SynthesisSleep & breathing = Schlaf & Atmung2024
The effectiveness of aromatic extract on insomnia: a meta-analysis.
Synthesis in Sleep & breathing = Schlaf & Atmung, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
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Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeInsomnia is a global health issue that imposes social and economic burdens. Aromatherapy is regarded as a promising alternative medicine for improving sleep quality. This meta-analysis was conducted to explore the potential of aromatherapy for addressing insomnia.
methodsSeven databases were searched for relevant randomized controlled trials (RCTs) from their inception through August 12, 2023. Data were synthesized using random-effect pairwise meta-analysis, with standardized mean difference (SMD) and 95% confidence interval (CI) reported. The risk of bias of each RCT was appraised using the Cochrane risk of bias tool. Subgroup and sensitivity analysis, publication bias diagnosis were also performed.
resultsA total of 14 studies with 1043 participants were included. The meta-analysis revealed a significant difference between the intervention and control groups (SMD: -1.63, 95% CI: -2.20 to -1.04). Sensitivity analysis showed that, whichever study was omitted, the conclusions of the remaining studies did not reverse. Among the 14 RCTs included, 6 were deemed to have a low overall risk of bias, and 8 were found to have some concerns. Subgroup analysis revealed that Iran had a more significant therapeutic effect than other regions. The effects of rose and citrus aurantium are more obvious than those of lavender. The different treatments in the control groups, intervention durations and sleep quality questionnaires had impacts on therapeutic effects, while discrepancies were not significant for different health conditions.
conclusionAromatic essential oil has a significant therapeutic effect on insomnia. Further research on the mechanisms and guidelines for implementing aromatherapy is needed. This meta-analysis has been registered in PROSPERO with the ID CRD42023454070.
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Registered trials
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