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Titolo:
Effect of bolus consistency on swallowing - does altering consistency help?
Autore:
Raut, VV; McKee, GJ; Johnston, BT;
Indirizzi:
Royal Victoria Hosp, Dept Med, Belfast BT12 6BA, Antrim, North Ireland Royal Victoria Hosp Belfast Antrim North Ireland BT12 6BA , North Ireland Royal Victoria Hosp, Dept Otorhinolaryngol, Belfast BT12 6BA, Antrim, North Ireland Royal Victoria Hosp Belfast Antrim North Ireland BT12 6BA , North Ireland
Titolo Testata:
EUROPEAN ARCHIVES OF OTO-RHINO-LARYNGOLOGY
fascicolo: 1, volume: 258, anno: 2001,
pagine: 49 - 53
SICI:
0937-4477(200101)258:1<49:EOBCOS>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
ESOPHAGEAL SPHINCTER PRESSURE; VISCOSITY; VOLUME; HUMANS; OROPHARYNGEAL; PERISTALSIS; STROKE; AGE;
Keywords:
swallowing; bolus consistency; upper oesophageal sphincter; manometry;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Raut, VV 59 Hermitage Aghnatrisk Rd, Hillsborough BT26 6RJ, Co Down, NorthIreland 59 Hermitage Aghnatrisk Rd Hillsborough Co Down North Ireland BT26 6RJ
Citazione:
V.V. Raut et al., "Effect of bolus consistency on swallowing - does altering consistency help?", EUR ARCH OT, 258(1), 2001, pp. 49-53

Abstract

The influence of food bolus consistency on the pharyngeal wave during swallowing was investigated using a four-sensor manometry probe in 22 healthy volunteers. Pharyngeal pressures were recorded for 5 ml boluses of water, pudding and buttered bread via a manometry probe placed transnasally. The distal sensor was sited within the upper oesophageal sphincter (UOS); the three proximal sensors were then located 2, 4 and 6 cm above the UOS. The amplitude and timing of the swallow waveforms for pudding and buttered bread were recorded and compared with those for water. Increased bolus viscosity ledto increased amplitude of the bolus wave and clearing contraction within the pharynx. In the UOS, increased bolus viscosity was associated with a larger pressure nadir (sub-atmospheric pressure) on opening and intra bolus pressure during transit. Bolus consistency also influenced the coordination of the swallow response with delayed pharyngeal clearance. The putative relevance of these findings to dietary modification fur patients with neurological and neuromuscular dysphagia is discussed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 20/01/20 alle ore 07:44:53