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CJAP ›› 2019, Vol. 35 ›› Issue (1): 85-89.doi: 10.12047/j.cjap.5694.2019.020

• ORIGINAL ARTICLES • Previous Articles     Next Articles

The correlation between the carotid artery plaque and the change of aldosterone level related indexes during captopril challenge test

LEI Yong-fu, LI Min   

  1. Department of Endocrinology, Bengbu First People’s Hospital, Bengbu 233000, China
  • Received:2018-04-11 Online:2019-01-28 Published:2019-06-27

Abstract: Objective:To investigate the correlation between the carotid artery plaque and the change of plasma aldosterone level related indexes during captopril challenge test. Methods: The patients with hypertension were enrolled as research objects and the captopril challenge test were carried out when they were hospitalized to screen the cause of hypertension. There were intact carotid artery duplex ultrasonography diagnostic data in them (83 cases). They were divided into the plaque group(57 cases) with carotid artery plaque and no plaque group( 26 cases) without carotid artery plaque according to the carotid artery duplex ultrasonography diagnostic data. The correlation between the carotid artery plaque and the changes of aldosterone concentration, renin activity and aldosterone to renin activity ratio(ARR) in two groups were analyzed. Results: The detection rate of carotid artery plaque was 68.67%. Compare with no plaque group, the patients in plaque group were elder and the level of apolipoprotein A1,(APOA1) was lower (all P<0.05). The ARR difference value before and after captopril challenge test was lower ( P<0.05).The aldosterone difference value and the renin activity difference value before and after captopril challenge test were higher in plaque group (all P<0.05).The aldosterone difference value and the renin activity difference value were positive in plaque group and were negative in no plaque group. The difference value of the ARR was negative in plaque group and was positive in no plaque group. Logistic regression analysis showed that the age, the difference value of ARR and the aldosterone before and after captopril challenge test could be associated independently with carotid artery plaque occurrence after excluding gender difference and other factors. Conclusion: The detection rate of carotid artery plaque was high among hospitalized patients with hypertension, the difference value of ARR and the aldosterone before and after captopril challenge test could be associated independently with carotid artery plaque occurrence.

Key words: captopril, aldosterone, renin activity, carotid artery, hypertension

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