Student Research Committee, Razi Faculty of Nursing and Midwifery, Kerman University of Medical Sciences, Kerman, Iran.
Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran.
Biomed Res Int. 2021 Jun 15;2021:5565956. doi: 10.1155/2021/5565956. eCollection 2021.
Conscious patients admitted to intensive care units (ICU) suffer from anxiety and agitation for various reasons, which can affect their recovery processes.
To compare the effects of lavender and Citrus aurantium essential oils on anxiety and agitation of conscious patients admitted to ICUs.
A randomized parallel placebo-controlled trial.
One hundred and fifty conscious patients admitted to ICUs were selected by convenience sampling and were randomly divided into three groups, groups of lavender aromatherapy and Citrus aurantium aromatherapy, in addition to the routine care and inhalation of five drops of lavender or Citrus aurantium essential oils for 30 minutes. The placebo group, in addition to routine care, was provided with 5 drops of normal saline for 30 minutes. Anxiety was assessed with the state subscale of State-Trait Anxiety Inventory, and agitation was examined with Richmond Agitation-Sedation Scale before, immediately, one hour, and three hours after the intervention.
All three groups suffered from relatively severe state anxiety before the intervention. The level of anxiety in the lavender and Citrus aurantium groups was significantly lower than that of the placebo group immediately and three hours after the intervention ( < 0.05). No significant difference was observed between the two groups of lavender and Citrus aurantium. The majority of the samples in all three groups were agitated before the intervention, but agitation of all three groups decreased after the intervention. Restless/agitation reduced significantly in all three groups. Although restless/agitation of the lavender and Citrus aurantium groups reduced more than that of the placebo, no significant difference was found between the three groups.
The results of the present study showed the positive effects of lavender aromatherapy and Citrus aurantium aromatherapy on reducing the anxiety of patients admitted to ICUs. . Aromatherapy can be used as an effective and safe intervention to reduce anxiety in ICUs.
入住重症监护病房（ICU）的有意识患者因各种原因会感到焦虑和躁动，这会影响他们的康复过程。
比较薰衣草和柑橘精油对入住 ICU 的有意识患者焦虑和躁动的影响。
随机平行安慰剂对照试验。
采用便利抽样法选取 150 名入住 ICU 的有意识患者，随机分为三组，即薰衣草芳香疗法组、柑橘芳香疗法组和安慰剂组，除常规护理外，还分别吸入薰衣草或柑橘精油 5 滴，持续 30 分钟。安慰剂组除常规护理外，给予生理盐水 5 滴，持续 30 分钟。在干预前、干预即刻、干预后 1 小时和 3 小时使用状态特质焦虑量表的状态分量表评估焦虑，使用 Richmond 躁动-镇静量表评估躁动。
三组患者在干预前均存在较为严重的状态焦虑，薰衣草组和柑橘组在干预即刻和干预后 3 小时的焦虑水平显著低于安慰剂组（<0.05），但两组之间无显著差异。三组患者在干预前多数处于躁动状态，但干预后均有所改善。三组患者均表现为不安/躁动减少，虽然薰衣草组和柑橘组的不安/躁动减少程度大于安慰剂组，但三组之间无显著差异。
本研究结果表明，薰衣草芳香疗法和柑橘精油芳香疗法对降低入住 ICU 患者的焦虑有积极作用。芳香疗法可以作为一种有效且安全的干预措施，降低 ICU 患者的焦虑。
