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Changes in Cardiac Function During a Swallow Exercise Program in Patients with Coronary Artery Disease.
Jennifer Barker1,2, Rosemary Martino3,4,5,6, Terrence M Yau7,8
1Peter Munk Cardiac Centre, University Health Network, Toronto General Hospital, 4EB-316, 200 Elizabeth St, Toronto, ON, M5G 2C4, Canada. jenny.barker@uhn.ca.
Patients with coronary artery disease (CAD) and dysphagia showed stable cardiac function during most swallowing exercises. However, the super-supraglottic swallow increased heart rate, and effortful swallows increased arrhythmias.
Area of Science:
- Cardiology
- Neurology
- Speech-Language Pathology
Background:
- Coronary artery disease (CAD) patients may experience cardiac changes during swallowing exercises.
- Pharyngeal dysphagia is common in patients with CAD.
Purpose of the Study:
- To evaluate cardiac function during various swallowing exercises in patients with dysphagia and CAD.
- To assess the safety and feasibility of monitoring cardiovascular responses during these exercises.
Main Methods:
- 20 adults with CAD and dysphagia underwent seven randomized swallowing exercises.
- Objective measures including heart rate, rhythm, oxygen saturation, and blood pressure were recorded.
- Data were analyzed using statistical tests (Wilcoxon signed-rank, McNemar's, Cochran's Q) with significance at p < 0.05.
Main Results:
- Most objective cardiovascular measures remained stable throughout the swallowing exercises.
- A significant increase in heart rate was observed after the super-supraglottic swallow (p < 0.05).
- Increased arrhythmias were noted after the effortful swallow (p < 0.05).
Conclusions:
- Swallowing exercises are generally safe for patients with CAD and dysphagia, but specific maneuvers warrant caution.
- The super-supraglottic swallow and effortful swallow may pose potential cardiovascular risks.
- Telemetry and pulse oximetry are effective for monitoring cardiac function during swallowing therapy.
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Purposes

