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Impact of Adjuvant Medical Therapies on Surgical Outcomes in Idiopathic Subglottic Stenosis

  • North American Airway Collaborative

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives/Hypothesis: Adjuvant medications including proton pump inhibitors (PPI), antibiotics (trimethoprim/sulfamethoxazole [TMP-SMX]), and inhaled corticosteroids (ICS) may be prescribed for patients with idiopathic subglottic stenosis (iSGS). We describe medication use with endoscopic dilation (ED) or endoscopic resection with medical treatment (ERMT) and evaluate impact on outcomes. Study Design: International, prospective, 3-year multicenter cohort study of 810 patients with untreated, newly diagnosed, or previously treated iSGS. Methods: Post hoc secondary analysis of prospectively collected North American Airway Collaborative data on outcomes linked with adjuvant medication utilization. Primary outcome was time to recurrent operation, evaluated using Kaplan–Meier curves and Cox regression analysis. Secondary outcomes of change in peak expiratory flow (PEF) and clinical chronic obstructive pulmonary disease questionnaire (CCQ) score over 12 months were compared. Results: Sixty-one of 129 patients undergoing ED received PPI (47%), and 10/143 patients undergoing ED received ICS (7%). TMP-SMX was used by 87/115 patients (76%) undergoing EMRT. PPI use in the ED group did not affect time to recurrence (hazard ratio [HR] = 1.00, 95% confidence interval [CI]: 0.53–1.88; P =.99) or 12-month change in PEF (L/min) (median [interquartile range], 12.0 [10.7–12.2] vs. 8.7 [−5.1 to 24.9]; P =.59), but was associated with 12-month change in CCQ (−0.05 [−0.97 to 0.75] vs. −0.50 [−1.60 to 0.20]; P =.04). ICS did not affect outcome measures. TMP-SMX use in ERMT did not affect time to recurrence (HR = 0.842, 95% CI: 0.2345–3.023; P =.79), PEF at 12 months (75 [68–89] vs. 81 [68–89]; P =.92), or 12-month change in CCQ (0.20 [−1.05 to 0.47] vs. −0.30 [−1.00 to 0.10]; P =.45). Conclusion: There is no standard practice for prescribing adjuvant medications. These data do not support that adjuvant medications prolong time to recurrence or increase PEF. Patients with iSGS and gastroesophageal reflux disease may experience some symptom benefit with PPI. Level of Evidence: 3 Laryngoscope, 131:E2880–E2886, 2021.

Original languageEnglish (US)
Pages (from-to)E2880-E2886
JournalLaryngoscope
Volume131
Issue number12
DOIs
StatePublished - Dec 1 2021

Funding

This work was funded by grant 1409‐22214 from the Patient Centered Outcomes Research Institute. Dr Gelbard is also supported by grant R01HL146401‐01 from the NIH National Heart, Lung, and Blood Institute. Dr Francis is also supported by grant R01CA251566‐01 from the National Cancer Institute, NIH and R21016724‐01 from the National Institute for Deafness and Communication Disorders, NIH.

FundersFunder number
Author National Institutes of Health National Institutes of Health National Institutes of Health National Institutes of Health The Bev Hartig Huntington's Disease Foundation National Institutes of HealthR21016724‐01
National Institute of Health National Heart, Lung, and Blood InstituteR01HL146401, R01CA251566‐01
National Institute of Health-National Cancer Institute
National Institute on Deafness and Other Communication Disorders R01DC012546 Xue Zhong Liu National Institute on Deafness and Other Communication Disorders R01DC012115 Xue Zhong Liu National Institute on Deafness and Other Communication Disorders R01DC014427 Ulrich Müller Peter G Barr-Gillespie National Institute on Deafnessand Other Communication Disorders R01DC005965 Ulrich Müller National Institute on Deafness and Other Communication Disorders

    Keywords

    • Idiopathic subglottic stenosis
    • adjuvant medical treatment
    • endoscopic dilation
    • endoscopic resection with medical therapy
    • inhaled corticosteroid
    • proton pump inhibitor
    • trimethoprim-sulfamethoxazole

    ASJC Scopus subject areas

    • Otorhinolaryngology

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