open access

Vol 3, No 4 (1999)
REVIEV
Published online: 2000-03-09
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Heart Rate Variability in Essential Hypertension. Part II: Heart Rate Variability and its Circadian Rhythm in Hypertensive Patients

Ryszard Piotrowicz, Katarzyna Stolarz
Nadciśnienie tętnicze 1999;3(4):257-263.

open access

Vol 3, No 4 (1999)
REVIEV
Published online: 2000-03-09

Abstract

Hypertensive patients are characterized by decreased values of the heart rate variability (HRV) components related to vagal activity. A reduction in parasympathetic activity significantly contributes to a disturbance in sympathetic and parasympathetic cardiovascular control in hypertension. The balance in autonomic control mechanisms is shifted towards a preponderance of sympathetic efferent activity. Also the circadian rhythm of HRV components dependent on sympathetic and parasympathetic activity is altered in essential hypertension. Heart rate variability is significantly reduced in patients with left ventricular hypertrophy secondary to hypertension. Left ventricular mass seems to be the most important determinant of the sympathovagal imbalance in hypertensive patients. Changes in HRV in patients with essential hypertension reflect disturbances in cardiac autonomic function. Assessment of heart rate variability may prove important role in the risk stratification in such patients.

Abstract

Hypertensive patients are characterized by decreased values of the heart rate variability (HRV) components related to vagal activity. A reduction in parasympathetic activity significantly contributes to a disturbance in sympathetic and parasympathetic cardiovascular control in hypertension. The balance in autonomic control mechanisms is shifted towards a preponderance of sympathetic efferent activity. Also the circadian rhythm of HRV components dependent on sympathetic and parasympathetic activity is altered in essential hypertension. Heart rate variability is significantly reduced in patients with left ventricular hypertrophy secondary to hypertension. Left ventricular mass seems to be the most important determinant of the sympathovagal imbalance in hypertensive patients. Changes in HRV in patients with essential hypertension reflect disturbances in cardiac autonomic function. Assessment of heart rate variability may prove important role in the risk stratification in such patients.
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Keywords

heart rate variability; hypertension; circadian rhythm; left ventricular hypertrophy

About this article
Title

Heart Rate Variability in Essential Hypertension. Part II: Heart Rate Variability and its Circadian Rhythm in Hypertensive Patients

Journal

Arterial Hypertension

Issue

Vol 3, No 4 (1999)

Pages

257-263

Published online

2000-03-09

Bibliographic record

Nadciśnienie tętnicze 1999;3(4):257-263.

Keywords

heart rate variability
hypertension
circadian rhythm
left ventricular hypertrophy

Authors

Ryszard Piotrowicz
Katarzyna Stolarz

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