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We conclude that therapeutic laryngeal injections of botulinum toxin are useful in the management of stuttering with glottal block and result in a moderate improvement in fluency.When an adult patient with developmental stuttering with glottal blocks has failed speech interventional therapy and presents for treatment,a trial of BTX can be considered early.The results of BTX treatment will be known within a relatively short period of time(weeks),whereas the impact of pharmacological trials can take several months of years.Although BTX therapy does not result in normal fluency,BTX treatment is safe,reasonable intervention to use either in isolation or in conjunction with more classic therapies or pharmacotherapy.Further study is required to evaluate long-term efficacy. |
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