Related Experiment Video
Updated: May 25, 2026

Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation
Published on: September 22, 2023
Gastric emptying study by scintigraphy in patients with chronic renal failure
Eunice Sizue Hirata1, Maria Aparecida Mesquita, Gentil Alves Filho
1Faculdade de Ciências Médicas, Universidade de Campinas (Unicamp), Brazil. eshirata@hotmail.com
Background And Objectives:
This study had the purpose of studying gastric emptying in patients with chronic renal failure.
Material And Method:
Thirty patients with chronic renal failure were studied, 16 in conservative clinical treatment and 14 in hemodialysis for over six months. The control group (CTL) was composed of 18 asymptomatic volunteers. The method of gastric emptying study was scintigraphy. The standardized test meal was an omelet of three chicken eggs prepared with colloidal sulfur marked with 185 MBq of 99m technetium. Gastric retention curves were studied and T½ of gastric emptying was obtained from them. A T½ value corresponding to the average of T½ values of control group plus twice standard deviation was considered nornmal. Statistical tests used were χ(2) and Kruskal-Wallis.
Results:
There was no statistically significant difference with regard to total gastric retention curves and T½ of gastric emptying, which was similar in three studied groups. Nine patients had high T½ of gastric emptying, above 125 minutes. These patients were equally distributed among both genders and conservative clinical treatment and hemodialysis groups.
Conclusions:
We concluded that gastric retention rate and T½ of gastric emptying in patients with chronic renal failure in conservative clinical treatment and hemodialysis does not differ from the healthy patients group. Hemodialysis does not seem to reduce the risk of gastric retention in patients with chronic renal failure.
Related Concept Videos
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
Imaging Studies II: Positron Emission Tomography and Scintigraphy
Fundamental Principles of PET
Gastric Emptying
Imaging Studies III: Computed Tomography
Imaging Studies II: Ultrasonography
Imaging Studies I: Kidney, Ureter, and Bladder Studies
![Assessment of Gastric Emptying in Non-obese Diabetic Mice Using a [13C]-octanoic Acid Breath Test](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F50301.jpg&w=3840&q=50)
