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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für Herz-, Thorax- und Gefässchirurgie 13 (1999), S. 228-233 
    ISSN: 0930-9225
    Keywords: Schlüsselwörter Kumarinnekrose ; Antikoagulation ; Fibrinolyse ; Key words Coumarin necrosis ; anticoagulation ; fibrinolysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Coumarin necrosis is a rare, but life-threatening complication when administering coumarin in oral anticoagulant therapy. Predestined areas are the breasts, hips, gluteal region, thighs or lower legs. Thrombotic tendencies, such as congenital or acquired changes in coagulation, lead to a higher risk of coumarin necrosis. A direct, toxic effect of coumarin on the capillary system may also play a role. Although the incidence is only 0.01–0.1%, lethality lies at 15%, the knowledge of this rare complication is important in order to begin with a proper treatment punctually. The therapy of choice is early fibrinolysis.
    Notes: Zusammenfassung Die Kumarinnekrose stellt eine seltene, aber gefährliche Komplikation der oralen Antikoagulation mit Kumarinderivaten dar. Prädilektionsstellen sind Mammae, Hüften, Gesäß, Oberschenkel und Unterschenkel. Thrombophile Situationen, wie angeborene oder erworbene Veränderungen des Gerinnungssystems bedeuten ein erhöhtes Risiko für das Auftreten einer Kumarinnekrose, eine direkt toxische Wirkung der Kumarinderivate auf die Kapillaren spielt möglicherweise ebenfalls eine Rolle. Da die Inzidenz zwar nur 0,01–0,1% beträgt, die Letalität jedoch bei 15% liegt, ist die Kenntnis dieses seltenen Krankheitsbildes wichtig, um eine rechtzeitige Behandlung einleiten zu können. Die Therapie der Wahl ist eine frühzeitige Fibrinolyse.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-7330
    Keywords: preimplantation diagnosis ; chromosome 13, 18, and 21 aneuploidies ; FISH ; first and second polar bodies ; IVF
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Purpose: We previously demonstrated that aneuploidy-free oocytes may be preselected by testing the first and second polar bodies removed from oocytes following their maturation and fertilization. The present paper describes the results of the application of the method in 659 in vitro fertilization cycles from patients of advanced maternal age. Methods: Using micromanipulation techniques, 3943 oocytes were tested by polar body sampling and fluorescent in situ hybridization analysis using specific probes for chromosomes 13, 18, and 21. Results: Fluorescent in situ hybridization results were available for 3217 (81.6%) of 3943 oocytes studied, of which 1388 (43.1%) had aneuploidies; 35.7% of the aneuploidies were of first meiotic division origin, and 26.1% of second meiotic division origin. Most errors in the first meiotic division were represented by chromatid malsegregation. The transfer of embryos deriving from 1558 of 1829 aneuploidy-free oocytes in 614 treatment cycles resulted in 131 clinical pregnancies and 88 healthy children born after confirmation of the polar body diagnosis. Conclusions: Polar body testing of oocytes provides an accurate and reliable approach for prevention of age-related aneuploidies in in vitro fertilization patients of advanced maternal age.
    Type of Medium: Electronic Resource
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