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- W2394329080 abstract "Objective To study the seasonal variations of blood pressure of patients with essential hypertension,and discuss the relationships between meteorological elements(air temperature,room tempe,rature relative humidity,atmospheric pressure and weather)and blood pressure (BP).Methods By means of the cluster sampling,collecting data from the patients with essential hypertension determined,in Qingzhou city,Shandong province,consisted of 1800 patients with essential hypertension(1155 males and 645 females,average age 61.3,from 29 to 85 years old).The BP was measured in the sitting position at 8:00 am once every 7 to 14 days during the twelve months.The BP data was matched with the corresponding meteorological data such as temperature,humidity and air pressure,and then used for the multiple regression analysis.Results The BP decreases during the first half year,and reaches the lowest value in summer (May to August).From September or October,the BP begins to increase,and peaks in winter (November to next February).The variances of SBP and DBP between different seasons all but that between spring and autumn has statistically significance.SBP and DBP both demonstrate a negative correlation with the air temperature and room temperature(β=-0.23,t=-7.05,P0.01,β=-0.38,t=-10.13,P0.01),(β=-0.08,t=-2.39,P0.05;β=-0.24,t=-6.21,P0.01)systolic pressure was positively related to relative humidity (β=0.17,t=5.02,P0.01),DBP demonstrate a negative correlation with weather(β=-0.15,t=-4.55,P0.01).Conclusions BP of patients with essential hypertension reveal seasonal variations.BP is lowest in summer and highest in winter with evident fluctuation in spring and autumn.This kind of changes especially obvious for SBP,which associate with room temperature and blood vessel elasticity." @default.
- W2394329080 created "2016-06-24" @default.
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- W2394329080 date "2011-01-01" @default.
- W2394329080 modified "2023-09-26" @default.
- W2394329080 title "Sudy on the relation between blood pressure and weather factor in patients with essential hypertension" @default.
- W2394329080 hasPublicationYear "2011" @default.
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