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J Clin Med. 2019 Jan 9;8(1). pii: E64. doi: 10.3390/jcm8010064.

Effectiveness of Hypertonic Saline Nasal Irrigation for Alleviating Allergic Rhinitis in Children: A Systematic Review and Meta-Analysis.

Author information

1
Department of Nursing, Hsinchu MacKay Memorial Hospital, Hsinchu 30071, Taiwan. m414@mmh.org.tw.
2
School of Nursing, National Yang-Ming University, Taipei 11221, Taiwan. m414@mmh.org.tw.
3
Department of Nursing, Hsinchu MacKay Memorial Hospital, Hsinchu 30071, Taiwan. 6996@mmh.org.tw.
4
Department of Pediatrics, Hsinchu MacKay Memorial Hospital, Hsinchu 30071, Taiwan. mmhped.lin@gmail.com.
5
Department of Emergency Medicine, Taipei Veterans General Hospital, Taipei 11217, Taiwan. robert.tfhsu@gmail.com.
6
Institute of Clinical Nursing, School of Nursing, National Yang-Ming University, Taipei 11221, Taiwan. robert.tfhsu@gmail.com.

Abstract

We aimed to explore the efficacy of hypertonic saline nasal irritation (HSNI) for improving nasal symptoms and quality of life, and for decreasing oral antihistamine consumption in children with allergic rhinitis (AR). We conducted a systematic search of PubMed, Medline, Cumulative Index to Nursing and Allied Health Literature, EMBASE, Chinese Electronic Periodicals Service, and Cochrane Library of Controlled Trials databases for prospective randomized, controlled trials assessing HSNI effects in children with AR and published before December 2017. Two authors independently assessed each trial's quality and extracted data for a meta-analysis. We included four trails comprising 351 patients. HSNI improved patients' nasal symptom scores (mean difference 1.82 points after treatment; 95% confidence interval (CI), 0.35⁻3.30; I² = 64%; p = 0.02) and a significantly lower rescue antihistamine use rate (risk ratio (RR), 0.68; 95% CI, 0.48⁻0.95; I² = 28%; p = 0.02). Analyses comparing HSNI with isotonic saline nasal irrigation (ISNI) showed better nasal symptom scores (mean difference, 1.22 points; 95% CI, 1.01⁻1.44; I² = 0%; p < 0.001) in patients in the HSNI group, although the antihistamine use (RR, 0.84; 95% CI, 0.64⁻1.10; I² = 0%; p = 0.2) and adverse effect rates were similar between groups. Compared with ISNI, HSNI may be a reasonable adjunctive treatment for children with AR.

KEYWORDS:

allergic rhinitis children; hypertonic saline nasal irrigation; nasal irrigation; nasal symptom

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