Abstract
To report about our 10years' experience about the treatment of drooling by ultrasound guided botulinum toxin injections. Retrospective monocentric study including all the patients suffering from drooling and treated by ultrasound-guided botulinum toxin injections into the salivary glands between 2004and 2015. The etiology of r drooling, the doses of toxin, the injected glands, the size of the glands measured by ultrasonography, the effectiveness of the treatment and the side effects were assessed. Two hundred and ninety-two injections sessions were performed in 61patients. Exactly 70.5% of patients reported an improvement after the first session. Parkinson's disease was the main etiology of drooling (43% of the patients). Eleven patients reported side effects. The salivary gland volume reduced after treatment in 46% of the patients. The interest of ultrasound-guidance is to make sure about the intraglandular injection, to lower the risk for extraglandular diffusion of the toxin responsible for swallowing disorders and to allow for an adaptation of the doses to the volume of the salivary glands, which may vary during treatment.
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