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  • 1
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0165-4608
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    The @Journal of Steroid Biochemistry and Molecular Biology 49 (1994), S. 39-42 
    ISSN: 0960-0760
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1238
    Keywords: Key words Pentoxifylline ; Septic shock ; Cytokines
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: To evaluate the influence of pentoxifylline (PTX), a phosphodiesterase inhibitor, on cytokines and inflammatory proteins in patients suffering from septic shock. Design: Prospective study comparing a therapy group to a matched control group. Setting: Medical intensive care unit at a university hospital. Patients: Twenty four patients fulfilling the criteria of septic shock were included in this study. Twelve patients received PTX (therapy group) and 12 patients matched for diagnosis, age and gender served as the control group. Interventions: Pentoxifylline at 1 mg/kg per hour over 24 h in the therapy group. Measurements ad results: Cytokine levels [tumor necrosis factor-α (TNF)], soluble TNF receptor [TNF-R], and interleukin-6 [IL-6] and inflammatory proteins [C-reactive protein, α-1-antitrypsin (AAT), fibronectin, and haptoglobin], as well as hemodynamic parameters and the APACHE III score were evaluated before initiation of therapy and 24 h later. After 24 h, TNF levels were significantly lower in the therapy group (p=0.013), while IL-6 levels were significantly higher in the therapy group (p=0.030). Within the 24 h TNF declined significantly in the therapy group (p=0.006), while IL-6 showed a significant increase (p=0.043). AAT and the APACHE III score tended to differ significantly after 24 h between the groups [AAT levels higher in the therapy group (p=0.05), APACHE III score lower (p=0.05)]. In the therapy group, the systemic vascular resistance index was significantly higher after 24 h (p=0.0026) whereas the cardiac index declined (p=0.035). Conclusions: PTX does influence TNF levels in septic shock patients. Nevertheless, inhibiting a single mediator in severe septic shock cannot stop the inflammatory overreaction.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-0584
    Keywords: Acute lymphoblastic leukemia ; Treatment ; Granulocyte colony stimulating factor ; Febrile neutropenia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Our purpose was to evaluate the ability of re-combinant human granulocyte colony-stimulating factor (r-metHuG-CSF) as an adjunct to induction chemo-therapy of acute lymphoblastic leukemia (ALL) to ameliorate chemotherapy-induced neutropenia and thus allow patients to receive full doses of chemotherapy on time. Sixteen consecutive patients with adult ALL (13 de novo, three relapsed) were treated with induction chemo-therapy according to the BMFT protocol and received in addition r-metHuG-CSF (200μg/m2/day). Patients who were treated with the same induction chemotherapy but without G-CSF between 1982 and 1990 served as controls. Fifteen of the 16 patients achieved complete hematological remission. One patient died because of fungal septicemia. Compared with historical controls, G-CSF-treated patients had a significantly faster neutrophil recovery in phase I, resulting in neutrophil counts 〉 1000/μl at day 17 vs day 26 (in median) in controls. In phase II, the onset of severe leukocytopenia (〈 1500/μl) was significantly (p = 0.01) delayed and the degree of leukocytopenia less pronounced (mean nadir 3300/μl) in G-CSF-treated patients compared with controls (1880/μl). The number of days of febrile neutropenia was not different in phase I. In phase II it was lower in study patients (0 vs 1.1 days), but the difference did not reach statistical significance (p = 0.09). Full doses of chemo-therapy could be given on time to 11/13 (85%) G-CSF pa-tients but to only 7/30 (23%) controls. These data indicate that (a) G-CSF can be given along with chemotherapy in induction treatment of ALL without compromising efficacy; (b) the duration of neutropenia in phase I is markedly shortened and the degree of leukocytopenia in phase II ameliorated; (c) these beneficial effects allow patients to receive full doses of chemotherapy on time.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1238
    Keywords: Pentoxifylline ; Septic shock ; Cytokines
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective To evaluate the influence of pentoxifylline (PTX), a phosphodiesterase inhibitor, on cytokines and inflammatory proteins in patients suffering from septic shock. Design Prospective study comparing a therapy group to a matched control group. Setting Medical intensive care unit at a university hospital. Patients Twenty four patients fulfilling the criteria of septic shock were included in this study. Twelve patients received PTX (therapy group) and 12 patients matched for diagnosis, age and gender served as the control group. Interventions Pentoxifylline at 1 mg/kg per hour over 24 h in the therapy group. Measurements ad results Cytokine levels [tumor necrosis factor-α (TNF)], soluble TNF receptor [TNF-R], and interleukin-6 [IL-6] and inflammatory proteins [C-reactive protein, α-1-antitrypsin (AAT), fibronectin, and haptoglobin], as well as hemodynamic parameters and the APACHE III score were evaluated before initiation of therapy and 24 h later. After 24 h, TNF levels were significantly lower in the therapy group (p=0.013), while IL-6 levels were significantly higher in the therapy group (p=0.030). Within the 24 h TNF declined significantly in the therapy group (p=0.006), while IL-6 showed a significant increase (p=0.043). AAT and the APACHE III score tended to differ significantly after 24 h between the groups [AAT levels higher in the therapy group (p=0.05), APACHE III score lower (p=0.05)]. In the therapy group, the systemic vascular resistance index was significantly higher after 24 h (p=0.0026) whereas the cardiac index declined (p=0.035). Conclusions PTX does influence TNF levels in septic shock patients. Nevertheless, inhibiting a single mediator in severe septic shock cannot stop the inflammatory overreaction.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-1238
    Keywords: Key words Prothrombin complex concentrates ; Thrombogenicity ; Intensive care ; Disseminated intravascular coagulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: To evaluate thrombogenicity of prothrombin complex concentrates (PCCs) in critically ill patients.¶Design: Prospective clinical study.¶Setting: Medical intensive care unit at a university hospital.¶Patients: 16 consecutive patients suffering from acquired deficiencies of coagulation factors and with either overt bleeding from any site or a planned invasive procedure.¶Interventions: 2000 factor IX units of PCCs intravenously.¶Measurements and results: Prothrombin time (PT), activated partial prothrombin time, fibrinogen, platelet count, plasma levels of coagulation factors II, V, VII, VIII, IX, X, antithrombin, protein C, thrombin-antithrombin complex (TAT), prothrombin fragment F1+2, and the fibrin degradation product D-dimer were measured prior to and 1, 3, and 24 h after administration of PCCs. PT as well as coagulation factors II, VII, IX, and X, TAT, and F1+2 showed a significant increase after administration of PCCs. All other parameters remained unchanged.¶Conclusions: Administration of PCCs induces thrombin generation. No evidence for induction of disseminated intravascular coagulation in biochemical terms could be found. When rapid correction of acquired coagulation factor disturbances is warranted, the use of PCCs seems reasonable, but the elevated risk of intravascular thrombus formation should be kept in mind.
    Type of Medium: Electronic Resource
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