Dynamic scintigraphy with high temporal resolution. Phase dynamic studies of rapid periodical processes

Area of Science:

• Medical physics
• Signal processing
• Biomedical engineering

Background:

• Rapid periodical processes require high temporal resolution for accurate analysis.
• Existing methods may have limitations in capturing dynamic changes.
• LIST-mode data acquisition offers potential for detailed temporal studies.

Purpose of the Study:

• To describe the theory and method for constructing phase dynamic studies of rapid periodical processes.
• To address challenges in LIST-mode data processing for spatial and temporal reconstruction.
• To present a general program for phase dynamic studies and discuss simplified modifications.

Main Methods:

• Development of a general method for phase dynamic studies using LIST-mode data.
• Computerized construction of phase dynamic studies, including cycle selection and phase histogram creation.
• Application of the method to the Clincom apparatus, with a comparison to the EKG-gated method.

Main Results:

• Successful implementation of the LIST-mode to PHASE DYNAM. STUDY program.
• Demonstration of the method's applicability through phantom measurements.
• Validation of the approach using clinical examinations.

Conclusions:

• The described method provides a robust framework for phase dynamic studies of rapid periodical processes.
• LIST-mode data processing enables high temporal resolution analysis.
• The developed program and its modifications offer practical tools for researchers and clinicians.