期刊
ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION
卷 87, 期 10, 页码 1346-1351出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.apmr.2006.06.018
关键词
botulinum toxin type A; dysphagia; pharyngeal muscles; rehabilitation; stroke
Objective: To evaluate the therapeutic effectiveness of hotulinum toxin type A (BTX-A) in poststroke patients with cricopharyngeal muscle dysfunction. Design: Before-after trial. Setting: University hospital. Participants: Eight poststroke patients. Intervention: BTX-A injection into the cricopharyngeal muscle under endoscope guidance for poststroke cricopharyngeal muscle dysfunction. Main Outcome Measures: Clinical symptom score, disability rating scale for swallowing impairment, videofluoroscopic swallowing study, and upper esophageal sphincter (UES) manometry. Results: Clinical symptom score, disability rating scale for swallowing impairment, residue in piriform sinus, and UES pressure were all significantly improved at 2 weeks after BTX-A injection compared with evaluations before injection (P<.05). The effects on the clinical symptom score and disability rating scale for swallowing impairment continued to be significantly improved to 12 weeks after injection (P<.05). However, the residue in piriform sinus and the UES pressure at 12 weeks postinjection were reduced compared with before-injection evaluations; these results were not significant. The pharyngeal transit time was not changed after injection. There were no side effects observed in the patients studied. Conclusions: The results of the present study suggest that BTX-A injection may be an effective and safe treatment in patients with poststroke cricopharyngeal muscle dysfunction.
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