An objective assessment of Botulinum toxin type A injection in the treatment of post facial palsy synkinesis and hyperkinesis using the Synkinesis Assessment Questionnaire (SAQ)

The aim of this study is to provide reliable and valid evidence that Botulinum toxin (BTX-A) is a successful treatment for facial synkinesis in facial palsy using the synkinesis assessment questionnaire tool (SAQ). 51 patients completed questionnaires pre and post BTX-A treatment over 103 cycles of treatment. Each patient was individually assessed and then treated according to their presenting symptoms with a dosage in each injection site of between 0.5 to 5 U of BTX-A. A two-tailed, paired samples t-test was used to compare the scores for each question before and after treatment.

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