[Intl_DxMedPhys] I-131 dialysis question

[Bill Erwin]

We treated a patient with ESRD on dialysis a few years ago.  We did a
dosimetry study first, and based the post-Tx dialysis schedule on the
attached JNM article (a study of 6 such patients treated).

On Mon, Sep 15, 2025 at 4:36 PM Gretchen Raterman Bell via
Intl_dxmedphys_wd_osu_list <intl_dxmedphys_wd_osu_list at lists.osu.edu> wrote:

> We actually encountered this earlier this year. It took a lot of planning
> -- and a little help from the list! We wound up treating the patient as
> inpatient in order to ensure that they were dialyzed at specific intervals.
> The nephrologist involved
> We actually encountered this earlier this year.  It took a lot of planning
> -- and a little help from the list!  We wound up treating the patient as
> inpatient in order to ensure that they were dialyzed at specific
> intervals.  The nephrologist involved found a paper about clearance rates
> after different dialysis schedules and decided upon one.  Apologies, I
> can't find the paper at the moment and don't remember specifics.  But it
> was something like 1st session after 12 hours, then 2nd 12 hours after
> that.  For preparedness, I met with the oncology nurses and dialysis
> manager, and we went through a dry run in the actual room prior to
> administration.  Facilities was also involved.  There was a septic output
> that they used for the fluids leaving, so that connection was tested
> thoroughly.  We put absorbent paper under any place where there was a
> connection that may leak or may drip when disconnecting any tubing (in
> addition to the horrible blue saran wrap sticky paper).
>
> When the RSO and I went and surveyed the room, we did find contamination
> where the dialysis team disconnected a few tubes.  We designated a whole
> trash bin specifically for "dialysis trash" which contained the tubing, so
> that was pretty hot.  The dialysis machine itself had zero contamination.
> After it was all said and done, we had a TON to decay in storage.  But the
> equipment and room itself was pretty unscathed.  In fact, the only pesky
> contamination was the usual suspect - the bathroom sink drain.
>
> Gretchen R. Bell, M.S., DABR
> Diagnostic Imaging Physicist
> Ochsner Medical Center
> (504)842-8506
>
>
>
> On Mon, Sep 15, 2025 at 4:21 PM Michael Masiar via
> Intl_dxmedphys_wd_osu_list <intl_dxmedphys_wd_osu_list at lists.osu.edu>
> wrote:
>
>> Hi all, I am not sure how to answer the below question from a client of
>> mine. Any advice or relevant sample policies/procedure would be
>> appreciated! We have a I-131 therapy, but the patient is on dialysis . I do
>> not think we can do him because
>> Hi all,
>>
>> I am not sure how to answer the below question from a client of mine. Any
>> advice or relevant sample policies/procedure would be appreciated!
>>
>>
>> We have a I-131 therapy, but the patient is on dialysis . I do not think
>> we can do him because the dose is 150mCI and this would contaminate the
>> machine as well as being in close proximity to the tech/nurse.
>> Do you agree.
>>
>>
>>
>>
>> Michael Masiar MS DABR
>> Certified Medical Physicist
>> Therapy Physics, Inc.
>> 2501 Cherry Ave., Suite 270
>> Signal Hill, CA 90755
>> email: mmasiar at gmail.com
>> cell: 310-625-9906
>> office: 562-317-0650
>>
>>
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