Rhythmic and spatial abnormalities of gastric slow waves in patients with functional dyspepsia
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
References
Gastric emptying and myoelectrical activity in children with nonulcer dyspepsia. Effect of cisapride
Modulation of intracellular calcium transients and dopamine release by neuropeptide Y in PC-12 cells
Citations
Strategies to Refine Gastric Stimulation and Pacing Protocols: Experimental and Modeling Approaches.
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