Investigation author (Year) | Participants | Findings |
---|---|---|
George [23] (2006) | 24 lung cancer patients | • Residual breathing motion within a gating window improved |
Venkat [13] (2008) | 10 healthy volunteers | • Waveguide breathing guidance produced more regular breathing than bar-model guidance and free breathing |
Yang [22] (2012) | Phantom study | • 4D PET image quality improved |
An [36] (2013) | Retrospective analysis of George (2006) data | • CTV coverage improved |
• Internal motion variation improved | ||
15 healthy volunteers | • Kim (2012): Breathing regularity of thoracic diaphragm and abdominal wall improved | |
• Pollock (2013): Accuracy of kernel density estimation motion prediction improved | ||
• Steel (2014): Strong correlation between internal and external anatomic motion for both AV biofeedback and free breathing | ||
Lee [24] (2014) | 5 healthy volunteers | • Improved 3D MR image quality |
• Reduced gated MRI scan time | ||
Lu [39] (2014) | 13 lung & liver cancer patients | • Breathing regularity improved |
• ITVMIP underestimated ITV10 | ||
Lee [40] (2014) | 7 lung cancer patients | • Improved intrafraction lung tumour motion consistency |
• Improved interfraction lung tumour motion consistency |