Key result
Recent-onset hypertension was associated with significantly lower heart rate variability indices, including SDNN, LF, and HF spectral powers, compared to normotensive subjects (P<=0.05 for each).
Cross-Sectional (n=75)
p-value: p=<=0.05
Recent-onset hypertension is associated with diminished baroreflex modulation of heart rate, as evidenced by reduced heart rate variability indices compared to normotensive individuals.
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May signal early autonomic involvement in hypertension; hypothesis-generating and should not yet change practice.
Prakash et al. (2005) conducted a cross-sectional in Hypertension (n=75). Recent-onset hypertension vs. Normal blood pressure was evaluated on Heart rate variability indices (SDNN, LF, HF, HRVdb) (p=<=0.05). Recent-onset hypertension was associated with significantly lower heart rate variability indices, including SDNN, LF, and HF spectral powers, compared to normotensive subjects (P<=0.05 for each).
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