Objective: To explore the hemodynamic effects and clinical efficacy of terlipressin(TP), norepinephrine(NE) alone, and their combination under LiDCO monitoring in patients with septic shock.Methods: A total of 180 patients with septic shock admitted to the Intensive Care Unit(ICU) of Baotou Central Hospital from August 2024 to August 2025, were selected according to inclusion and exclusion criteria. They were randomly assigned to three groups with 60 patients in each group. All patients received standard treatment, with NE monotherapy group receiving norepinephrine alone, TP monotherapy group receiving terlipressin alone, and the NE+TP combinationgroup receiving a combination of norepinephrine and terlipressin. The goal for all groups was to maintain a mean arterial pressure(MAP) ≥ 65 mmHg. The hemodynamic parameters, Sequential Organ Failure Assessment(SOFA) score, Acute Physiology and Chronic Health Evaluation Ⅱ(APACHE Ⅱ) score, blood lactate levels, and inflammatory markers were compared before treatment and at 48 hours post-treatment. Results: After treatment, all indicators improved compared with before treatment in the three groups(P<0.05). After treatment, oxygen delivery(DO2) and central venous oxygen saturation(SvO2) were significantly higher in the combination group than in the NE monotherapy and TP monotherapy groups. There were no significant differences in cardiac index(CI) or systemic vascular resistance index(SVRI) among the three groups(all P>0.05). At 48 h after treatment, SOFA score, APACHE Ⅱ score, blood lactate, procalcitonin(PCT), and C-reactive protein(CRP) levels were significantly lower in the combination group than in the NE and TP groups, and these indicators were also better in the TP group than in the NE group(all P<0.05). Repeated-measures ANOVA showed significant group, time, and group × time interaction effects for these indicators(all P<0.05). There was no significant difference in the incidence of adverse reactions among the three groups(29.31%, 28.81%, and 27.12%; P=0.963).Conclusion:The combination of terlipressin and norepinephrine for the treatment of septic shock is more effective than monotherapy in improving hemodynamic status, reducing organ dysfunction, and achieving better clinical outcomes without increasing the incidence of adverse reactions, demonstrating good safety. |
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