• Shock · Sep 2022

    Randomized Controlled Trial

    Effects of Shenfu injection on sublingual microcirculation in septic shock patients: A randomized controlled trial.

    • Shiwei Wang, Guoxiang Liu, Li Chen, Xinhui Xu, Tianyuan Jia, Changqing Zhu, and Jianfei Xiong.
    • Department of Emergency Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China.
    • Shock. 2022 Sep 1; 58 (3): 196203196-203.

    AbstractBackground and Objective: The optimization of macrocirculatory hemodynamics is recommended by current sepsis guidelines. However, microcirculatory dysfunction is considered the cause of severe sepsis. In the present study, we designed to verify whether the application of Shenfu injection (SFI) restores microcirculation, thereby improving tissue perfusion and inhibiting organ dysfunction, resulting in improved outcomes. Design: We conducted a prospective, single-center, randomized, double-blind, placebo-controlled clinical trial. Intervention: Patients were randomly assigned to group receiving SFI (n = 20) or placebo (n = 20) for 5 days. We administered SFI or glucose injection for 5 days and blinded the investigators and clinical staff by applying light-proof infusion equipment that concealed therapy allocation. Measurements and Results: We measured the systemic dynamics and lactate levels, biomarkers of endothelial dysfunction, and inflammatory cytokines in the plasma. The parameters of sublingual microcirculation were assessed using side-stream dark-field imaging. Sequential Organ Failure Assessment (SOFA) score, Acute Physiology and Chronic Health Evaluation (APACHE) score, total dose, and duration of vasopressor use, emergency intensive care unit (EICU) stay, and 28-day mortality were evaluated. After treatment with SFI, the disturbance of the sublingual microcirculation was considerably alleviated, as indicated by the significant increase in total vessel density, perfused vessel density, and microvascular flow index. Moreover, the plasma biomarker levels of endothelial dysfunction, including Ang-2, Syn-1, and ET-1, were reversed after SFI treatment. Importantly, the SFI group had a more favorable prognosis than the control group in terms of the APACHE-II score, SOFA score, duration of vasopressor administration, and length of EICU stay. However, the difference in mortality at day 28 was not statistically different between the SFI (15%, 3/20) and placebo (25%, 5/20) groups ( P = 0.693). Conclusions : Shenfu injection provided apparent effects in improving sublingual microcirculatory perfusion in patients with septic shock, and this protection may be related with the inhibition of endothelial dysfunction and vasodilatory effects.Copyright © 2022 by the Shock Society.

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