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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 58 (1980), S. 533-535 
    ISSN: 1432-1440
    Keywords: Fibrin ; Faktor XIII ; Niereninsuffizienz ; Lebercirrhose ; Fibrin ; Factor XIII ; Renal failure ; Liver cirrhosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary After reduction and splitting of disulfide linkages the fibrinmonomer and fibrin of 45 patients with histologically confirmed liver cirrhosis and 38 patients with chronic renal failure (serum creatinine 〉5 mg%) were analysed by SDS-PAA electrophoresis. Furthermore the activity of factor XIII was measured immunologically. The results indicated no polymerization of α-chains of fibrin while γ-dimers were formed regularly in 71% of patients with liver cirrhosis and in 45% of patients with chronic renal failure. In liver cirrhosis the lack of α-polymerization correlated to the severity of the disease and to the decrease of factor XIII activity (no α-polymers formed when below 80% of normal). In renal failure this correlation was not demonstrable since in all cases the activity of factor XIII was within the normal range. After the addition of C14-labelled urea to normal plasma during clotting an incorporation of this tracer could be demonstrated by scintiscanner diamins like urea, forming in the course of renal failure, probably serve as the “wrong substrate” for the transamidase factor XIII.
    Notes: Zusammenfassung Von 45 Patienten mit histologisch gesicherter Lebercirrhose unterschiedlichen Schweregrades und 38 Patienten mit chronischer Niereninsuffizienz (Serum Kreatinin 〉5 mg-%) wurden nach Reduktion und Spaltung der Disulfidbrücken die Ketten des Fibrinmonomers und des Fibrins in der SDS-PAA Elektrophorese aufgetrennt. Außerdem wurde die Aktivität des Faktor XIII immunologisch bestimmt. In 71% der Patienten mit Lebercirrhose und 45% der Patienten mit chronischer Niereninsuffizienz fand sich keine Polymerisierung der α-Ketten des Fibrins; γ-Dimere wurden regelrecht gebildet. Bei Patienten mit Lebercirrhose korrelierte das Auftreten der defekten Fibrinstruktur mit dem Schweregrad der Erkrankung und mit der verminderten Aktivität des Faktor XIII (fehlende α-Polymerisierung bei Werten unter 80% der Norm). Bei der chronischen Niereninsuffizienz war diese Beziehung nicht nachweisbar — die Aktivität des Faktor XIII lag durchweg im Normbereich. Es wurde nachgewiesen, daß C14-markierter Harnstoff während der Gerinnung in das Fibrin eingebaut wird. Man kann daher annehmen, daß Diamine, die wie Harnstoff im Rahmen der Urämie auftreten, als „falsches Substrat“ für den Faktor XIII, einer Transamidase, dienen.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 46 (1983), S. 175-178 
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 50 (1985), S. 35-43 
    ISSN: 1432-0584
    Keywords: Plasma fibronectin ; Kidney transplantation ; Infection ; Rejection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The fibronectin plasma levels of 17 patients undergoing cadaver kidney transplantation were determined serially in the postoperative course using laser nephelometry. While 9 patients retained their grafts (group A), the grafts of 8 patients had to be removed (group B), mainly due to rejection, 3 patients had severe infections. In both groups a significant drop of the plasma fibronectin occurred after surgery. There were no significant differences between the two groups in the mean fibronectin levels. After the initial drop the group A patients exhibited rising values leading to a stable level. Progressively declining fibronectin plasma concentrations were found in 2 of 3 severely infected patients. Fluctuating values were found in 3 group B patients without a clear correlation to the rejection crises or the kidney function. The data suggest that the fibronectin plasma level does not seem to be a prognostic marker for graft rejection. But it might be useful in the important and often difficult differentiation between rejection and infection.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1569-8041
    Keywords: allogeneic bone marrow transplantation ; indolent lymphoid neoplasms
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background:Allogeneic bone marrow transplantation (BMT) has beenused in patients with low-grade lymphoma (LGL) and chronic lymphocyticleukemia (CLL) with the goal of achieving long-term disease-free survival. Patients and methods:Twenty-nine patients with these diagnoses(LGL = 19, CLL = 10) received allogeneic BMT between September 1995 andJanuary 1999. Median age was 42 (range 20–52) years. Twenty-three oftwenty-nine patients (79%) were Ann Arbor or Rai stage IV at the timeof transplant; twenty-four (83%) had never achieved complete remission(CR). Donor source was HLA-matched sibling (20), unrelated (8) and syngeneic(1). Results:Seventeen patients are currently alive, a median of 29months (range 1–85) post-BMT with a median KPS of 90%.Twenty-three of twenty-seven evaluable patients (85%) achieved CRpost-BMT. Six patients had refractory/recurrent disease. Death occurredrelated to transplant complications in eight patients and underlying diseasein four. Overall and event-free survival for the whole group is 51% and44%, respectively. Conclusions:Allogeneic BMT for young patients with advanced stageLGL or CLL is a feasible strategy that can result in achievement of long-termdisease-free survival.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 62 (1984), S. 975-978 
    ISSN: 1432-1440
    Keywords: Protein C ; Thrombosis ; Coumarin-induced skin necrosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Protein C is a vitamin K-dependent protein which is produced in the liver. Activated protein C has an anticoagulant effect by inactivating the clotting factors V and VIII. We report on a young female patient who suffered from recurrent thrombosis of the deep calf and pelvic veins with pulmonary embolism. Superficial thrombophlebitis also occurred repeatedly. In the plasma of this patient we found reduced levels of protein C antigen (0.62 U/ml) and activity (0.42 U/ml). Investigation of other family members revealed a protein C deficiency in her father, sister, and son. During the anticoagulant treatment with Marcumar the patient developed a coumarin-induced skin necrosis, to which complication a protein C deficiency is evidently predisposed. Thsi complication could only be prevented if heparin was given simultaneously during the adjustment period.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 65 (1987), S. 845-851 
    ISSN: 1432-1440
    Keywords: Immunoglobulins ; Bone marrow transplantation ; Cytomegalovirus ; Immunodeficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Allogeneic bone marrow transplantation can cure a substantial proportion of patients with hematologic malignancies. However, graft versus host disease (GvHD) and a sometimes long lasting immunodeficiency are the major obstacles to an improved survival rate. Passive immunization is a prophylactic and therapeutic approach increasingly considered in these patients and the question as to whether or not this expensive treatment is efficacious needs thorough evaluation. Several studies have been completed using either polyvalent immunoglobulins or CMV-hyperimmunoglobulin to prevent fatal CMV pneumonia posttransplant. Most studies did show a decreased mortality from this complication when immunoglobulins were given at higher doses in weekly intervals. Studies are also underway to evaluate, if the incidence of GvHD can be decreased by immunoglobulins, since it is known that infections can trigger the clinical manifestation of this complication. It is too early to say if bacterial and fungal infections after engraftment can be diminished specifically in patients at risk for infectious complication such as those with chronic GvHD. A hyperimmunoglobulin against varizella zoster is recommended in case a transplant patient has been exposed to varizella. It can also be given as an additive measure in severe disseminated varicella infections. Hyperimmunoglobulins against pseudomonas aeruginosa are currently being studied in humans and it is too early to decide whether or not they have a positive impact on patient survival.
    Type of Medium: Electronic Resource
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