The Effect of Rose Water Inhalation on Cardiac Parasympathetic Activity
Journal Title: International Journal of Medical and Health Sciences - Year 2012, Vol 1, Issue 3
Abstract
Objectives: Olfactory stimulus can affect the autonomic balance via communicating neural pools of central nervous system. Rose water affects the autonomic balance and is used in traditional medicine. Methods: This self-control clinical trial study was conducted in 32 volunteer male college students (all were free from cardiac, respiratory and olfactory diseases, nonsmoker and had no drug history).Using 1 kHz sampling rate, ECG was recorded. After five minute adaptation period, the heart rate variability (HRV) was calculated and was compared for two minute periods before and after the inhalation of rose water odor. Results: The mean of four criteria including the high and low frequencies (HF, LF) in normalized units (nu), their ratio (LF/HF) and the heart velocity before and after the rose water exposure were as follow respectively: 35.74±2.68 and 56.42±3.12, 48.92±4.26 and 28.88±3.43, 1.362±0.32 and 0.516±0.14, 85.35±3.64 and 82.08±2.92. Conclusion: In effect of 120 seconds rose water odor inhalation parasympathetic tone (HF) increased and heart rate (HR) and sympathetic tone (LF/HF) decreased. Differential and direct parasympathetic modulation may account for part of this effect.
Authors and Affiliations
S. Mehran Hosseini, Mohsen Jamshir
Keywords
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