Article

[Autonomic nerve function in patients with systemic scleroderma using heart rate variability analysis].

Section of Clinical Laboratory, Gifu University Hospital, Gifu 501-1194.
Rinsho byori. The Japanese journal of clinical pathology 05/2006; 54(4):325-8. pp.325-8
Source: PubMed

ABSTRACT We examined autonomic nerve function in patients with systemic scleroderma (SSc) using power spectral analysis of heart rate variability. In the SSc group, both in nighttime (0:00a.m.-5:00a.m.) and daytime (10:00a.m.-5:00p.m.), HF elements, a parasympathetic nerve index, were lower and LF/HF ratios, a sympathetic nerve index, were higher than in the control group. This suggests that in SSc patients, sympathetic nerve activity was increased and parasympathetic nerve activity was decreased throughout the day.

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Keywords

autonomic nerve function
 
heart rate variability
 
HF elements
 
LF/HF ratios
 
nighttime
 
parasympathetic nerve activity
 
parasympathetic nerve index
 
power spectral analysis
 
SSc
 
SSc group
 
SSc patients
 
sympathetic nerve activity
 
sympathetic nerve index