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高血压病患者心肌声学密度与血压昼夜节律变异的关系

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摘要 目的:探讨高血压病患者心肌声学密度(AD)和血压昼夜节律变异的关系。方法:将原发性高血压患者65例,根据动态血压分为杓型组30例及非杓型组35例,选取健康体检者30例作为对照组,用AD技术测量室间隔及左室后壁的平均背向散射积分(AⅡ)及背向散射积分心动周期变化幅度(PPI)。结果:非杓型组24h平均收缩压与舒张压、夜间平均收缩压与舒张压明显高于杓型组(P<0.05,P<0.01)。非杓型组室间隔、左室后壁的AⅡ高于杓型组及对照组(P<0.01)。非杓型组室间隔、左室后壁的PPI测值低于杓型组及对照组(P<0.01)。结论:血压昼夜节律异常与高血压患者心肌病变有密切的关系。AD技术可作为评价高血压患者心肌损害及其病变程度的重要参考指标。
出处 《广西医科大学学报》 CAS 2012年第4期577-578,共2页 Journal of Guangxi Medical University
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