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Published in: BMC Emergency Medicine 1/2021

Open Access 01-12-2021 | Acute Kidney Injury | Research article

Endothelial glycocalyx degradation is associated with early organ impairment in polytrauma patients

Authors: Feng Qi, Hao Zhou, Peng Gu, Zhi-He Tang, Bao-Feng Zhu, Jian-Rong Chen, Jin-Song Zhang, Feng Li

Published in: BMC Emergency Medicine | Issue 1/2021

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Abstract

Background

Endothelial glycocalyx (EG) abnormal degradation were widely found in critical illness. However, data of EG degradation in multiple traumas is limited. We performed a study to assess the EG degradation and the correlation between the degradation and organ functions in polytrauma patients.

Methods

A prospective observational study was conducted to enroll health participants (control group) and polytrauma patients (trauma group) at a University affiliated hospital between Feb 2020 and Oct 2020. Syndecan1 (SDC1) and heparin sulfate (HS) were detected in serum sample of both groups. In trauma group, injury severity scores (ISS) and sequential organ failure assessments (SOFA) were calculated. Occurrences of acute kidney injury (AKI), trauma-induced coagulopathy (TIC) within 48 h and 28-day all-cause mortality in trauma group were recorded. Serum SDC1 and HS levels were compared between two groups. Correlations between SDC1/HS and the indicators of organ systems in the trauma group were analyzed. ROC analyses were performed to assess the predictive value of SDC1 and HS for AKI, TIC within 48 h, and 28-day mortality in trauma group.

Results

There were 45 polytrauma patients and 15 healthy participants were collected, totally. SDC1 and HS were significantly higher in trauma group than in control group (69.39 [54.18–130.80] vs. 24.15 [13.89–32.36], 38.92 [30.47–67.96] vs. 15.55 [11.89–23.24], P <  0.001, respectively). Trauma group was divided into high degradation group and low degradation group according to SDC1 median. High degradation group had more severe ISS, SOFA scores, worse organ functions (respiratory, kidney, coagulation and metabolic system), and higher incidence of hypothermia, acidosis and shock. The area under the receiver operator characteristic curves (AUC) of SDC1 to predict AKI, TIC occurrence within 48 h and 28-day mortality were 0.838 (95%CI: 0.720–0.957), 0.700 (95%CI: 0.514–0.885) and 0.764 (95%CI: 0.543–0.984), respectively.

Conclusions

EG degradation was elevated significantly in polytrauma patients, and the degradation was correlated with impaired respiratory, kidney, coagulation and metabolic systems in early stage. Serum SDC1 is a valuable predictive indicator of early onset of AKI, TIC, and 28-day mortality in polytrauma patients.
Literature
Metadata
Title
Endothelial glycocalyx degradation is associated with early organ impairment in polytrauma patients
Authors
Feng Qi
Hao Zhou
Peng Gu
Zhi-He Tang
Bao-Feng Zhu
Jian-Rong Chen
Jin-Song Zhang
Feng Li
Publication date
01-12-2021
Publisher
BioMed Central
Published in
BMC Emergency Medicine / Issue 1/2021
Electronic ISSN: 1471-227X
DOI
https://doi.org/10.1186/s12873-021-00446-y

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