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Electrogastrography in patients with Chagas' disease.
Joffre Rezende Filho1, Joffre Marcondes De Rezende, José Renan Da Cunha Melo
1Department of Clinica Medica, Hospital das Clinicas da Universidade Federal de Goiás, Goiânia, Brazil.
Digestive Diseases and Sciences
|September 28, 2005
Summary
Electrogastrography (EGG) reveals that patients with Chagas' disease exhibit higher rates of gastric dysrhythmias compared to healthy individuals. These abnormal EGG patterns suggest potential gastrointestinal dysfunction in Chagas' disease patients.
Area of Science:
- Gastroenterology
- Parasitology
- Medical Diagnostics
Background:
- Chagas' disease, caused by *Trypanosoma cruzi*, can affect various organ systems, including the gastrointestinal tract.
- Gastric motility disorders are a potential complication of Chagas' disease, but their prevalence and characteristics are not fully understood.
Purpose of the Study:
- To investigate gastric electrical activity using electrogastrography (EGG) in patients with Chagas' disease.
- To compare EGG parameters between Chagasic patients and a healthy control group.
- To determine if gastric dysrhythmias are associated with Chagas' gastropathy.
Main Methods:
- Electrogastrography (EGG) was performed on 33 patients with Chagas' disease and 15 healthy volunteers.
- EGG recordings were analyzed in both fasting and postprandial states using continuous spectral analysis.
- Key parameters evaluated included normogastria (2-4 cpm), bradygastria (1-2 cpm), and tachygastria (4-10 cpm).
Main Results:
- Chagasic patients exhibited significantly lower normogastria and higher percentages of bradygastria and tachygastria compared to controls.
- Normal EGG findings were observed in 53% of Chagasic patients versus 93% of controls (P < 0.05).
- A higher prevalence of gastric dysrhythmias was found in the Chagasic group.
Conclusions:
- Gastric dysrhythmias are significantly more prevalent in patients with Chagas' disease.
- These findings suggest that gastric dysrhythmias may be a contributing factor to the gastrointestinal abnormalities observed in Chagas' gastropathy.