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Updated: May 7, 2026

Determining Glucose Metabolism Kinetics Using 18F-FDG Micro-PET/CT
Published on: May 2, 2017
18F-FDGPET/CT: diabetes and hyperglycaemia.
Artor Niccoli-Asabella1, Francesca Iuele Iuele, Nunzio Merenda
1giuseppe.rubini@uniba.it.
Implementing new preparation protocols for patients with diabetes or hyperglycemia undergoing 18F-FDG PET/CT significantly reduced test rescheduling. This optimization improves diagnostic accuracy and patient compliance for crucial imaging procedures.
Area of Science:
- Nuclear Medicine
- Radiopharmacy
- Medical Imaging
Background:
- Many patients undergoing 18F-FDG PET/CT have co-existing diabetes or hyperglycemia.
- Elevated blood glucose levels can interfere with 18F-FDG uptake, potentially impacting diagnostic accuracy.
- Standard preparation protocols may not adequately address the needs of hyperglycemic or diabetic patients.
Purpose of the Study:
- To evaluate the effectiveness of tailored preparation protocols for patients with hyperglycemia or diabetes undergoing 18F-FDG PET/CT.
- To improve the diagnostic scheduling and performance of 18F-FDG PET/CT in this patient population.
Main Methods:
- A retrospective analysis of 13,063 18F-FDG PET/CT scans over four years in two centers.
- Comparison of test scheduling and rescheduling rates before and after implementing new preparation protocols.
- Inclusion of a preliminary patient visit for assessment and pre-test preparation, focusing on blood glucose management.
Main Results:
- Rescheduling rates due to hyperglycemia or diabetes decreased from 9% to 2.2% after protocol implementation.
- The need for insulin administration was eliminated through effective pre-test screening and patient preparation.
- The percentage of tests not performed due to high blood glucose dropped significantly, from 0.27% to 0.1%.
Conclusions:
- The developed preparation protocols enhance the on-time performance of 18F-FDG PET/CT scans.
- These protocols improve diagnostic accuracy by ensuring optimal patient preparation.
- The new procedures increase patient compliance and streamline the overall imaging process.
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