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강현주 ( Kang Hyun-Ju ) - Kangwon National University College of Nursing
남은숙 ( Nam Eun-Sook ) - Kangwon National University College of Nursing
이용미 ( Lee Yong-Mi ) - Kangwon National University College of Nursing
김명숙 ( Kim Myoung-Suk ) - Kangwon National University College of Nursing
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Abstract
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Purpose Although lavender is purported to possess anxiolytic and sedative properties and is often recommended for relieving anxiety, the efficacy of lavender has not been well established. Thus, this review aimed to evaluate the anxiolytic effects of lavender aromatherapy.
Methods Ten data bases were searched for studies published between 2000 and 2018. Randomized controlled trials investigating the anxiolytic effects of lavender aromatherapy with any type of application for persons with or without clinical anxiety were included. The outcome variables included self-rated anxiety, vital signs, and salivary cortisol and chromogranin A (CgA) levels. In the meta-analysis, standardized mean difference and 95% confidence interval were calculated as effect measures by applying the random effect model and inverse variance method.
Results Twenty-two trials met our inclusion criteria. Lavender aromatherapy was found to have favorable effects in relieving anxiety (Hedges’ ? = ?0.65; 95% CI, ?0.84 to ?0.46) and decreasing systolic blood pressure (? = ?0.22; 95% CI, ?0.43 to ?0.02), heart rate (? = ?0.53; 95% CI, ?0.74 to ?0.32), and salivary cortisol (? = ?1.29; 95% CI, ?2.23 to ?0.35) and CgA (? = ?2.29; 95% CI, ?3.24 to ?1.34) levels. However, the meta-analysis did not reveal any significant effects of lavender on diastolic blood pressure (effect size: ?0.17; 95% CI, ?0.37?0.04).
Conclusion Aromatherapy using lavender oil might have favorable effects on anxiety and its physiological manifestations. Future studies are recommended with an emphasis on methodological quality. In nursing practice, it is suggested that lavender aromatherapy be included in programs intended to manage anxiety in patients across diverse healthcare settings.
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KeyWords
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anxietyaromatherapylavandulameta-analysissystematic review
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원문 및 링크아웃 정보
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등재저널 정보
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