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Cryosurgical ablation for treatment of rhinitis: A prospective multicenter study.

ABSTRACT: OBJECTIVE:To assess the efficacy and safety of cryoablation of the posterior nasal nerve (PNN) for treatment of chronic rhinitis. METHODS:This was a prospective single-arm trial of 98 adult patients at six U.S. centers with chronic allergic and nonallergic rhinitis. PNN cryoablation was performed in-office under local anesthesia using a handheld device. Patients discontinued use of intranasal ipratropium 3?days prior to treatment and throughout the study period. Reflective Total Nasal Symptom Score (rTNSS) was measured at pretreatment baseline and posttreatment at 1 month, 3 months, 6 months, and 9 months. The Rhinoconjunctivitis Quality of Life Questionnaire (RQLQ) was completed at pretreatment and 3 months posttreatment. Adverse effects and postprocedure medication usage were recorded. RESULTS:Ninety-eight procedures (100%) were successfully completed. rTNSS significantly improved over pretreatment baseline (6.1?±?1.9) at 1 month (2.9?±?1.9, P?

SUBMITTER: Chang MT

PROVIDER: S-EPMC7384004 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Cryosurgical ablation for treatment of rhinitis: A prospective multicenter study.

Chang Michael T MT Song Sunhee S Hwang Peter H PH

The Laryngoscope 20190930 8

<h4>Objective</h4>To assess the efficacy and safety of cryoablation of the posterior nasal nerve (PNN) for treatment of chronic rhinitis.<h4>Methods</h4>This was a prospective single-arm trial of 98 adult patients at six U.S. centers with chronic allergic and nonallergic rhinitis. PNN cryoablation was performed in-office under local anesthesia using a handheld device. Patients discontinued use of intranasal ipratropium 3 days prior to treatment and throughout the study period. Reflective Total N ...[more]

PMID: 31566744

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Project description:IntroductionVertebral endplates, innervated by the basivertebral nerve (BVN), are a source of chronic low back pain correlated with Modic changes. A randomized trial comparing BVN ablation to standard care (SC) recently reported results of an interim analysis. Here, we report the results of the full randomized trial, including the 3-month and 6-month between-arm comparisons, 12-month treatment arm results, and 6-month outcomes of BVN ablation in the former SC arm.MethodsProspective, open label, 1:1 randomized controlled trial of BVN ablation versus SC in 23 US sites with follow-up at 6 weeks, 3, 6, 9, and 12 months. SC patients were re-baselined and followed up for 6 months post BVN ablation. The primary endpoint was the between-arm comparison of mean Oswestry Disability Index (ODI) change from baseline. Secondary endpoints were Visual Analog Scale (VAS), Short Form (SF-36), EuroQual Group 5 Dimension 5-Level Quality of Life (EQ-5D-5L), responder rates, and rates of continued opioid use.Results140 were randomized. Results from BVN ablation (n=66) were superior to SC (n=74) at 3 months for the primary endpoint (mean ODI reduction, difference between arms of -20.3 (CI -25.9 to -14.7 points; p<0.001)), VAS pain improvement (difference of -2.5 cm between arms (CI -3.37 to -1.64, p<0.001)) and quality of life outcomes. At 12 months, basivertebral ablation demonstrated a 25.7±18.5 point reduction in mean ODI (p<0.001), and a 3.8±2.7 cm VAS reduction (p<0.001) from baseline, with 64% demonstrating ≥50% reduction and 29% pain free. Similarly, the former SC patients who elected BVN ablation (92%) demonstrated a 25.9±15.5 point mean ODI reduction (p<0.001) from baseline. The proportion of opioid use did not change in either group (p=0.56).Discussion/conclusionBVN ablation demonstrates significant improvements in pain and function over SC, with treatment results sustained through 12 months in patients with chronic low back pain of vertebrogenic origin.

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Cryosurgical ablation for treatment of rhinitis: A prospective multicenter study.

Publications

Cryosurgical ablation for treatment of rhinitis: A prospective multicenter study.

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