Journal of Capital Medical University ›› 1999, Vol. 20 ›› Issue (1): 32-34.

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Relation between Circadin Rhythm of Blood Pressure and Heart Rate Variability in Essential Hypertension

Du Fenghe, Xu Xiuying   

  1. Department of Cardiology,Beijing Tiantan Hospital, Affiliate of Capital University of Medical Sciences
  • Received:1998-03-16 Revised:1900-01-01 Online:1999-01-15 Published:2013-10-16

Abstract: To investigate the relationship between the circadin rhythm of blood pressure and the heart rate variability in essential hypertension, 65 cases of hypertensive disease were studied by means of mearsu ring the 24 h ambulatory blood pressure and the heart rate variability. The results showed that the patients with hypertension had lower SDNN and SDANNI as compared with the normal controls (n= 38, P <0.05) and these changes had more significance (SDNN, SDANNI and SDNNI P<0.05) in the patients without circadin changes of blood pressure than those with such changes. These results show that cardiac autonomotropic function was impaired more in the former than in the later patients.

Key words: hypertension, circadin rhythm of blood pressure, ambulatory blood pressure, heart rate variability

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