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Nucleated red blood cells are associated with a higher mortality rate in patients with surgical sepsis.

Abstract：

BACKGROUND:Nucleated red blood cells (NRBCs) are present in certain non-oncologic disease states and are associated with a poor prognosis. The purpose of this study was to evaluate NRBCs as an early prognostic marker for death in patients with surgical sepsis. METHODS:Retrospective evaluation of data collected prospectively from 275 patients from our Investigational Review Board-approved surgical sepsis database over a 27-mo period. The NRBC values were correlated with patient outcomes. The χ(2) test was used for testing of categorical variables and the Mann-Whitney U was used for testing of continuous variables. The level of significance was set at 0.05. RESULTS:At sepsis recognition, 48 patients (17.5%) were NRBC-positive. The mortality rate was greater in patients who were NRBC positive while in the intensive care unit (ICU); (27% vs. 12%; p=0.007) and during the hospital stay (35.4% vs. 15%; p=0.001). When NRBC-values at all time points are considered, 116 patients (42.2%) were NRBC-positive. The mortality rate was greater in patients who were NRBC-positive in both the ICU (23.3% vs. 8.2%; p<0.001) and during the hospital stay (31% vs. 9.4%; p<0.001). In-hospital and ICU mortality rates increased with increasing NRBC-concentration. For the 153 patients with severe sepsis, NRBC positivity at any time was associated with a higher ICU mortality rate (20% vs. 3.2%; p=0.001). Significant mortality differences did not occur between NRBC-positive and NRBC-negative patients with sepsis (n=48) or septic shock (n=74). CONCLUSIONS:Surgical sepsis patients with detectable NRBCs are at higher risk of ICU and in-hospital death than those with non-detectable NRBCs. The mortality difference is underscored in surgical patients with severe sepsis. This study suggests NRBCs may be a biomarker of outcomes in patients with surgical sepsis.

journal_name

Surg Infect (Larchmt)

journal_title

Surgical infections

authors

Desai S,Jones SL,Turner KL,Hall J,Moore LJ

doi

10.1089/sur.2011.089

subject

Has Abstract

pub_date

2012-12-01 00:00:00

pages

360-5

issue

eissn

1096-2964

issn

1557-8674

journal_volume

pub_type

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Nucleated red blood cells are associated with a higher mortality rate in patients with surgical sepsis.