Rhythmic and spatial abnormalities of gastric slow waves in patients with functional dyspepsia

Journal of Clinical Gastroenterology
Weihong ShaJiande D Z Chen

Abstract

The objectives of this study were to assess differences in gastric slow waves measured by a newly approved multichannel electrogastrogram (EGG) device between patients with functional dyspepsia (FD) and healthy controls. Gastric myoelectrical activity was measured by multichannel EGG for 1 hour preprandially and for 2 hours postprandially in 72 FD patients and 16 healthy volunteers. Computerized spectral analysis methods were used to compute various EGG parameters. (1) Multichannel EGG was abnormal in 83.3% of patients. (2) The regularity of the gastric slow wave was significantly lower in the FD patients in both fasting and fed states; the lowest regularity was seen in channel 3. (3) There was a significantly higher incidence of arrhythmia and tachygastria in FD patients. The highest percentage of arrhythmia and tachygastria were both seen in channel 3. (4) The FD patients showed a significantly lower percentage of slow wave coupling among the 4-channel EGGs in the fed state. (5) The postprandial-preprandial power ratio was significantly less in FD patients. (6) These patients had high symptom scores particularly to nausea, upper abdominal pain, and bloating. However, no significant correlation was noted between the EGG parame...Continue Reading

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Citations

Oct 19, 2011·The Journal of Physiology·Poong-Lyul RheeSean M Ward
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Aug 15, 2014·Clinical and Experimental Pharmacology & Physiology·Gregory O'GradyLeo K Cheng
Oct 30, 2013·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·Y W MinP-L Rhee
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Jun 2, 2017·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·Gao-Jue WuJiande D Z Chen
Jun 9, 2018·World Journal of Gastroenterology : WJG·Niranga Manjuri Devanarayana, Shaman Rajindrajith
Jun 2, 2020·World Journal of Gastroenterology : WJG·Yu GuoJiande Dz Chen
Dec 5, 2020·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·Daniel A CarsonChristopher N Andrews
Feb 25, 2021·American Journal of Physiology. Gastrointestinal and Liver Physiology·Ying ZhuJiande D Z Chen
May 11, 2021·Frontiers in Neuroscience·Leo K ChengNiranchan Paskaranandavadivel
Apr 3, 2021·Journal of Pediatric Gastroenterology and Nutrition·Sameer BhatArmen A Gharibans

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