• Acta cirúrgica brasileira · Nov 2005

    Comparative Study

    Hypertonic saline and hemorrhagic shock: hepatocellular function and integrity after six hours of treatment.

    • Ricardo Antônio Hoppen, Carlos Otávio Corso, Tomáz Jesus Maria Grezzana, Antonio Severino, Felipe Dal-Pizzol, and Cristiane Ritter.
    • UFRGS, Porto Alegre, Brazil. rhoppen@annex.com.br
    • Acta Cir Bras. 2005 Nov 1;20(6):414-7.

    PurposeThe comparison after 6 h of hemorrhagic shock (HS) treatment with NaCl 7.5% (Hypertonic Saline Solution-SSH) or Ringer Lactate (RL) on liver function and integrity.MethodsMale Wistar rats were submitted to HS (Mean Arterial Pressure-MAP= 45 mmHg) during 60 min and then treated with NaCl 7.5% (SSH, 10% of blood loss, n=8) or Ringer Lactate (RL, 400% of blood loss, n=8). After 6 h rats were anesthetized, hepatic function was assessed by bile flow measurement and liver integrity evaluated by determination of alanine aminotransferase (ALT) and bilirubin activities.ResultsThere was no difference in MAP between the groups during the whole experiments. Biliary flow showed a significant recovery after SSH treatment (p<0.05), and significant decrease of ALT (p<0.001) and bilirubin levels (p<0.001) in comparison to RL.ConclusionResuscitation of HS with NaCl 7.5% promoted better recovery of liver function and lesser hepatocellular damage after 6 h of treatment compared to RL. The improvement is very likely related to increased microvascular perfusion provided by small volume resuscitation.

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