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Early drotrecogin alpha (activated) administration in severe sepsis is associated with lower mortality: a retrospective analysis of the Canadian ENHANCE cohort.

Abstract：

INTRODUCTION:Early multimodal treatment of severe sepsis, including the use of drotrecogin alfa (activated) (DrotAA) when indicated, is considered essential for optimum outcome. However, predicting which infected patients will progress to severe sepsis and the need for aggressive intervention continues to be problematic. We therefore wished to explore whether there were any potential early markers that might predict improved survival in response to early use of DrotAA in patients with severe sepsis. In particular, in the dynamic setting of severe sepsis, we postulated that changes in markers reflecting evolving rather than baseline clinical status might guide therapy. METHODS:Data on a cohort of 305 Canadian patients from the open label ENHANCE trial of DrotAA in severe sepsis was retrospectively analyzed to search for potential clinical predictors of outcome in severe sepsis. Patients received a 96-hour infusion of DrotAA and were followed for 28 days. The association between time to treatment and mortality within subgroups defined by dynamic changes in various potential markers was explored. RESULTS:Mortality at 28 days was 22.6% and the variables of age, time to treatment, and early changes in serum creatinine and platelet count were identified by logistic regression as independent predictors of mortality. Across all age ranges, 28-day mortality was lower when DrotAA was administered within 24 hours of first sepsis-induced organ dysfunction compared to administration after 24 hours for both subgroups of patients defined by changes in platelet count and creatinine within the first day. CONCLUSIONS:These findings suggest that when indicated, treatment with DrotAA should be initiated as soon as possible, regardless of age. TRIAL REGISTRATION:Previous trial registration number: NCT00568893.

journal_name

Crit Care

journal_title

Critical care (London, England)

authors

Hodder RV,Hall R,Russell JA,Fisher HN,Lee B

doi

10.1186/cc7893

subject

Has Abstract

pub_date

2009-01-01 00:00:00

pages

R78

issue

eissn

1364-8535

issn

1466-609X

pii

cc7893

journal_volume

pub_type

杂志文章,多中心研究

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Early drotrecogin alpha (activated) administration in severe sepsis is associated with lower mortality: a retrospective analysis of the Canadian ENHANCE cohort.