Pressure morphology of the relaxed lower esophageal sphincter: The formation and collapse of the phrenic ampulla

American Journal of Physiology - Gastrointestinal and Liver Physiology

Volumn 302, Issue 3, 2012, Pages

  Kwiatek, Monika A ^a   Nicodème, Frédéric ^a   Pandolfino, John E ^a   Kahrilas, Peter J ^a  

^a NORTHWESTERN UNIVERSITY   (United States)

Author keywords

Esophageal bolus transit; Esophageal manometry; Lower esophageal sphincter; Peristalsis

Indexed keywords

ADULT; ANATOMICAL VARIATION; ARTICLE; COLUMNAR EPITHELIUM; CONTRACTILE DECELERATION POINT; CONTROLLED STUDY; DECELERATION; DIAPHRAGM; ESOPHAGUS; ESOPHAGUS MANOMETRY; FEMALE; FLUOROSCOPY; HUMAN; HUMAN EXPERIMENT; INTESTINE TRANSIT TIME; LOWER ESOPHAGUS SPHINCTER; MALE; MUSCLE TONE; NORMAL HUMAN; PERISTALSIS; PHRENIC AMPULLA; PRESSURE MEASUREMENT; PRIORITY JOURNAL; SMOOTH MUSCLE CONTRACTION; SQUAMOCOLUMNAR JUNCTION; STOMACH; STOMACH EMPTYING; VASODILATATION; VATER PAPILLA; VIDEOFLUOROSCOPY;

ADULT; BIOMECHANICS; DEGLUTITION; ESOPHAGEAL SPHINCTER, LOWER; FEMALE; FLUOROSCOPY; HUMANS; MALE; MANOMETRY; MIDDLE AGED; MUSCLE CONTRACTION; MUSCLE, SMOOTH; PERISTALSIS; PRESSURE; YOUNG ADULT;

EID: 84856190666     PISSN: 01931857     EISSN: 15221547     Source Type: Journal    
DOI: 10.1152/ajpgi.00385.2011     Document Type: Article

References (20)

1. Brasseur JG, Ulerich R, Dai Q, Patel DK, Soliman AM, Miller LS. Pharmacological dissection of the human gastro-oesophageal segment into three sphincteric components. J Physiol 580: 961-975, 2007.
2. Christensen J, Fang S, Rick GA. NADPH-diaphorase-positive nerve fibers in smooth muscle layers of opossum esophagus: gradients in density. J Auton Nerv Syst 52: 99-105, 1995.
3. Christensen J, Miftakhov R. Hiatus hernia: a review of evidence for its origin in esophageal longitudinal muscle dysfunction. Am J Med 108, Suppl 4a: 3S-7S, 2000.
4. Clark MD, Rinaldo JA Jr, Eyler WR. Correlation of manometric and radiologic data from the esophagogastric area. Radiology 94: 261-270, 1970.
5. Clouse RE, Staiano A. Topography of the esophageal peristaltic pressure wave. Am J Physiol Gastrointest Liver Physiol 261: G677-G684, 1991.
6. Clouse RE, Staiano A, Bickston SJ, Cohn SM. Characteristics of the propagating pressure wave in the esophagus. Dig Dis Sci 41: 2369-2376, 1996.
7. Dodds WJ, Stewart ET, Hodges D, Zboralske FF. Movement of the feline esophagus associated with respiration and peristalsis. An evaluation using tantalum markers. J Clin Invest 52: 1-13, 1973.
8. Dogan I, Bhargava V, Liu J, Mittal RK. Axial stretch: A novel mechanism of the lower esophageal sphincter relaxation. Am J Physiol Gastrointest Liver Physiol 292: G329-G334, 2007.
9. Jiang Y, Bhargava V, Mittal RK. Mechanism of stretch-activated excitatory and inhibitory responses in the lower esophageal sphincter. Am J Physiol Gastrointest Liver Physiol 297: G397-G405, 2009.
10. Kahrilas PJ, Dodds WJ, Hogan WJ. Effect of peristaltic dysfunction on esophageal volume clearance. Gastroenterology 94: 73-80, 1988.
11. Kahrilas PJ, Wu S, Lin S, Pouderoux P. Attenuation of esophageal shortening during peristalsis with hiatus hernia. Gastroenterology 109: 1818-1825, 1995.
12. Kwiatek MA, Pandolfino JE, Kahrilas PJ. 3D-high resolution manometry of the esophagogastric junction. Neurogastroenterol Motil 2011.
13. Lin S, Brasseur JG, Pouderoux P, Kahrilas PJ. The phrenic ampulla: distal esophagus or potential hiatal hernia? Am J Physiol Gastrointest Liver Physiol 268: G320-G327, 1995.
14. Mittal RK, Liu J, Puckett JL, Bhalla V, Bhargava V, Tipnis N, Kassab G. Sensory and motor function of the esophagus: lessons from ultrasound imaging. Gastroenterology 128: 487-497, 2005.
15. Nicosia MA, Brasseur JG, Liu JB, Miller LS. Local longitudinal muscle shortening of the human esophagus from high-frequency ultrasonography. Am J Physiol Gastrointest Liver Physiol 281: G1022-G1033, 2001.
16. Pandolfino JE, Leslie E, Luger D, Mitchell B, Kwiatek MA, Kahrilas PJ. The contractile deceleration point: an important physiologic landmark on oesophageal pressure topography. Neurogastroenterol Motil 22: 395-400, 2010.
17. Pouderoux P, Lin S, Kahrilas PJ. Timing, propagation, coordination, and effect of esophageal shortening during peristalsis. Gastroenterology 112: 1147-1154, 1997.
18. Sugarbaker DJ, Rattan S, Goyal RK. Mechanical and electrical activity of esophageal smooth muscle during peristalsis. Am J Physiol Gastrointest Liver Physiol 246: G145-G150, 1984.
19. Sugarbaker DJ, Rattan S, Goyal RK. Swallowing induces sequential activation of esophageal longitudinal smooth muscle. Am J Physiol Gastrointest Liver Physiol 247: G515-G519, 1984.
20. Yassi R, Cheng LK, Rajagopal V, Nash MP, Windsor JA, Pullan AJ. Modeling of the mechanical function of the human gastroesophageal junction using an anatomically realistic three-dimensional model. J Biomech 42: 1604-1609, 2009.