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      Kompendium der Tracheotomie 

      Interdisziplinäre Rehabilitation tracheotomierter Patienten mit neurogenen Dysphagien (ND) aus sprachtherapeutischer Perspektive

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      Springer Berlin Heidelberg

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          A penetration-aspiration scale

          The development and use of an 8-point, equal-appearing interval scale to describe penetration and aspiration events are described. Scores are determined primarily by the depth to which material passes in the airway and by whether or not material entering the airway is expelled. Intra- and interjudge reliability have been established. Clinical and scientific uses of the scale are discussed.
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            Swallowing Disorders following Acute Stroke: Prevalence and Diagnostic Accuracy

            We prospectively examined 128 patients with acute first-ever stroke to determine the prevalence of swallowing disorders, the diagnostic accuracy of our clinical assessment of swallowing function compared with videofluoroscopy, and interobserver agreement for the clinical and videofluoroscopic diagnosis of swallowing disorders and aspiration. We found clinical and videofluoroscopic evidence of a swallowing disorder in 51% [95% confidence interval (CI) 42–60%] and 64% (95% CI 55–72%) of patients, respectively, and aspiration in 49% (95% CI 40–58%) and 22% (95% CI 15–29%) of patients, respectively. The optimal clinical criteria for detecting videofluoroscopic evidence of a swallowing disorder and aspiration were any clinical evidence of a swallowing disorder (sensitivity 73%, 95% CI 62–82%; specificity 89%, 95% CI 76–96%), and any clinical evidence of aspiration (sensitivity 93%, 95% CI 76–99%; specificity 63%, 95% CI 53–72%). The interobserver agreement between two speech pathologists for the clinical diagnosis of a swallowing disorder (κ: 0.82 ± 0.09) and aspiration (κ: 0.75 ± 0.09) was good, and between a speech pathologist and radiologist for the videofluoroscopic diagnosis of a swallowing disorder (κ: 0.75 ± 0.09) and aspiration (κ: 0.41 ± 0.09), it was good and fair, respectively. Although clinical bedside examination underestimates the frequency of swallowing abnormalities and overestimates the frequency of aspiration compared with videofluoroscopy, it may still offer valuable information for the diagnosis of swallowing impairment. Long-term follow-up studies are required to determine the independent functional significance of the findings of the bedside and videofluoroscopic examinations in predicting the occurrence of important outcome events such as aspiration pneumonia.
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              Pulmonary aspiration in mechanically ventilated patients with tracheostomies.

              The purpose of this descriptive study was to evaluate feeding aspirations in adult patients receiving long-term mechanical ventilatory support, including the incidence of aspirations, the frequency of silent (clinically inapparent) aspirations, and differences between aspirators and nonaspirators. Aspiration data were determined by review of videofluoroscopic (VF) tapes of modified barium swallow procedures performed on 83 medically stable patients admitted to a chronic ventilator unit. Demographic and clinical variables were obtained from review of subjects' medical records. Forty-two subjects (50 percent) aspirated during VF testing and 37 of 48 (77 percent) aspirations were silent. Subjects who aspirated were significantly older than those who did not aspirate (p = 0.007). Swallowing disorders were common, particularly disturbances of the pharyngeal phase. We conclude that feeding aspiration is seen frequently in patients with tracheostomies receiving prolonged positive pressure mechanical ventilation. Advanced age increases the risk of aspiration in this population. Episodes of aspiration are not consistently accompanied by clinical symptoms of distress to alert the bedside observer to their occurrence.
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                Book Chapter
                2012
                : 161-175
                10.1007/978-3-642-22645-8_17
                fd8e0a33-3cf3-4666-9b28-af0e38a801ba
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