Prospective Study of Long-Term Outcomes and the Patient Experience With Superior Laryngeal Nerve Block for Chronic Cough.

ABSTRACT:

Objective

To characterize long-term response rates to the superior laryngeal nerve (SLN) block in a prospective fashion. Secondary objectives are to provide objective data to answer common pre-procedural questions and to identify factors that predict injection outcomes.

Methods

Prospective study from April 2021 to August 2024 of adult patients with refractory chronic cough undergoing SLN block. Response was measured via a yes/no question about improvement, cough severity index (CSI), and a 1-10 Likert scale grading cough impact on quality of life (QoL) taken at baseline, 2 weeks, and 6-9 months post-injection.

Results

One hundredtwenty-two patients were injected for cough, representing 249 injections. At 2 weeks after injection, 63.1% endorsed improvement on yes/no qu

SUBMITTER: Peachman AT 

PROVIDER: S-EPMC12770864 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature