Repetitive saliva swallowing test and water swallowing test may identify a COPD phenotype at high risk of exacerbation.
Yuki YoshimatsuKazunori TobinoTakuto SueyasuSaori NishizawaYuki GotoKojin MurakamiMiyuki MunechikaKohei YoshimineHiroyuki MiyajimaPublished in: The clinical respiratory journal (2019)
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.