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Impact of topical nasal steroid therapy on symptoms of nasal polyposis: a meta-analysis.

Laryngoscope 2012 July
OBJECTIVES/HYPOTHESIS: Topical steroid therapy is an important strategy in the management of chronic rhinosinusitis (CRS) with nasal polyposis. The objective of this study was to determine the impact of topical steroid therapy on nasal symptoms in patients with nasal polyposis.

STUDY DESIGN: Systematic review with meta-analysis using standardized methodology.

METHODS: Study inclusion criteria included: randomized, placebo controlled trials, nasal polyposis, and topical steroid therapy. Exclusion criteria included: failure to report at least one symptom-based outcome measure, concurrent use of systemic steroids, or mixed CRS cohorts (polyp and nonpolyp patients). Quantitative analysis was performed using a random effect model. The PRISMA guidelines for meta-analysis reporting were followed.

RESULTS: A total of 19 studies fulfilled eligibility. Seven studies were excluded from the meta-analysis due to significant heterogeneity in outcome reporting. A total of 12 studies were combined for quantitative analysis and demonstrated a pooled risk ratio of 1.72 (95% confidence interval, 1.41-2.09), indicating a significant improvement in nasal symptoms. All three topical steroid preparations (fluticasone, mometasone, and budesonide) resulted in symptom improvement. All seven studies excluded from the meta-analysis qualitatively confirmed the overall findings.

CONCLUSIONS: Topical nasal steroid therapy improves nasal symptoms in CRS patients with nasal polyposis. Future studies will need to evaluate the impact on quality of life, preferably using validated disease-specific instruments.

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