Expanding Rehabilitation Options for Dysphagia: Skill-Based Swallowing Training.
Maggie-Lee Huckabee, Ruth Flynn, Madeline Mills
PMID 36097215WHAT IT FOUND
This review argues that swallowing is a cortical skill, not just a muscle reflex.
It suggests that training timing and coordination via biofeedback may help patients with motor planning deficits, rather than just weakness. No new patient data was generated.
Key findings
01The review synthesizes evidence that swallowing involves significant cortical control, challenging the view that it is purely a brainstem reflex amenable only to strengthening.
02It highlights studies where biofeedback training (e.g., for UES pressure or pharyngeal timing) successfully modified swallowing components in small groups, suggesting potential for skill-based rehabilitation.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
This is a narrative review, not a systematic review or meta-analysis, so the selection of studies to include may be biased toward the authors' hypotheses. The studies cited often have very small sample sizes (e.g., n=6, n=10, n=16) and include healthy participants, limiting generalizability to complex dysphagia populations. The concept of 'swallowing apraxia' is noted as not fully defined or standardized in the literature. Many of the cited interventions require specialized equipment (high-resolution manometry, fMRI, NIBS) that is not widely available in clinical settings.
The easy way to misread this
Do not treat this as evidence that skill-based training is a proven standard of care. The review summarizes small, often preliminary studies and theoretical arguments. It does not provide a validated protocol or confirm that these methods are superior to existing treatments for the general dysphagia population.