• J. Surg. Res. · Jan 2015

    Pyruvate oral rehydration solution improved visceral function and survival in shock rats.

    • Wen Yu, Sen Hu, Zhi-Yi Xie, Zhi-Jie He, Hong-Min Luo, Hong-Yuan Lin, Fang-Qiang Zhou, and Zhi-Yong Sheng.
    • Department of Critical Care Medicine, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.
    • J. Surg. Res. 2015 Jan 1;193(1):344-54.

    BackgroundRecent findings showed advantages of a novel pyruvate-enriched oral rehydration solution (Pyr-ORS) in resuscitation of burns. This study focused on effects of Pyr-ORS on the visceral blood perfusion (VBP), gastrointestinal function, and survival rate, compared with the bicarbonate-based World Health Organization-guided oral rehydration solution (WHO-ORS), during intragastric rehydration of lethal hemorrhagic shock in rats.MethodsSixty adult rats were subjected to 45% total blood volume loss and were randomly allocated to the following three groups (n = 20): group NR (no fluid resuscitation), group PORS (oral Pyr-ORS rehydration), and group BORS (oral WHO-ORS rehydration), respectively. Other 10 rats were served as group NH (the sham group). Enteral rehydration lasted for 4 h after hemorrhage. The mean arterial pressure (MAP), VBP, and plasma enzymes activities of heart, liver, and kidney, and intestinal fatty acid binding protein were measured. Liver, kidney, and ileum were harvested for the evaluation of activities of oxidative enzymes and intestinal barrier protein (ZO-1). Other 84 rats with identical procedures without sampling were observed for their 24-h survival rates.ResultsPyr-ORS was more effective in enhancing the MAP and VBP, inhibiting tissue oxidative damage, and improving organ function, compared with WHO-ORS. Hypoxic lactic acidosis was fully corrected in group PORS in 4 h, whereas it worsened in group BORS, and the 24-h survival rate was twice higher in group PORS than in group BORS (45.8 versus 20.8%, P < 0.05).ConclusionsA small amount of pyruvate in Pyr-ORS was more therapeutically beneficial than equivalent bicarbonate in WHO-ORS and greatly raised survival in enteral rehydration of lethal hemorrhagic shock. The Pyr-ORS may be an ideal oral fluid in resuscitation of hypovolemic shock, especially in prehospital and resource-poor settings.Copyright © 2015 Elsevier Inc. All rights reserved.

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