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  • Title: Electrogastrography in patients with gastroparesis and effect of long-term cisapride.
    Author: Rothstein RD, Alavi A, Reynolds JC.
    Journal: Dig Dis Sci; 1993 Aug; 38(8):1518-24. PubMed ID: 8344110.
    Abstract:
    Abnormalities in the gastric pacemaker potentials occur in patients with impaired gastric emptying. It is unclear if treatment effects the underlying rhythm or if normalization of dysrhythmias is important. We examined the effect of cisapride using surface electrogastrograms and radionuclide gastric emptying studies of patients with idiopathic and diabetic gastroparesis. Twelve of 14 patients had abnormal baseline electrogastrograms. After six months of cisapride, four patients had normalization of their electrical activity and six had improvement. Patients with idiopathic gastroparesis had an increase in gastric emptying at 120 min from 48.9 +/- 3.8% (baseline) to 70.9 +/- 6.0% (six months), P = 0.009. Patients with diabetes mellitus had a similar improvement. Patients who had normalization of the electrogastrogram had a greater gastric emptying rate than patients with continued dysrhythmias. Thus, dysrhythmias are important in the etiology for gastroparesis, but other factors need to be examined.
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