See, stats, and : https : / / www . researchgate . net / publication / 11375498 Lavender behaviour : A controlled Article DOI : 10 . 1002 / gps . 593 : PubMed CITATIONS 110 READS 931 6 , including : David National 109 , 936 SEE All - text , letting . Available : David Retrieved : 22 SUMMARY Objective To determine whether aromatherapy with lavender oil is effective in the treatment of agitated behaviour in patients with severe dementia . Design A placebo controlled trial with blinded observer rater . Setting A long - stay psychogeriatric ward . Patients Fifteen patients meeting ICD - 10 diagnostic criteria for severe dementia and suffering from agitated behaviour defined as a minimum score of three points on the Pittsburgh Agitation Scale (PAS) . Intervention A 2% lavender oil aromatherapy stream was administered on the ward for a two hour period alternated with placebo (water) every other day for a total of ten treatment sessions . Assessments For each subject 10 total PAS scores were obtained . Five during treatment and five during placebo periods . Results Nine patients (60%) showed an improvement , five (33%) showed no change and one patient (7%) showed a wor - sening of agitated behaviour during aromatherapy compared with placebo . A comparison of the group median PAS scores during aromatherapy showed a significant improvement in agitated behaviour during aromatherapy compared with placebo (median PAS scores 3 c . f . 4 ; Wilcoxon Signed - Ranks test p ¼ 0 . 016 (one - tailed)) . Conclusions Lavender oil administered in an aroma stream shows modest efficacy in the treatment of agitated behaviour in patients with severe dementia .
Holmes, C., Hopkins, V., Hensford, C., MacLaughlin, V., Wilkinson, D., & Rosenvinge, H. (2002). Lavender oil as a treatment for agitated behaviour in severe dementia: A placebo controlled study. International Journal of Geriatric Psychiatry, 17(4), 305–308. https://doi.org/10.1002/gps.593