Objectives: To explore the characteristics of cytokine storm in patients with septic shock after abdominal surgery, examine its relationship with clinical data, and determine intervention timings.Materials and Methods: We prospectively observed a cohort of patients with abdominal infection admitted to the surgical intensive care unit (ICU) after surgery (shock group). A control group of healthy individuals was used for comparison. Plasma samples and clinical data recorded at 0, 12, 24, 48, and 72 h after surgery were collected. Cytokines (tumor necrosis factor-α, interleukin [IL]-6, IL-8, IL-10, monocyte chemotactic protein [MCP]-1, IL-1 β, interferon-γ, IL-12p70, MCP-1α, IL-4, IL-2, and IL-13) were detected using the Luminex® technique.Results: Concentrations of most cytokines were significantly higher in the shock group. When a cytokine storm intensity curve was considered with the vasopressor dependency index and a Sequential Organ Failure Assessment (SOFA) score, time point of maximum cytokine storm intensity was earlier than that of the maximum vasopressor dependency index and SOFA score in the shock group.Conclusions: Cytokine storm occurred in patients with septic shock shortly after the abdominal surgery and may be a main mechanism leading to septic shock. Cytokine storm interventions should ideally be initiated within 24 h after surgery and be guided by cytokine storm biomarkers.
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