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Effect of sodium bicarbonated Ringer’s solution on fluid resuscitation in rabbits with traumatic hemorrhagic shock / 中华急诊医学杂志
Chinese Journal of Emergency Medicine ; (12): 656-660, 2020.
Article in Chinese | WPRIM | ID: wpr-863805
ABSTRACT

Objective:

To investigate the effect of sodium bicarbonated Ringer's solution on fluid resuscitation in rabbits with traumatic hemorrhagic shock.

Methods:

The rabbit model of traumatic hemorrhagic shock was established by Lamson's method. All 30 Japanese white rabbits were randomly divided into three groups the normal control group (NC group, n=10), the sodium lactate Ringer's solution group (LRS group, n=10), and the sodium bicarbonate Ringer's solution group (BRS group, n=10). In the resuscitation period, rabbits in the NC group received only carotid artery and femoral artery intubation and systemic heparinization, without beating or bleeding. Rabbits in the LRS group received all blood loss and the same amount of sodium lactate Ringer's solution through the ear vein, and rabbits in the BRS group received all blood loss and the same amount of sodium bicarbonate Ringer's solution for resuscitation. Mean arterial pressure (MAP) and heart rate (HR) were recorded at each time point before shock, namely basal stage (T1), end of shock (T2), end of resuscitation (T3) and 2 h after resuscitation (T4), and arterial blood was collected for blood gas analysis. The death rates of the experimental animals in each group were recorded at 12, 24, 36 and 48 h, respectively, and the survival rates were calculated. One-way analysis of variance was used for comparison between groups, LSD method was used for multi-group comparison, and Kaplan survival analysis was used for comparison of survival time of each group.

Results:

There were no significant differences in age, body mass index and basal blood pressure among the three groups ( P>0.05). After 2 h of fluid resuscitation, the improvement effect of the BRS group was significantly better than that of the LRS group (MAP 87.79±2.94 mmHg vs 79.24±3.81 mmHg; HR 191.9±16.8 times/min vs 211.3±15.6 times/min; lactic acid 6.09±1.94 mmol/L vs 7.89±2.47 mmol/L; arterial blood pH 7.31±0.04 vs 7.21±0.04, all P<0.05). The survival rates of experimental animals in the BRS group at 12, 24, 36 and 48 h were significantly higher than those of the LRS groups (90% vs 80%, 80% vs 60%, 70% vs 50%, 60% vs 30%; all P<0.05), and the survival time of the BRS group was longer than that of the LRS group.

Conclusions:

During the fluid resuscitation of rabbits with traumatic hemorrhagic shock, sodium bicarbonate Ringer's solution can significantly reduce the blood lactic acid level, maintain the acid-base balance and hemodynamic stability, and improve the survival rate of rabbits with traumatic hemorrhagic shock.
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Emergency Medicine Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Emergency Medicine Year: 2020 Type: Article