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Professor creates easy-to-swallow tool


Each year, approximately 10 million Americans are evaluated for swallowing difficulties, and between 300,000 and 600,000 individuals are diagnosed with a swallowing disorder (dysphagia). Swallowing is one of the most complex processes in the human body, and many health disorders can produce dysphagia.
 
To garner data and federal funding to study effective treatments for those suffering from dysphagia, Bonnie Martin-Harris, Ph.D., founder and director of the Evelyn Trammell Institute for Voice and Swallowing, and professor in the Department of Otolaryngology at MUSC, led a team of researchers to create the first standardized tool to measure swallowing impairment.
 
“MBS Measurement Tool for Swallowing Impairment—MBSImp: Establishing a Standard” will appear in the December print issue of Dysphagia. An abstract of the article can be found by visiting http://www.springerlink.com/content/8611836rxj16017j/.
 
A swallowing disorder typically is a combination of physiologic impairments that occurs during eating and drinking. It can impact a person’s quality of life and lead to serious and sometimes fatal medical conditions including malnutrition, dehydration and aspiration pneumonia. Through the creation of the Modified Barium Swallowing Impairment Profile (MBSImp), Martin-Harris provides a tool that will allow health care providers in clinical practice and clinical research to optimize the safety, accuracy and appropriateness of evaluation methods used in patients with dysphagia.
 
“The development of the MBSImp is the first known study that demonstrates the clinical utility and validity of measuring swallowing function in a large group of patients across medical diagnoses,” Martin-Harris said. “The MBSImp has the potential for widespread clinical and research application.”
 
There is limited data on the incidence and prevalence of swallowing disorders in the United States, Europe and Asia, primarily because dysphagia is a condition, and not a reportable disease. Despite this classification, dysphagia can result from common diseases and disorders. Patients may experience swallowing impairment due to symptoms stemming from medical issues relating to cancer, stroke, traumatic brain injury, Huntington’s Disease, Multiple Sclerosis, Parkinson’s Disease, ALS and Cerebral Palsy, among others.
 
The modified barium swallowing (MBS) exam has been the instrument of choice for assessing swallowing disorders and determining the course of treatment. Performed in conjunction with a radiologist, the MBS exam can identify swallowing impairment relating to oral tongue and combined pharyngeal clearance and airway protection. It is relatively non-invasive and well-tolerated by most patients. Until now, there has been no universally accepted, valid, reliable, and clinically practical method for capturing the impairment and comparing the results of modified barium swallowing studies (MBS) between clinics and research laboratories.


Friday, Dec. 5, 2008


The Catalyst Online is published weekly by the MUSC Office of Public Relations for the faculty, employees and students of the Medical University of South Carolina. The Catalyst Online editor, Kim Draughn, can be reached at 792-4107 or by email, catalyst@musc.edu. Editorial copy can be submitted to The Catalyst Online and to The Catalyst in print by fax, 792-6723, or by email to catalyst@musc.edu. To place an ad in The Catalyst hardcopy, call Island Publications at 849-1778, ext. 201.