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Open access

Dimitrios Velissaris, Nikolaos-Dimitrios Pantzaris, Anastasia Skroumpelou, Panagiotis Polychronopoulos, Vasilios Karamouzos, Charalampos Pierrakos, Charalampos Gogos and Menelaos Karanikolas

Abstract

Objective

To evaluate the electroencephalographic (EEG) findings and correlate EEG findings with inflammatory biomarkers and the sepsis prognostic scores SOFA, SAPS II and APACHE II in patients who present in the Emergency Department with sepsis without clinical central nervous system involvement.

Methods

The study included seventeen patients (< 70 years old) with sepsis without central nervous system involvement presenting in the Emergency Department of the University Hospital of Patras, Greece. All patients underwent neurologic examination and EEG analysis on admission to the hospital and were treated according to the international guideline protocols for sepsis.

Results

Six of seventeen sepsis patients had mild or moderate EEG abnormalities. We did not find any significant correlation between EEG abnormalities and inflammatory biomarkers (CRP, WBC) or commonly used prognostic sepsis scores.

Conclusions

EEG could serve as a useful tool to identify brain alterations at an early stage in sepsis, before clinical sings of encephalopathy can be detected. However, the presence of EEG abnormalities does not correlate with sepsis severity as measured by the commonly used prognostic sepsis scores SOFA, APACHE II or SAPS II. Because this was a small single center observational study, large multi-center studies are warranted to confirm these findings.

Open access

David De Bels, Charalampos Pierrakos, Herbert D. Spapen and Patrick M. Honore

Open access

Nikolaos-Dimitrios Pantzaris, Christina Platanaki, Charalampos Pierrako, Vasilios Karamouzos and Dimitrios Velissaris

Abstract

Background and Objectives

Neutrophil to lymphocyte ratio (NLR) as calculated from the white cell differential blood count is considered a promising marker for the prognosis of patients with various diseases, including sepsis. This study was designed to assess the possible use of neutrophil-to-lymphocyte ratio in the prediction of survival outcomes in patients with community acquired pneumonia (CAP). A secondary objective was to compare the prognostic accuracy of NLR with the commonly used severity scores of sepsis SOFA, APACHE II and SAPS II.

Methods

This was a retrospective study based on data extracted from 26 patients suffering from acute CAP. The study period was from February 01, 2017 until April 30, 2017. All patients with CAP were presented in the Emergency Department (ED) of the University Hospital of Patras, Greece and were treated after admission in the Internal Medicine Department. The neutrophil-to-lymphocyte ratio (NLR) was calculated from the white blood cell count (WBC) values measured from a peripheral venous blood specimen drawn on admission. It was then compared with C-reactive protein (CRP) serum levels and the sepsis calculated prognostic scores APACHE II, SAPS II and SOFA. The impact of the above parameters was evaluated in relation to the final outcome.

Results

The mean period of hospitalization for the enrolled patients was 9.3 days (SD 5.8 days). Twenty-four patients (92.3%) got finally discharged from the hospital and two (7.7%) died during the hospitalization. Mean NLR and serum CRP values on admission were 10.2 ± 8.8 (min 1.4; max 34.7) and 11.4 ± 11 mg/dL (min 0.4; max 42.6) respectively. Based on the correlation analysis, serum CRP was more strongly positively correlated with NLR (r = 0.543, P = 0.004), than total WBC (r = 0.454, P = 0.02). None of the biomarkers of inflammation measured or computed in the study (CRP, WBC, NLR) showed any correlation with either the days of hospitalization or the sepsis prognostic scores.

Conclusions

NLR shows a statistical significant correlation to the commonly used inflammatory markers CRP and total WBC in the small sample size of patients with CAP that we assessed. Although NLR is a simple, cheap and rapidly available measurement in the ED, future, larger prospective studies are warranted to confirm its possible value as a prognostic index in sepsis patients with CAP.