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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 21 (1981), S. 9-15 
    ISSN: 1432-1041
    Keywords: dipyridamole ; prostacyclin ; phosphodiesterase inhibitors ; theophylline ; antiaggregating agents ; ischaemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The effects of some phosphodiesterase (PDE) inhibitors (dipyridamole, theophylline, papaverine and SH-869) on prostacyclin (PGI2) production have been studied in vitro and in vivo. PGI2 was bioassayed by Vane's superfusion technique. In rabbit aortic rings, only dipyridamole in concentrations from 1 to 12 µM was able to stimulate PGI2 biosynthesis in a dose-dependent manner. This effect was also detected with so-called “exhausted” rabbit aortic rings. The other PDE inhibitors used, both in µM and mM concentration, did not affect PGI2 biosynthesis. Dipyridamole was found to increase PGI2 production in healthy volunteers, when given both by infusion (8 µg/kg/min × 2 h) and by oral administration (375 mg/day for seven days). Circulating PGI2 and PGI2 production induced by a 3-min period of ischaemia were increased by an average of 137% (p〈0.001) and 30.8% (p〈0.001) respectively. Saline and theophylline (as aminophylline) infusions used as controls did not affect PGI2 production.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Alimentary pharmacology & therapeutics 22 (2005), S. 0 
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background:  The association between coxib or non-steroidal anti-inflammatory drug use with gastrointestinal symptoms and drug prescriptions in ambulatory elderly patients is not well defined.Aim:  To evaluate the association between non-steroidal anti-inflammatory drug NSAID and coxib use with gastrointestinal symptoms and therapies in elderly subjects managed by their general practitioner.Materials:  The study was carried out by 133 general practitioners in Italy. By using a structured interview, sex, age, physical function, current medications, new drug prescriptions and upper gastrointestinal symptoms were registered from all elderly subjects who were referred to their general practitioners during a 2-week period. The numbers of hospitalizations, gastrointestinal bleeding events and gastrointestinal diagnostic procedures occurring during the last 6-month period were recorded.Results:  Included in this study were 5515 elderly subjects. The overall prevalence of drug use was 92%. Musculo-skeletal drugs were taken by 15% of patients; NSAIDs were taken by 6%, and coxibs by 3% of patients. A significantly higher prevalence of upper gastrointestinal symptoms was observed in elderly NSAID users compared with coxib users and non-users of musculo-skeletal drugs (44% vs. 33% vs. 32% respectively, P = 0.001). The prescriptions of drugs for acid-related disorders were significantly higher in patients who were concomitantly taking NSAID rather than coxibs (13% vs. 6%, P 〈 0.01). The prescriptions of drugs for acid-related disorders were significantly associated with the presence of upper gastrointestinal symptoms (OR = 1.7, 95% CI = 1.6–1.9), previous gastrointestinal disorders (OR = 1.1, 95% CI = 1.0–1.3) and NSAID use (OR = 1.5, 95% CI = 1.0–2.2), but no coxib use.Conclusion:  In this elderly population, upper gastrointestinal symptoms and prescriptions for gastroenterological drugs were higher in non-steroidal anti-inflammatory drug users than coxib users and non-users of musculo-skeletal drugs.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1437-1596
    Keywords: PM loci (LDLR, GYPA, HBGG, D7S8, GC) ; PCR ; DNA polymorphism ; Population genetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Notes: Abstract Allele and genotype frequencies for the five loci LDLR, GYPA, HBGG, D7S8 and GC were determined for 374 unrelated Italians using a multiplex PCR-amplification and typing commercial kit. The distribution of the genotype frequencies showed no deviations from Hardy-Weinberg expectations. The combined power of discrimination and chance of exclusion for all five loci were 0.999 and 0.702, respectively. A test for homogeneity was performed and no significant differences were observed among the Caucasian population samples.
    Type of Medium: Electronic Resource
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