Ricardo Guilherme Viebig

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In the past 20 years the association between gastroesophageal reflux and otorhinolaryngological and/or respiratory affections became more evident by many studies. At the same time it is known that regurgitation, abdominal pain, growth retard, among others signs, could be generated by gastroesophageal reflux in infants, and when these signals are present the(More)
In order to better understand the rectosigmoid motor activity in diverticular disease of the colon, we studied 186 patients, grouped according to their intestinal habit, the presence of diverticular disease and previous crisis of sigmoid diverticulitis. The intestinal habit was classified as: normal habit, irritable colon syndrome, diarrhea and(More)
Due to its concern about the future of Brazilian scientific journals after new criteria were adopted by the QUA-LIS system of CAPES (Brazilian Federal Agency for the Improvement of Higher Education), the Brazilian Medical Association (Associação Médica Brasileira-AMB) has held several meetings at its headquarters in São Paulo to discuss this matter. Editors(More)
BACKGROUND/AIMS Despite the progressive development of technology and better knowledge of physiopathology, GERD diagnosis remains a medical problem. The aim of the study is to verify whether the measurement of bile reflux can increase the diagnostic accuracy of GERD. METHODOLOGY 6 healthy volunteers adhered to a standard protocol, 11 Barrett's patients(More)
CONTEXT Faecal incontinence is defined as the involuntary loss of intestinal contents (whether faeces or gas). Although it is not frequently reported, it does cause physical and psychological distress. Traditional Chinese medicine believes that the healthy human body is originally in a state of balanced energy (Qi) between Yin and Yang, and all disorders(More)
The authors report five members of a family, having colonic polyposis, whose parents had adenomas that posteriorly degenerated to carcinoma, while sons had juvenile polyposis. Such aspects were considered as familial, evolutive and genetic. In contrast to adenomas, juvenile polyposis or hamartomas were always considered as benign lesions, with no(More)