Zytaze Dietary Supplementation Enhances Botox Injections?

A patient with spasmodic dysphonia recently asked me whether Zytaze dietary supplement would help enhance the effectiveness of the botox injections I perform to treat spasmodic dysphonia. This dietary supplement contains Zinc Citrate 25mg and Phytase 500mg. Phytase is an enzyme that effectively breaks down phytates commonly found in whole grain products and cereals. Phytase basically enhances zinc absorption in the gut. So what's so special about zinc as it relates to botox ? Theor…

10/18/2019 0

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Animation of Botox Injection to Treat Spasmodic Dysphonia

A new animation has been created in cooperation with Intronix Technologies that demonstrates the steps involved to treat spasmodic dysphonia with EMG guided botulinum toxin. Spasmodic dysphonia is a neurologic condition characterized by vocal breaks during speech due to spasms of the vocal cord muscles. The most common type of spasmodic dysphonia is adductor spasmodic dysphonia where the vocal cords suddenly and involuntarily comes together causing the person’s voice to suddenly break off…

8/08/2019 0

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MyoGuide: Ultra-Portable EMG

A new video has been created describing the use of an ultra-portable EMG device called MyoGuide. I've probably been using this compact unit for almost 10 years and given its usefulness and durability, felt a video on this device warranted, especially for otolaryngologists. Most EMG units are huge and require a small cart to move around, but this unit is the size of a hand. The compact unit contains a high-fidelity amplifier with built-in audio speaker and EMG signal display. Although …

6/04/2019 0

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Dr. Chang Article Printed in National Newsletter

Our Voice, a national newsletter published by the  National Spasmodic Dysphonia Association , published a 4 page article written by Dr. Chang (Volume 25, Number 1, Pages 8-11; Nov 2015) on the topic of reflux and spasmodic dysphonia . The article titled "Living with Spasmodic Dysphonia and Reflux" is the 2nd time Dr. Chang has been featured in this national newsletter. The first time was in 2009 (Volume 18, Number 2, Page 3) pertaining to research that Dr. Chang performed that w…

11/23/2015 0

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Speech Therapy Found to be of NO Benefit for Spasmodic Dysphonia

A recent study was published that has found that speech therapy had minimal if any significant beneficial effect on spasmodic dysphonia  (a spastic vocal disorder) in a study cohort of 31 patients. The study was divided in 3 patient treatment groups: - One-third received no further intervention after botox injection which is considered standard of care in the treatment of spasmodic dysphonia - One-third received a standard 5-week course of voice therapy after botox injection - One-th…

6/09/2011 2

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Dr. Chang to Give Lecture on Spasmodic Dysphonia in Richmond, VA

Dr. Christopher Chang  will be a guest lecturer on the topic of  spasmodic dysphonia  in Richmond, VA on June 11, 2011. Dr. Chang was invited to give a 3 hour long talk to the Central Virginia SD Group at the CJW Medical Center Johnston-Willis Campus in the Board Room starting at 12PM. Dr. Chang is a Yale and Duke trained, board-certified otolaryngology-head and neck surgeon with fellowship training in laryngology. He is considered an expert on spasmodic dysphonia and has patients coming from…

6/09/2011 0

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