Evaluation of the clinical efficacy of the PeTrack motion tracking system for respiratory gating in cardiac PET imaging

Spencer Manwell; Marc J. P. Chamberland; Ran Klein; Tong Xu; Robert deKemp

doi:10.1117/12.2255544

9 March 2017 Evaluation of the clinical efficacy of the PeTrack motion tracking system for respiratory gating in cardiac PET imaging

Spencer Manwell, Marc J. P. Chamberland, Ran Klein, Tong Xu, Robert deKemp

Author Affiliations +

Proceedings Volume 10132, Medical Imaging 2017: Physics of Medical Imaging; 1013251 (2017) https://doi.org/10.1117/12.2255544
Event: SPIE Medical Imaging, 2017, Orlando, Florida, United States

Abstract

Respiratory gating is a common technique used to compensate for patient breathing motion and decrease the prevalence of image artifacts that can impact diagnoses. In this study a new data-driven respiratory gating method (PeTrack) was compared with a conventional optical tracking system. The performance of respiratory gating of the two systems was evaluated by comparing the number of respiratory triggers, patient breathing intervals and gross heart motion as measured in the respiratory-gated image reconstructions of rubidium-82 cardiac PET scans in test and control groups consisting of 15 and 8 scans, respectively. We found evidence suggesting that PeTrack is a robust patient motion tracking system that can be used to retrospectively assess patient motion in the event of failure of the conventional optical tracking system.

Citation Download Citation

Spencer Manwell, Marc J. P. Chamberland, Ran Klein, Tong Xu, and Robert deKemp "Evaluation of the clinical efficacy of the PeTrack motion tracking system for respiratory gating in cardiac PET imaging", Proc. SPIE 10132, Medical Imaging 2017: Physics of Medical Imaging, 1013251 (9 March 2017); https://doi.org/10.1117/12.2255544

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