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PLoS One. 2014 Aug 13;9(8):e103761. doi: 10.1371/journal.pone.0103761. eCollection 2014.

The impact of various platelet indices as prognostic markers of septic shock.

Author information

1
Emergency Department, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P.R.China.
2
Emergency Department, Peking Union Medical College Hospital, Beijing, P.R.China.
3
St Mary's Hospital, London, United Kingdom.
4
Clinical Specimen Bank, Chinese PLA General Hospital, Beijing, China.
5
Integrated Intensive Care unit, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P.R.China.
6
Department of Medical Biology, Sacré-Coeur Hospital, University of Montreal, Montreal, Québec, Canada.
7
Department of Specialized Medicine, Verdun Hospital, University of Montreal, Montreal, Québec, Canada.

Abstract

INTRODUCTION:

Platelet indices, including mean platelet volume (MPV), are readily available blood tests, although their prognostic value in patients with septic shock has not been fully explored. Current evidence has found contradictory results. This study aims to explore the behavior of platelet indices in septic shock and their clinical prognostic value.

METHODS:

Charts of septic shock patients from January to December 2012 in a tertiary medical center in Northern China were reviewed retrospectively. Platelet indices were recorded during the first five consecutive days after admission, as well as the penultimate and the last day of hospital stay. The data were compared between surviving and non-surviving patients.

RESULTS:

A total of 124 septic shock patients were enrolled. Thirty-six of the patients survived and 88 of them expired. MPV in the non-survivor group was higher than that of the survivor group, especially on the last day. PDW and PLCR showed increased trends, while PCT and PLT decreased in the non-survivor group. Among the PLT indices, MPV had the highest area under the receiver operating characteristic curve (0.81) with a precision rate of 75.6% at a cut-off of 10.5.Compared with other more usual septic shock prognostic markers, MPV is second only to lactate for the highest area under the curve.

CONCLUSION:

A statistically significant difference was seen between survivors and non-survivors for platelet indices which make them easily available and useful prognostic markers for patients in septic shock.

PMID:
25118886
PMCID:
PMC4131909
DOI:
10.1371/journal.pone.0103761
[Indexed for MEDLINE]
Free PMC Article

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