Study of high blood pres­sure telling

China Daily (Canada) - - FRONT PAGE - By WANG HONGYI in Shang­hai wanghongyi@ chi­

Chi­nese re­searchers have noted in a study that pa­tients with hyper­ten­sion should pay more at­ten­tion to fluc­tu­a­tions in their blood pres­sure dur­ing daily treat­ments and man­age­ment, in ad­di­tion to con­trol­ling av­er­age blood pres­sure over­all.

The study, re­cently pub­lished in the In­ter­na­tional Jour­nal of Car­di­ol­ogy, was led by Prof Yu Jin­ming at the school of pub­lic health at Shang­hai-based Fu­dan Univer­sity.

Yu and his team ob­served and an­a­lyzed a large-sized data sam­ple, try­ing to find out the relation be­tween blood pres­sure vari­abil­ity and cere­bral stroke. Blood pres­sure vari­abil­ity refers to the de­gree of fluc­tu­a­tion of blood pres­sure within a cer­tain pe­riod of time. The re­search showed that the long-term follow up on blood pres­sure vari­abil­ity is of great sig­nif­i­cance in pre­dict­ing an oc­cur­rence of cere­bral stroke.

Low­er­ing blood pres­sure vari­abil­ity has be­come the new tar­get in the treat­ment and man­age­ment of hyper­ten­sion. In the past, stud­ies on the relation be­tween blood pres­sure vari­abil­ity and cere­bral stoke mainly fo­cused on short term mon­i­tor­ing. Since the mon­i­tors were limited and ob­ser­va­tion win­dows short, the re­sults failed to re­flect the ac­tual fluc­tu­a­tion con­di­tion of blood pres­sure and its im­pact on cere­bral stroke.

In or­der to solve this prob­lem, Yu and his team car­ried out the study based on the com­mu­nity res­i­dents’ health ar­chives data. A to­tal of 122,636 adult pa­tients with hyper­ten­sion were se­lected for the study.

Re­search found that a to­tal of 4,522 hyper­ten­sion pa­tients suf­fered cere­bral stroke dur­ing the follow-up pe­riod from 2005 to 2011. The fluc­tu­a­tions among this group were sig­nif­i­cantly higher than among the pa­tients who did not suf­fer cere­bral stroke.

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