【摘 要】
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Background Massive blood loss due to trauma is the leading cause of death in trauma patients and military combatants. The fluid category of resuscitation for hy
【机 构】
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Department of Emergency Medicine,Cancer Institute
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Background Massive blood loss due to trauma is the leading cause of death in trauma patients and military combatants. The fluid category of resuscitation for hypotensive trauma patients is open to debate. This study was conducted to investigate the early effects of hypertonic and isotonic saline solutions on heme oxygenase-1 (HO-1) mRNA expression and apoptosis in the intestinal mucosa of rats with hemorrhagic shock.Methods A model of severe hemorrhagic shock was established in 21 Sprague-Dawley rats. The rats were randomly divided into sham, normal saline resuscitation (NS), and hypertonic saline resuscitation (HTS) groups, with 7 in each group. We assessed and compared the HO-1 mRNA expression and apoptosis in the small intestinal mucosa of rats after hemorrhagic shock and resuscitation using the SYBR Green I fluorescence quantitative reverse transcriptase polymerase chain reaction, fluorescein-iso-thiocyanate-annexin V/propidium iodide double staining, and flow cytometry.Results In the early stage of hemorrhagic shock and resuscitation, marked apoptosis occurred in the small intestinal mucosa from both the NS and HTS groups. The apoptotic rate in the NS group was higher than that in the HTS group (P
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