• 1
    Agrawal A, Hila A, Tutuian R, Mainie I, Castell DO. Clinical relevance of the nutcracker esophagus: suggested revision of criteria for diagnosis. J Clin Gastroenterol 2006; 40: 5049.
  • 2
    Pehlivanov N, Liu J, Mittal RK. Sustained esophageal contraction: a motor correlate of heartburn symptom. Am J Physiol Gastrointest Liver Physiol 2001; 281: G74351.
  • 3
    Behar J, Biancani P. Pathogenesis of simultaneous esophageal contractions in patients with motility disorders. Gastroenterology 1993; 105: 1118.
  • 4
    Brito EM, Camacho-Lobato L, Paoletti V, Gideon M, Katz PO, Castell DO. Effect of different swallow time intervals on the nutcracker esophagus. Am J Gastroenterol 2003; 98: 405.
    Direct Link:
  • 5
    Dogan I, Puckett JL, Padda BS, Mittal RK. Prevalence of increased esophageal muscle thickness in patients with esophageal symptoms. Am J Gastroenterol 2007; 102: 13745.
    Direct Link:
  • 6
    Jung HY, Puckett JL, Bhalla V et al. Asynchrony between the circular and the longitudinal muscle contraction in patients with nutcracker esophagus. Gastroenterology 2005; 128: 117986.
  • 7
    Korsapati H, Bhargava V, Mittal RK. Reversal of asynchrony between circular and longitudinal muscle contraction in nutcracker esophagus by atropine. Gastroenterology 2008; 135: 796802.
  • 8
    Achem SR, Kolts BE, Wears R, Burton L, Richter JE. Chest pain associated with nutcracker esophagus: a preliminary study of the role of gastroesophageal reflux. Am J Gastroenterol 1993; 88: 18792.
  • 9
    Mittal RK, Ren J, McCallum RW, Shaffer HA Jr, Sluss J. Modulation of feline esophageal contractions by bolus volume and outflow obstruction. Am J Physiol 1990; 258: G20815.
  • 10
    Burton PR, Brown W, Laurie C et al. The effect of laparoscopic adjustable gastric bands on esophageal motility and the gastroesophageal junction: analysis using high-resolution video manometry. Obes Surg 2009; 19: 90514.
  • 11
    Anderson KO, Dalton CB, Bradley LA, Richter JE. Stress induces alteration of esophageal pressures in healthy volunteers and non-cardiac chest pain patients. Dig Dis Sci 1989; 34: 8391.
  • 12
    Benjamin SB, Gerhardt DC, Castell DO. High amplitude, peristaltic esophageal contractions associated with chest pain and/or dysphagia. Gastroenterology 1979; 77: 47883.
  • 13
    Kahrilas PJ. Nutcracker esophagus: an idea whose time has gone? Am J Gastroenterol 1993; 88: 1679.
  • 14
    Tutuian R, Castell DO. Combined multichannel intraluminal impedance and manometry clarifies esophageal function abnormalities: study in 350 patients. Am J Gastroenterol 2004; 99: 10119.
    Direct Link:
  • 15
    Ghosh SK, Pandolfino JE, Zhang Q, Jarosz A, Shah N, Kahrilas PJ. Quantifying esophageal peristalsis with high-resolution manometry: a study of 75 asymptomatic volunteers. Am J Physiol Gastrointest Liver Physiol 2006; 290: G98897.
  • 16
    Spechler SJ, Castell DO. Classification of oesophageal motility abnormalities. Gut 2001; 49: 14551.
  • 17
    Katzka DA, Sidhu M, Castell DO. Hypertensive lower esophageal sphincter pressures and gastroesophageal reflux: an apparent paradox that is not unusual. Am J Gastroenterol 1995; 90: 2804.
  • 18
    Gockel I, Lord RV, Bremner CG, Crookes PF, Hamrah P, DeMeester TR. The hypertensive lower esophageal sphincter: a motility disorder with manometric features of outflow obstruction. J Gastrointest Surg 2003; 7: 692700.
  • 19
    Pandolfino JE, Fox MR, Bredenoord AJ, Kahrilas PJ. High-resolution manometry in clinical practice: utilizing pressure topography to classify oesophageal motility abnormalities. Neurogastroenterol Motil 2009; 21: 796806.
  • 20
    Fox MR, Bredenoord AJ. Oesophageal high-resolution manometry: moving from research into clinical practice. Gut 2008; 57: 40523.
  • 21
    Clouse RE, Staiano A. Topography of normal and high-amplitude esophageal peristalsis. Am J Physiol 1993; 265: G1098107.
  • 22
    Clouse RE, Staiano A, Alrakawi A. Topographic analysis of esophageal double-peaked waves. Gastroenterology 2000; 118: 46976.
  • 23
    Roman S, Pandolfino JE, Chen J, Boris L, Luger D, Kahrilas PJ. Phenotypes and clinical context of hypercontractility in high resolution pressure topography (EPT). Am J Gastroenterol 2011. doi: 10.1038/ajg.2011.313 [Epub ahead of print].
  • 24
    Richter JE, Wu WC, Johns DN et al. Esophageal manometry in 95 healthy adult volunteers. Variability of pressures with age and frequency of “abnormal” contractions. Dig Dis Sci 1987; 32: 58392.
  • 25
    Sampath NJ, Bhargava V, Mittal RK. Genesis of multipeaked waves of the esophagus: repetitive contractions or motion artifact? Am J Physiol Gastrointest Liver Physiol 2010; 298: G92733.
  • 26
    Gyawali CP, Kushnir VM. High-resolution manometric characteristics help differentiate types of distal esophageal obstruction in patients with peristalsis. Neurogastroenterol Motil 2011; 23: 502e197.
  • 27
    Pandolfino JE, Ghosh SK, Rice J, Clarke JO, Kwiatek MA, Kahrilas PJ. Classifying esophageal motility by pressure topography characteristics: a study of 400 patients and 75 controls. Am J Gastroenterol 2008; 103: 2737.
    Direct Link:
  • 28
    Pandolfino JE, Kwiatek MA, Nealis T, Bulsiewicz W, Post J, Kahrilas PJ. Achalasia: a New Clinically Relevant Classification by High-Resolution Manometry. Gastroenterology 2008; 135: 152633.
  • 29
    Pandolfino JE, Roman S, Carlson D et al. Distal esophageal spasm in high-resolution esophageal pressure topography: defining clinical phenotypes. Gastroenterology 2011; 141: 46975.
  • 30
    Roman S, Lin Z, Kwiatek MA, Pandolfino JE, Kahrilas PJ. Weak peristalsis in esophageal pressure topography: classification and association with dysphagia. Am J Gastroenterol 2011; 106: 34956.
  • 31
    Roman S, Pandolfino JE, Chen J, Boris L, Luger D, Kahrilas PJ. Phenotypes and Clinical Context of Hypercontractility in High-Resolution Esophageal Pressure Topography (EPT). Am J Gastroenterol. 2011; Sep 20. doi: 10.1038/ajg.2011.313. [Epub ahead of print] PMID:21931377
  • 32
    Hoshino M, Sundaram A, Juhasz A, et al. High-resolution impedance manometry findings in patients with nutcracker esophagus. J Gastroenterol Hepatol 2011. doi: 10.1111/j.1440-1746.2011.06911x [Epub ahead of print].