Pyruvate dose response studies targeting the vital signs following hemorrhagic shock.

To determine the optimal effective dose of sodium pyruvate in maintaining the vital signs following hemorrhagic shock (HS) in rats.
Anesthetized, male Sprague-Dawley rats underwent computer-controlled HS for 30 minute followed by fluid resuscitation with either hypertonic saline, or sodium pyruvate solutions of 0.5 M, 1.0 M, 2.0 M, and 4.0 M at a rate of 5ml/kg/h (60 minute) and subsequent blood infusion (60 minute). The results were compared with sham and non- resuscitated groups. The animals were continuously monitored for mean arterial pressure, systolic and diastolic pressure, heart rate, pulse pressure, temperature, shock index and Kerdo index (KI).
The Sham group remained stable throughout the experiment. Non-resuscitated HS animals did not survive for the entire experiment due to non-viable vital signs and poor shock and KI. All fluids were effective in normalizing the vital signs when shed blood was used adjunctively. Sodium pyruvate 2.0 M was most effective, and 4.0 M solution was least effective in improving the vital signs after HS.
Future studies should be directed to use 2.0 M sodium pyruvate adjuvant for resuscitation on multiorgan failure and survival rate in HS.
AuthorsPushpa Sharma, Makler Vyacheslav, Chalut Carissa, Rodriguez Vanessa, Mike Bodo
JournalJournal of emergencies, trauma, and shock (J Emerg Trauma Shock) 2015 Jul-Sep Vol. 8 Issue 3 Pg. 159-66 ISSN: 0974-2700 [Print] India
PMID26229300 (Publication Type: Journal Article)

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