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01.08.2009 | Original

Predictors of bacteraemia and mortality in patients with acute liver failure

verfasst von: Constantine J. Karvellas, Fred Pink, Mark McPhail, Timothy Cross, Georg Auzinger, William Bernal, Elizabeth Sizer, Demetrios J. Kutsogiannis, Ian Eltringham, Julia A. Wendon

Erschienen in: Intensive Care Medicine | Ausgabe 8/2009

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Abstract

Purpose

To determine what physiological and biochemical factors predict development of bacteraemia and mortality in patients with acute liver failure (ALF).

Methods

Retrospective analysis of 206 ALF patients admitted to a specialist liver intensive therapy unit (LITU) from January 2003 to July 2005 (data collected prospectively).

Results

A total of 206 patients were defined with ALF: 72 (35%) suffered bacteraemia (BAClf) and 134 (65%) did not (NBAClf). Gram positive organisms were observed in 44% of isolates, gram negatives in 52% and fungaemia in 4%. Median time to first bacteraemia was 10 (7–16) days. On admission, BAClf patients had higher SIRS scores and degrees of hepatic encephalopathy (HE). During their LITU course, BAClf patients had significantly increased requirements for renal replacement therapy (RRT), mechanical ventilation, and longer median LITU stay. Multivariate analysis (logistical regression) demonstrated significant predictors of bacteraemia on admission were HE grade >2 (Odds Ratio 1.6) and SIRS score >1 (OR 2.7). In all patients, independent predictors of mortality (logistical) were age (OR 1.41), maximum HE grade pre-intubation (1.76), Lactate (1.14) and Acute Physiology and Chronic Health Evaluation II score (APACHEII) (1.09), but not bacteraemia. Transplantation was protective (OR 0.20).

Conclusion

In this study, severity of hepatic encephalopathy and SIRS score >1 were predictive of bacteraemia. APACHEII was independently predictive of mortality in all ALF patients but not bacteraemia.

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Titel: Predictors of bacteraemia and mortality in patients with acute liver failure
verfasst von: Constantine J. Karvellas
Fred Pink
Mark McPhail
Timothy Cross
Georg Auzinger
William Bernal
Elizabeth Sizer
Demetrios J. Kutsogiannis
Ian Eltringham
Julia A. Wendon
Publikationsdatum: 01.08.2009
Verlag: Springer-Verlag
Erschienen in: Intensive Care Medicine / Ausgabe 8/2009
Print ISSN: 0342-4642
Elektronische ISSN: 1432-1238
DOI: https://doi.org/10.1007/s00134-009-1472-x

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Predictors of bacteraemia and mortality in patients with acute liver failure