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  • 1
    Electronic Resource
    Electronic Resource
    Monitoring prothrombin fragment 1+2 during initiation of oral anticoagulant therapy after intracoronary stenting (1992)
    Springer
    Annals of hematology 65 (1992), S. 83-87 
    Details
    ISSN: 1432-0584
    Keywords: Intracoronary stenting ; Aggressive anticoagulation ; Subacute occlusion ; Bleeding complication ; Prothrombin fragment 1+2
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Patients with intracoronary stent implantation are treated with aggressive anticoagulant and antiplatelet therapy consisting of high-dose heparin, phenprocoumon, acetylsalicylic acid, dipyridamole, and the infusion of dextran to prevent a subacute thrombotic occlusion of the stented segment. In an effort to optimize this treatment by reducing both imminent bleeding complications and subacute thrombotic occlusion, the concentrations of prothrombin fragment 1+2 (F1+2) were determined after intracoronary Palmaz-Schatz stent implantation in 19 consecutive patients. The F1+2 concentrations after stent implantation and before the initiation of oral anticoagulant therapy (OAT) were 0.35 nm/l and 0.25–0.53 nm/l (median and 25th–75th percentile), versus 0.74 nm/l and 0.52–0.78 nm/l, in healthy subjects and 0.61 nm/l and 0.30–1.02 nm/l in 15 patients with ongoing proximal DVT. Nine days after initiation of OAT, F1+2 concentrations in both patient groups had not yet reached levels observed in patients with OAT in the stable state (0.16 nm/l, 0.12–0.26 nm/l;n=76;P〈0.0001 compared with healthy subjects; INR 2.0–4.5). Despite an INR greater than 2.0, accompanying heparinization was terminated on day 9. In two stented patients a minor bleeding complication arose after the removal of the arterial catheter. Subacute thrombotic occlusions were not observed. Since F1+2 concentrations did not exceed the upper limit of normal range (1.11 nm/l) in any of the 19 patients, the therapeutic regimen was not changed. Monitoring F1+2 may thus be helpful in introducing a more individual treatment if aggressive anticoagulation has to be performed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01698135
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Bestimmung der Aktivität von Creatinkinase MB im Serum unter Verwendung inhibierender Antikörper (1976)
    Springer
    Journal of molecular medicine 54 (1976), S. 357-360 
    Details
    ISSN: 1432-1440
    Keywords: Creatine kinase, isoenzymes ; Creatin kinase, isoenzyme-MB ; Antibodies, inhibiting ; Kinetic enzyme activity determination ; Myocardial infarction ; Creatinkinase-Isoenzyme ; Creatinkinase-Isoenzym MB ; Antikörper, inhibierende ; Enzymaktivitäts-Bestimmung, kinetische ; Myokardinfarkt
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über eine neue Methode zur quantitativen Bestimmung der Creatinkinase MB-Aktivität im Serum berichtet. Die Methode beruht auf einer direkten Messung der Aktivität der Creatin-kinase-Untereinheit B nach Hemmung der Aktivität der Creatinkinase-Untereinheit M durch inhibierende Antikörper und benötigt zur Durchführung 15 min. Bei allen 83 untersuchten Patienten mit klinisch gesichertem Myokardinfarkt konnten zwischen der 6. und 28. Stunde nach Infarkteintritt Creatinkinase MB-Aktivität gemessen werden. Der Creatinkinase MB-Anteil zum Zeitpunkt der höchsten Creatinkinase-Gesamtaktivität betrug 6–17%, im Mittel 8%. Diese Methode ermöglicht daher in der Notfalldiagnostik eine Differentialdiagnose unklarer Creatinkinase-Gesamtaktivitäts-Erhöhungen.
    Notes: Summary A new method for the determination of creatine kinase-MB activity in the serum is presented. The principle of this method is the direct measurement of the activity of creatine kinase M subunits by inhibiting antibodies. The total test procedure takes 15 min. In the sera of all the 83 patients tested, who have clinically proven myocard infarction, creatine kinase-MB activity can be measured between the 6th and 28th hour after infarction. At the time of maximum total creatine kinase activity the percentage of creatine kinase-MB activity is between 6 and 17%, the mean value being 8%. In cases of emergency this method can be used for the differential diagnosis of elevated total creatine kinase activities of unknown origin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01469790
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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