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The correlation between postural hypotension and myocardial infarction in the elderly population
Author(s): 
Pages: 520-523
Year: Issue:  7
Journal: Chinese Journal of Internal Medicine

Keyword:  AgedPostureBlood pressureMyocardial infarction;
Abstract: 目的 研究老年体位性低血压与心肌梗死(MI)的关系.方法 对广州军区离退休干部中>65岁的1081例无MI的老年患者进行立卧位血压及心率的测量,将患者分为收缩压体位性低血压(OH-S)/舒张性体位性低血压(OH-D)两部分,统计其发生率;对上述人群进行跟踪随访,以新发MI作为终点事件,分别观察OH-S/OH-D与新发MI的关系.结果 人群总的体位性低血压发生率为24.5%( OH-S 19.3%,OH-D 17.2%),高龄老年组体位性低血压、OH-S明显高于老年组(26.1%比20.1%,P=0.045;21.0%比14.6%,P=0.018);OH-D的发生率在两组之间差异无统计学意义;随访315 d后,体位性低血压患者中的MI发生率明显高于非体位性低血压患者;OH-S和OH-D患者的MI发生率分别高于非OH-S和非OH-D患者.进一步校正年龄、卧位血压、肌酐、既往心脑血管病史后,体位性低血压(HR 15.635,95% CI3.299 ~74.091,P=0.001)、OH-S(HR8.760,95% CI 2.487~30.851,P=0.001)、OH-D(HR 3.889,95% CI 1.097~13.790,P=0.035)与MI的发生仍具有相关性,OH-S与OH-D相比有更大的相关性.结论 收缩压及舒张压体位性低血压增加MI的发生风险.
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