Evaluation of gastric emptying by means of scintigra-phy using  different test meals

Viviana Montoya Ojeda; Mateus Fontes Quintão; Viviane Parisitto Marino; Luiz Gonzaga Vaz Coelho; Frederico Passos Marinho; Luciene das Graças Mota; Arnaldo Prata Mourão

doi:10.15392/bjrs.v7i2A.718

Authors

Viviana Montoya Ojeda Department of Nuclear Engineering,Federal University of Minas Gerais (UFMG
Mateus Fontes Quintão
Viviane Parisitto Marino
Luiz Gonzaga Vaz Coelho
Frederico Passos Marinho
Luciene das Graças Mota
Arnaldo Prata Mourão

DOI:

https://doi.org/10.15392/bjrs.v7i2A.718

Keywords:

Gastric emptying, Scintigraphy, Test Meals

Abstract

Gastroparesis is a disorder characterized by symptoms and evidence of delayed gastric emptying (GE) in the absence of mechanical obstruction. Scintigraphy has been considered a "gold standard" for measuring Gastric Emptying Time (GET) and retention percentage of radio-labeled food, after four hours of ingestion. To obtain the images, it is recommended, worldwide, the use of the Tougas diet (255kcal) as a standard meal. The objective of this study was to compare the GET and the percentage of retention in the time of 4 h, obtained by scintigraphy using the Tougas diet (255 kcal) and the proposed diet (319 kcal). Thirty patients, both genders, aged 23 to 76 years, were selected, they presenting clinical symptoms suggestive of gastroparesis. These parameters were measured for the same patient, but in different days. The results showed that the diet fat content used to obtain EG of solid foods by scintigraphy did not influence the retention percentage results after 4 hours of ingestion of the radiolabeled food. However, the time of two hours is an important parameter to be observed in the result of this examination. In addition, the data suggest that the proposed diet may be more efficient for the classification of the severity of EG delay in patients with clinical signs suggestive of gastroparesis.

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Author Biographies

Viviana Montoya Ojeda, Department of Nuclear Engineering,Federal University of Minas Gerais (UFMG

Department of Nuclear Engineering,Federal University of Minas Gerais (UFMG

Mateus Fontes Quintão

Department of Anatomy and Image, Federal University of Minas Gerais (UFMG)

Viviane Parisitto Marino

Department of Anatomy and Image, Federal University of Minas Gerais (UFMG)

Luiz Gonzaga Vaz Coelho

Gastroenterology ALFA Institute, Clinical Hospital, Federal University of Minas Gerais (UFMG)

Frederico Passos Marinho

Gastroenterology ALFA Institute, Clinical Hospital, Federal University of Minas Gerais (UFMG)

Luciene das Graças Mota

Department of Anatomy and Image, Federal University of Minas Gerais (UFMG)

Arnaldo Prata Mourão

Biomedical Engineering Center, Federal Center for Technological Education of Minas Gerais (CEFET-MG)

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