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Published in: World Journal of Emergency Surgery 1/2019

Open Access 01-12-2019 | Shock | Research article

Is I-FABP not only a marker for the detection abdominal injury but also of hemorrhagic shock in severely injured trauma patients?

Authors: Maika Voth, Thomas Lustenberger, Borna Relja, Ingo Marzi

Published in: World Journal of Emergency Surgery | Issue 1/2019

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Abstract

Background

Hemorrhagic shock can lead to intestinal damage with subsequent hyperinflammation and multiple organ dysfunction syndrome (MODS). The intestinal fatty acid-binding protein (I-FABP) is solely expressed in the intestine and is released extracellulary after tissue damage. This study evaluates the validity of I-FABP as an early biomarker to detect hemorrhagic shock and abdominal injury.

Patients and methods

Severely injured patients with an Injury Severity Score (ISS) ≥ 16 points and an age ≥ 18 years, admitted from January 2010 to December 2016, were included. Overall, 26 patients retrospectively presented with hemorrhagic shock to the emergency room (ER): 8 patients without abdominal injury (“HS noAbd”) and 18 patients with abdominal injury (“HS Abd”). Furthermore, 16 severely injured patients without hemorrhagic shock and without abdominal injury (“noHS noAbd”) were retrospectively selected as controls. Plasma I-FABP levels were measured at admission to the ER and up to 3 days posttraumatic (d1-d3).

Results

Median I-FABP levels were significantly higher in the “HS Abd” group compared with the “HS noAbd” group (28,637.0 pg/ml [IQR = 6372.4–55,550.0] vs. 7292.3 pg/ml [IQR = 1282.5–11,159.5], p < 0.05). Furthermore, I-FABP levels of both hemorrhagic shock groups were significantly higher compared with the “noHS noAbd” group (844.4 pg/ml [IQR = 530.0–1432.9], p < 0.05). The time course of I-FABP levels showed a peak on the day of admission with a subsequent decline in the post-traumatic course. Furthermore, significant correlations between I-FABP levels and clinical parameters of hemorrhagic shock, such as hemoglobin, lactate value, systolic blood pressure (SBP), and shock index, were found.
The optimal cut-off level of I-FABP for detection of hemorrhagic shock was 1761.9 pg/ml with a sensitivity of 85% and a specificity of 81%.

Conclusion

This study confirmed our previous observation that I-FABP might be used as a suitable early biomarker for the detection of abdominal injuries in general. In addition, I-FABP may also be a useful and a promising parameter in the diagnosis of hemorrhagic shock, because of reflecting low intestinal perfusion.
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Metadata
Title
Is I-FABP not only a marker for the detection abdominal injury but also of hemorrhagic shock in severely injured trauma patients?
Authors
Maika Voth
Thomas Lustenberger
Borna Relja
Ingo Marzi
Publication date
01-12-2019
Publisher
BioMed Central
Published in
World Journal of Emergency Surgery / Issue 1/2019
Electronic ISSN: 1749-7922
DOI
https://doi.org/10.1186/s13017-019-0267-9

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