The Effects of Nasal Surgery on Pulmonary Function: A Systematic Review and Meta‐Analysis

Author:

Baharmand Iman1ORCID,Sheikh‐Oleslami Sara1,Pascual Rodríguez Athenea23,Hernaiz‐Leonardo Juan Carlos23ORCID,Alim Bader M.23ORCID,Javer Amin R.23ORCID

Affiliation:

1. Faculty of Medicine University of British Columbia Vancouver British Columbia Canada

2. Division of Otolaryngology‐Head and Neck Surgery University of British Columbia Faculty of Medicine Vancouver British Columbia Canada

3. St. Paul's Sinus Centre University of British Columbia Vancouver British Columbia Canada

Abstract

ObjectiveA deviated nasal septum (DNS) can result in an anatomical obstruction and impact lung function through prolonged suboptimal inspiration. Given the improvements in respiration reported by patients following septoplasty or septorhinoplasty (with or without inferior turbinate reduction), our study investigated the effect of these procedures on pulmonary function through a systematic review and meta‐analysis.Data SourcesMedline, Embase, Cochrane Databases, Web of Science, and Google Scholar.Review MethodsThe review was registered with PROSPERO [CRD42022316309]. The study population was composed of adult patients (18–65) who were symptomatic with confirmed DNS. Extracted outcomes (pre‐operative versus postoperative) included the six‐minute walk test (6MWT) and pulmonary function tests (FEV1, FVC, FEV1/FVC, FEF25‐75, PEF). Meta‐analyses were performed using a random‐effects model.ResultsThree studies included measures of the 6MWT in meters and all three found a statistically significant increase in the distance walked after surgery with a mean difference of 62.40 m (95% CI 24.79–100.00). Statistically significant improvements in PFT outcomes were observed with a standard mean difference of 0.72 for FEV1 (95% CI 0.31–1.13), 0.63 for FVC (95% CI 0.26–1.00), and 0.64 for PEF (95% CI 0.47–0.82). Of the twelve studies which measured PFT outcomes, six showed statistically significant improvements, three studies showed mixed results, and three studies found no difference in PFT outcomes between pre‐and post‐surgery testing.ConclusionsThe present study suggests that pulmonary function does improve after nasal surgery for DNS, but the high heterogeneity observed in the meta‐analyses indicates that the evidence supporting this conclusion is low. Laryngoscope, 133:2837–2845, 2023

Publisher

Wiley

Subject

Otorhinolaryngology

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