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[目的]应用胃电图(EGG)研究2型糖尿病(DM)胃动力的变化。[方法]选取2型DM患者60例,正常对照30例,对两组EGG的主频(FP)、振幅(AP)、胃动过缓百分率(B%)的变化与血糖的关系进行研究。[结果]DM组与正常对照组的空腹和餐后FP无统计学意义。两组餐后AP均显著高于空腹(P<0.05),但两组比较无统计学意义。两组餐前和餐后B%比较,DM组均明显高于正常对照组(P<0.05)。DM空腹血糖(FBG)与餐前、餐后B%呈正相关,随着FBG的升高,B%呈相关升高(P<0.01)。[结论]DM患者存在明显EGG异常,表现为胃动过缓明显增多的胃电节律紊乱。DM患者FBG与餐前、餐后B%呈正相关。
[Objective] To study the changes of gastric motility in type 2 diabetes mellitus (DM) by electrogastrogram (EGG). [Methods] Sixty patients with type 2 DM and 30 normal controls were selected to study the relationship between the changes of EG, FP, B% and blood glucose in two groups. [Result] The fasting and postprandial FP of DM group and normal control group had no statistical significance. Both postprandial APs were significantly higher than fasting (P <0.05), but there was no significant difference between the two groups. The B% in both groups before and after meal were significantly higher than those in normal control group (P <0.05). The fasting blood glucose (FBG) of DM was positively correlated with B% before and after meals, and the B% increased with the increase of FBG (P <0.01). [Conclusion] There is obvious EGG abnormality in DM patients, manifested as gastric electrical rhythm disorders with obviously increased gastric motility. The FBG of DM patients was positively correlated with B% before and after meals.