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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 15 (1979), S. 401-406 
    ISSN: 1432-1041
    Keywords: aminophylline ; bronchodilatation ; lung function ; plasma concentrations ; theophylline
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Twelve patients with partly reversible, chronic airway obstruction, according to a double blind randomized cross-over design, received on three consecutive days oral aminophylline 500 mg, a 500 mg aminophylline suppository and a placebo. The effects on ventilatory function were studied and the plasma concentration of theophylline was measured. After rectal administration, the plasma concentration of theophylline rose to 5 to 10 µg/ml, and after oral ingestion the plasma level in most patients exceeded 10 µg/ml. Administration of the aminophylline suppository resulted in moderate improvement in ventilatory function, and although the improvement was less pronounced than after oral administration, the use of a suppository in the treatment of patients with chronic obstructive lung disease should not be rejected.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 151 (1992), S. 274-278 
    ISSN: 1432-1076
    Keywords: Recurrent bronchitis ; Children ; Humoral immunity ; Immunodeficiency ; IgG subclass
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We studied the incidence of IgG subclass deficiency in children with recurrent bronchitis. Recurrent bronchitis was defined as three or more episodes a year during at least 2 consecutive years, of bronchopulmonary infection, productive cough with or without fever and/or diffuse râles by physical examination in the absence of asthma or atopy. Fifty three children were selected, of whom 30 (57%) were deficient in one of the IgG subclasses. None had an IgG1 deficiency. Nine (17%) were deficient in IgG2, 9 (17%) in IgG3 and 20 (38%) in IgG4. Isolated IgG subclass deficiencies were most frequently seen for IgG4 (14, 26%), less for IgG3 (6, 12%) and even less for IgG2 (4, 7%). Nine (17%) children were IgA deficient and 8 (15%) IgG deficient with a combined IgG subclass deficiency in 8 and 7 of them respectively. By subdivision into different age groups most patients were encountered in the youngest group. The mean content of IgG2, IgG3 and IgG4 in 3- to 4-year-old children with recurrent bronchitis was significantly lower than in the age matched controls. The mean value for IgG4 in the 5- to 6-year-olds was significantly lower than in the control group. This study demonstrates the correlation between recurrent bronchitis in childhood and IgG subclass deficiency. IgG subclass deficiency and recurrent bronchitis are both quite prominent phenomena in young children but rare in older children, suggesting a transient immaturity of the immune system as one of the possible pathogenetic factors. An IgA or an IgG deficiency is highly suggestive for the existence of a combined IgG subclass deficiency.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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