Abstract
The aim of this study was to assess the effectiveness of bilateral submandibular duct relocation and bilateral sublingual gland excision in combination with botulinum toxin A injection into the parotid glands in children with sialorrhea. Previously in the literature, either surgery or botulinum toxin injection but not their combination has been reported. Preoperative and at least 6-month postoperative assessments using the Drooling Severity Scale and Drooling Frequency Scale (Thomas-Stonell and Greenberg classification) and the Teacher Drooling Scale and by interviewing parents and caregivers face to face or via telephone were performed. Also, decreases in the daily number of bib changes and hourly frequency of saliva wiping were recorded as success. Complications were recorded. The Drooling Frequency and Severity Scale, the Teacher Drooling Scale, daily number of bib changes, and hourly frequency of saliva wiping decreased significantly in 21 patients (95.5%) and remained unchanged in 1 patient (4.5%). Postoperative bleeding was observed in 1 patient (4.5%). Drooling is a complex problem that benefits from a multidisciplinary approach. Many treatment methods exist, each with advantages and disadvantages. In this study botulinum toxin A injection was applied in conjunction with bilateral submandibular duct relocation and bilateral sublingual gland excision surgery, achieving a success rate of 95.5%. Moreover, minimal complications and no recurrence after at least 6-month follow-up were observed. The authors therefore recommend further use of this combination treatment. Larger and longer term studies may also help clarify its effectiveness.
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