Biomarkers of system inflammation in local and diffuse peritonitis

Mikhalchik E.V.1 , Borodina I.V.1, Vlasova I.V.2, Vakhrusheva T.V.1, Gorbunov N.P.1, Panasenko O.M.1, Titkova S.M.3, Anurov M.V.3, Ivakhov G.B.3, Ermakov I.V.3, Teplyshev A.V.4, Klinov D.V.1

1. Federal Research Clinical Center of Physical Chemical Medicine, FMBA of Russia, Moscow, Russia
2. I.M. Sechenov First Moscow State Medical University (Sechenov University), Institute for Regenerative Medicine, Moscow, Russia
3. Pirogov Russian National Research Medical University, Moscow, Russia
4. Pirogov City Clinical Hospital №1, Moscow, Russia
Section: Clinical and Diagnostic Research
DOI: 10.18097/PBMC20206605411      PubMed Id: 33140736
Year: 2020  Volume: 66  Issue: 5  Pages: 411-418
In cases of any acute surgical abdominal disease the progression of purulent inflammation can lead to local or diffuse peritonitis. The indicators of the degree and specificity of the inflammatory response in blood such as cytokine concentration, neutrophil activity, plasma antioxidant capacity (thiols concentration) could be considered as potential predictors of complications. The luminol-dependent chemiluminescence (CL) response of blood activated by the phorbol ester (PMA), and the concentration of cytokines IL-6, IL-8, IL-10, myeloperoxidase (MPO) and thiols in plasma were measured in patients with uncomplicated condition (group 1, n=8), local peritonitis (group 2, n=9) or diffuse peritonitis (group 3, n=9) at admission to surgery (before surgical operation, b/o), immediately after surgical operation (a/o) and a day after surgery (1 day) as well as in healthy volunteers (norm, n=12). In all time-points the cytokines and MPO concentrations measured by ELISA, in group 3 were higher than in healthy volunteers and in patients in groups 1 and 2. Blood CL demonstrated a more than 5-fold increase above the normal values in all patients, and was also higher in group 2 as compared to group 1 (b/o and a/o). Patients in group 3 had shown both maximum and minimum of CL values, which could be a consequence of neutrophil priming or exhaustion (“immune paralysis”), respectively. The same patients' plasma exhibited low thiol concentration (≤30% vs normal values). In patients with fatal outcomes (group 3, n=2) within a day after surgery, either a decrease of the CL to zero values concurrently with elevated IL-8 and IL-6 concentrations and low thiol levels was observed, or CL exceeded normal values more than 20 times with concurrent complete exhaustion of the plasma thiol pool. No clear dependency between the plasma parameters and neutrophil activity was found. Hence a parameter set for prognosis and/or early diagnosis of infectious complications in acute abdominal pathology should include different biomarkers of the inflammatory response: cytokine profile (IL-6, IL-8, IL-10), MPO and neutrophil activity, antioxidant plasma capacity (e.g., total thiols concentration).
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Keywords: peritonitis, biomarkers of inflammation, interleukins, myeloperoxidase, chemiluminescence, thiols
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Mikhalchik, E. V., Borodina, I. V., Vlasova, I. V., Vakhrusheva, T. V., Gorbunov, N. P., Panasenko, O. M., Titkova, S. M., Anurov, M. V., Ivakhov, G. B., Ermakov, I. V., Teplyshev, A. V., Klinov, D. V. (2020). Biomarkers of system inflammation in local and diffuse peritonitis. Biomeditsinskaya khimiya, 66(5), 411-418.
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