Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue · 2008
[Study on intestinal absorption rate of glucose electrolyte solution during enteral resuscitation of 35% total body surface area burn injury in dog].
Сравнительное исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Che Jin-wei, Hu Sen, Du Ying, Bao Cheng-mei, Tian Yi-jun, Wang Lei, Sheng Zhi-yong
Аннотация
OBJECTIVE: To investigate the intestinal absorption rate of glucose-electrolyte solution (GES) during enteral resuscitation of burn injury in Beagle dogs, and compare the effect of enteral intake with that of intravenous infusion resuscitation.
METHODS: Twelve male Beagle dogs were subjected to a 35% total body surface area (TBSA) full-thickness flame III degree injury. Thirty minutes after burn, each dog was given either enteral resuscitation with a GES (EGES group) or intravenous resuscitation with lactated Ringer's solution (IVLR group), and the amount and speed of replenishment of fluid were in accordance with Parkland formula. In the first 8 hours post burn, intestinal absorption rates of water and Na+ were continuously assessed using phenol red as a nonabsorbable marker for water absorption rate. The plasma volume (PV) was measured by the dye (indocyanine green) dilution technique, and the plasma concentration of Na+, mean arterial pressure (MAP) cardiac output (CO), and urine volume were also determined in the first 8 hours. All above measurement were performed in animals without anesthesia. At the end of 8-hour-period of experiment, the remnant fluids in the intestine were collected to calculate the total volume of fluid absorbed in 8 hours.
RESULTS: The intestinal absorption rates of water and Na+ reduced markedly down to lowest level (21% and 37% of pre-injury level) at 3.5 hours post burn, and then increased slowly. But the mean absorption rate of water was similar to infusing rate according to Parkland formula [(99+/-47) mlxh(-1)xm(-1) vs. (81+/-11) mlxh(-1)xm(-1), P>0.05]. The total fluid absorbed by intestine was (94.8+/-3.7)% of the total fluid infused within 8 hours post burn. There were no significant differences in plasma concentration of Na+, MAP and CO between two groups at 8 hours post burn. The urine volume and PV at 4 hours in EGES group were lower than those in IVLR group (both P<0.05), but those indexes at 8 hours showed no significant difference between two groups (both P>0.05).
CONCLUSION: Intestinal absorption rate of fluid given according to Parkland formula after burn injury is sufficient to resuscitate shock in animals suffering from a 35%TBSA full-thickness burn. Enteral resuscitation with GES may attain a similar therapeutic effect in expanding PV and maintain hemodynamic parameters.
METHODS: Twelve male Beagle dogs were subjected to a 35% total body surface area (TBSA) full-thickness flame III degree injury. Thirty minutes after burn, each dog was given either enteral resuscitation with a GES (EGES group) or intravenous resuscitation with lactated Ringer's solution (IVLR group), and the amount and speed of replenishment of fluid were in accordance with Parkland formula. In the first 8 hours post burn, intestinal absorption rates of water and Na+ were continuously assessed using phenol red as a nonabsorbable marker for water absorption rate. The plasma volume (PV) was measured by the dye (indocyanine green) dilution technique, and the plasma concentration of Na+, mean arterial pressure (MAP) cardiac output (CO), and urine volume were also determined in the first 8 hours. All above measurement were performed in animals without anesthesia. At the end of 8-hour-period of experiment, the remnant fluids in the intestine were collected to calculate the total volume of fluid absorbed in 8 hours.
RESULTS: The intestinal absorption rates of water and Na+ reduced markedly down to lowest level (21% and 37% of pre-injury level) at 3.5 hours post burn, and then increased slowly. But the mean absorption rate of water was similar to infusing rate according to Parkland formula [(99+/-47) mlxh(-1)xm(-1) vs. (81+/-11) mlxh(-1)xm(-1), P>0.05]. The total fluid absorbed by intestine was (94.8+/-3.7)% of the total fluid infused within 8 hours post burn. There were no significant differences in plasma concentration of Na+, MAP and CO between two groups at 8 hours post burn. The urine volume and PV at 4 hours in EGES group were lower than those in IVLR group (both P<0.05), but those indexes at 8 hours showed no significant difference between two groups (both P>0.05).
CONCLUSION: Intestinal absorption rate of fluid given according to Parkland formula after burn injury is sufficient to resuscitate shock in animals suffering from a 35%TBSA full-thickness burn. Enteral resuscitation with GES may attain a similar therapeutic effect in expanding PV and maintain hemodynamic parameters.