ArticleRevista Brasileira de terapia intensiva
The impact of hypertonic and normal saline in gut reperfusion after ischemia in rats.
Article in Revista Brasileira de terapia intensiva. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveWe investigated the effect of two different saline solutions on the mechanisms of injury after intestinal ischemia: oxidative stress and inflammatory responses.
methodsWistar rats underwent transient superior mesenteric artery occlusion and were studied for 6 hours after reperfusion. After randomization, the animals were divided into four groups: Sham; Hypertonic Saline, in which they received infusion of 4 mL/kg body weight of 7.5% hypertonic saline; Saline, in which they received infusion of 33 mL/kg body weight of 0.9% saline; and Non Treatment. The infusion was performed immediately prior to the reperfusion. The plasma concentrations of interleukin 6 and interleukin 10 were measured. Tissue samples (lung, liver, and intestine) were collected for malondialdehyde, myeloperoxidase, and interleukin measurements.
resultsThe animals that received infusions (Hypertonic Saline and Saline) showed lower levels of tissue malondialdehyde, myeloperoxidase, interleukin 6, and interleukin 10 compared with the Non Treatment group. The plasma concentrations of interleukin 6 and interleukin 10 were higher in the animals treated with 7.5% hypertonic saline compared with Saline and Non Treatment groups.
conclusionIn this model of transient intestinal ischemia, the adequate maintenance of intravascular volume decreased oxidative stress and the synthesis of inflammatory markers. Both 7.5% Hypertonic Saline and Saline attenuated the deleterious effects observed after intestinal ischemia.
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