Role of nasal saline irrigation in the treatment of allergic rhinitis in children and adults: A systematic analysis
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Keywords
Saline irrigation, Allergic rhinitis
Abstract
Background: This meta-analysis aims to access the efficacy of nasal saline irrigation in the treatment of allergic rhinitis (AR) in adults and children.
Methods: Two authors independently searched databases up to December 2018. Differences in efficacy between saline irrigation and other treatments were compared. Subgroup analyses of discrepancy in effects between children and adults were performed.
Results: (1) Saline irrigation vs. no irrigation, in both children and adults groups, saline irrigation showed significant efficacy. (2) Saline + medication vs. medication, in children group, there was no statistical difference of efficacy between saline + medication and medication; in adults group, efficacy of saline + medicine was superior to that of medication. (3) Saline irrigation vs. medication, in children group, there was no statistical difference between efficacy of saline irrigation and medication; in adults group, efficacy of medication was superior to that of saline irrigation. (4) Hypertonic saline vs. isotonic saline, for children, efficacy of hypertonic saline was superior to that of isotonic saline. Additionally, no adults reported adverse events in all trials. Adverse effects were reported during the first nasal irrigation in 20 children, and one child withdrew due to adverse reactions.
Conclusions: Saline irrigation can significantly improve symptoms of AR in children and adults. Saline irrigation can serve as a safe adjunctive treatment to medication of AR in adults. Saline irrigation can be an alternative therapy for children and pregnant women with AR. Efficacy of hypertonic saline may be better than that of isotonic saline in treating AR of children.
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