Aspiration pneumonia is a major cause of morbidity and mortality among the elderly who are hospitalized or in nursing homes. Multiple risk factors for pneumonia have been identified, but no study has effectively compared the relative risk of factors in several different categories, including dysphagia. In this prospective outcomes study, 189 elderly subjects were recruited from the outpatient clinics, inpatient acute care wards, and the nursing home care center at the VA Medical Center in Ann Arbor, Michigan. They were given a variety of assessments to determine oropharyngeal and esophageal swallowing and feeding status, functional status, medical status, and oral/dental status. The subjects were followed for up to 4 years for an outcome of verified aspiration pneumonia. Bivariate analyses identified several factors as significantly associated with pneumonia. Logistic regression analyses then identified the significant predictors of aspiration pneumonia. The best predictors, in one or more groups of subjects, were dependent for feeding, dependent for oral care, number of decayed teeth, tube feeding, more than one medical diagnosis, number of medications, and smoking. The role that each of the significant predictors might play was described in relation to the pathogenesis of aspiration pneumonia. Dysphagia was concluded to be an important risk for aspiration pneumonia, but generally not sufficient to cause pneumonia unless other risk factors are present as well. A dependency upon others for feeding emerged as the dominant risk factor, with an odds ratio of 19.98 in a logistic regression model that excluded tube-fed patients.
Abstract.A new procedure for assessing the pharyngeal stage of swallowing in patients with dysphagia is described. Called the fiberoptic endoscopic examination of swallowing safety (FEESS), it is being used to detect aspiration and to determine the safety of oral feeding in patients for whom the traditional videofluoroscopic evaluation may be difficult or impossible to perform. Patients for whom the FEESS procedure is indicated are identified and information obtainable via endoscopy is outlined.
This study suggests that frontal executive deficits are present in half of ALS patients, many of whom meet strict research criteria for FTLD. Word generation tests are a useful screening tool in this cohort.
Oropharyngeal dysphagia (OD) is a highly prevalent and growing condition in the older population. Although OD may cause very severe complications, it is often not detected, explored, and treated. Older patients are frequently unaware of their swallowing dysfunction which is one of the reasons why the consequences of OD, ie, aspiration, dehydration, and malnutrition, are regularly not attributed to dysphagia. Older patients are particularly vulnerable to dysphagia because multiple age-related changes increase the risk of dysphagia. Physicians in charge of older patients should be aware that malnutrition, dehydration, and pneumonia are frequently caused by (unrecognized) dysphagia. The diagnosis is particularly difficult in the case of silent aspiration. In addition to numerous screening tools, videofluoroscopy was the traditional gold standard of diagnosing OD. Recently, the fiberoptic endoscopic evaluation of swallowing is increasingly utilized because it has several advantages. Besides making a diagnosis, fiberoptic endoscopic evaluation of swallowing is applied to evaluate the effectiveness of therapeutic maneuvers and texture modification of food and liquids. In addition to swallowing training and nutritional interventions, newer rehabilitation approaches of stimulation techniques are showing promise and may significantly impact future treatment strategies.
This study retrospectively investigated the value of both endoscopically visible oropharyngeal secretions in the hypopharynx and swallowing frequency in the prediction of aspiration of food and liquid. Fiberoptic endoscopic evaluation of swallowing (FEES) was performed on a total of 69 individuals that included hospitalized elderly, nonhospitalized elderly, and young normal subjects. A four-level rating scale for determining the severity of accumulated oropharyngeal secretions was developed and employed to rate subjects prior to the presentation of food or liquid during the FEES. Spontaneous dry swallows were also counted during the observation period of the FEES. It was found that the accumulation of endoscopically visible oropharyngeal secretions located within the laryngeal vestibule was highly predictive of aspiration of food or liquid. There were significantly fewer spontaneous swallows in hospitalized subjects when compared with nonhospitalized subjects. There was also a significant decrease in the frequency of spontaneous swallows in aspirating hospitalized subjects when compared with nonaspirating hospitalized subjects. Results are discussed in terms of integrating this information with clinical bedside examination techniques.
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