Clinical Manifestation, Evaluation, and Rehabilitative Strategy of Dysphagia Associated With COVID-19

SARS-CoV-2 and Dysphagia: A Retrospective Analysis of COVID-19 Patients with Swallowing Disorders

BACKGROUND

COVID-19 can lead to impairment of neural networks involved in swallowing, since the act of swallowing is coordinated and performed by a diffuse brain network involving peripheral nerves and muscles. Dysphagia has been identified as a risk and predictive factor for the severest form of SARS-CoV-2 infection.

OBJECTIVES

To investigate the association between swallowing disorders and COVID-19 in patients hospitalized for COVID-19.

METHODS

We collected demographic data, medical information specific to dysphagia and data on medical treatments of patients with COVID-19.

RESULTS

A total of 43 hospitalized COVID-19 patients were enrolled in the study. Twenty (46%) were evaluated positive for dysphagia and 23 (54%) were evaluated negative. Neurocognitive disorders and diabetes were mostly associated with patients who resulted positive for dysphagia. Respiratory impairment caused by COVID-19 seems to be a cause of dysphagia, since all patients who needed oxygen-therapy developed symptoms of dysphagia, unlike patients who did not. In the dysphagic group, alteration of the swallowing trigger resulted in the severest form of dysphagia. An association was found between the severest form of COVID-19 and dysphagia. This group consisted predominantly of males with longer hospitalization.

CONCLUSIONS

Identification of COVID-19 patients at risk for dysphagia is crucial for better patient management.

The risk factors for silent aspiration: A retrospective case series and literature review

AIM

Evidence shows that 20%-30% of patients who aspirate do so silently. Research to date has not demonstrated clear evidence to indicate which patients are at higher risk of silent aspiration. Our aim was to use univariate logistic regression analysis of retrospective case review to determine potential patterns of silent aspiration.

MATERIALS AND METHODS

We conducted a retrospective analysis of 455 fiberoptic endoscopic evaluation of swallowing (FEES) reports. The patients were divided into four groups: G1 - neurological diseases (n = 93), G2 - head and neck surgery (n = 200), G3 - gastroenterological diseases (n = 94) and G4 - other patients (n = 68). Data included the occurrence or absence of saliva penetration or aspiration, of silent fluid/solid food penetration or aspiration, type of penetration or aspiration, occurrence of cranial nerve paresis, radiotherapy and tracheostomy. Univariate logistic regression was used to evaluate independent risk factors of silent aspiration in the study population. Three models with different independent variables were considered.

RESULTS

There is a statistically significant difference in the frequency of occurrence of silent penetration and aspiration within the groups (p < 0.001), with intraglutative being most frequent. Fluid and food penetration and aspiration correlated with saliva penetration and aspiration in all groups (p < 0.001). Cranial nerve paresis (IX and X), radiotherapy and tracheostomy correlate with saliva penetration and aspiration (p = 0.020 for cranial nerve paresis; p = 0.004 for radiotherapy; p < 0.001 for tracheostomy). One hundred and fifteen patients (45.81%) in the subgroup of patients with intraglutative aspiration had cranial nerve paresis (IX, X or IX-X).

CONCLUSIONS

Patients who should be prioritised or considered to be at a higher need of instrumental swallowing evaluation are those with IX and X cranial nerve paresis, tracheostomy and those who have had radiotherapy, with saliva swallowing problems, especially after paraganglioma, thyroid and parathyroid glands and middle and posterior fossa tumour surgery.

WHAT THIS PAPER ADDS

What is already known on the subject Clinical signs of penetration or aspiration include coughing, throat clearing and voice changes, while silent penetration or aspiration patients aspirate without demonstrating any clinical symptoms. The most common consequences of silent aspiration include aspiration pneumonia, recurrent lower respiratory tract infections and respiratory failure. Additionally, malnutrition and dehydration can be indicators of silent aspiration. Patients may unknowingly reduce their oral intake and lose weight. Retrospective studies have shown that 20%-30% of patients aspirate silently (e.g. patients after stroke, acquired brain injury, head and neck cancer treatment, prolonged intubation). Clinical examination of swallowing can miss up to 50% of cases of silent aspiration. What this paper adds to existing knowledge Currently, silent aspiration is often discussed in neurological literature, but its applications to head and neck surgery are limited. In this study, we identify head and neck surgery patients who should be prioritised or considered to be in higher need of instrumental swallowing evaluation due to a higher risk of silent aspiration. What are the potential or actual clinical implications of this work? Post-treatment structural changes can result in lower cranial nerve paresis (IX, X, XII) and face injury, in which vagus and glossopharyngeal nerves are injured. After tracheostomy and radiotherapy, patients with problems swallowing saliva need careful clinical examination, particularly cranial nerve examination.

Dysphagia in patients with severe COVID-19: a retrospective study

To investigate dysphagia after extubation in patients with severe coronavirus disease 2019 (COVID-19). We retrospectively examined patients with severe COVID-19 treated in our hospital between August 2021 and March 2022. Feeding outcomes were categorized into two groups-(1) total oral intake, and (2) difficulty in oral intake. To assess the feeding outcome, we used modified water-swallowing test (MWST) for all patients. However, in cases where aspiration or recurrent laryngeal nerve palsy was suspected, we conducted the fiberoptic endoscopic evaluation of swallowing after MWST. Patient data were collected from medical records. Forty-six patients with severe COVID-19 were included. Among the 46 patients, 14 (30.4%) experienced difficulties with oral intake. Older age, longer length of hospitalization, duration of mechanical ventilation, tracheostomy, diabetes, and higher serum levels of C-reactive protein (CRP) and procalcitonin (PCT) at the time of intubation were associated with difficulty in oral intake. The rate of difficulty with oral intake in patients with severe COVID-19 was 30.4%, which is not as high as reported in previous studies. Older age, longer duration of mechanical ventilation, tracheostomy, diabetes, and higher levels of CRP and PCT were associated with the prevalence of oral intake difficulty, suggesting that early attention should be paid to high-risk patients who have preexisting deterioration of swallowing function due to aging and comorbidities, or who have prolonged intubation or tracheostomy to prevent aspiration pneumonia.

Updated Clinical Practice Guidelines for the Diagnosis and Management of Long COVID

"Long COVID" is a term used to describe a condition when the symptoms and signs associated with coronavirus disease 2019 (COVID-19) persist for more than three months among patients infected with COVID-19; this condition has been reported globally and poses a serious public health issue. Long COVID can manifest in various forms, highlighting the need for appropriate evaluation and management by experts from various fields. However, due to the lack of clear clinical definitions, knowledge of pathophysiology, diagnostic methods, and treatment protocols, it is necessary to develop the best standard clinical guidelines based on the scientific evidence reported to date. We developed this clinical guideline for diagnosing and treating long COVID by analyzing the latest research data collected from the start of the COVID-19 pandemic until June 2023, along with the consensus of expert opinions. This guideline provides recommendations for diagnosis and treatment that can be applied in clinical practice, based on a total of 32 key questions related to patients with long COVID. The evaluation of patients with long COVID should be comprehensive, including medical history, physical examination, blood tests, imaging studies, and functional tests. To reduce the risk of developing long COVID, vaccination and antiviral treatment during the acute phase are recommended. This guideline will be revised when there is a reasonable need for updates based on the availability of new knowledge on the diagnosis and treatment of long COVID.

Prevalence of oropharyngeal dysphagia and risk of mortality among hospitalized COVID-19 patients: A meta-analysis

Background

Post-extubation and neurologic complications in COVID-19 patients have been shown to cause oropharyngeal dysphagia (OD). We performed the first meta-analysis to explore and estimate the pooled prevalence of OD, risk of mortality, and associated factors among hospitalized COVID-19 patients.

Methods

We searched Scopus, PubMed, Embase, CINAHL, WHO COVID-19 database, and Web of Science for literature on dysphagia in COVID-19 patients. We used the generalized linear mixed model (GLMM) to determine the prevalence estimates of OD in the R software and the DerSimonian-Lard random-effects model in the Comprehensive Meta-Analysis software to explore the risk of mortality and associated factors of OD, presented as odds ratios (ORs) and corresponding 95% confidence intervals (CIs). We used Cochran's Q, τ², and the I² statistic to assess heterogeneity and conducted a moderator analysis to identify moderator variables.

Results

We included eighteen studies with a total of 2055 participants from the 910 studies retrieved from electronic databases. The prevalence of OD among hospitalized COVID-19 patients was estimated at 35% (95% CI = 21-52; low certainty of evidence) associated with a high risk of mortality (OR = 6.41; 95% CI = 1.48-27.7; moderate certainty of evidence). Intubation (OR = 16.3; 95% CI = 7.10-37.3; high certainty of evidence), use of tracheostomies (OR = 8.09; 95% CI = 3.05-21.5; high certainty of evidence), and proning (OR = 4.97; 95% CI = 1.34-18.5; high certainty of evidence) among hospitalized COVID-19 patients were highly associated with developing OD. The prevalence of OD was higher among hospitalized COVID-19 patients who were admitted in intensive care units (ICU), intubated, and mechanically ventilated.

Conclusions

The prevalence of OD among hospitalized COVID-19 patients is estimated at 35% associated with a high risk of mortality. OD assessment among hospitalized COVID-19 patients who are managed in an ICU, prone position, intubated, and mechanical ventilated deserves more attention.

Registration

PROSPERO CRD42022337597.

Poor walking ability outcome and activities of daily living improvement in patients undergoing cardiac rehabilitation during COVID-19 pandemic

BACKGROUND

The COVID-19 pandemic has had wide-ranging impacts across international healthcare systems and direct impacts on rehabilitation professionals. Few outcome data for cardiac patients undergoing rehabilitation programs during the COVID-19 pandemic are available.

AIM

We conducted a study to compare the effect of modified rehabilitation therapies mainly performed in wards versus conventional therapies mainly performed in rehabilitation units in which exercise on a treadmill and cardiopulmonary exercise testing were available.

DESIGN

Observational study.

SETTING

University hospital.

POPULATION

Fifty-five consecutive inpatients admitted to a university hospital and underwent a cardiac rehabilitation program from August 2019 to June 2020.

METHODS

The patients were divided into two groups: those admitted during the COVID-19 outbreak (Group A, N.=28) and those admitted before the COVID-19 outbreak (Group B, N.=27). The evaluation included age, sex, duration of the rehabilitation intervention program, days before initiation of the rehabilitation program, functional status, and Functional Independence Measure (FIM) Score.

RESULTS

A higher proportion of patients in Group A than B underwent a cardiac rehabilitation program provided in wards (88.5% vs. 48.8%, respectively). Group A showed a significantly lower 6-minute walking distance and walking speed than Group B at discharge (P=0.031 and 0.014, respectively). Group A showed a significantly shorter exercise time using an ergometer than Group B (P=0.028).

CONCLUSIONS

The difference in the cardiac rehabilitation location during the COVID-19 pandemic may affect the rehabilitation contents and lead to less improvement in physical function.

CLINICAL REHABILITATION IMPACT

A cardiac rehabilitation program was performed mainly in wards instead of in rehabilitation units during the COVID-19 pandemic. Walking abilities were adversely affected by the modified cardiac rehabilitation program.

Quality-of-life self-assessment, risk of dysphagia, and swallowing disorders in COVID-19 inpatients

ABSTRACT Purpose: to identify the impact of swallowing changes and dysphagia complaints on quality-of-life and eating self-assessments of COVID-19 inpatients. Methods: the study comprised 54 COVID-19 inpatients above 18 years old, whose swallowing was clinically assessed by a speech-language-hearing therapist. They were classified regarding food intake (with the FOIS scale) and degree of dysphagia. They also filled out a sample characterization questionnaire and the SWAL-QOL and EAT-10 protocols. Results: the respiratory condition led to worse quality-of-life self-assessment Fatigue results, oral food intake and dysphagia severity classifications. Females had worse quality-of-life self-assessment Burden and Food selection scores. Swallowing complaints were associated with worse eating self-assessments. Patients at risk of dysphagia had worse quality-of-life self-assessments in five out of the 11 domains, worse oral food intake levels, and worse dysphagia severity. Conclusion: COVID-19 inpatients commonly have swallowing complaints and are at risk of dysphagia, with worse quality-of-life self-assessment, lower oral food intake classification, and worse dysphagia severity rating.

Self-perceived dysphagia in non-invasively ventilated COVID-19 patients

PURPOSE

COVID-19 is known to present with a wide range of clinical symptoms. COVID-19-related dysphagia has been frequently investigated in patients who were critically ill and mechanically ventilated, but not in those with less severe presentations. This study aims to identify the frequency, characteristics, and severity of self-perceived oropharyngeal dysphagia in non-intubated COVID-19 patients.

METHODS

In this cross-sectional study, data were collected from patients using a self-administered questionnaire that included the Eating Assessment Tool (EAT-10).

RESULTS

The study included 359 participants with a median age of 34 (range: 18-65) years. Self-perceived dysphagia (EAT-10 total score > 2) was identified in 64.62%, and their median EAT-10 total score was 13 (range 3-40). The most prevalent symptoms were painful swallowing, affected pleasure of eating, stressful swallowing, and coughing while eating. Age, gender, and hospitalization were not statistically significantly associated with the presence of dysphagia, while re-infection, duration, and severity of COVID-19 diagnosis were. The EAT-10 total score was higher in moderate and severe COVID-19 cases as compared to mild cases, and showed a statistically significant inverse correlation with the duration of COVID-19 (r = - 0.267).

CONCLUSION

Self-perceived dysphagia was prevalent in non-intubated COVID-19 patients. Its severity was related to that of COVID-19 and its duration.

Autoavaliação da qualidade de vida, risco para disfagia e alteração de deglutição em pacientes internados com COVID-19

RESUMO Objetivos: identificar o impacto de alterações na deglutição e queixa de disfagia na autoavaliação da qualidade de vida e na autoavaliação da alimentação de pacientes internados com COVID-19. Métodos: participaram do estudo 54 indivíduos acima de 18 anos com COVID-19 internados, submetidos à avaliação clínica da deglutição por fonoaudiólogo, classificados em relação à ingestão alimentar pela escala FOIS e grau da disfagia, que preencheram um questionário de caracterização da amostra e os protocolos SWAL-QOL e EAT-10. Resultados: a condição respiratória determinou piores resultados na autoavaliação da qualidade de vida no domínio Fadiga, na definição da ingesta de alimentos via oral e na classificação da gravidade da disfagia. Indivíduos do gênero feminino apresentaram pior autoavaliação da qualidade de vida nos domínios Deglutição como um fardo e Seleção do alimento. Houve associação entre queixa de deglutição e pior autoavaliação da alimentação. Pacientes em risco para disfagia apresentaram pior autoavaliação da qualidade de vida em cinco dos 11 domínios, pior nível de ingesta de alimentos via oral e pior gravidade da disfagia. Conclusão: pacientes internados com COVID-19 comumente apresentam queixas de deglutição e encontram-se em risco para disfagia, apresentando pior autoavaliação da qualidade de vida, menor nível em classificação da escala de ingesta de alimentos via oral e pior classificação da gravidade da disfagia.

Interplay of Nutrition and Psychoneuroendocrineimmune Modulation: Relevance for COVID-19 in BRICS Nations

The consequences of COVID-19 are not limited to physical health deterioration; the impact on neuropsychological well-being is also substantially reported. The inter-regulation of physical health and psychological well-being through the psychoneuroendocrineimmune (PNEI) axis has enduring consequences in susceptibility, treatment outcome as well as recuperation. The pandemic effects are upsetting the lifestyle, social interaction, and financial security; and also pose a threat through perceived fear. These consequences of COVID-19 also influence the PNEI system and wreck the prognosis. The nutritional status of individuals is also reported to have a determinative role in COVID-19 severity and convalescence. In addition to energetic demand, diet also provides precursor substances [amino acids (AAs), vitamins, etc.] for regulators of the PNEI axis such as neurotransmitters (NTs) and immunomodulators. Moreover, exaggerated immune response and recovery phase of COVID-19 demand additional nutrient intake; widening the gap of pre-existing undernourishment. Mushrooms, fresh fruits and vegetables, herbs and spices, and legumes are few of such readily available food ingredients which are rich in protein and also have medicinal benefits. BRICS nations have their influences on global development and are highly impacted by a large number of confirmed COVID-19 cases and deaths. The adequacy and access to healthcare are also low in BRICS nations as compared to the rest of the world. Attempt to combat the COVID-19 pandemic are praiseworthy in BRICS nations. However, large population sizes, high prevalence of undernourishment (PoU), and high incidence of mental health ailments in BRICS nations provide a suitable landscape for jeopardy of COVID-19. Therefore, appraising the interplay of nutrition and PNEI modulation especially in BRICS countries will provide better understanding; and will aid in combat COVID-19. It can be suggested that the monitoring will assist in designing adjunctive interventions through medical nutrition therapy and psychopsychiatric management.