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  • 1975-1979  (3)
  • Acute leukemia  (1)
  • Duck  (1)
  • Leukämie, myeloproliferative Erkrankungen, Knochenmarkinsuffizienz  (1)
  • 1
    ISSN: 1432-0584
    Keywords: Akute Leukämie ; Remissionsinduktion ; Remissionserhaltung ; Acute leukemia ; Remission induction ; Remission maintenance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Thirty adult patients suffering from acute nonlymphocytic leukemia (ANLL) were treated according to a modified COAP regimen. Vincristine, cyclophosphamide, and prednisone were given by push injection, while cytosine arabinoside was infused over periods of 8 h. Nineteen patients (63%) achieved complete remission. Remission maintenance therapy consisted of 6-mercaptopurine daily and methotrexate twice weekly. Later in the study, COAP consolidation and reinduction was added, which improved the median duration of complete remission from 7 to 24 months. Comparison of the results with the literature shows that the modified COAP regimen is one of the most effective treatment schedules for adult ANLL.
    Notes: Zusammenfassung Dreißig Erwachsene mit akuter, nicht lymphozytärer Leukämie (ANLL) wurden mit einem modifizierten COAP-Schema behandelt. Vincristin, Cyclophosphamid und Prednison wurden i. v. injiziert, während der Antimetabolit Cytosin-Arabinosid in Form 8stündiger Dauerinfusionen appliziert wurde. Neunzehn Patienten (63%) erreichten eine komplette Remission. Die Remissionserhaltung bestand in oraler Gabe von 6-Mercaptopurin täglich und Amethopterin zweimal wöchentlich. Im Laufe der Studie wurde die Erhaltungstherapie durch COAP-Konsolidierung und COAP-Reinduktionsbehandlungen ergänzt. Dadurch konnte die mediane Remissionsdauer von 7 auf 24 Monate verbessert werden. Ein Vergleich dieser Ergebnisse mit der Literatur zeigt, daß das modifizierte COAP-Schema zu den wirkungsvollsten Behandlungsverfahren bei akuter Leukämie im Erwachsenenalter gehört.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Diabetologia 14 (1978), S. 185-190 
    ISSN: 1432-0428
    Keywords: Duck ; adipose tissue ; FFA release ; glucagon ; insulin ; glucose uptake
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The present study was undertaken to determine how free fatty acid (FFA) release by adipose tissue can occur in the absence of pancreatic glucagon, the most potent lipolytic hormone in the duck. Two possible explanations have successively been investigated. Replacement therapy experiments showed that glucose uptake was implicated in the phenomenon; indeed, when pre-operative insulin and glucose levels were restored after total pancreatectomy, plasma FFA progressively fell to a level significantly lower than the pre-operative value. The same effect was observed when the ducks were kept in a continuous state of hyperglycaemia, whereas “normal” levels of insulin or glucose alone were shown to be ineffective. On the other hand a compensatory mechanism for the lack of glucagon, by other lipolytic agents [with the intestine or the anterior pituitary as possible sources] has been excluded by associating the removal of these two organs with pancreatectomy. These experiments suggest that the lack of pancreatic glucagon induced by total pancreatectomy is essentially masked by a failure in glucose uptake due to the operation.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1440
    Keywords: Cytogenetische Untersuchungen ; Suspensions-Kulturen, Agar-Kulturen ; Koloniebildende Zellen, Kolonie-stimulierende Aktivität ; Leukämie, myeloproliferative Erkrankungen, Knochenmarkinsuffizienz ; Cytogenetic studies ; Small volume liquid culture, soft agar culture ; Colony-forming cells, colony-stimulating activity ; Leukaemia, myeloproliferative disorders, bone marrow insufficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary In patients with haemopoietic failure, the low incidence of cells in mitosis often prevents successful chromosome preparations. By performing liquid cultures of myeloid cells a high incidence of mitoses could be obtained even in those cases failing to provide mitoses when the direct preparation technique was used. The cytogenetic studies demonstrated that the mitoses achieved by culture techniques were aneuploid and, thus, there is evidence that they are of leukaemic origin. The combination of short-term liquid culture and chromosome analysis appears to be a diagnostic approach in selected cases of hemopoietic insufficiency.
    Notes: Zusammenfassung Cytogenetische Untersuchungen sind bei Patienten mit Knochenmarkinsuffizienz häufig nicht möglich, da nur wenige oder keine Zellen in Mitose vorhanden sind. Mit Hilfe von Suspensions-Kulturen hämopoetischer Zellen konnte jedoch selbst in denjenigen Fällen eine große Zahl von Mitosen gewonnen werden, bei denen mit der direkten Präparationstechnik keine Mitosen gefunden werden. Durch cytogenetische Untersuchungen konnte nachgewiesen werden, daß die gewonnenen Mitosen aneuploid und somit leukämischen Ursprungs sind. Die Kombination von Kurzzeit-Suspensions-Kulturen und Chromosomenanalyse ist in bestimmten Fällen mit Knochenmarkinsuffzienz von diagnostischer Bedeutung.
    Type of Medium: Electronic Resource
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