Forums Deep Inspiration Breath Hold CT Simulation for DIBH Reply To: CT Simulation for DIBH

Suzanne Coupland

Hi Jose
We use the lasers in the room and pen marks to coach the patients in the room, then have a camera positioned to look at the pen mark on the left hand side to ensure the patient recreates the same breathold immediately prior to scanning. We use this in combination with AlignRT for DIBH on the linacs, and ensuring that the patient is adequately coached and selected at CT, it works really well. The new version of GateCT (SimRT) has the ability to use the same coaching tool at treatment in the CT room, but we haven’t tried this out yet so I can’t give you any guidance on how it works. We’ve managed without it successfully though since 2017, so it can be done easily.