Related Experiment Videos
[Autonomic nerve function in patients with systemic scleroderma using heart rate variability analysis].
Harumi Kawase1, Manabu Maeda, Toshio Horai
1Section of Clinical Laboratory, Gifu University Hospital, Gifu 501-1194.
Rinsho Byori. the Japanese Journal of Clinical Pathology
|May 26, 2006
Summary
Systemic scleroderma (SSc) patients show increased sympathetic and decreased parasympathetic nerve activity. This autonomic dysfunction was observed throughout the day and night in SSc individuals compared to controls.
Area of Science:
- Autonomic Nervous System Research
- Cardiovascular Physiology
- Rheumatology
Context:
- Systemic scleroderma (SSc) is a complex autoimmune disease affecting connective tissues.
- Autonomic dysfunction is increasingly recognized as a complication of SSc.
- Understanding autonomic nerve function in SSc is crucial for managing cardiovascular risks.
Purpose:
- To investigate autonomic nerve function in patients with systemic scleroderma (SSc).
- To assess sympathetic and parasympathetic nerve activity using heart rate variability (HRV) analysis.
Summary:
- Power spectral analysis of heart rate variability (HRV) was used to evaluate autonomic nerve function in SSc patients and controls.
- In SSc patients, high-frequency (HF) elements, indicating parasympathetic activity, were significantly lower during both nighttime and daytime.
- Low-frequency to high-frequency (LF/HF) ratios, reflecting sympathetic activity, were elevated in SSc patients during both periods.
Impact:
- Findings suggest a consistent pattern of increased sympathetic and decreased parasympathetic nerve activity in SSc patients.
- This autonomic imbalance may contribute to the cardiovascular complications observed in systemic scleroderma.
- The study highlights the importance of monitoring autonomic function in SSc management.