Swallowing disorders (dysphagia) are associated with malnutrition, aspiration pneumonia, and mortality in older adults. Strengthening interventions have shown promising results, but the effectiveness of treating dysphagia in older adults remains to be established. The Swallow STRengthening OropharyNGeal (Swallow STRONG) Program is a multidisciplinary program that employs a specific approach to oropharyngeal strengthening-device-facilitated (D-F) isometric progressive resistance oropharyngeal (I-PRO) therapy-with the goal of reducing health-related sequelae in veterans with dysphagia. Participants completed 8 weeks of D-F I-PRO therapy while receiving nutritional counseling and respiratory status monitoring. Assessments were completed at baseline, 4, and 8 weeks. At each visit, videofluoroscopic swallowing studies were performed. Dietary and swallowing-related quality of life questionnaires were administered. Long-term monitoring for 6-17 months after enrollment allowed for comparison of pneumonia incidence and hospitalizations to the 6-17 months before the program. Veterans with dysphagia confirmed with videofluoroscopy (N = 56; 55 male, 1 female; mean age 70) were enrolled. Lingual pressures increased at anterior (effect estimate = 92.5, P < .001) and posterior locations (effect estimate = 85.4, P < .001) over 8 weeks. Statistically significant improvements occurred on eight of 11 subscales of the Quality of Life in Swallowing Disorders (SWAL-QOL) Questionnaire (effect estimates = 6.5-19.5, P < .04) and in self-reported sense of effort (effect estimate = -18.1, P = .001). Higher Functional Oral Intake Scale scores (effect estimate = 0.4, P = .02) indicated that participants were able to eat less-restrictive diets. There was a 67% reduction in pneumonia diagnoses, although the difference was not statistically significant. The number of hospital admissions decreased significantly (effect estimate = 0.96; P = .009) from before to after enrollment. Findings suggest that the Swallow STRONG multidisciplinary oropharyngeal strengthening program may be an effective treatment for older adults with dysphagia.
Abstract-This study measured dose-response of a range of commercially available liquid barium materials designed for use in videofluoroscopic oropharyngeal swallowing assessments, particularly as they relate to the necessity of adding a thickening agent for swallow safety. A group of 25 adult males representing various medical diagnoses consented to participate, with 16 qualifying to complete a videofluoroscopic swallowing assessment with liquid barium materials of three viscosities (nectar: 300 cP, thin honey: 1,500 cP, thick honey: 3,000 cP). Outcome measures included airway invasion (Penetration-Aspiration score), postswallow residue, and patient preference. Penetration-Aspiration and residue scores did not significantly differ between thin honey and thick honey bariums. Significantly more severe airway invasion was observed with nectar boluses than with two levels of honey boluses (p < 0.001). Significantly more residue was observed in the oral cavity (p < 0.002) and valleculae (p < 0.001) with thin and thick honey bariums than with nectar barium. Thin honey was rated as "easy" or "average" to drink by 67% of subjects, compared with 54% for thick honey. This study supports the use of thin honey barium over thick honey barium during videofluoroscopic swallowing assessments because the two honey bariums were comparable in terms of airway protection and postswallow residue in the oropharynx and the thin honey was preferred by patients.
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