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老年高血压患者昼夜血压、心率变异与左心室肥厚的关系

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摘要 目的 探讨老年高血压伴左心室肥厚患者昼夜血压变化与自主神经损害的关系。方法 选择伴左心室肥厚的老年高血压患者75例,不伴左心室肥厚的老年高血压患者80例进行动态血压、动态心电图、心率变异等监测,分析昼夜血压变化、血压负荷、血压类型及心率变异功率频谱指标。结果 (1 )左心室肥厚组2 4hSBP、2 4hPP、SBP负荷值尤其夜间SBP负荷值均较非左心室肥厚组偏高,两组差异显著;而DBP及DBP负荷值,两组差异无显著性。(2 )左心室肥厚组以非杓型血压为主;而非左心室肥厚组以杓型血压为主。(3 )两组HRV功率频谱改变比较,左心室肥厚组HRV昼夜节律性减弱甚至消失;而非左心室肥厚组HRV呈昼夜节律变化。结论 高血压左心室肥厚者自主神经损害明显,在高血压治疗中应注意尽可能减少血压负荷,恢复血压昼夜节律,改善心率变异,减少及防治并发症。
出处 《心脑血管病防治》 2005年第3期27-28,共2页 CARDIO-CEREBROVASCULAR DISEASE PREVENTION AND TREATMENT
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