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Delta Neutrophil Index as an Early Marker of Sepsis in Burn Patients
Journal of Korean Burn Society 2019;22(2):38-44
Published online December 1, 2019
© 2019 Journal of Korean Burn Society.

Chong Myung Kim, M.D. and Chul Min Ha, M.D.

Emergency Medicine, Hanil General Hospital, Seoul, Korea
Correspondence to: 하철민, 서울시 도봉구 우이천로 308 ㉾ 01450, 한일병원 응급의학과 의국
Tel: 02-901-3000, Fax: 02-901-3004
Received October 4, 2019; Revised November 13, 2019; Accepted November 21, 2019.
Purpose: The immature granulocyte count has been reported to be a marker of infection and sepsis. The difference in leukocyte subfractions (delta neutrophil index, DNI) in ADVIA 2120 reflects the fraction of circulating immature granulocytes in the blood. This study evaluated the clinical utility of DNI as a severity and prediction marker in critically ill patients with burn sepsis.
Methods: One hundred and sixty nine patients admitted to the burn care unit were studied. DNI (the difference in leukocyte subfractions identified by myeloperoxidase and nuclear lobularity channels) was determined using a specific blood cell analyzer.
Results: Seventy one patients (42 %) were diagnosed with burn sepsis. DNI was significantly higher in patients with burn sepsis than in patients without (P<0.01). Delta neutrophil index was a better indicator of burn sepsis than C-reactive protein, lactate, white blood cell count, HCO3, base excess, lactate, procalcitonin (odds ratio, 6.31; confidence interval 2.36~16.90; P<0.01). And the receiver operating characteristic curves showed that delta neutrophil index, AUC 0.795 (95% confidence interval, 0.721~0.869; P<0.05) was a better predictor of burn sepsis than lactate, procalcitonin, white blood cell, base excess and abbreviated burn severity index.
Conclusion: Delta neutrophil index may be used as a early marker of patients with burn sepsis.
Keywords : Burns, Sepsis, Biomarkers

December 2019, 22 (2)
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