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. 2023 Jul 2;11(7):1880.
doi: 10.3390/biomedicines11071880.

Post-Traumatic Stress Response and Appendicitis in Children-Clinical Usefulness of Selected Biomarkers

Jarosław Sobczak  1   2 , Monika Burzyńska  3 , Anna Sikora  4 , Anna Wysocka  5 , Jakub Karawani  6 , Janusz P Sikora  1
Affiliations

Post-Traumatic Stress Response and Appendicitis in Children-Clinical Usefulness of Selected Biomarkers

Jarosław Sobczak et al. Biomedicines. .

Abstract

Acute appendicitis is an inflammatory process which is one of the most frequent global causes of surgical interventions in children. The goal of the study was to determine whether acute phase proteins, that is, C-reactive protein (CRP), procalcitonin (PCT) and neutrophil gelatinase-associated lipocalin (NGAL), interleukin 6 (IL-6), transforming growth factor-beta1 (TGF-β1) and cortisol (HC) play a role in the pathomechanism of post-trauma stress response of the organism and to establish the impact of the applied surgical procedure and/or of inflammation on their concentrations. An additional purpose was to establish the clinical usefulness of the studied biomarkers in the diagnostics of appendicitis. CRP concentrations were quantified via the immunoturbidimetric method, while the levels of IL-6 and PCT were assessed using a bead-based multiplexed immunoassay system in a microplate format (Luminex xMAP technology); NGAL, TGF-β1 and cortisol concentrations were determined via the enzyme-linked immunosorbent assay (ELISA) technique. All the investigated biomarkers were assayed twice, i.e., immediately before the surgery and 12-24 h after its completion. Significant increases in CRP, IL-6 and PCT concentrations were found in all children subjected to laparoscopic surgeries (p = 0.001, p = 0.006, and p = 0.009, respectively) and open (classic) surgeries (p = 0.001, p = 0.016, and p = 0.044, respectively) compared to the initial concentrations. The patients undergoing classical surgery moreover presented with significant (p = 0.002, and p = 0.022, respectively) increases in NGAL and TGF-β1 levels after the procedures. In a group of children undergoing laparoscopic surgery, the appendicitis induced an increase in cortisol concentration, whereas in patients undergoing classical surgery the increase in the levels of this biomarker was caused by the type of performed surgical procedure. Simultaneously assaying the levels of CRP, NGAL and IL-6 (p = 0.008, p = 0.022, and p = 0.000, respectively) may prove useful in clinical practice, enabling the diagnosis of appendicitis in paediatric patients reporting to a hospital with abdominal pains, in addition to data from anamnesis and from clinical or ultrasound examination. The performed study confirms the participation of examined biomarkers in the pathomechanism of post-injury stress reaction of the organism to surgical trauma.

Keywords: appendicitis; biomarkers; children; surgical trauma.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
The preoperative CRP levels in the non-inflammatory patients (n = 22) and appendicitis patients (n = 18).
Figure 2
Figure 2
The preoperative NGAL levels in the non-inflammatory patients (n = 22) and appendicitis patients (n = 18).
Figure 3
Figure 3
The preoperative IL-6 levels in the non-inflammatory patients (n = 22) and appendicitis patients (n = 18).
See this image and copyright information in PMC

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