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目的系统评价动机性访谈在2型糖尿病（T2DM ）患者中应用的效果。方法计算机检索Co‐chrane Library、MEDLINE、EMbase、EBSCO host、CNKI、CBM、万方数据（检索时间从1989年1月至2013年12月）中关于动机性访谈对T2DM患者血糖控制影响的随机对照试验（RCT ）。由3名人员对文献质量进行严格评价和资料提取，对符合质量标准的文献进行M eta分析。结果共纳入7篇随机对照试验，试验组412例，对照组384例。与常规糖尿病（DM ）健康教育相比，动机性访谈可以明显的降低T2DM患者的血糖。糖化血红蛋白（HbA1c）[WMD＝－0．52，95％ CI（－0．85，－0．19），P ＜0．01]、空腹血糖（FPG）[加权均数差（WMD）＝－0．97，95％ CI（－1．33，－0．60），P ＜0．00001]和餐后2 h血糖（2hPG）[WMD＝－2．03，95％ CI（－2．58，－1．49），P＜0．01]。结论动机性访谈可以改善T2DM患者的HbA1c、FPG和2hPG控制的情况。“,”[Objective]To systematically evaluate the efficacy of motivational interview in patients with type 2 diabetes mellitus(T2DM) .[Methods] Such databases as Cochrane library ,MEDLINE ,EMbase ,EB‐SCO host ,CNKI ,CBM and Wanfang data were searched from Jan .1989 to Dec .2013 to collect the random‐ized controlled trials(RCTs) about the effect of motivational interview on glycemic control in patients with T2DM .The quality of RCTs was critically appraised and data were extracted by 3 reviewers independently . Meta analysis was conducted for the eligible literatures .[Results]A total of 7 RCTs were enrolled in the stud‐y .The experiment group included 412 cases ,while the control group included 384 cases .Compared with rou‐tine diabetic health education ,motivational interview could obviously decrease blood glucose of T2DM patients [hemoglobin A1c(HbA1c)(WMD= -0 .52 ,95% CI= -0 .85 , -0 .19 ,P < 0 .01)] ,fasting blood‐glucose [(WMD= -0 .97 ,95% CI= -1 .33 , -0 .60 ,P < 0 .00001)] ,2h‐postprandial blood glucose[WMD =-2 .03 ,95% CI= -2 .58 , -1 .49 , P < 0 .00001 )] .[Conclusion] Motivational interview can improve HbA1c ,fasting blood‐glucose and 2h‐postprandial blood glucose of patients with T2DM .