Are Oropharyngeal Dysphagia Screening Tests Effective in Preventing Pneumonia?

Oropharyngeal dysphagia, a clinical condition that indicates difficulty in moving food and liquid from the oral cavity to the esophagus, has a markedly high prevalence in the elderly. The number of elderly people with oropharyngeal dysphagia is expected to increase due to the aging of the world’s population. Understanding the current situation of dysphagia screening is crucial when considering future countermeasures. We report findings from a literature review including citations on current objective dysphagia screening tests: the Water Swallowing Test, Mann Assessment of Swallowing Ability, and the Gugging Swallowing Screen. Pneumonia can be predicted using the results of the screening tests discussed in this review, and the response after the screening tests is important for prevention. In addition, although interdisciplinary team approaches prevent and reduce aspiration, optimal treatment is a challenging. Intervention studies with multiple factors focusing on the elderly are needed.

Oropharyngeal Dysphagia: A Proposal for an Ecological Theoretical Model

Background: The exponential growth in epidemiological studies has been reflected in an increase in analytical studies. Thus, theoretical models are required to guide the definition of data analysis, although so far, they are seldom used in Speech, Language, and Hearing Sciences. Objective: To propose a multicausal model for oropharyngeal dysphagia using directed acyclic graphs showing mediating variables, confounding variables, and variables connected by direct causation. Design: This integrative literature review. Setting: This was carried out until January 4, 2021, and searches were performed with the MEDLINE, EMBASE,and other bases.

Peak Voluntary Cough Flow and Oropharyngeal Dysphagia as Risk Factors for Pneumonia

Objective To investigate the relationship between voluntary peak cough flow (PCF), oropharyngeal dysphagia, and pneumonia in patients who were evaluated with videofluoroscopic swallowing study (VFSS).Methods Patients who underwent both VFSS and PCF measurement on the same day were enrolled retrospectively (n=821). Pneumonia (n=138) and control (n=683) groups were assigned based on presence of pneumonia within 1 month from the date of VFSS assessment. In addition, sex, age (<65 and ≥65 years), preceding conditions, modified Barthel Index (MBI), Mini-Mental State Examination (MMSE), PCF value (<160, ≥160 and <270, and ≥270 L/min), and presence of aspiration/penetration on VFSS were reviewed.Results Pneumonia group was more likely to be male (n=108; 78.3%), ≥65 years (n=121; 87.7%), with neurodegenerative (n=25; 18.1%) or other miscellaneous diseases (n=50; 36.2%), and in poor functional level with lower value of MBI (39.1±26.59). However, MMSE was not significantly different in comparison to that of the control group. The pneumonia group was also more likely to have dysphagia (82.6%) and lower value of PCF (<160 L/min, 70.3%). In multivariable logistic regression analysis, male sex (odd ratio [OR]=6.62; 95% confidence interval [CI], 2.70–16.26), other miscellaneous diseases as preceding conditions (OR=2.52; 95% CI, 1.14–5.58), dysphagia (OR=3.82; 95% CI, 1.42–10.23), and PCF <160 L/min (OR=14.34; 95% CI, 1.84–111.60) were factors significantly related with pneumonia.Conclusion Impaired swallowing and coughing function showed an independent association with the development of pneumonia. Patients with PCF <160 L/min require more attention with lung care and should be encouraged with voluntary coughing strategy to prevent possible pulmonary complications.

Hospital speech-language pathology approach in oropharyngeal dysphagia and its motor and etiological associations

Objective: To identify the profile of speech-language pathology in patients with oropharyngeal dysphagia at a University Hospital and the associations between health conditions and the etiology of swallowing disorders. Methods: A cross-sectional and descriptive study, with analysis of medical records of patients with oropharyngeal dysphagia treated at a University Hospital, of both sexes, attended from February to December 2018. A descriptive and association analysis of the evaluated variables was carried out, with a significance level of 0.05. Results: It was identified in the sample, consisting of 26 (51%) females and 25 (49%) males, with a mean of 57.1 years (± 18.6), presence of progressive neurogenic oropharyngeal dysphagia (39.2 %), idiopathic (31.4%) and non-progressive (29.4%), in which the most performed speech-language pathology procedures were assessment (100%), giving support to observational issues during the fiberoptic endoscopic evaluation of swallowing (96.1%), management of dysphagia (92.2%) and return and discharge conducts (49% and 25.5%, respectively). The multi-professional participation has conducted better decision-making for an adequate diagnosis and speech therapy approach that had aimed at the management of oropharyngeal dysphagia, as well the intervention approaches with techniques aimed at maneuvers, and neuromuscular conditioning in relation to disorders of the biomechanics of swallowing. There was a significant association between the presence of motor and balance changes with neurogenic oropharyngeal dysphagia and difficulty in swallowing and choking symptoms as a sign of oropharyngeal dysphagia.

Acoustic analysis of swallowing as an auxiliary method for assessing dysphagia in Parkinson's disease

Objective: To measure the accuracy of DeglutiSom as an auxiliary method to assess swallowing in patients with Parkinson's disease (PD). Methodology: Accuracy study. Among 248 individuals, 91 participants met the inclusion criteria, with a mean age of 64.9 years (SD 7.7), 53.8% male and 46.2% female, with a mean disease duration of 12.6 years (SD 3.8 years). Two instrumental studies were performed: An acoustic analysis with Sonar Doppler via the DeglutiSom Software, and a videofluoroscopic swallow study. Three judges analyzed the swallowing sounds in the DeglutiSom software and the instrumental examination findings. Results: The inter-rater reliability was 90.1%, with 4.4% degree of partial agreement and 5.5% disagreement. Sensitivity resulted in 90.0% and specificity in 90.0%. A sensitivity of 97.0% and specificity of 91.0% are indicators of a high validity for the dysphagia screening method, with predictive value (+) of 97.0% and predictive value (-) of 91.0%, with an accuracy method of 96.0%. The validity indicator values for screening aspiration were also high, with a sensitivity of 90.0%, specificity of 90.0%, predictive value (+) of 82.0%, predictive value (-) of 95% , 0% and 90.0% accuracy. Conclusion: The method proposed is considered appropriate for oropharyngeal dysphagia and tracheal aspiration screening in patients with Parkinson's Disease.

Prevalence of Oropharyngeal Dysphagia and Risk of Pneumonia, Malnutrition, and Mortality in Adults Aged 60 Years and Older: A Meta-Analysis

<b><i>Introduction:</i></b> Oropharyngeal dysphagia (OD) is a serious health condition associated with poor survival and quality of life in adults aged 60 years and older. Comprehensive assessment and management of OD could lead to better and improved health outcomes for older adults. Therefore, we performed the first meta-analysis to determine the pooled prevalence of OD and risk of pneumonia, malnutrition, and mortality. <b><i>Methods:</i></b> Databases including Ovid-MEDLINE, Web of Science, Embase, PubMed, Cochrane, and CINAHL were searched up to January 2021. Data analysis was conducted using logistic-normal for prevalence rate and DerSimonian-Lard random-effects models for outcomes and associated factors of OD, providing odds ratio (OR) and corresponding 95% confidence interval (CI). <b><i>Results:</i></b> The pooled prevalence of OD in 39 studies with 31,488 participants was 46% associated with higher pooled OR for risk of pneumonia 2.07 (95% CI, 1.58–2.72), malnutrition 2.21 (95% CI, 1.43–3.41), and mortality 2.73 (95% CI, 1.62–4.60). Geriatric syndromes including fecal incontinence 6.84 (4.955–9.44), immobility syndrome 6.06 (5.28–6.96), pressure ulcers 4.02 (2.46–6.56), sarcopenia 3.10 (1.89–5.09), urinary incontinence 2.75 (1.81–4.19), frailty 2.66 (1.16–6.13), delirium 2.23 (1.73–2.87), and falls 1.47 (1.19–1.81) and comorbidities including dementia 3.69 (2.36–5.78) and stroke 1.92 (1.47–2.52) were associated with OD. <b><i>Conclusion:</i></b> Early identification and management of OD should consider geriatric syndromes and neurogenic comorbidities to prevent malnutrition and pneumonia and reduce mortality in adults aged 60 years and older.