1. Botulinum toxin B increases mouth opening in patients with spastic trismus
- Author
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Georg Ebersbach, A. Barthels, Jörg Wissel, P. Kossmehl, Urban M. Fietzek, and B. Zynda
- Subjects
medicine.medical_specialty ,Movement disorders ,business.industry ,Trismus ,medicine.disease ,Botulinum toxin ,Surgery ,Masseter muscle ,Neurology ,Anesthesia ,medicine ,Spastic ,Hypertonia ,Neurology (clinical) ,Spasticity ,medicine.symptom ,business ,Stroke ,medicine.drug - Abstract
Background: Severe generalized spastic movement disorders of various aetiologies often involve the jaw muscles and lead to a spastic trismus with masseter muscle hypertonia. We report a placebo-controlled randomized study on patients with spastic trismus. Methods: Eleven patients with masseter hypertonia because of stroke, hypoxic encephalopathy or traumatic brain injury were allocated to either botulinum toxin serotype B (BoNT/B) injections into the masseter muscles or placebo treatment. The dental gap, the amount of saliva, salivation scales, and a clinical goal attainment were evaluated. Results: Three weeks after injection the BoNT/B group showed a significantly increased mouth opening compared with placebo treatment (P
- Published
- 2009