• 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.

• 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 Academy of Nursing
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• v.39 no.3
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• pp.357-365
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• 2009

Purpose: This study was done to examine the effects of aromatherapy on stress and stress responses in adolescents. Methods: A two-group cross-over design was used for this study. The experimental treatment was aroma essential oil inhalation and the placebo treatment was carrier oil inhalation using a necklace. The sample included 36 female high school students. Fisher's exact test, t-test, and paired t-test using SPSS/WIN program were used to analyze the data. Results: Stress levels were significantly lower when the students received the aroma treatment compared to when they received the placebo treatment. The stress responses except salivary IgA levels were significantly lower when the students received the aroma treatment. Conclusion: Aroma inhalation could be a very effective stress management method for high school students. Therefore, it is recommended that this program be used in clinical practice as an effective nursing intervention for high school students.

• Journal of Korean Biological Nursing Science
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• v.14 no.1
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• pp.41-48
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• 2012

Purpose: This experimental research explored the effects of aroma inhalation on blood pressure, pulse, sleep, stress, and anxiety in patients with essential hypertension who are taking antihypertensive medication. Methods: A pilot survey, pre-test and post-test were conducted. The data were collected from August to October, 2009. The participants were 44 patients randomly assigned to an experimental group (22 people) and a control group (22 people). The experimental group received individual instruction for aroma inhalation, which lasted for 3 minutes. They inhaled blended oils of Lavender, Majoram and Ylang Ylang (The mixed ratio was 4:3:3), three times a day, for two weeks. Data from 36 patients were used for the final analysis (20 from the experimental group, 16 from the control group). Data were analyzed using SPSS version 13.0. Results: Sleep disturbance decreased in the experimental group (t=-2.258, $p$=.030). Blood pressure, pulse, stress, and anxiety were not significantly different between the two groups ($p$ >.05). Additional analysis of the experimental group showed that physical stress and psychological stress were significantly lowered. Conclusion: Aroma inhalation is an effective paramedical intervention for patients with essential hypertension.

• Journal of Digital Convergence
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• v.14 no.12
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• pp.633-644
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• 2016

The purpose of this study was to examine the effect of phytoncide Aroma inhalation and exercise combination therapy on the college life stress, mood state and sleep pattern of the university students. Participants were 72 college students of four groups of Phytoncide Aroma Inhalation group(n=18), Exercise group(n=17), Phytoncide Aroma Inhalation and exercise combination therapy group(n=17), control group(n=20). Research subjects pre-test(0week), mid-test(6week), post-test(12week) measurement was made equally on college life stress, mood state and sleep pattern. As a result, mood status, college life satisfaction and sleep scores were improved in all groups except the control group. Especially, phytoncide inhalation and exercise combination therapy group showed the greatest change in scores.

• The Journal of the Convergence on Culture Technology
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• v.4 no.2
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• pp.171-178
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• 2018

The study was done to analyze the effects of aroma inhalation method on preoperative anxiety of upper and lower surgical patients. The research design was a nonequivalent control group non-synchronized design. The subjects were a total 60 patients of each group 30 patients that were operated on under general anesthesia for upper and lower limbs surgery. The tool of the Amsterdam preoperative anxiety information scale(APAIS), systolic and diastolic blood pressure, and pulse rate levels was measured the day before surgery. The data were analyzed by the $x^2$ test Fisher's exact test, paird t-test, and the independent t-test using SPSS 20.0. Study result indicated that Lavender aroma therapy had the effect on reduction of anxiety before surgery and reduction of blood pressure, and pulse rate levels. Therefore, the study result could be used as a scientifical data that can be applied to the nursing interventions that use the aroma inhalation method and contributing to development of the holistic nursing care.

• Journal of Korean Academy of Nursing
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• v.46 no.6
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• pp.769-779
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• 2016

Purpose: This study was an experimental study to compare the inhalation effects of aroma essential oil on the quality of sleep (QOS) for shift nurses after working nights. Methods: The participants were 60 healthy adults who didn't have any disease. As an experimental treatment, the participants in the experimental group were asked to inhale essential oil for 3 minutes at a distance of approximately 10 cm from their nose and then they were asked to sleep with the aroma stone beside their head (within a 30 cm distance). QOS were measured four times on Pretest, Day 1, Day 2, and Day 3 after they slept. To measure QOS, Perceived QOS (Numeric Rating Scale), the Verran & Synder-Halpern (VSH) Sleep Scale were used, and number of awakenings (NoA) was measured by Actigraph. Results: There were no significant differences in the homogeneity tests for general characteristics and dependent variables prior to the experiments, except for VSH of subjective sleep quality. Also, there was no significant interaction between group and time. The VSH of the experimental group was higher than the control group (F=6.39, p=.002). The NoA between the experimental group and the control group was significantly different after experimental treatment 3rd day (F=13.35, p=.001). Conclusion: The findings show that the inhalation of aroma essential oil had effects to increase the quality of sleep. Therefore, the inhalation of aroma essential oil could be applied to general nursing interventions to improve the quality of sleep.

• 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 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.