In this study, gastric myoelectric activity in patients with acute cerebral infarction was investigated using electrogastrography. The patients were divided into four groups; those with mild brainstem infarction(group A, n=13, men:8, women:5, 75±2 years old), severe brainstem infarction(group B, n=6, men:4, women:2, 79±4 years old), mild non-brainstem infarction(group C, n=14, men:7, women:7, 76±3 years old), and severe non-brainstem infarction(group D, n=9, men:3, women:6, 87±2 years old). In group B, the% ratio of normogastria(2.4-3.6 cycles per minute)was significantly lower in the fasting period. The dominant power(DP)significantly increased after the meal in group C, but did not in group A, compared to before the meal. The DP increased in all patients in group C after the meal, whereas it increased in only five of ten patients in group A. The possibility of gastric dysfunction should be considered in patients with brainstem infarction.
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