Why the study?
How do heart rate variability measures differ in hypertensive patients with and without left ventricular hypertrophy compared to healthy controls?
Population
60 subjects, including 40 patients with hypertension and 20 age-matched healthy controls.
Design
Cross-sectional
Authors
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HRV differences may mark autonomic shifts by LVH stage in hypertension; hypothesis-generating and should not yet change practice.
How do heart rate variability measures differ in hypertensive patients with and without left ventricular hypertrophy compared to healthy controls?
Heart rate variability responds differently across stages of hypertension, showing increased sympathetic response in the absence of LVH and withdrawal of both sympathetic and parasympathetic influences when LVH is present.
Kudaiberdieva et al. (1999) studied this question.
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