YoYo Chi Radiation Therapist Coming Up DCAT for SABR lung patients using FFF DIBH for left sided breast cancer patients Christchurch Oncology Paediatric Team DCAT for SABR Lung Patients Using FFF ID: 1044706
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1. Radiation Oncology New Techniques + TechnologiesYo-Yo ChiRadiation Therapist
2. Coming UpDCAT for SABR lung patients using FFFDIBH for left sided breast cancer patientsChristchurch Oncology Paediatric Team
3. DCAT for SABR Lung Patients Using FFF
4. SABR / SBRTStereotactic Ablative Body Radiotherapy / Stereotactic Body RadiotherapyHighly precise, image guided dose delivery Highly conformal ablative dose Typically ≥8GyTight margin around tumourFewer treatmentsTypically 1-5 treatmentsHigh max doses in target is allow
5. FractionationsConventional60Gy/30#, 2Gy/#SABR/SBRT45Gy/3#, 15Gy/#EQD2= 112.5Gy48Gy/4#, 12Gy/#EQD2= 88.2Gy
6. criteria
7. SABR TreatmentMinimum of 8 treatment beams with multiple couch angles1 hour treatment appointmentImaging After setupPrior to turning radiation onAfter treatmentOften patients have difficulty with pain from lying in treatment position for so long
8. So… DCAT!Dynamic Conformal Arc Therapy (DCAT)Dose delivered in a continuous arcTarget remains inside the open field for the entire treatment
9. DCATAnother Technique
10. Even Better… FFF!
11. DCAT for SABR Lung Patients Using FFFAppointment time 1 hour 30 minutesRadiation “on” time – 1.5 minutesFaster treatment = less discomfort = less movement
12. Questions?
13. Deep Inspiration Breath Hold
14. DIBHDeep Inspiration Breath HoldTechnique where patient holds breath during treatmentAt Canterbury Regional Cancer and Haematology Service – left-sided breast cancer
15. Left-sided Breast CancerHeart sits on the left sideConventional treatment planning cannot avoid a small portion of heartPotential side effect is cardiac toxicityIncrease cardiac morbidityIncrease cardiac mortality
16. Free BreathingDIBH
17. How to Achieve Breath HoldActive Breathing Coordinator (ABC)Monitor breathing patternHolds breath at predetermine lung volume – consistentRadiation will only turn on in breath holdPatient is always in control
18. Questions?
19. Christchurch Oncology Paediatric Team
20. Paediatric TeamOrganise appointments + liase with other teamsLiason for parents and children having RTOrganise buddiesPlay sessionsCome up with awesome ideas to make the RT journey FUN!
21. Play Sessions Generally >3yoPlay sessions in CT + TMTFamiliarise children with the department to develop trust and complianceSessions consist of department tour and dedicated play sessionChild and age dependentBuddy present to establish relationship with child and family
22. Questions?