Intensive Voice Treatment following Botulinum Neurotoxin Injection for a Speaker with Abductor Laryngeal Dystonia: An Exploratory Case Study.

This is one case, so it cannot show that the treatment works for other people. She had botulinum toxin injections shortly before therapy, so the injections and therapy cannot be separated as causes of improvement. There was no control group, no comparison treatment, and no randomisation. Acoustic measures may be unreliable because mouth-to-microphone distance was not verified during teletherapy. Pitch frequency was measured with an iOS application whose calibration was not verifiable. The authors did not measure brain changes, so the proposed neuroplasticity explanation is not tested.

The authors declare no relevant conflicts of interest at the time of publication.

Do not conclude that LSVT LOUD is an established treatment for abductor laryngeal dystonia or that it can replace botulinum toxin injections. This was a single case with no control group, and the patient had injections before therapy, so the separate effect of therapy cannot be isolated.