Carbachol promotes gastrointestinal function during oral resuscitation of burn shock  

作　　者：Sen Hu Jin-Wei Che Yi-jun Tian Zhi-Yong Sheng 

机构地区：[1]Research Laboratory of Shock and Multiple Organ Dysfunction,Burns Institute, First Hospital Affiliated to the PLA GeneralHospital, Beijing 100048, China

出　　处：《World Journal of Gastroenterology》2011年第13期1746-1752,共7页世界胃肠病学杂志（英文版）

基　　金：Supported by The Special Foundation of the 11th five-yearPlan for Military Medical Projects, No. 06Z055

摘　　要：AIM: To investigate the effect of carbachol on gastrointestinal function in a dog model of oral resuscitation for burn shock. METHODS: Twenty Beagle dogs with intubation of the carotid artery, jugular vein and jejunum for 24 h were subjected to 35% total body surface area fullthickness burns, and were divided into three groups: no fluid resuscitation (NR, n = 10), in which animals did not receive fluid by any means in the first 24 h postburn; oral fluid resuscitation (OR, n = 8), in which dogs were gavaged with glucose-electrolyte solution (GES) with volume and rate consistent with the Parkland formula; and oral fluid with carbachol group (OR/CAR, n = 8), in which dogs were gavaged with GES containing carbachol (20 μg/kg), with the same volume and rate as the OR group. Twenty-four hours after burns, all animals were given intravenous fluid replacement, and 72 h after injury, they received nutritional support. Hemodynamicand gastrointestinal parameters were measured serially with animals in conscious and cooperative state. RESULTS: The mean arterial pressure, cardiac output and plasma volume dropped markedly, and gastrointestinal tissue perfusion was reduced obviously after the burn injury in all the three groups. Hemodynamic parameters and gastrointestinal tissue perfusion in the OR and OR/CAR groups were promoted to pre-injury level at 48 and 72 h, respectively, while hemodynamic parameters in the NR group did not return to pre-injury level till 72 h, and gastrointestinal tissue perfusion remained lower than pre-injury level until 120 h post-burn. CO 2 of the gastric mucosa and intestinal mucosa blood flow of OR/CAR groups were 56.4 ± 4.7 mmHg and 157.7 ± 17.7 blood perfusion units (BPU) at 24 h postburn, respectively, which were significantly superior to those in the OR group (65.8 ± 5.8 mmHg and 127.7 ± 11.9 BPU, respectively, all P < 0.05). Gastric emptying and intestinal absorption rates of GES were significantly reduced to the lowest level (52.8% and 23.7% of pre-injury levels) in the OR group at aboutAIM： To investigate the effect of carbachol on gastrointestinal function in a dog model of oral resuscitation for burn shock. METHODS： Twenty Beagle dogs with intubation of the carotid artery, jugular vein and jejunum for 24 h were subjected to 35% total body surface area fullthickness burns, and were divided into three groups： no fluid resuscitation （NR, n = 10）, in which animals did not receive fluid by any means in the first 24 h postburn; oral fluid resuscitation （OR, n = 8）, in which dogs were gavaged with glucose-electrolyte solution （GES） with volume and rate consistent with the Parkland formula; and oral fluid with carbachol group （OR/CAR, n = 8）, in which dogs were gavaged with GES containing carbachol （20 μg/kg）, with the same volume and rate as the OR group. Twenty-four hours after burns, all animals were given intravenous fluid replacement, and 72 h after injury, they received nutritional support. Hemodynamicand gastrointestinal parameters were measured serially with animals in conscious and cooperative state. RESULTS： The mean arterial pressure, cardiac output and plasma volume dropped markedly, and gastrointestinal tissue perfusion was reduced obviously after the burn injury in all the three groups. Hemodynamic parameters and gastrointestinal tissue perfusion in the OR and OR/CAR groups were promoted to pre-injury level at 48 and 72 h, respectively, while hemodynamic parameters in the NR group did not return to pre-injury level till 72 h, and gastrointestinal tissue perfusion remained lower than pre-injury level until 120 h post-burn. CO 2 of the gastric mucosa and intestinal mucosa blood flow of OR/CAR groups were 56.4 ± 4.7 mmHg and 157.7 ± 17.7 blood perfusion units （BPU） at 24 h postburn, respectively, which were significantly superior to those in the OR group （65.8 ± 5.8 mmHg and 127.7 ± 11.9 BPU, respectively, all P 0.05）. Gastric emptying and intestinal absorption rates of GES were significantly reduced to the lowest level （52.8% and 23.7% of pre-inj

关 键 词：Burn shock Fluid therapy Oral rehydration CARBACHOL Animal model Gastric emptying Intestinal absorption 

分 类 号：S816.7[农业科学—饲料科学] TS252.2[农业科学—畜牧学]