The effects of aspiration status, liquid type, and bolus volume on pharyngeal peak pressure in healthy older adults.

Dysphagia
Susan G ButlerStephen B Kritchevsky

Abstract

The reasons for aspiration in healthy adults remain unknown. Given that the pharyngeal phase of swallowing is a key component of the safe swallow, it was hypothesized that healthy older adults who aspirate are likely to generate less pharyngeal peak pressures when swallowing. Accordingly, pharyngeal and upper esophageal sphincter pressures were examined as a function of aspiration status (i.e., nonaspirator vs. aspirator), sensor location (upper vs. lower pharynx), liquid type (i.e., water vs. milk), and volume (i.e., 5 vs. 10 ml) in healthy older adults. Manometric measurements were acquired with a 2.1-mm catheter during flexible endoscopic evaluation. Participants (N = 19, mean age = 79.2 years) contributed 28 swallows; during 8 swallows, simultaneous manometric measurements of upper and lower pharyngeal and upper esophageal pressures were obtained. Pharyngeal manometric peak pressure was significantly less for aspirators (mean = 82, SD = 31 mmHg) than for nonaspirators (mean = 112, SD = 20 mmHg), and upper pharyngeal pressures (mean = 85, SD = 32 mmHg) generated less pressure than lower pharyngeal pressures (mean = 116, SD = 38 mmHg). Manometric measurements vary with respect to aspiration status and sensor location. Lower p...Continue Reading

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Citations

Jul 13, 2011·Dysphagia·Martin B BrodskyBonnie Martin-Harris
Feb 9, 2011·The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences·Susan G ButlerStephen B Kritchevsky
Dec 3, 2013·Physiology & Behavior·Susan E SmittkampJohn A Stanford
Nov 1, 2012·The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences·Xin FengSusan G Butler
Sep 6, 2015·The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences·Nozomi OkamotoNorio Kurumatani
Apr 24, 2012·The Laryngoscope·Susan G ButlerStephen B Kritchevsky
Apr 4, 2012·Journal of the American Geriatrics Society·Nozomi OkamotoNorio Kurumatani
Sep 10, 2013·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·T I OmariR J L Fraser
May 15, 2015·Journal of Oral Rehabilitation·E KamarunasT Munn
Dec 1, 2017·The Annals of Otology, Rhinology, and Laryngology·Susan G ButlerStephen B Kritchevsky
Sep 7, 2019·Dysphagia·Marie JardineJacqueline Allen

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