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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 59 (1981), S. 1349-1351 
    ISSN: 1432-1440
    Keywords: Antithrombin III ; Plasma elimination Half-life ; Consumption coagulopathy ; Antithrombin III ; Plasma-Eliminations-Halbwertszeit ; Verbrauchskoagulopathie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Im Verlauf einer schweren Gerinnungsstörung bei einem Säugling mit Sepsis und Schock wurden vor und während der Substitutionsbehandlung mit humanem Antithrombin wiederholt die Antithrombin-III Spiegel gemessen. Diese Daten wurden mit Hilfe einer Biexponentialfunktion mathematisch ausgewertet. Die Plasma-Eliminations-Halbwertszeit des Antithrombins betrug 7,5 bzw. 10,5 Stunden. Verglichen mit bekannten Plasma-Halbwertszeiten von radioaktiv markiertem Antithrombin III bei Erwachsenen war die Elimination um den Faktor 5–10 beschleunigt. Die deutlich erniedrigten Antithrombin III Spiegel in diesem Fall konnten also mindestens teilweise auf einen beschleunigten Umsatz des Antithrombins zurückgeführt werden. Die Bestimmung der Plasma-Eliminations-Halbwertszeit von Antithrombin III ist hilfreich bei der Abgenzung einer verminderten Produktion von einem gesteigerten Umsatz im Verlauf einer Koagulopathie. Die Diagnose einer disseminierten intravasalen Gerinnung kann so etwas sicherer gestellt werden. Die Vorteile der Antithrombin- Substitutionstherapie werden bei diesem Vorgehen genützt, die Nachteile radioaktiv markierter Proteine vermieden.
    Notes: Summary During the course of severe coagulopathy in an infant suffering from septicaemia and shock, antithrombin III levels were determined repeatedly before and during substitution therapy with human antithrombin. By mathematical analysis of these data, using a biexponential function, the plasma elimination half-life of the antithrombin III was estimated to be 7.5–10.5 h. Compared with known plasma half-lives of radioactively labelled antithrombin III in adults the increase was five-to ten-fold. This indicates that the significantly decreased levels of antithrombin III in this case of coagulopathy were at least partly due to an accelerated consumption of antithrombin III. The estimation of the plasma elimination half-life of antithrombin III helps to differentiate decreased production from increased consumption in cases of severe coagulopathy. Thus, a more precise diagnosis of disseminated intravascular coagulation can be made whilst taking advantage of substitution therapy and avoiding the hazards of radioactive tracer proteins.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 61 (1983), S. 165-167 
    ISSN: 1432-1440
    Keywords: Platelet-associated IgG ; Micro-enzyme-linked immunoassay
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary An enzyme linked immunoassay was developed using the microtiter system to measure platelet-associated IgG (PAIgG). One single determination needs 2×106 platelets usually obtained from 3 ml blood anticoagulated with EDTA. Platelets are incubated with peroxidase-conjugated anti-human IgG. Its unbound fraction is adsorbed to an IgG coated microtiter plate, quantitated by a colour reaction and found to be inversely related to the amount of PAIgG. Healthy donors (n=40, aged 1 day to 35 years) possessed 3.6±2.0 (mean±S.D.) fg IgG/platelet. Increased levels of PAIgG were found in patients with acute (n=16) and chronic (n=5) idiopathic thrombocytopenic purpura. Postrecovery platelets had normal values of PAIgG. Widely varying levels of PAIgG were found in patients with freshly diagnosed acute lymphocytic leukemia.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Communications in mathematical physics 87 (1982), S. 65-80 
    ISSN: 1432-0916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract A new class of space-times is introduced which, in a neighbourhood of spatial infinity, allows an expansion in negative powers of a radial coordinate. Einstein's vacuum equations give rise to a hierarchy of linear equations for the coefficients in this expansion. It is demonstrated that this hierarchy can be completely solved provided the initial data satisfy certain constraints.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 141 (1984), S. 225-227 
    ISSN: 1432-1076
    Keywords: Antithrombin III (heparin cofactor activity) ; Plasma elimination half-life ; Newborn infants
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Antithrombin III (AT III) levels are markedly increased in newborn infants following exchange transfusion with adult blood, and subsequently return to pre-exchange values. This transient rise in AT III (heparin cofactor activity), was used to estimate its plasma elimination half-life. AT III activities were measured serially, before and after double-volume exchange transfusions with heparinised blood in newborn infants requiring therapy for severe hyperbilirubinaemia. The plasma elimination half-life of AT III activity was calculated to be 3.9±1.4 h ( $$\overline X = 2.05$$ ±SEM). Compared with published data on the kinetics of AT III infusions in adults, the neonate has a considerably accelerated turnover. This finding has important implications for the design of future therapeutic trials of AT III concentrates and provides further evidence that plasma proteins, including components of the coagulation system, appear to have different kinetics in the neonatal period.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 312 (1984), S. 150-152 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Figure 1 shows the areas from which the samples are derived. The deciduous oaks ( Quercus petraea and Quercus robur) used for both the German and Irish tree-ring studies show several marked differences from the bristlecone pines. They all grew at low altitude (〈200 m in Ireland and 400 m in ...
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    European archives of psychiatry and clinical neuroscience 230 (1981), S. 55-61 
    ISSN: 1433-8491
    Keywords: Cerebral self-stimulation ; Mediobasal thalamus ; Addiction-like behavior ; Postamputation pain ; Hirntiefenstimulation ; Reizsucht ; Mediobasaler Thalamus ; Postamputationsschmerz
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Nach mehrmonatiger ununterbrochener elektrischer Selbstreizung des mediobasalen Thalamus über eine Hirntiefenelektrode bei einem Patienten mit therapieresistenten Phantomschmerzen wird eine Verhaltensänderung beschrieben, die suchtähnlich wirkt. Gleichzeitig kommt es zu einer testpsychologisch erfaßten Störung im HAWIE-, Benton- und Hooper-VOTTest sowie in den Konzentrationstesten. Nach Absetzen der Reizung bilden sich die beschriebenen Störungen nach vorübergehenden Entzugserscheinungen wieder zurück.
    Notes: Summary In a patient with postamputation pain a continuous self-stimulation of the mediothalamic system by a chronic deep brain electrode induced a change in behavior, similar to addiction. At the same time various psychological tests (HAWIE, Benton, Hooper-VOT and concentration tests) were significantly disturbed. After interruption of the deep brain stimulation all induced psychic abnormalities normalized within few days.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Communications in mathematical physics 78 (1981), S. 447-454 
    ISSN: 1432-0916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract The asymptotic behaviour of Einstein-Rosen waves, a class of nonstationary solutions of Einstein's vacuum equations, is investigated. It is established that solutions of this type exist which admit part ofI + and a regularI + in the sense of Penrose.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Inflammation research 15 (1984), S. 34-35 
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Inflammation research 15 (1984), S. 21-27 
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    General relativity and gravitation 15 (1983), S. 905-910 
    ISSN: 1572-9532
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
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