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目的:通过胃电图检查探讨功能性消化不良(FD)患者胃肌电紊乱的发生率,证实胃动力异常在FD发生中的作用。方法:600例FD患者行餐前和餐后体表胃电图检查,对正常胃慢波百分比和胃电主功率两项参数进行分析。结果:根据正常胃慢波百分比,本组中胃电节律正常130例(21.7%),胃动过缓390例(65.0%),胃动过速80例(13.3%)和混合性胃电节律紊乱组100例(16.7%)。在胃电节律正常的FD患者中,43.1%(56例)存在餐后/餐前胃电主功率比异常。结论:胃动力异常在FD的发病机制中起有重要作用。
Objective: To investigate the incidence of gastric myoelectrical dysfunction in patients with functional dyspepsia (FD) by electrogastrogram to confirm the role of abnormal gastric motility in the pathogenesis of FD. Methods: 600 cases of FD patients before and after meals were measured by gastric electrogastrogram, the percentage of normal gastric slow wave and main parameters of gastric electrical power were analyzed. Results: According to the percentage of normal gastric slow wave, 130 cases (21.7%) had normal electrogastrogram, 390 cases (65.0%) had gastric motility, 80 cases (13.3%) had tachycardia and mixed gastric electrical rhythm 100 cases of disorder group (16.7%). Among the FD patients with normal gastric electrogastrogram, 43.1% (56 cases) had abnormal postprandial main power ratio before meals. Conclusion: Abnormal gastric motility plays an important role in the pathogenesis of FD.