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【目的】探讨正常高值血压者血压晨峰和冠心病的相关性。【方法】选择2011年1月至2014年12月本院收治的97例正常高值血压疑似冠心病患者，根据24 h 动态血压监测将其分为晨峰组(38例)和非晨峰组(59例)，比较两组患者一般资料动态血压参数，冠脉病变特征及晨峰收缩压(SBP)，分析晨峰舒张压(DBP)与 Gensini 积分的相关性。【结果】晨峰组和非晨峰组患者一般资料比较无显著性差异(P >0.05)。晨峰组患者24 h、8：00~24：00、24：00~8：00和晨峰时 SBP 均显著高于非晨峰组(P 0.05)。晨峰组合并冠状动脉病变患者显著高于非晨峰组(P 0.05 ).The 24h, 8:00~24:00,24:00 ~8:00 morning systolic blood pressure surge of MBPS group were significantly higher than those of non-MBPS group (P 0.05).The ratio of patients with coronary heart disease in MBPS group was significantly higher than that in non-MBPS group(P <0.01).The ratio of patients with single vessel lesion in MBPS group was significant lower that in non-MBPS group(P <0.05),while that of patients with double-vessel and three-ves-sel lesions in MBPS group was significantly higher than that in non-MBPS group(P <0.05 ).Gensini score was correlated with morning SBP surge(P 0.05).[Conclusion]Morning systolic blood pressure surge of people with high-normal blood pres-sure is closely correlated with the severity of coronary heart disease,and may be a risk factor for cardiovascu-lar disease and helpful in evaluating the severity of coronary heart disease in clinical practice.