Efficacy of aromatherapy (Lavandula angustifolia) as an intervention for agitated behaviours in Chinese older persons with dementia: a cross‐over randomized trial
Abstract
Background: Agitated behaviours among persons with dementia are distressing to both patients and their caregivers. As pharmacological interventions may be limited by their potentially adverse effects, the use of complementary therapies for treatment of agitation has become more popular and aromatherapy is the fastest growing one. Objectives: This study investigates the effectiveness of lavandula angustifolia (lavender) in treating agitated behaviours of demented people in Hong Kong. Methods: It was a cross‐over randomized trial. Seventy Chinese older adults with dementia were recruited; half were randomly assigned to the active group (lavender inhalation) for three weeks and then switched to control group (sunflower inhalation) for another three weeks; the other half did the opposite. Clinical response was evaluated using the Chinese versions of Cohen‐Mansfield Agitation Inventory (CCMAI) and Neuropsychiatric Inventory (CNPI). Results: The mean CCMAI total scores decreased from 24.68 to 17.77(t = 10.79, df = 69, p < 0.001). The CNPI scores changed from 63.17 (SD = 17.81) to 58.77 (SD = 16.74) (t = 14.59, df = 69, p < 0.001) after receiving Treatment A (Lavandula Angustifolia). There were no period and sequential effects noted. Conclusion: In summary, lavender is effective as an adjunctive therapy in alleviating agitated behaviours in Chinese patients with dementia. In a patient population particularly vulnerable to side effects of psychotropic medications, aromatherapy using lavender may offer an alternative option. Copyright © 2007 John Wiley & Sons, Ltd.
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Aromatherapy may be beneficial to agitated patients with dementia.
“Aromatherapy may be beneficial to agitated patients with dementia [21, 27, 31].”
From Nonpharmacological Interventions to Reduce Behavioral and Psychological Symptoms of Dementia: A Systematic Review (2015) · cites this paper as [27]
Varying degrees of anosmia have been reported in people with dementia, which might lead to analytical bias.
“However, varying degrees of anosmia have been reported in people with dementia [27], which might lead to analytical bias.”
From Nonpharmacological Interventions to Reduce Behavioral and Psychological Symptoms of Dementia: A Systematic Review (2015) · cites this paper as [27]
Lavender was effective as an adjunctive therapy in alleviating agitation in patients with dementia (p < 0.001).
“lavender was effective as an adjunctive therapy in alleviating agitation in patients with dementia (p < 0.001).”
From Nonpharmacological Interventions to Reduce Behavioral and Psychological Symptoms of Dementia: A Systematic Review (2015) · cites this paper as [27]
Aromatherapy has been used to address behavioral and psychological symptoms of dementia, sleep disturbances, and to stimulate motivational behavior in people with dementia.
“Indeed, aromatherapy has been used to address BPSD (181–186) and sleep disturbances (187–189) and to stimulate motivational behavior (190).”
From The Multidisciplinary Approach to Alzheimer’s Disease and Dementia. A Narrative Review of Non-Pharmacological Treatment (2018) · cites this paper as [183]
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- Authors
- Lin, P. W., Chan, W., Ng, B. F., & Lam, L. C.
- Affiliations
- Castle Peak Hospital (CN)
- Chinese University of Hong Kong (HK)
- Corresponding author
- Lam, Linda Chiu‐wa
- Venue
- International Journal of Geriatric Psychiatry
- Publisher
- Wiley
- Published
- 2007-03-07
- Volume
- 22
- Issue
- 5
- Pages
- 405-410
- ISSN
- 0885-6230 (ISSN-L)
- 1099-1166
- OpenAlex
- W2014194200
- Cited by
- 185
- References
- 21
- Citations by year
- 2026: 5 · 2025: 6 · 2024: 12 · 2023: 5 · 2022: 7 · 2021: 9 · 2020: 13 · 2019: 10 · 2018: 15 · 2017: 13 · 2016: 8 · 2015: 12 · 2014: 10 · 2013: 13 · 2012: 8
- FWCI
- 5.23
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- International Journal of Geriatric Psychiatry (publishedVersion)
- PubMed (publishedVersion)
- The HKU Scholars Hub (University of Hong Kong) (submittedVersion)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
- Health Sciences › Medicine › Complementary and alternative medicine › Medicinal Plant Extracts Effects
- Health Sciences › Medicine › Complementary and alternative medicine › Complementary and Alternative Medicine Studies
- Keywords
- aromatherapy, lavender, Lavandula angustifolia, dementia, agitation, Chinese older adults, complementary therapy, adjunctive therapy, Cohen-Mansfield Agitation Inventory, Neuropsychiatric Inventory
- MeSH terms
- Aged, Aged, 80 and over, Complementary Therapies, Alzheimer Disease, Female, Homes for the Aged, Hong Kong, Humans, Male, Nursing Homes, Psychomotor Agitation, Treatment Outcome, Cross-Over Studies, Aromatherapy, Lavandula, Asian People
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