What Combination of Generic Bedside Screening Tools Is Optimal to Capture Patients with Penetration/Aspiration Due to Dysphagia? Comparing Single Bedside Tools Versus Combinations of Tools for Sensitivity and Specificity.

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Background/Objectives: This study aimed to explore the validity of various generic bedside screening tools, and combinations of these, for capturing dysphagia as compared to aspiration/penetration found through the Flexible Endoscopic Evaluation of Swallowing (FEES). Methods: In this cross-sectional study, participants diagnosed with chronic pulmonary disease (n = 25), Parkinson's disease (n = 26), multiple sclerosis (n = 24), or stroke (n = 25) participated. Patient-reported outcomes and clinical-rated assessments included: the four-question test (4QT), the Minimal Eating Observation Form-II, the Volume-Viscosity Swallow Test (V-VST), the Penetration-Aspiration Scale, and the FEES. Activities in daily living were assessed with the Barthel Index. The sensitivity, specificity, negative predictive value (NPV), positive predictive value, and accuracy were calculated. Results: The 100 participants' median age was 72 years, and 42 were women. In total, 78 patients had eating difficulties (MEOF-II). According to the 4QT, 69 patients had dysphagia while 62 had it according to the V-VST. Furthermore, 29 patients had penetration/aspiration according to the FEES. All generic bedside tools performed better when combined with another tool, when compared to the identification of penetration/aspiration according to the FEES. The combination of the MEOF-II and 4QT as well as the combination of the MEOF-II and V-VST proved to have very high sensitivity (96.1-96.3%) and NPVs (92.3% in both instances). Combining the three tools, the MEOF-II, 4QT, and V-VST, did not improve the sensitivity or NPV. Conclusions: A combination of the MEOF-II and 4QT or the MEOF-II and V-VST bedside tools is recommended for identifying patients at risk of penetration/aspiration and in need of further in-depth clinical assessment.

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