Mário Morais

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According to the WHO, 16-18 million people in Central and South America are infected by Trypanosoma cruzi. Chagasic achalasia affects between 7.1% and 10.6% of the population. The aim of this study was to evaluate the effects of Botox injections in the clinical response and esophageal function of patients with dysphagia due to chagasic achalasia. In total,(More)
Biliary and pancreatic stents are effective tools in the management of obstructive jaundice (both malignant and benign), pancreatic pseudocyst drainage, and as treatment for biliary and pancreatic fistulae. Unfortunately, stents may become blocked and require replacement in a number of patients. In the present study a blocked stent from a patient with(More)
Xanthoxyline, an active constituent isolated from leaves and stems of Sebastiania schottiana and Phyllanthus seUowianus was found to possess antifungal activity. The disk diffusion method was used for the test. The results showed that xanthoxyline inhibited 69 9% of the fungi species like Candida, Microsporum, Tnchophyton, AspergiUus and PeniciUium,(More)
BACKGROUND Upper gastrointestinal endoscopy has been reported as a risk factor for the transmission of Helicobacter pylori. The aim of this study was to evaluate the possibility of transmission of H. pylori infection by upper gastrointestinal endoscopy in patients who had previously had such procedures in a low disinfection level environment. METHODS The(More)
Through a prospective controlled study of 81 non-selected patients with acute cerebral ischemia, admitted to the hospital over the period of one year, anticardiolipin antibodies (IgG and IgM) were compared to a control group with the objective of evaluating their place as independent risk factors for stroke. Stroke patients' anticardiolipin antibodies (ACA)(More)
Endoscopy therapy of pancreatic pseudocyst has been described as an efficient method. We report six cases of pancreatic pseudocyst treated by pancreatic stenting (three cases), cystogastrostomy (three cases) and cystoduodenostomy (one case). Rapid symptomatic improvement and pseudocyst regression were noted in all cases, except one. Such patient needed(More)
Introduction: Spirometry is essential for evaluating asthmatic patients, and it is possible to perform it in preschool age children. However, there are no studies that demonstrate spirometry and bronchodilator test (BD) differences in asthmatic children and those with other clinical conditions, such as nonatopic recurrent wheezing (NRW) and chronic cough.(More)
Helicobacter pylori is a Gram negative bacteria that colonizes gastric epithelial cells. It has been associated with several gastric disease including chronic gastritis and peptic ulcer. Helicobacter pylori infection diagnosis can be done with invasive and non-invasive methods. In invasive methods an endoscopic gastric mucosa biopsy specimen is used. In our(More)
BACKGROUND Esophageal band ligation is considered to be as efficient as endoscopic sclerotherapy, with a lower complication rate, including bacteremia. There are few studies comparing the two methods. The aim of this study was to compare the incidence of bacteremia after both treatments in patients with portal hypertension secondary to schistosomiasis. (More)
We present the case of a 37 years old woman with mediastinal lymphadenopathy since the age of 13. At de age of 14, the patient presented a left cervical lymphadenopathy and the onset of episodic nodose erythema. One year later, histological examinations of an enlarged lymph node revealed sarcoidal granulomata. Corticotherapy was prescribed and the patient(More)
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