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J Stroke Cerebrovasc Dis. 2017 Oct;26(10):2248-2255. doi: 10.1016/j.jstrokecerebrovasdis.2017.05.007. Epub 2017 Jul 19.

The Effect of Eosinopenia on Mortality in Patients with Intracerebral Hemorrhage.

Author information

1
Neurology Department, Cumhuriyet University, Sivas, Turkey. Electronic address: asliarslanturk@gmail.com.
2
Neurology Department, Cumhuriyet University, Sivas, Turkey.
3
Cardiology Department, Sivas Numune State Hospital, Sivas, Turkey.

Abstract

INTRODUCTION:

Inflammation may determine the prognosis of intracerebral hemorrhage (ICH), which has high mortality and morbidity rates. Recent studies have increasingly demonstrated eosinopenia as a prognostic factor, particularly in bacteremia, chronic obstructive pulmonary disease, and myocardial and cerebral infarction. Nonetheless, its significance regarding the determination of prognosis in patients with ICH has not yet been clarified.

MATERIALS AND METHODS:

Our study included 296 patients who presented to our clinic within 24 hours of the onset of symptoms and who were diagnosed with ICH between January 2008 and June 2016, along with 180 age- and sex-matched controls. During their hospitalization, 120 of these 296 patients died. Patients and controls were compared in terms of neutrophil count/percentage and eosinophil count/percentage; these were also compared between nonsurviving and surviving patients. The significance of eosinopenia in predicting mortality was also evaluated.

RESULTS:

Patients had a significantly higher neutrophil count/percentage and a significantly lower eosinophil count/percentage than controls; these results were similar between nonsurviving and surviving patients (P < .001). Consequently, the patient group was divided into 4 subgroups depending on the presence of eosinopenia and/or neutrophilia. The mortality rate was highest (62%) in the group that had both eosinopenia and neutrophilia. Univariate and multivariate logistic regression analyses indicated that neutrophilia and eosinopenia were independent predictors of mortality in ICH (P = .002; P = .004) DISCUSSION: These results indicate that eosinopenia can occur in patients with ICH and that although the mechanism is unclear, eosinopenia is closely associated with mortality in these patients, particularly when accompanied by neutrophilia.

KEYWORDS:

Intracerebral hemorrhage; eosinopenia; mortality; neutrophilia

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