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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 44 (1982), S. 241-247 
    ISSN: 1432-0584
    Keywords: Immunotherapy ; Corynebacterium parvum ; Cytostatic therapy ; Hemostasis ; Fibrinopeptide A
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The effect of an immunotherapy with Corynebacterium parvum on the blood coagulation system was investigated in a randomized trial of 18 patients with metastatic breast cancer. All patients received cytostatic therapy. Additionally, C. parvum was given intravenously on day 15 of the cytostatic cycle (group I) or on day 1 (group II) or not at all (group III). Fibrinopeptide A increased within 2 h after intravenous administration of C. parvum in groups I and II and normalized after 24 h (p〈0.05). Platelet counts decreased continuously in all treatment groups (p〈0.05). Prothrombin time, fibrinogen concentration, factor VIII:C and factor VIIIR:Ag were not affected. The fibrinolytic activity showed a slight but not statistically significant increase after intravenous administration of C. parvum. The data suggest that plasma hypercoagulability is induced or enhanced in man even after small intravenous doses of C. parvum.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 55 (1977), S. 1021-1023 
    ISSN: 1432-1440
    Keywords: Platelet function ; impaired ; Bleeding time ; Platelet aggregation ; Synthetic penicillins ; Hemostasis ; Prevention of thrombosis ; Postoperative Bleeding ; Antithrombin ; Plättchenaggregation ; Plättchenfunktionsstörung ; Blutungszeit ; Synthetische Penicilline ; Hämostasestörung ; Thromboseprophylaxe ; Postoperatives Blutungsrisiko ; Antithrombin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei fünf nierengesunden Patienten und zwei Patienten mit geringfügig eingeschränkter Nierenfunktion (Ccr 60–70 ml/min×1,73 m2) führten therapeutische Dosen von Carbenicillin (3×10 g/24 h) nach 12–24 h zu einer deutlichen Verlängerung der nach Ivy gemessenen Blutungszeit (Medianwert vor Therapie zwischen 4 min 08 s–4 min 18 s; nach 24 h 15–20 min, nach 72 h〉30 min). Die Blutungsverlängerung wurde bei Serumspiegeln zwischen 13 und 180 µg/ml beobachtet. Nach Beendigung der Carbenicillingabe war die Blutungszeitverlängerung selbst nach vollständiger renaler Elimination des Medikaments noch für die Dauer von 4 Tagen nachweisbar. Dosiserhöhung führte zur Verstärkung der Thrombozytenfunktionsstörung. Auf die mögliche klinische Bedeutung dieses Befundes (postoperative Blutungsbereitschaft, Interaktion mit anderen gerinnungshemmenden Substanzen, Blutungsbereitschaft bei Thrombopenie) wird hingewiesen.
    Notes: Summary After therapeutic doses of carbenicillin (3×10 g/24 h) prolongation of bleeding time, measured according to Ivy, was observed (median time prior to therapy 4 min 08 s–4 min 18 s; 24 h after therapy 15–20 min; 72 h after therapy 〉30 min) in 5 patients with normal renal function and 2 patients with slight impairment of renal function (Ccr 60–70 ml×1.73 m2). Prolongation of bleeding time was observed at serum concentrations between 13 and 180 µg/carbenicillin/ml. After carbenicillin was withdrawn, prolongation of bleeding time was demonstrable for 4 days, i.v. even after the drug had been eliminated completely by urinary excretion. Higher doses of carbenicillin caused more severe disturbances of platelet function. The finding of prolonged bleeding time after carbenicillin may have clinical relevance (e.g. interaction with other anticoagulants, p.o. wound bleeding, gastro-intestinal hemorrhage, thrombopenia).
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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