseases among the study candidates, and whether fine dust exposure is related to the prevalence of bronchial hyperresposiveness. Within the smokers’ group carbon black dust exposure reveals a (minimal) impact upon the lung function of the study subjects. However, the impact of fine dust exposure within that group is less significant than the influence of smoking on pulmonary function. Nevertheless, smokers are displaying significant more frequently signs of obstructive airway diseases compared with nonsmokers. In the smokers’ group we found 7.3% of study subjects with signs of obstructive airway diseases compared with 3.9% in the group of nonsmokers. No significant impact of fine dust exposure on lung function could be detected within former- and nonsmokers. The overall percentage of 5.1% is not higher than that of subjects with bronchial hyperresponsiveness in other comparable studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00377873
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Antigen-induced hypersensitivity of the bronchial system and the influence of disodium cromoglycate (1976)
    Springer
    Lung 153 (1976), S. 95-103 
    Details
    ISSN: 1432-1750
    Keywords: Allergen ; Disodium Cromoglycate ; Airway Resistance ; Acetylcholine ; Histamine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Respiratory hypersensitivity to ascaris extract aerosol and the potentation of airway resistance increase caused by acetylcholine and histamine challenge produced by this allergen exposition were carried out on four dogs. The effect of disodium cromoglycate on these reactions was also studied. All animals presented significant respiratory distress with ascaris extract aerosol, which could be avoided by previous exposure to disodium cromoglycate aerosol. The increased response of the bronchial system to acetylcholine and histamine, observed after allergen aerosol, could not be abolished by disodium cromoglycate aerosol.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02091430
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    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Lungenfunktion bei Spannungsverlust der Lunge (1974)
    Springer
    Lung 151 (1974), S. 73-86 
    Details
    ISSN: 1432-1750
    Keywords: Lung Tension ; Pneumothorax ; Airway Resistance ; Sensitivity of the Bronchial System ; Blockade of the N. Vagus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Entspannung der Lunge im Hundeversuch durch Pneumothorax und im Versuch an jungen und älteren Versuchspersonen durch Thoraxbandage führt zu einer Steigerung der Empfindlichkeit des Bronchialsystems im ACH-Test. Die nach Lungenentspannung unter Acetylcholin-Inhalation verstärkte bronchokonstriktorische Reaktion läßt sich durch direkte Vagusblockade (Hundeversuche) wie durch Atropininhalation (Menschen) verhindern. Es wird angenommen, daß die Lungenentspannung die Bronchialmuskulatur in einen Zustand bringt, welcher den von sensorischen Receptoren ausgehenden, über den Nervus vagus als Reflex laufenden bronchokonstriktorischen Reiz stärker beantworten läßt. Auf verschiedene Formen von „überempfindlichem Bronchialsystem“ wird hingewiesen. Die entsprechenden Meßwerte für Atemminutenvolumen, Atemtiefe und Atemfrequenz wie für die arteriellen Blutgase werden mitgeteilt.
    Notes: Abstract Decrease of lung tension increases the sensitivity of the bronchial system to acetylcholine inhalation. A decrease in lung tension was achieved by pneumothorax in dogs and with a thorax bandage in human subjects. The increase of airway resistance to acetylcholine inhalation following the decrease in lung tension was understood as a change of the effectiveness of the bronchial muscles on airway resistance. Acetylcholine works via sensoric receptors through the N. vagi on the bronchial muscles. Blockade of the N. vagi prevented an increase of sensitivity in the bronchial system. Measurements and results of breathing-volume per minute, breathing frequency, and blood gases are also described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02101145
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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