start-ver=1.4 cd-journal=joma no-vol=34 cd-vols= no-issue=2 article-no= start-page=845 end-page=848 dt-received= dt-revised= dt-accepted= dt-pub-year=2020 dt-pub=20204 dt-online= en-article= kn-article= en-subject= kn-subject= en-title= kn-title=Comparison of Saccharin Time in Nursing Home Residents With and Without Pneumonia: A Preliminary Study en-subtitle= kn-subtitle= en-abstract= kn-abstract=ackground/Aim: Although mucociliary clearance is important for preventing pneumonia, its association with the onset of pneumonia is unclear. The aim of this study is to examine the association between saccharin test results as a potential measure of mucociliary clearance and history of pneumonia in nursing home residents. Patients and Methods: Ninety elderly nursing home residents (elderly group) were selected, 35 of whom had a history of pneumonia. Twenty-five healthy adults (adult group) were also investigated to provide baseline values for this study. We conducted the saccharin test to evaluate mucociliary clearance and compared the saccharin time (ST) between those with and without history of pneumonia. Results: Mean ST in the adult group was 12}6 min. The ST in the pneumonia group was significantly longer than that in the non-pneumonia group (32}23 min vs. 17}13 min) (p<0.05). Conclusion: Impaired mucociliary clearance is a factor in the development of pneumonia among nursing home residents. en-copyright= kn-copyright= en-aut-name=UchidaYurika en-aut-sei=Uchida en-aut-mei=Yurika kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=1 ORCID= en-aut-name=NoharaKanji en-aut-sei=Nohara en-aut-mei=Kanji kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=2 ORCID= en-aut-name=TanakaNobukazu en-aut-sei=Tanaka en-aut-mei=Nobukazu kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=3 ORCID= en-aut-name=FujiiNami en-aut-sei=Fujii en-aut-mei=Nami kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=4 ORCID= en-aut-name=FukatsuHikari en-aut-sei=Fukatsu en-aut-mei=Hikari kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=5 ORCID= en-aut-name=KanekoNobuko en-aut-sei=Kaneko en-aut-mei=Nobuko kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=6 ORCID= en-aut-name=MitsuyamaMakoto en-aut-sei=Mitsuyama en-aut-mei=Makoto kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=7 ORCID= en-aut-name=SakaiTakayoshi en-aut-sei=Sakai en-aut-mei=Takayoshi kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=8 ORCID= affil-num=1 en-affil=Division of Hospital Dentistry, Okayama University Hospital kn-affil= affil-num=2 en-affil=Department of Oral-Facial Disorders, Osaka University Graduate School of Dentistry kn-affil= affil-num=3 en-affil=Division of Oral-Facial Disorders, Osaka University Dental Hospital kn-affil= affil-num=4 en-affil=Division of Oral-Facial Disorders, Osaka University Dental Hospital kn-affil= affil-num=5 en-affil=Division of Oral-Facial Disorders, Osaka University Dental Hospital kn-affil= affil-num=6 en-affil=Naniwa College of Dental Hygiene kn-affil= affil-num=7 en-affil=Medical Corporation Keieikai kn-affil= affil-num=8 en-affil=Department of Oral-Facial Disorders, Osaka University Graduate School of Dentistry kn-affil= en-keyword=Aged kn-keyword=Aged en-keyword=deglutition disorders kn-keyword=deglutition disorders en-keyword=mucociliary clearance kn-keyword=mucociliary clearance en-keyword=nursing home kn-keyword=nursing home en-keyword=pneumonia kn-keyword=pneumonia END