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Twelve-Month Outcomes of a Preventive Dysphagia Intervention in Patients With Head and Neck Cancer-A Randomized Study
Kerstin Petersson1,2, Signe Rödseth Smith2,3, Charlotte Johansson-Malmeling2,3
1Department of Otorhinolaryngology, Head and Neck Surgery, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
Background:
Radiation-associated dysphagia is common after radiotherapy for head and neck cancer and may occur early or years later. The effect of preventive exercises might be undermined by poor adherence.
Aim:
To evaluate the effect of a simple preventive exercise protocol on swallowing function up to 12 months after radiotherapy.
Methods:
Patients were randomized to an active group (n = 45) or control group (n = 44). The active group performed preventive exercises including the tongue hold exercise. Assessments were conducted before radiotherapy and at 1, 6, and 12 months post-treatment using the Penetration-Aspiration Scale, DIGEST-FEES, and the M. D. Anderson dysphagia inventory.
Results:
No significant differences were found between groups. However, participants with ≥ 75% adherence in the active group showed significantly less deterioration at 12 months on the penetration-aspiration scale.
Conclusions:
Overall, no significant effect on swallowing function was demonstrated. However, results indicate that high adherence reduces deterioration.
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