{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,25]],"date-time":"2026-04-25T05:14:11Z","timestamp":1777094051547,"version":"3.51.4"},"reference-count":28,"publisher":"Georg Thieme Verlag KG","issue":"01","license":[{"start":{"date-parts":[[2020,4,24]],"date-time":"2020-04-24T00:00:00Z","timestamp":1587686400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int Arch Otorhinolaryngol"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>\n          Introduction\u2003Dysphagia is a relevant symptom in Parkinson disease (PD), and its pathophysiology is poorly understood. To date, researchers have not investigated the effects of combined motor tasks on swallowing. Such an assessment is of particular interest in PD, in which patients have specific difficulties while performing two movements simultaneously.<\/jats:p><jats:p>\n          Objective\u2003The present study tested the hypothesis that performing concurrent tasks could decrease the safety of swallowing in PD patients as visualized using fiberoptic endoscopic evaluation of swallowing (FEES).<\/jats:p><jats:p>\n          Methods\u2003A total of 19 patients and 19 controls matched by age, gender, and level of schooling were compared by FEES under two conditions: isolated swallowing and dual task (swallowing during non-sequential opposition of the thumb against the other fingers). The two tasks involved volumes of food of 3\u2009mL and 5\u2009mL. The PD subjects were classified according to the Hoehn &amp; Yahr (H&amp;Y) Scale, the Mini Mental State Examination (MMSE), and the Montreal Cognitive Assessment (MoCA). The FEES assessment was performed according to the Boston Residue and Clearance Scale (BRACS).<\/jats:p><jats:p>\n          Results\u2003The data showed a significant worsening of swallowing in the dual task assessment for both volumes (3\u2009mL: p\u2009\u2264\u20090.001; 5\u2009mL: p\u2009\u2264\u20090.001) in the PD group. A correlation between the MoCA and dual-task swallowing of 3\u2009mL was also found.<\/jats:p><jats:p>\n          Conclusion\u2003These findings suggest that additional tasks involving manual motor movements result in swallowing impairment in patients with PD. Moreover, these data highlight the need to further evaluate such conditions during treatment and assessment of PD patients.<\/jats:p>","DOI":"10.1055\/s-0039-3402440","type":"journal-article","created":{"date-parts":[[2020,4,24]],"date-time":"2020-04-24T23:53:33Z","timestamp":1587772413000},"page":"e41-e47","source":"Crossref","is-referenced-by-count":12,"title":["Deglutition Impairment during Dual Task in Parkinson Disease Is Associated with Cognitive Status"],"prefix":"10.1055","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2920-5571","authenticated-orcid":false,"given":"Luciana Grolli","family":"Ardenghi","sequence":"additional","affiliation":[{"name":"Department of Speech Therapy, Universidade de Passo Fundo, Passo Fundo, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alana Verza","family":"Signorini","sequence":"additional","affiliation":[{"name":"Program of Graduate Studies in Medical Sciences, Universidade Federal do Rio Grande do Sul, Cesar Lombroso, Porto Alegre, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gerson Schulz","family":"Maahs","sequence":"additional","affiliation":[{"name":"Departament of Health and Human Communication, Speech-Language Pathology Course, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fabio","family":"Selaimen","sequence":"additional","affiliation":[{"name":"Program of Graduate Studies in Medical Sciences, Universidade Federal do Rio Grande do Sul, Cesar Lombroso, Porto Alegre, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Konrado Massing","family":"Deutsch","sequence":"additional","affiliation":[{"name":"Departament of Health and Human Communication, Speech-Language Pathology Course, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Silvia","family":"Dornelles","sequence":"additional","affiliation":[{"name":"Department of Developmental Psychology and Personality Ramiro Barcelos, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carlos Roberto de Mello","family":"Rieder","sequence":"additional","affiliation":[{"name":"Department of Neurology, Universidade Federal de Ci\u00eancias da Sa\u00fade de Porto Alegre, Porto Alegre, Brazil"},{"name":"Department of Neurology, Dist\u00farbios do Movimento, Hospital de Cl\u00ednicas de Porto Alegre, Porto Alegre, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"194","published-online":{"date-parts":[[2020,4,24]]},"reference":[{"key":"ref1","doi-asserted-by":"crossref","first-page":"2055","DOI":"10.1016\/S0140-6736(09)60492-X","article-title":"Parkinson's 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