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How do you manage bladder fullness during cervical T&O brachytherapy to minimize OAR dose?
Small bowel is usually the dose limiting OAR while planning cervical HDR brachytherapy. Having the bladder empty during treatment planning and delivery is to ensure consistent anatomy. By filling the bladder with a consistent amount of saline (~150cc) for the planning and delivery portion of the procedure, one could potentially reduce the dose to the small bowel and get improved coverage of the HR-CTV.
Answer from: Radiation Oncologist at Academic Institution
We usually end up instilling fluid into the bladder (100-200cc) and clamp Foley at time of CT simulation. At times, patients develop some pressure sensation during the wait between CT sim and treatment, at which point we instruct nursing to unclamp temporarily, as patients are continuing to generate...
Comments
Radiation Oncologist at Maimonides Medical Center
We fill and clamp the foley at time of simulation....
We fill and clamp the foley at time of simulation....
Radiation Oncologist at Radiation Oncology Centers
What do you use as small bowel dose constraint?
What do you use as small bowel dose constraint?
Radiation Oncologist at Varian Medical Systems/Allegheny health network
No outcome but based on guidelines D2cc 65 Gy or b...
No outcome but based on guidelines D2cc 65 Gy or b...
Radiation Oncologist at Vanderbilt-Ingram Cancer Center
In regards to small bowel, the main time we really...
In regards to small bowel, the main time we really...
Agree with @Sushil Beriwal. We treat Foley cathete...
We routinely treat with a moderately full bladder ...