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Esophageal voice botox

Luigi Bartolomei, Sandro Zambito Marsala, Gian Paolo Pighi, Valentina Cristofori, Giuseppe Pagano, Massimo Pontarin, Manuela Gioulis, Corrado Marchini
We evaluated the efficacy of Botulinum toxin type A (BTXA) as an alternative to surgical intervention to facilitate phonation in 34 laryngectomized patients (31 males and 3 women) who were unable to produce tracheoesophageal voice because of spasm of the middle and inferior pharyngeal constrictor muscles (PCM). EMG was recorded to confirm activity in these muscles during attempted vocalization. Parapharyngeal nerve block (Carbocaine 2%, 5 cc) was used to demonstrate short-term fluent voice after relaxation of the pharyngeal constrictor muscle...
June 2011: Neurological Sciences
Raymond Bedgood, Rafal Sadurski, Robert R Schade
The incidence and prevalence of achalasia is 0.6/100,000 people per year and 1/10,000, respectively. It is difficult then for one center to accumulate a large cohort of patients. One study (Gut 33:1011,1992) described the presenting symptoms in only 38 patients. To approach this problem differently, we used the internet to access a larger patient population. Using search engines at Google and Yahoo, Inc., we identified achalasia support groups. We examined the most populated support group (YSG) and assembled the exchanged messages into 4 categories: support, symptoms, treatment, and diagnosis...
February 2007: Digestive Diseases and Sciences
Ronald C Hamaker, Eric D Blom
OBJECTIVES/HYPOTHESIS: The purpose of the study was to evaluate the effectiveness of Botulinum neurotoxin (Botox) for elimination of pharyngeal constrictor muscle spasm in tracheoesophageal voice restoration. STUDY DESIGN: A retrospective review was made of 62 patients between 1991 and 2002 who had Botox as the initial treatment for pharyngeal constrictor muscle spasm. METHODS: One hundred units of Botox properly diluted in 3 mL saline was instilled unilaterally under electromyographic guidance after fluoroscopic identification and marking of the contracted pharyngeal constrictor muscles...
September 2003: Laryngoscope
R J Meleca, J P Dworkin, M M Zormeier, M L Simpson, T Shibuya, R H Mathog
OBJECTIVES: The purpose of this investigation was to use videostroboscopy to study the physiologic and biomechanical effects of botulinum toxin (Botox) injection on the pharyngoesophageal segment (PES) in total laryngectomy patients with poor-quality tracheoesophageal puncture (TEP) voice caused by PES spasm. METHODS: The following was a prospective study. Videostroboscopy of the PES and videotaped recordings of patients performing TEP voice tasks were conducted before and after Botox injection of the PES...
July 2000: Otolaryngology—Head and Neck Surgery
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