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KMID : 1100620180050020076
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Clinical and Experimental Emergency Medicine
2018 Volume.5 No. 2 p.76 ~ p.83
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Usefulness of delta neutrophil index for early prediction of overt disseminated intravascular coagulopathy in patients with venomous snakebite
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Cha Yong-Sung
Lee Kang-Hyun
Lee Seok-Jeong
Kwon Ho-Chul
Lee Jong-Wook
Kim Hyung-Il
Kim Oh-Hyun
Cha Kyoung-Chul
Kim Hyun
Hwang Sung-Oh
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Abstract
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Objective: Clinically, consumptive coagulopathy, such as disseminated intravascular coagulopathy (DIC), is the most important among the common venomous snakebite complications owing to the serious hemorrhage risk associated with this condition. We evaluated the predictive value of the delta neutrophil index (DNI)?a new indicator for immature granulocytes?for DIC diagnosis.
Methods: This retrospective observational study consecutively assessed adult patients with venomous snakebites for over 51 months. Patients were categorized into the no DIC and DIC groups. DNI values were measured within 24 hours after snakebite.
Results: Thirty patients (26.3%) developed DIC. The DIC group had significantly higher median initial DNI than the no DIC group (0% vs. 0.2%, P<0.001). When the DIC group was divided into early and late groups (within and over 24 hours after snakebite, respectively), the DNI of the former was significantly higher than that of the latter and no DIC group. The late DIC group had significantly higher DNI than the no DIC group. Furthermore, DNI positively correlated with the DIC score (r=0.548, P<0.001). The initial DNI (odds ratio, 4.449; 95% confidence interval, 1.738 to 11.388; P=0.002) was an early DIC predictor. The area under the curve based on the initial DNI’s receiver operating characteristic curve was 0.724.
Conclusion: DNI values were significantly higher in the DIC group. Additionally, DNI was an early predictor of DIC development in patients with venomous snakebites in the emergency department.
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KEYWORD
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Snake bites, Disseminated intravascular coagulopathy, Diagnosis, Biomarker
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