Possibilities of the non-invasive electrogastrography.

E Atanassova, I Daskalov
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引用次数: 0

Abstract

A non-invasive method for recording the electrical activity of the gastric muscle wall is presented. Electrogastrograms (EGG) with cutaneous electrodes on the abdominal wall were recorded using an original electrogastrograph. High-quality records without cardiac artifacts allowed for identification of waves belonging to the quiescent or activity period of the migrating myoelectric complex (MMC). The amplitude of the waves of the activity period of MMC were almost twice higher than that of the waves of the quiescent period. The wave amplitude immediately after feeding increased two times and a half compared to that during fasting. The high-amplitude waves in the activity periods of MMC and after feeding in the electrogastromyograms (EGMG) of dogs corresponded to bursts of spike potentials with slow potentials, i.e. to intense gastric muscle wall contractions. The method could contribute to the diagnosis of gastric motility disturbances in clinical practice.

无创胃电摄影的可能性。
提出了一种记录胃肌壁电活动的非侵入性方法。使用原始胃电图记录腹壁皮肤电极的胃电图(EGG)。没有心脏伪影的高质量记录允许识别属于迁移肌电复合体(MMC)的静止或活动时期的波。MMC活跃期的波幅几乎是静止期波幅的2倍。与禁食时相比,进食后的波幅增加了1.5倍。狗的胃肌电图(EGMG)在MMC活动期和进食后的高振幅波与慢电位的尖峰电位爆发相对应,即与胃肌壁剧烈收缩相对应。该方法有助于临床对胃运动障碍的诊断。
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