• Xiangxi Meng, Juan Li, Xiaodong Bai, Sen Hu, and Fangqiang Zhou.
• Laboratory of Shock and Organ Dysfunction, Burns Institute, the First Hospital Affiliated to the People's Liberation Army General Hospital, Beijing 100048, China.
• Zhonghua Wai Ke Za Zhi. 2014 Jun 1;52(6):450-4.

ObjectiveTo study the effect of oral fluid resuscitation with pyruvate sodium-glucose-electrolyte solution (PGES) on hemodynamics, organ functions and mortalities during shock stage in dogs with burn.MethodsIn comparison of oral pyruvate sodium-glucose-electrolyte solution (PGES) with NaHCO₃-glucose-electrolyte solution (HGES), beagle dogs with intubation of the carotid artery, jugular vein and jejunum for 24 hours were subjected to a 50% total body surface area (TBSA) burn, and were divided into three groups: pure burn without fluid resuscitation (NR, n = 8), and two oral fluid resuscitation (each n = 10), in which dogs were given with Pry-GES (OP) or NaHCO₃-GES (OH) according to Parkland formula. The hemodynamic and organ functions were measured serially before burn and 2, 6, 8, 12 and 24 hours after burn at no anaesthesia state A. Twenty-four hours mortality rate following burn was also recorded.ResultsTwo hours after burn, the mean arterial pressure of NR, OH and OP group was (45 ± 8), (57 ± 8) and (80 ± 9) mmHg (1 mmHg = 0.133 kPa) respectively, which were significantly reduced (t = 16.967, 14.595 and 10.100, all P < 0.05) compared with those before injury ((42 ± 6), (144 ± 6) and (142 ± 6) mmHg respectively), the change of cardiac output, dp/dtmax of left ventricular contractility and intestinal mucosal blood flow had the same trend as the mean arterial pressure. The systemic vascular resistance and organ parameters (Cr, CK-MB, ALT and DAO) in all groups increased obviously (t = -46.894--2.465, all P < 0.05). All measurements of NR group kept worsening, and all died within 24 hours after burn; while those of two oral resuscitation groups had improved gradually (F = 0.001-1.600, all P < 0.05), OP group was significantly superior to OH group (F = 0.013-0.466, P < 0.05). At 24 hours after burn, 6 (6/10) survived in OP group, 4 (4/10) in OH group and 0 (0/8) in NR group.ConclusionThe Pyr-GES may be superior to the standard NaHCO₃-GES in the improvement of hemodynamics and organ functions during oral resuscitation in dogs with 50%TBSA full thickness burn.

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