Reduction in doses to organs at risk and normal tissue during breast radiotherapy with a Carbon-fibre Adjustable Reusable Accessory (CARA),

IntroductionThe dosimetric benefits of Deep Inspiration Breath Hold (DIBH) in reducing cardiac dose are well documented, however reports on the patient’s personal experience with this technique are limited. The purpose of this research is to investigate DIBH from the patient’s perspective and to provide recommendations to further improve the patient experience.Materials and methodsA questionnaire was used to record the patient’s comprehension of DIBH instructions and preparation for treatment. Levels of comfort, confidence and technical challenge were also recorded and an open-format question allowed patients to provide suggestions to improve the DIBH experience.ResultsThe majority of patients do not find it difficult to hold their breath at the correct level during DIBH and confidence levels regarding ability to follow instructions are good. Comprehension of instructions, preparation to perform DIBH and treatment position comfort levels were universally graded positively.ConclusionThe majority of patients reported a strong level of comprehension and preparation that allows them to confidently perform DIBH as planned. Establishment of a dedicated treatment team, consistent patient instructions, regular feedback and an opportunity to rehearse DIBH can help increase patient confidence and reduce anxiety.

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