Effects of a therapy with botulinum toxin A for functional indications in otorhinolaryngology on the health-related quality of life

Thomas Braun, Robert Gürkov, John Martin Hempel, Alexander Berghaus & Eike Krause
Background: Botulinum toxin A (BTA) is used for many indications in otorhinolaryngology. For the most functional indications, no studies with validated tools exist to analyze the effects of this therapy on the health-related quality of life, a parameter nowadays considered an essential evaluation criterium[for full text, please go to the a.m. URL]