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血浆脑钠肽结合组织多普勒超声对老年左室肥厚患者的鉴别诊断价值 被引量:5

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摘要 目的探讨血浆脑钠肽(BNP)结合组织多普勒超声对老年高血压性肥厚型心肌病(HHCME)、肥厚型心肌病(HCM)和高血压性心脏病(或高血压性左室肥厚,H-LVH)鉴别诊断的价值。方法分析比较年龄均>60岁的HHCME(29例)、HCM(25例)、H-LVH(34例)患者的一般临床特征、心电图、超声心动图及血浆BNP的差异。其中心脏超声指标有左房内径(LAd),室间隔厚度(IVST),左室后壁厚度(LVPWT),左室舒张末内径(LVEDd),左室射血分数(LVEF),主动脉瓣钙化,收缩期二尖瓣前叶向前运动(SAM)现象,E峰/A峰,E峰/E'峰。结果三组患者年龄、性别组成、心率比较,差异无统计学意义(P均>0.05);HHCME组高血压病史较HCM组长(P<0.05),但二者血压水平无显著性差异(P>0.05);H-LVH组的房性心律失常及室性心律失常明显少于另两组(P<0.05)。HHCME组中LVEF、E/A<1的例数、E/E'、BNP大于HCM组、H-LVH组(P<0.05),其中E/E'与BNP有较好的相关性(r=0.62,P<0.05)。HCM组中LAd、IVST、SAM例数大于HHCME组、H-LVH组(P<0.05)。H-LVH组中LVEDd、主动脉瓣钙化例数大于HHCME组、HCM组(P<0.05),其中IVST与LVPWT有较好的相关性(r=0.77,P<0.05)。结论血浆BNP结合组织多普勒对老年左室肥厚患者的鉴别具有重要的价值,HHCME组舒张功能明显减退,老年HCM组也有舒张功能不全,而老年H-LVH组舒张功能尚可,其中HHCME组的血浆BNP明显升高,可能是诊断HHCME的独立标志物。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2011年第10期1728-1730,共3页 Chinese Journal of Gerontology
基金 扬州市社会发展人口健康项目(YZS2007008)
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