ABSTRACT
Purpose
To identify the effects of prophylactic, non-pharmacological measures on the progression of dysphagia in patients with head and neck cancer undergoing radiotherapy.
Research strategies
The search was performed in Medline (via PubMed), Scopus, and Embase databases, as well as in the gray literature.
Selection criteria
Randomized clinical trials were included, with adult patients (≥ 18 years old) and diagnosed with head and neck cancer, treated with radiotherapy (with or without surgery and chemotherapy), and submitted to non-pharmacological protocols for the prevention of dysphagia.
Data analysis
The risk of bias was assessed using the PEDRO scale and the overall quality of evidence was assessed using the GRADE instrument.
Results
Four studies were considered eligible, and of these, two were included in the meta-analysis. The result favored the intervention group, with a mean difference of 1.27 [95% CI: 0.74 to 1.80]. There was low heterogeneity and the mean score for risk of bias was 7.5 out of 11 points. The lack of detail in the care with selection, performance, detection, attrition, and reporting biases contributed to the judgment of the quality of the evidence, considered low.
Conclusion
Prophylactic measures to contain dysphagia can promote important benefits on the oral intake of patients with head and neck cancer when compared to those who did not undergo such a therapeutic measure during radiotherapy.
Keywords:
Prophylaxis; Preventive Measures; Dysphagia; Head and Neck Neoplasms; Radiotherapy
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