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  • Title: [Effect of different crystalloids on internal environment in patients with septic shock receiving early fluid resuscitation: a prospective randomized controlled trial].
    Author: Wang X, Yuan Z, Chen Q, Yu J, Zheng R.
    Journal: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue; 2018 Sep; 30(9):824-829. PubMed ID: 30309406.
    Abstract:
    OBJECTIVE: To compare the effect of 0.9% NaCl solution, Ringer solution, and acetate sodium potassium magnesium calcium glucose solution (ASPMCG solution) on internal environment in patients with septic shock receiving early fluid resuscitation. METHODS: A prospective randomized controlled trial was conducted. From June 2016 to January 2018, a total of 280 patients with septic shock admitted to intensive care unit (ICU) of Northern Jiangsu People's Hospital were enrolled. All eligible patients were randomly divided into 0.9% NaCl solution group (group N), Ringer solution group (group L) and ASPMCG solution group (group P) with random number table. In all patients, catheters were placed in the right internal jugular vein or subclavian vein and were infused with 30 mL/kg of corresponding crystalloid within 3 hours after admission. According to fluid responsiveness, the rehydration rate and fluid volume were determined by the researcher within 6 hours. Other treatments were based on the 2012 Surviving Sepsis Campaign (SSC) guidelines during the study. In this study, 6-hour or 24-hour fluid volume and 7-day exogenous insulin use were recorded. The changes in arterial blood pH, base excess (BE), blood glucose (Glu), lactic acid (Lac), and serum Na+, K+, Cl-, Ca2+ were observed at 0, 3, 6, 24 hours, and 3 days and 7 days of resuscitation. RESULTS: In this study, a total of 1 082 patients were admitted to the ICU, and patients who did not meet the diagnostic criteria for septic shock, death or discharge within 24 hours of ICU admission were excluded. Finally, 280 patients with septic shock were enrolled in the analysis, with 94 patients in group N, 94 patients in group L and 92 patients in group P. There was no significant difference in the amount of crystalloid, colloidal fluid, total fluid within 6 hours or 24 hours or exogenous insulin dose within 7 days among the three groups. After fluid resuscitation, blood Cl- concentration in the three groups was increased in different degrees, peaked at 24 hours, but it in group N was significantly higher than that in group L and group P (mmol/L: 107.5±5.6 vs. 106.1±4.8, 105.1±4.2, both P < 0.05). Moreover, blood Ca2+ concentration also showed an increased tendency, it was significantly lower at 3 hours and 6 hours in group N than that in group L and group P (mmol/L: 1.10±0.08 vs. 1.15±0.09, 1.12±0.10 at 3 hours, 1.12±0.10 vs. 1.16±0.08, 1.15±0.09 at 6 hours, all P < 0.05). There was no significant difference in blood Cl- or Ca2+ between groups L and P (both P > 0.05). Arterial blood pH, BE, Glu, Lac, Na+, or K+ at each time point during fluid resuscitation also showed no difference among the three groups. CONCLUSIONS: Among patients with septic shock receiving early fluid resuscitation, compared with Ringer solution and ASPMCG solution, 0.9% NaCl solution may cause hyperchloremia and hypocalcemia, but has no significant effect on acid-base balance. CLINICAL TRIAL REGISTRATION: Chinese Clinical Trial Registry, ChiCTR-IOR-16009176.
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