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Factors influencing lower esophageal sphincter relaxation after deglutition
Linköpings universitet, Institutionen för klinisk och experimentell medicin, Kirurgi. Linköpings universitet, Hälsouniversitetet.
Linköpings universitet, Institutionen för klinisk och experimentell medicin, Kirurgi. Linköpings universitet, Hälsouniversitetet.
Linköpings universitet, Institutionen för klinisk och experimentell medicin, Kirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Centrum för kirurgi, ortopedi och cancervård, Kirurgiska kliniken i Östergötland.
2011 (engelsk)Inngår i: World Journal of Gastroenterology, ISSN 1007-9327, E-ISSN 2219-2840, Vol. 17, nr 23, s. 2844-2847Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

AIM: To study the relationship between upper esophageal sphincter (UES) relaxation, peristaltic pressure and lower esophageal sphincter (LES) relaxation following deglutition in non-dysphagic subjects. METHODS: Ten non-dysphagic adult subjects had a high-resolution manometry probe passed transnasally and positioned to cover the UES, the esophageal body and the LES. Ten water swallows in each subject were analyzed for time lag between UES relaxation and LES relaxation, LES pressure at time of UES relaxation, duration of LES relaxation, the distance between the transition level (TL) and the LES, time in seconds that the peristaltic wave was before (negative value) or after the TL when the LES became relaxed, and the maximal peristaltic pressure in the body of the esophagus. RESULTS:Relaxation of the LES occurred on average 3.5 s after the bolus had passed the UES and in most cases when the peristaltic wave front had reached the TL. The LES remained relaxed until the peristaltic wave faded away above the LES. CONCLUSION: LES relaxation seemed to be caused by the peristaltic wave pushing the bolus from behind against the LES gate.

sted, utgiver, år, opplag, sider
Baishideng Publishing Group Co. Limited , 2011. Vol. 17, nr 23, s. 2844-2847
Emneord [en]
Deglutition; Lower esophageal sphincter; Peristalsis; Relaxation; Upper esophageal sphincter
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-69849DOI: 10.3748/wjg.v17.i23.2844ISI: 000292115500008OAI: oai:DiVA.org:liu-69849DiVA, id: diva2:433441
Merknad

DOI does not work: 10.3748/wjg.v17.i23.2844

Tilgjengelig fra: 2011-08-10 Laget: 2011-08-08 Sist oppdatert: 2018-03-05

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Totalt: 118 treff
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