Dysphagia treatment may be a way to reduce risk for chronic obstructive pulmonary disease exacerbations, according to Yoshitaka Oku, MD. COPD
exacerbations , according to Yoshitaka Oku, MD, of Hyogo Medical University, Nishinomiya, Japan.
Patients with COPD have altered swallowing behavior because of several factors, including decreased maximal laryngeal elevation, Oku said. Individuals with COPD"are also prone to laryngeal penetration and aspiration when swallowing large volumes of liquid and tend to follow an inspiratory-swallow-expiratory pattern when swallowing large volumes," he explained.
Oku also examined whether CPAP and bilevel positive airway pressure might affect breathing-swallowing coordination in healthy controls and patients with COPD. They found a decrease in breathing-swallowing coordination with CPAP, but not BiPAP, in both controls and stable COPD patients."During BiPAP, a brief negative flow associated with relaxation of the pharyngeal constrictor muscle triggers inspiratory support, which results in the SW-I pattern," Oku noted.
"However, its safety and efficacy in patients with COPD remains unknown," he writes. Oku conducted a study of stable COPD patients and found that repeated salivary swallow test scores improved significantly after an IFC-TESS intervention.
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