The Journal of laryngology and otology · 2026
Superior laryngeal nerve block for neurogenic cough: updated evidence, procedural considerations and practical gaps - a systematic review and clinical perspective.
СтатьяСистематический обзорНазвание и аннотация: Перевод в очереди
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Shahidi Shayan, Busby Orla, Sharrif Fatma, Holland James, Patel Nimesh N
Аннотация
OBJECTIVES: To evaluate the evidence for superior laryngeal nerve block in neurogenic cough and outline practical considerations for clinical use.
METHODS: A systematic review was conducted in May 2024, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Eligible studies reported validated cough-specific quality-of-life outcomes and safety data.
RESULTS: Nine studies (1 randomised trial, 8 case series; n = 490) were included. All studies reported subjective improvement: eight conducted statistical testing and seven showed significant benefit, with the Leicester Cough Questionnaire exceeding the minimal clinically important difference and the Cough Severity Index showing reductions post treatment. Patients received an average of 2 to 3 injections, with follow-up of up to 22 months. Adverse effects were mild and transient. Neuromodulator use and behavioural therapy were inconsistently reported.
CONCLUSION: Superior laryngeal nerve block appears safe and effective as a short-term intervention, with long-term efficacy remaining uncertain. This review highlights procedural gaps and introduces a structured pathway to guide patient selection, injection and follow up. Robust multicentred trials and consensus guidelines are needed to define long-term benefit and standardise practice.
METHODS: A systematic review was conducted in May 2024, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Eligible studies reported validated cough-specific quality-of-life outcomes and safety data.
RESULTS: Nine studies (1 randomised trial, 8 case series; n = 490) were included. All studies reported subjective improvement: eight conducted statistical testing and seven showed significant benefit, with the Leicester Cough Questionnaire exceeding the minimal clinically important difference and the Cough Severity Index showing reductions post treatment. Patients received an average of 2 to 3 injections, with follow-up of up to 22 months. Adverse effects were mild and transient. Neuromodulator use and behavioural therapy were inconsistently reported.
CONCLUSION: Superior laryngeal nerve block appears safe and effective as a short-term intervention, with long-term efficacy remaining uncertain. This review highlights procedural gaps and introduces a structured pathway to guide patient selection, injection and follow up. Robust multicentred trials and consensus guidelines are needed to define long-term benefit and standardise practice.