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  • Fundoplication  (1)
  • Hormone sensitivity  (1)
  • 1
    ISSN: 1434-0879
    Schlagwort(e): Androgen receptors ; Hormone sensitivity ; Hydroxyflutamide ; Interferon ; Prostatic cancer
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Androgen recptors are expressed at a low level in the cell line PC-3, which does not respond to either androgens or antiandrogens. If these cells are exposed to natural beta-interferon (β-IFN) a reduction in cell growth and an increase in androgen receptors, evaluated by both biochemical and immunocytochemical techniques, occur. This increase seems not to be related to a selective block of PC-3 in any phase of the cell cycle. Pretreatment with β-IFN determines in PC-3 cells a partial responsiveness to the androgen dihydrotestosterone as reflected by the increase in cell number. Moreover, the antiandrogen hydroxyflutamide shows agonistic properties by increasing the cell number of PC-3 cells pre-exposed to β-IFN. When the antiandrogen is tested in combination with interferon, it produces a reduction in the β-IFN-induced inhibition of cell growth. It is not known whether these unexpected effects are due to the increase in androgen receptors or to other mechanisms.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    ISSN: 1435-2451
    Schlagwort(e): Key words Gastroesophageal reflux ; Neurologically impaired children ; Fundoplication ; Thal ; Nissen ; Gastrostomy ; Pyloroplasty
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Background: It is difficult to give guidelines when approaching gastroesophageal disease in neurologically impaired children. Indication for surgery has been increasing over recent years, but there is no consensus on the surgical technique of choice. Nothing has been written specifically comparing the results of different procedures in these patients, so far. Study design: We retrospectively compare the short- and long-term results of two different types of fundoplication in a series of children operated on for documented gastroesophageal reflux disease at our institution. Results: One group (group A) of 27 patients, operated on between 1977 and 1993, underwent Nissen fundoplication, the other (group B), formed of 20 patients all of whom were operated on between 1993 and 1995, underwent Thal fundoplication. We compared the results in terms of positive outcome (recovery) and negative outcome (minor and major complication), computing the relative odds of group A versus group B in terms of risk of complication, and we compared the mean operative time and the length of hospital stay by means of a student's t-test analysis. Conclusions: Our results show that there is no statistical difference between the two procedures in terms of relative risk of complication and success rate. The duration of surgery and hospital stay were significantly shorter in group B. The Thal procedure can, therefore, be proposed as first choice in the management of these patients.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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