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  • 1
    ISSN: 1432-1238
    Keywords: Key words Procalcitonin ; APACHE-II score ; C-reactive protein ; SIRS ; Sepsis ; Severe sepsis ; septic shock
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: To determine the value of procalcitonin (PCT) in the early diagnosis (and differentiation) of patients with SIRS, sepsis, severe sepsis, and septic shock in comparison to C-reactive protein (CRP), white blood cell and thrombocyte count, and APACHE-II score (AP-II).¶Design: Prospective cohort study including all consecutive patients admitted to the ICU with the suspected diagnosis of infection over a 7-month period.¶Patients and methods: A total of 185 patients were included: 17 patients with SIRS, 61 with sepsis, 68 with severe sepsis, and 39 patients with septic shock. CRP, cell counts, AP-II and PCT were evaluated on the first day after onset of inflammatory symptoms.¶Results: PCT values were highest in patients with septic shock (12.89 ± 4.39 ng/ml; P 〈 0.05 vs patients with severe sepsis). Patients with severe sepsis had significantly higher PCT levels than patients with sepsis or SIRS (6.91 ± 3.87 ng/ml vs 0.53 ± 2.9 ng/ml; P 〈 0.001, and 0.41 ± 3.04 ng/ml; P 〈 0.001, respectively). AP-II scores did not differ significantly between sepsis, severe sepsis and SIRS (19.26 ± 1.62, 16.09 ± 2.06, and 17.42 ± 1.72 points, respectively), but was significantly higher in patients with septic shock (29.27 ± 1.35, P 〈 0.001 vs patients with severe sepsis). Neither CRP, cell counts, nor the degree of fever showed significant differences between sepsis and severe sepsis, whereas white blood cell count and platelet count differed significantly between severe sepsis and septic shock.¶Conclusions: In contrast to AP-II, PCT appears to be a useful early marker to discriminate between sepsis and severe sepsis.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Intensivmedizin und Notfallmedizin 35 (1998), S. 390-400 
    ISSN: 1435-1420
    Keywords: Key words Hepatorenal syndrome ; diagnosis ; differential diagnosis ; pathophysiology ; treatment ; Schlüsselwörter Hepatorenales Syndrom ; Diagnose ; Differentialdiagnose ; Pathophysiologie ; Therapie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Das hepatorenale Syndrom ist definiert als das Auftreten einer Niereninsuffizienz bei schwerer, fortgeschrittener Lebererkrankung, nach Ausschluß anderer Ursachen einer renalen Funktionsstörung. Die Pathogenese des als funktionell anzusehenden Nierenversagens ist komplex und noch nicht in allen Schritten aufgeklärt. Im Zentrum steht eine periphere arterielle Vasodilatation mit Umverteilung des Blutvolumens, wobei dem Stickoxid als möglicherweise primärem Mediator offensichtlich eine besondere Bedeutung zukommt. Als Folge kommt es durch Veränderungen verschiedener pathophysiologischer Mechanismen (Sympathikus, Renin-Angiotensin-System, Vasopressin, Endothelin, Prostanoide, natriuretische Peptide) zu einer renalen Funktionsstörung, welche durch eine kortikale Vasokonstriktion im Bereich der Nieren charakterisiert ist. Eine supportive Therapie und intensive Kreislaufüberwachung steht im Zentrum der Betreuung dieser Patienten. Die Mortalität ist mit über 90% noch immer sehr hoch. Nierenersatzverfahren sollten bei erwarteter Verbesserung der Leberfunktion (akutes Leberversagen, Lebertransplantation) als kontinuierliche Verfahren eingesetzt werden. Die definitiv erfolgreiche Therapie stellt die orthotope Lebertransplantation dar.
    Notes: Summary The hepatorenal syndrome is defined as the development of renal failure in patients with severe liver disease in the absence of any other identifiable cause of renal functional impairment. The pathogenesis of this obviously functional renal failure is complex and not completely understood. Of importance seems to be a peripheral and systemic vasodilatation with redistribution of blood volume. Nitric oxide seems to play a major role as a possible primary mediator. As a consequence changes in several different pathophysiological mechanisms (sympathetic nervous system, renin-angiotensin system, vasopressin, endothelin, prostanoids, natriuretic peptides) lead to a functional renal impairment which is characterized by renal cortical vasoconstriction. Supportive treatment and intensive monitoring of the cardiovascular circulation is the main goal in the care of these patients. The mortality is still high exceeding 90%. Renal extracorporeal support should be initiated using a continuous method when recovery of liver function is expected (acute liver failure, waiting for liver transplantation). The only effective and permanent treatment is orthotopic liver transplantation.
    Type of Medium: Electronic Resource
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