Eero Pesonen1, Arie Passov2, Sture Andersson3, Raili Suojaranta2, Tomi Niemi2, Peter Raivio4, Markku Salmenperä2, Alexey Schramko2. 1. Division of Anaesthesiology, Department of Anaesthesiology, Intensive Care and Pain Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland. Electronic address: eero.pesonen@hus.fi. 2. Division of Anaesthesiology, Department of Anaesthesiology, Intensive Care and Pain Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland. 3. Children's Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland. 4. Heart and Lung Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.
Abstract
OBJECTIVE: Experimental inflammation induces degradation of glycocalyx. The authors hypothesized that inflammation is an important determinant of glycocalyx degradation in patients undergoing cardiac surgery with cardiopulmonary bypass (CPB). DESIGN: A prospective observational study. SETTING: Operation theater and intensive care unit of a university hospital. PARTICIPANTS: Two separate prospective patient cohorts. INTERVENTIONS: Blood samples were collected at 5 perioperative time points in the trial cohort (30 patients) and only preoperatively in the preoperative cohort (35 patients). Plasma syndecan-1 (biomarker of glycocalyx degradation), interleukin-6 (IL-6), IL-8, and IL-10 were measured. MEASUREMENTS AND MAIN RESULTS: In the trial cohort, preoperative ranges were as follows: 0.8-198 ng/mL for syndecan-1; 0-902 pg/mL for IL-6; 0-314.9 pg/mL for IL-8, and 0-2,909 pg/mL for IL-10. Seven out of 30 patients were outliers in terms of plasma concentrations of syndecan-1 and all cytokines preoperatively. The increase of syndecan-1 was 2.7-fold, and those of IL-6 and IL-8 were both 2.5-fold. The increase of IL-10 was modest. Plasma syndecan-1 correlated with all cytokines preoperatively (IL-6: R = 0.66, p < 0.001; IL-8: R = 0.67, p = 0.001; IL-10: R = 0.73, p < 0.001) as well as at 6 hours postoperatively (IL-6: R = 0.49, p = 0.006; IL-8: R = 0.43, p = 0.02; IL-10: R = 0.41, p = 0.03) and on the postoperative morning (IL-6: R = 0.57, p = 0.001; IL-8: R = 0.37, p = 0.06; IL-10: R = 0.51, p = 0.005) but not intraoperatively. The preoperative findings of the trial cohort could be confirmed in the preoperative cohort. CONCLUSIONS: In patients undergoing cardiac surgery with CPB, inflammation in terms of proinflammatory cytokines IL-6 and IL-8 and anti-inflammatory cytokine IL-10 is associated with glycocalyx degradation measured as plasma syndecan-1 concentrations.
OBJECTIVE: Experimental inflammation induces degradation of glycocalyx. The authors hypothesized that inflammation is an important determinant of glycocalyx degradation in patients undergoing cardiac surgery with cardiopulmonary bypass (CPB). DESIGN: A prospective observational study. SETTING: Operation theater and intensive care unit of a university hospital. PARTICIPANTS: Two separate prospective patient cohorts. INTERVENTIONS: Blood samples were collected at 5 perioperative time points in the trial cohort (30 patients) and only preoperatively in the preoperative cohort (35 patients). Plasma syndecan-1 (biomarker of glycocalyx degradation), interleukin-6 (IL-6), IL-8, and IL-10 were measured. MEASUREMENTS AND MAIN RESULTS: In the trial cohort, preoperative ranges were as follows: 0.8-198 ng/mL for syndecan-1; 0-902 pg/mL for IL-6; 0-314.9 pg/mL for IL-8, and 0-2,909 pg/mL for IL-10. Seven out of 30 patients were outliers in terms of plasma concentrations of syndecan-1 and all cytokines preoperatively. The increase of syndecan-1 was 2.7-fold, and those of IL-6 and IL-8 were both 2.5-fold. The increase of IL-10 was modest. Plasma syndecan-1 correlated with all cytokines preoperatively (IL-6: R = 0.66, p < 0.001; IL-8: R = 0.67, p = 0.001; IL-10: R = 0.73, p < 0.001) as well as at 6 hours postoperatively (IL-6: R = 0.49, p = 0.006; IL-8: R = 0.43, p = 0.02; IL-10: R = 0.41, p = 0.03) and on the postoperative morning (IL-6: R = 0.57, p = 0.001; IL-8: R = 0.37, p = 0.06; IL-10: R = 0.51, p = 0.005) but not intraoperatively. The preoperative findings of the trial cohort could be confirmed in the preoperative cohort. CONCLUSIONS: In patients undergoing cardiac surgery with CPB, inflammation in terms of proinflammatory cytokines IL-6 and IL-8 and anti-inflammatory cytokine IL-10 is associated with glycocalyx degradation measured as plasma syndecan-1 concentrations.
Authors: Robert G Hahn; Markus Zdolsek; Emma Hasselgren; Joachim Zdolsek; Håkan Björne Journal: Br J Clin Pharmacol Date: 2019-03-28 Impact factor: 4.335
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