Repetitive saliva swallowing test and water swallowing test may identify a COPD phenotype at high risk of exacerbation.
CLINICAL RESPIRATORY JOURNAL(2019)
摘要
Introduction: Patients with chronic obstructive pulmonary disease (COPD) are known to present with dysphagia from an early stage. Dysphagia leads to swallowing-related complications, in turn leading to COPD exacerbation. Dysphagia screening is recommended; however little is known of its utility in detecting a COPD phenotype at risk for exacerbation. The simple swallowing provocation test (SSPT), considered to be a standard screening test, requires specific equipment, physician skill and patient discomfort. Objectives: The aim of this study was to find an easier and less invasive measure to screen for dysphagia in patients with COPD. Methods: We retrospectively reviewed patients with COPD who were screened for dysphagia [Repetitive saliva swallowing test (RSST), water swallowing test (WST), SSPT and a questionnaire] from June to November 2016. The patients were classified into two groups according to the presence of COPD exacerbation in the past 3 years (ie, exacerbation and non-exacerbation group), and the dysphagia screening results were compared between the groups. Results: Of the 80 cases included, 42 had 1 or more exacerbations in the past 3 years (exacerbation group), and 38 had none (non-exacerbation group). Statistically significant differences between the groups were observed in the RSST, and vocal change in the WST (P < 0.05). There were no significant differences between the groups in the results of SSPT, COPD stage and other clinical status. Conclusions: Compared to the SSPT, RSST and WST may be more appropriate screening methods in patients with COPD. A prospective study is necessary for further assessment.
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关键词
aspiration,COPD,dysphagia,RSST,screening,WST
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