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目的:探讨老年人脉压指数(PPI)变化特点及其相关危险因素。方法:对唐山市3850名老年人集中体检,按照PPI水平分为四组,分别为≤0.400,0.401～0.500,0.501～0.600和>0.600,分析各组血压指标特点及与心脑血管病事件的关系。结果:随着SBP的增加,PPI相应增加(P﹤0.001)。随着PPI水平增加,DBP呈下降趋势(P﹤0.01)。脑卒中和冠心病患病率的增加与PPI水平的提高有关(P﹤0.05)。结论:PPI反映了老年人的血压变化特点,并与心脑血管事件有关。
Objective: To investigate the changes of pulse pressure index (PPI) in the elderly and the related risk factors. Methods: A total of 3,850 elderly people in Tangshan city were collected for physical examination, and were divided into four groups according to the level of PPI: ≤0.400,0.401-0.500,0.501-0.600 and> 0.600 respectively. The characteristics of blood pressure indexes and the relationship with cardiovascular and cerebrovascular diseases relationship. Results: As SBP increased, PPI increased accordingly (P <0.001). With the increase of PPI level, DBP showed a decreasing trend (P <0.01). The prevalence of stroke and coronary heart disease increased with the increase of PPI (P <0.05). Conclusion: The PPI reflects the characteristics of blood pressure in the elderly and is related to cardiovascular and cerebrovascular events.