Oropharyngeal dysphagia, or difficulty swallowing, is a devastating condition that affects physiological and psychosocial functioning in 1 in 25 adults. Many dysphagia treatments exist, but our ability to adequately measure treatment outcomes is limited. Pharyngeal high-resolution manometry (pHRM) directly measures swallowing pressures, providing an objective measurement of physiology that characterizes the basic mechanisms of swallowing. pHRM is well-poised to measure outcomes of dysphagia treatments due to its direct, objective, and reproducible measures of swallowing function. This proposed project will address a central hypotheses that objective swallowing measures (including (pHRM) will reveal treatment-mediated swallowing changes, will align with patient-reported outcome measures, and will be able to predict who will benefit from treatment. The investigators will follow a cohort of participants with oropharyngeal dysphagia as they undergo either pharyngeal strengthening therapy or relief of upper esophageal sphincter outlet obstruction at three time points: baseline, mid-treatment (4-6 weeks) and post-treatment (10-12 weeks). The investigators will compare participants to healthy controls using pHRM, videofluoroscopy, diet assessment, functional reserve tests, and patient-reported outcome measures.
Study Type
OBSERVATIONAL
Enrollment
4
Pharyngeal high--resolution manometry (pHRM) provides direct and objective measurement of pressure changes in the pharynx that characterize basic mechanisms of swallowing.
Videofluoroscopic Swallow Study (VFSS) enables real-time visualization of bolus flow during swallow movement.
University of Wisconsin
Madison, Wisconsin, United States
Change in pHRM from Baseline
pHRM data collected from the 250 adults undergoing dysphagia treatment and 50 healthy controls at three time points (baseline, mid-treatment, and post-treatment) will be used.
Time frame: up to 3 months
Change in Sydney Swallowing Questionnaire between timepoints
The Sydney Swallowing Questionnaire is a 17-item inventory scored on a visual analog scale (VAS) (with the exception of Q12) developed to measure symptomatic severity of pharyngeal dysphagia. Each VAS is 100 mm, where the left side of the scale is lesser symptoms and the right hand of the scale is increased symptoms. Scoring is measured in distance (mm) from the left. Maximum range in the scoring is 0 - 1700, the higher the score, the more severe the symptoms.
Time frame: baseline, mid-treatment 4-6 weeks, post-treatment 10-12 weeks
Change in Eat Assessment Tool Score between timepoints
The Eat Assessment Tool is a 10-item survey where each item is scored 0-4 where 0 is no problem and 4 is severe problem. The total range in score is 0-40 where higher scores indicate increased severity of symptoms.
Time frame: baseline, mid-treatment 4-6 weeks, post-treatment 10-12 weeks
Change in Hand Grip Strength Test between timepoints
Participants will squeeze a dynamometer at maximum pressure 3 times and hold for 5 seconds each. 10 seconds rest will be given between each trial.
Time frame: baseline, mid-treatment 4-6 weeks, post-treatment 10-12 weeks
Change in Maximum Isometric Pressure between timepoints
The Iowa Oral Pressure Instrument (IOPI) will be used to measure maximum isometric pressure. IOPI will be used to evaluate anterior and posterior maximal isometric tongue-pressures. A small (3.5 cm long and 4.5 cm in diameter) air-filled plastic pressure bulb will be placed in the mouth at two different positions: directly posterior to the incisors and at the posterior oral tongue. Participants will be asked to squeeze the bulb against the roof of the mouth with maximal effort and to perform saliva swallows. Three tasks in each position will be recorded and participants will rest for 10 seconds between each trial.
Time frame: baseline, mid-treatment 4-6 weeks, post-treatment 10-12 weeks
Change in Dietary Assessment between timepoints
Participants will undergo diet assessment by using International Dysphagia Diet Standardisation Initiative Framework. This framework defines and scores food textures/consistencies for participants with dysphagia. Liquids are scored 0-4 where 0 is thin and 4 is extremely thick. Foods are scored from 3-7 where 3 is liquidized food and 7 is regular food.
Time frame: baseline, mid-treatment 4-6 weeks, post-treatment 10-12 weeks
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