PMID: 26770536Jan 16, 2016Paper

Effects of basic drugs on prognosis of acute lung injury in mice

International Journal of Clinical and Experimental Medicine
Liming JiaYongqing Guo

Abstract

The aim of this study was to investigate the effects of basic drugs that alkalizes blood, on prognosis of acute lung injury in mice. Mice were randomized into three groups: Group normal saline, Group THAM, injected with 3.64% tri-(hydroxymethyl) methylamine (THAM), and Group NaHCO3, injected with 5% NaHCO3 (n=26, each group). The acute lung injury model was established by intraperitoneal injection of lipopolysaccharide (LPS; 50 mg/kg), followed by infusion of varying concentrations of the above solution into tail vein at the rate of 0.5 ml/h (controlled by micro pump) for over 2 h. Thirty minutes later, 6 mice from each group were randomly selected for blood gas analysis; then, the mice were killed and their lung tissues were sampled for detection of relative indicators, and the remaining mice were observed for signs of mortality for 72 h. Arterial pH, bicarbonate (HCO3 (-)), and BE and mortality of group THAM and NaHCO3 increased significantly compared to the corresponding parameters of the group normal saline (P<0.05); compared to the group normal saline, group NaHCO3 had increased blood [Na(+)] and decreased [K(+)] and [Ca(2+)] (P<0.05). Blood [Na(+)] of group THAM decreased while the lactic acid concentration increased (P<0...Continue Reading

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