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Cytokines are expressed by various cells after several stimuli such as surgical tissue damage, producing a systemic inflammatory response (SIR). C-reactive protein (CRP) is used extensively in clinical practice after operative injury, but proinflammatory cytokines, iron status, albumin, neutrophil-to-lymphocyte (N/L) ratio and hemoglobin, as acute phase reactants, have been poorly documented. This study aims to show how they behave after surgery, comparing laparoscopic (LC) versus open cholecystectomy (OC). In total, 55 patients were included in a prospective non-randomized form to undergo a cholecystectomy: 8 patients OC (50% females) and 47 patients LC (68% females). Before (A1) and 24 h after surgery (A2), blood samples were taken for an ordinary analysis and IL6, IL8 and TNFα determination. There were no differences between LC and OC groups concerning age, CRP, IL6 and TNFα at day A1. In the LC group at day A2, CRP, IL6, IL8, TNF, ferritin, leukocytes and N/L ratio increased; hemoglobin, lymphocytes, prothrombin and albumin decreased (p &lt; 0.05). In the OC group at day A2, only IL6 (p &lt; 0,07), ferritin, leukocytes, N/L ratio and CRP (p &lt; 0.05) increased; serum iron, hemoglobin, lymphocytes and albumin (p &lt; 0.05) decreased. At day A2, OC vs. LC group, higher values were observed in IL6, ferritin and CRP (p ≤ 0.05), and lesser values were observed in serum iron and prothrombin (p &lt; 0.05). In conclusion, classic markers of inflammation are altered after surgery, in a milder way in laparoscopic surgery. Ferritin can be used as an inflammatory marker, as has been described in COVID-19 infection.

Ferritin, Serum Iron and Hemoglobin as Acute Phase Reactants in Laparoscopic and Open Surgery of Cholecystectomy: An Observational Prospective Study