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目的：超声心动图检测56例白大衣高血压(WCH)患者左心室结构指标，明确WCH导致左心结构的改变。方法：通过诊室血压测量和24h动态血压监测将患者分为白大衣高血压组和正常血压组，采用超声心动图测量患者的心脏结构指标：左室舒张末内径(LVEDd)、左室收缩末内径(LVESd)、室间隔厚度(IST)左室后壁厚度(LVPWT)、左室重量(LVW)和左室重量指数(LVWI)，比较两组的检测值。结果：白大衣高血压组超声心动图各项检测值均明显高于正常血压组（P<0.05）。结论：与正常血压者比较，WCH存在左心室结构改变。“,”objective Echocardiography in patients with left ventricular structural indicators 56 cases of white coat hypertension (WCH), clear WCH lead to changes in left ventricular structure. Method By office blood pressure measurements and 24h ambulatory blood pressure monitoring were divided into groups of white coat hypertension and normotensive group, the use of echocardiography in patients with cardiac structural indicators:left ventricular end-diastolic diameter (LVEDd), left ventricular end-systolic inside diameter (LVESd ), interventricular septum thickness (IST) left ventricular wall thickness (LVPWT), left ventricular weight (LVW) and left ventricular mass index (LVWI), detection values were compared. Results White coat hypertension group echocardiographic the detected values were significantly higher than normal blood pressure group (P<0.05). Conclusion Compared with normal blood pressure, WCH presence of structural changes in the left ventricle.