Journal
JOURNAL OF THE NEUROLOGICAL SCIENCES
Volume 308, Issue 1-2, Pages 155-157Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jns.2011.06.016
Keywords
Amyotrophic lateral sclerosis; Electron beam radiotherapy; Sialorrhea; Parotid irradiation
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When ALS patients experience oropharyngeal weakness, sialorrhea can become a considerable challenge. Drooling has a profound negative impact in patient's quality of life causing embarrassing social situations. Several therapeutic modalities, including anticholinergic drugs, botulinum toxin injection, and radiotherapy have emerged as treatments for drooling in ALS. This retrospective case series study examined the effect of palliative radiotherapy in controlling problematic oral secretions in 10 ALS patients refractory to medical management. External electron beam radiation was targeted to a single parotid gland unilaterally with a total dose of 1500 cGy in 3 fractions at a depth determined by CT scanning. One patient received additional radiotherapy to the contralateral parotid due to persistent secretions. All patients reported improvement with a reduction in the intensity and amount of drooling. In 5 of 10 patients, anticholinergics were discontinued and were reduced in another two. There were no major side effects of treatment. We conclude that unilateral parotid electron radiotherapy provides satisfactory relief from sialorrhea in ALS patients and should be considered as a therapeutic option for patients who are refractory to medical management. (C) 2011 Elsevier B.V. All rights reserved.
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