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New technologies to evaluate esophageal function. 2007

Karthik Ravi, and Dawn L Francis
Mayo Clinic, Department of Internal Medicine, Rochester, MN 55905, USA. ravi.karthik@mayo.edu

This review provides an overview of the recent advances made in diagnostic technologies of esophageal functional disorders. There is discussion of technologies that evaluate esophageal motor function with special attention to high-resolution manometry and esophageal manometry combined with intraluminal impedance testing. Technologies to evaluate gastroesophageal reflux disease are presented with focus on 24-h ambulatory pH monitoring with intraluminal impedance testing and 48-h ambulatory catheter-free pH monitoring. These new technologies have advanced the study and treatment of esophageal disorders in that they allow for more accurate diagnosis of known esophageal disorders and have introduced previously unexplored disorders, such as achalasia with shortening of the esophagus and nonacid reflux.

UI MeSH Term Description Entries
D008365 Manometry Measurement of the pressure or tension of liquids or gases with a manometer. Tonometry,Manometries
D004947 Esophagus The muscular membranous segment between the PHARYNX and the STOMACH in the UPPER GASTROINTESTINAL TRACT.
D005764 Gastroesophageal Reflux Retrograde flow of gastric juice (GASTRIC ACID) and/or duodenal contents (BILE ACIDS; PANCREATIC JUICE) into the distal ESOPHAGUS, commonly due to incompetence of the LOWER ESOPHAGEAL SPHINCTER. Esophageal Reflux,Gastro-Esophageal Reflux Disease,GERD,Gastric Acid Reflux,Gastric Acid Reflux Disease,Gastro-Esophageal Reflux,Gastro-oesophageal Reflux,Gastroesophageal Reflux Disease,Reflux, Gastroesophageal,Acid Reflux, Gastric,Gastro Esophageal Reflux,Gastro Esophageal Reflux Disease,Gastro oesophageal Reflux,Gastro-Esophageal Reflux Diseases,Reflux Disease, Gastro-Esophageal,Reflux, Gastric Acid,Reflux, Gastro-Esophageal,Reflux, Gastro-oesophageal
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013677 Medical Laboratory Science The specialty related to the performance of techniques in clinical pathology such as those in hematology, microbiology, and other general clinical laboratory applications. Medical Laboratory Technology,Technology, Medical Laboratory,Clinical Laboratory Science,Clinical Laboratory Sciences,Laboratory Science, Clinical,Laboratory Science, Medical,Laboratory Sciences, Clinical,Laboratory Sciences, Medical,Laboratory Technologies, Medical,Laboratory Technology, Medical,Medical Laboratory Sciences,Medical Laboratory Technologies,Science, Clinical Laboratory,Science, Medical Laboratory,Sciences, Clinical Laboratory,Sciences, Medical Laboratory,Technologies, Medical Laboratory
D017097 Electric Impedance The resistance to the flow of either alternating or direct electrical current. Bioelectrical Impedance,Electric Resistance,Impedance,Ohmic Resistance,Biolectric Impedance,Electrical Impedance,Electrical Resistance,Impedance, Bioelectrical,Impedance, Biolectric,Impedance, Electric,Impedance, Electrical,Ohmic Resistances,Resistance, Electric,Resistance, Electrical,Resistance, Ohmic,Resistances, Ohmic
D050782 Esophageal pH Monitoring Analysis of the HYDROGEN ION CONCENTRATION in the lumen of the ESOPHAGUS. It is used to record the pattern, frequency, and duration of GASTROESOPHAGEAL REFLUX. Ambulatory Esophageal pH Monitoring,Monitoring, Esophageal pH,Ambulatory 24-hour Esophageal pH Monitoring,Esophageal pH Recording,Ambulatory 24 hour Esophageal pH Monitoring,Esophageal pH Monitorings,Esophageal pH Recordings,Monitorings, Esophageal pH,Recording, Esophageal pH,Recordings, Esophageal pH,pH Monitoring, Esophageal,pH Monitorings, Esophageal,pH Recording, Esophageal,pH Recordings, Esophageal

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