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目的：探讨循证护理在预防开胸手术患者围术期低体温情况作用效果。方法：选取本院2015年9月至2016年9月在全身麻醉条件下进行开胸手术的患者168例，随机分成对照组和研究组，每组84例，对照组患者采取常规护理，研究组患者在此基础上增加循证保温护理措施。比较观察两组患者的出血情况和低体温发生情况。结果：研究组患者的出血量为（159±13）ml，明显少于对照组患者的（343±17）ml，且研究组患者低体温发生的情况明显好于对照组，两组比较，差异均具有统计学意义（P＜0.05）。结论：在开胸手术患者中应用循证护理可以有效降低患者术中的出血量，预防低体温情况的发生。“,”Objective: To explorer the effect of evidence-based care in preventing hypothermia of patients undergoing thoracotomy. Methods: Totals of 168 patients undergoing thoracotomy in our hospital were selected and divided into the control group and the observation group, with 84 cases in each group randomly. The control group was given the routine nursing, while the observation group was given the scientific evidence-based care. The amount of bleeding and the incidence of hypothermia were observed and compared between two groups. Results: There were statistical y significant differences regarding the amount of bleeding and the incidence of hypothermia between two groups (P<0.05). Conclusion: The application of evidence-based care in patients undergoing thoracotomy could effectively reduce the incidence of hypothermia and decrease the amount of bleeding.