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Abstract Title:

[Effects of aromatherapy on changes in the autonomic nervous system, aortic pulse wave velocity and aortic augmentation index in patients with essential hypertension].

Abstract Source:

J Korean Acad Nurs. 2010 Oct;40(5):705-13. PMID: 21157172

Abstract Author(s):

Jung Hee Cha, Sun Hee Lee, Yang Sook Yoo

Article Affiliation:

Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.

Abstract:

PURPOSE: To investigate the effectiveness of aromatherapy on blood pressure, heart rate variability, aortic pulse wave velocity and the aortic augmentation index of essential hypertensive patients.

METHODS: Using a coin toss, 22 participants were assigned to the experimental group and 20 to the control. The experimental group was given a blend of oils of lemon (Citrus limonum), lavender (Lavandula angustifolia), and ylang ylang (Cananga odorata) which were prepared in the ratio of 2:2:1, respectively. The control group was given an artificial lemon fragrance of Limonene (35 cc) and Citral (15 cc) mixture. The experiment, inhalation, was conducted for 3 weeks (2 min per inhalation, 2 times per day) to both groups.

RESULTS: There was a noticeable difference in systolic blood pressure between the groups (p=.001), however the difference in diastolic blood pressure between the two groups was not significant. There was a notable difference in sympathetic nerve system activity of heart rate variability (p=.047). However, the differences in aortic pulse wave velocity or the aortic augmentation index were not significant.

CONCLUSION: Aromatherapy is effective in lowering systolic blood pressure and sympathetic nerve system activity.

Study Type : Human Study

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