A prospective study of blood pressure dynamic change and related factors in construction workers in high-altitude regions
CHEN Jianhua1,ZHENG Bihai2,YAN Yiping1, LI ShengHui1,ZHENG Jianbao2,TANG Aike1,and DONG Lijin3
1.2nd Hospital of Armed Police Forces Hydropower Corps, Nanchang 330000,China;2.Tibet Military Command General Hospital，Lhasa 850000,China; 3. Logistics University of CAPF,Tianjin 300162,China
Abstract：Objective To investigate the the relationship between blood pressure changes and the altitude, labor intensity and life style factors among high-altitude construction workers, and to study its mechanism. Methods Using a specially-designed questionnaire, designated researchers, after training, measured the blood pressure of construction workers who recently arrived in high altitude regions from plains during the “sub-acclimatization period”. The time points of blood pressure measurement were 3, 7, 15, 30 and 60 days after arrival. Results Construction workers who arrived in the plateau from the plains during the “sub-acclimatization period” showed significantly high blood pressure on days 3 and 7. Then the blood pressure gradually declined to the level on the plains on day 30, but on day 60 was again higher than that on the plains or on day 30. Compared with that on the plains, the blood pressure was P<0.01 on day 3, and P<0.05 on day 7. Among the 1000 workers surveyed, there were 202 cases of plateau hypertension, with an incidence of 20.2%. The incidence of hypertension in workers operating high above the ground was significantly higher than that in workers operating on the ground (P<0.01). The prevalence of plateau hypertension increased with sea level, labor intensity, bad humor, mental pressure,and unhealthy life style. Conclusions Hypertension in high-altitude construction workers during the “sub-acclimatization period” is related to the altitude, labor intensity, negative emotions, mental pressure and unhealthy life style.
陈建华,郑必海,严亦平,李生惠,郑健保,唐爱科,董瓅瑾 . 高海拔地区施工人员血压动态变化影响因素及其机制探讨[J]. 武警医学, 2012, 23(7): 583-585.
CHEN Jianhua,ZHENG Bihai,YAN Yiping, LI ShengHui,ZHENG Jianbao,TANG Aike,DONG Lijin. A prospective study of blood pressure dynamic change and related factors in construction workers in high-altitude regions. Med. J. Chin. Peop. Armed Poli. Forc., 2012, 23(7): 583-585.
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2012, Vol. 23 
