• Korean Journal of Adult Nursing
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• v.20 no.5
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• pp.756-764
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• 2008

Purpose: The purpose of this study was to examine the effects of aromatherapy on dysmenorrhea, menstrual pain, anxiety, and depression in female college students. Methods: A two-group cross-over design was used. The sample included a total of 20 female students who were enrolled in a 3 year nursing program. The treatments(aroma essential oil inhalation and the placebo inhalation) were given using a necklace. The data were analyzed by $x^2$-test, paired t-test, and Mann-Whitney test using SPSS/WIN 12.0 program. Results: The level of dysmenorrhea after the aroma treatment was not significantly different from the dysmenorrhea levels at pre-test and after the post-placebo treatment. The menstrual pain, anxiety and depression significantly improved after the aroma treatment. However, the levels of pain, anxiety, and depression after the aroma treatment were not significantly different from those after the placebo treatment. Conclusion: Aroma inhalation may be a effective in managing menstrual pain, anxiety, and depression. In order to further clarify the effect of aroma treatment on discomfort during menstruation, replication studies are necessary. Future studies need to examine the effects of different types of essential oils, administrating methods, and the lasting time of aroma treatment effect.

• Journal of Korean Biological Nursing Science
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• v.11 no.1
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• pp.32-41
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• 2009

Purpose: This study was to identify the effects of aroma inhalation therapy on heart rate variability and anxiety in the context of urodynamics study. Method: The data were collected from 64 patients who were receiving urodynamics at the C University Medical Center in Seoul, 23 in the experimental group, 22 in the placebo group and 19 in the control group. In the experiment, the subjects of the experimental group inhaled a mixture of lavender and bergamot for 5 min, the subjects of the placebo group inhaled geranyl acetate oil for 5 min and the subjects of the control group relaxed for 5 min. The instruments used in this study included the state anxiety inventory and heart rate variability. Result: The score of state anxiety was no significant differences between the three groups after aroma-inhalation. Also, the sympathetic nerve activity and parasympathetic nerve activity was no significant differences between the three groups after aroma-inhalation. Autonomic nerve balance was maintained significantly in the experimental group as compared to the control groups after aroma-inhalation. Conclusion: The aroma inhalation therapy was very effective in balancing the autonomic nervous system in the patients undergoing urodynamic study.

• Proceedings of the PSK Conference
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• 2003.04a
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• pp.273.2-274
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• 2003

The present study was designed to evaluate central inhibitory effects of an essential oil from Acori graminei Rhizoma (AGR), the dry rhizomes of Acorus gramineus Solander (Araceae) upon fragrance inhalation (aroma therapy). Preinhalation of an essential oil of AGR markedly delayed the appearance of pentylenetetrazole-induced convulsion. Furthermore, the inhalation of an essential oil of AGR impressively inhibited the activity of ${\gamma}$-aminobutyric acid (GABA) transaminase, a degradating enzyme for GABA as inhalation period is lengthened. (omitted)

• Korean Journal of Adult Nursing
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• v.22 no.1
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• pp.31-40
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• 2010

Purpose: The purpose of this study was to examine whether there is difference in the effects of aromatherapy on dysmenorrhea by research design. Methods: Findings from the two different research designs (Nonequivalent control group pretest-posttest [NCG] design vs. two-group crossover design) were compared in regard to the effect of aromatherapy on dysmenorrhea. The subjects of the NCG design and the crossover design were a total of 58 female nursing students. The treatments (aroma essential oil inhalation and carrier oil inhalation) were given using a necklace. The data were analyzed by Fisher's exact test, t-test, Mann-Whitney test, paired t-test, and Shapiro-Wilk test using the SPSS/WIN 12.0 program. The effect size for the two research designs was calculated. Results: In both research designs, the level of dysmenorrhea and menstrual pain after the aroma treatment were not significantly different from those after the placebo treatment. The effect size of the NCG design was higher than that of the crossover design. Conclusion: Aroma inhalation may not be effective in managing dysmenorrhea and menstrual pain. In order to further clarify the efficiency of research design and the effect of aromatherapy on discomfort during menstruation, replication studies are necessary. Future studies need to examine the effects of different research design on non-interval variables.

• Women's Health Nursing
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• v.9 no.1
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• pp.70-79
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• 2003

The purpose of this study was to investigate the effects of Aromatherapy, inhalhtion method using Clarysage essential oil on stress in middle-age women. The study design was a one-group pretest-posttest design. The subject were 44 middle-age women with stress in inhalation method of Clarysage essential oil was 2 drops of oil on tissue at 10, 14, 18, before bed for 2 weeks. The study was carried out from August 1 to September 20, 2002. The scale used in the study was the stress scale of Park, Sun Young(1999). The study data was analyzed by frepuency, percent age and t-test using SPSS Win 10.0 program. Result were as follows : 1. The score of physical stress scale was significantly decresed after use of inhalation of Clarysage essential oil. 2. The score of psychological stress scale was significantly decresed after use of inhalation of Clarysage essential oil. In conclusion, the results of this study suggest that inlalation method using Clarysage essential oil is positively supported in stress reduction in middle-aged women.

• Journal of East-West Nursing Research
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• v.18 no.2
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• pp.74-80
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• 2012

Purpose: The purpose of this study is to evaluate the effects of Lavender inhalation on sleep, depression and stress of institutionalized elderly. Methods: The methods used in the study follows a non-equivalent pre- and post-test design. 39 institutionalized elderly were recruited using a convenient sampling method that assigned them to the experimental or the control group. The experimental group were then provided with essential Lavender oil, as part of the aroma inhalation intervention, to inhale before sleeping for 7 days. The collected data were analysed with SPSS 18.0 (windows program), using frequency percentage (%), a Chi-square test and an independent t-test. Results: The results were that the experimental group had significantly higher sleep status scores(t=5.195, p=.000), and lower depression scores (t=-5.479, p=.000), physical stress scores (t=-5.741, p=.000) and psychological stress scores (t=-4.233, p=.000) than those in the control group. Conclusion: This study suggests that aroma inhalation, as part of aroma therapy, be applied and comprehensively adopted as a method of nursing intervention for improvement of sleep, depression and stress for institutionalized elderly.

• Journal of Korean Academy of Fundamentals of Nursing
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• v.18 no.1
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• pp.54-62
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• 2011

Purpose: The purpose of this study was to test the effects of aroma inhalation on subjective quality of sleep, state anxiety, and depression of mothers who underwent a Cesarean section delivery. Methods: This study was designed as a nonequivalent control group quasi-experimental study based upon data acquired through a pre-post test. The experimental group (n=33) was given general obstetric nursing care plus dry inhalation method using lavender essential oil, in which each mother put one drop on a tissue and breathe near it for 5 minutes before going to bed. Then they put 1~2 drops on their pillow for 6 nights. The control group (n=34) was only given general obstetric nursing care. Data were collected using a questionnaire for measures of subjective quality of sleep, state anxiety, and depression by self-report. ${\chi}^2$-test, Fisher's exact test, t-test, and ANCOVA with SPSS/Win12.0 were used to analyze the data. Results: There were significant differences in subjective quality of sleep (p<.001), state anxiety (p=.049) and depression (p=.029). Conclusion: The results suggest that aroma inhalation method can be an effective nursing intervention to improve quality of sleep and decrease anxiety and depression in postpartum mothers suffering from stress related to a Cesarean section delivery.

• Journal of Internet of Things and Convergence
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• v.9 no.2
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• pp.33-40
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• 2023

This study was aimed at examining the effects of aroma blending oil inhalation on academic stress and class concentration in nursing students. The research design was a nonequivalent placebo control group nonsynchronized. The subjects of the study were 24 students in the treatment group and 24 placebo control group. Data collection was from November 4, 2022 to December 3, 2022, and the data were analyzed chi-square test, independent t-test, paired t-test using the SPSS 23.0 Program. The treatment group inhaled aroma blending oil for 10 days showed a significant decrease in academic stress (t=-8.79, p<.001) and a significant increase in class concentration (t=24.44, p<.001).

• Women's Health Nursing
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• v.23 no.1
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• pp.33-41
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• 2017

Purpose: The purpose of this study was to investigate the effect of aroma inhalation therapy on stress, anxiety, depression, and an autonomic nervous system reaction in high-risk hospitalized pregnant women. Methods: A quasiexperimental study used a non-equivalent control group non-synchronized design. Fifty high-risk hospitalized pregnant women were selected as participants on delivery room and maternity ward at university hospital. Twenty-five were selected for the experimental group while 25 were assigned to a control group. Neroli essential oil was used for aroma therapy and was already identified as not being hazard to pregnant women. It provided emotional stability from previous study. The participants inhaled Neroli 2 minutes, 3 times (9 am to 10 am, 4 pm to 5 pm, just before sleep) a day. A total of 15 sessions were held from the day of the preliminary investigation. Pre and post written survey and measuring an autonomic nervous system reaction were collected from both groups. Results: The data were analyzed by $x^2$ test, t-test, and paired t-test. There was a statistically significant difference in stress (t=-3.98, p<.001) between the experimental group and the control group. Conclusion: These findings indicate that aroma inhalation therapy is effective as a nursing intervention for the stress relief of hospitalized high-risk pregnant women.

• Journal of Society of Preventive Korean Medicine
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• v.25 no.2
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• pp.45-60
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• 2021

Objective : This study was aimed to review randomized controlled trials (RCTs) about whether aromatherapy relieves stress. Method : We searched document about criteria to use words like 'Aroma', 'Oil' and 'Stress'. The study included 24 RCTs which were selected by total 167 studies searched in Korean Journal by searching OASIS, ScienceON, KISS, RISS. Cases that cannot be performed alone are excluded. Results : We got 24 domestic standard documents. Of the 24 studies, 14 were for students, and 6 were for patients receiving hospital treatment. Among the 7 treatments, dry-inhalation was used 13 times, and necklace-inhalation was used 9 times. Of the 24 Studies, lavender oil was used 19 times and sweet orange was used 4 times. Among the 28 types of measuring instruments used, 10 related to the autonomic nervous system and 8 STAIs and VASs were used respectively. Conclusion : It was possible to conclude that aromatherapy was effective in relieving stress. Through further research, it is necessary to study effective oil mixing methods, methods for measuring subjective stress, multimodal intervention, and effective intervention periods.