Abstract：
OBJECTIVE:Validation of dosimetry and exposition time to an ophthalmic surgeon during radioactive plaque operations. DESIGN:Experimental study in which videotaped operations and dosimetric measurements were used to model dosimetry. METHODS:We used thermoluminescence detectors for high sensitivity readings in radiation fields. Typical intersurgical mobility was videotaped and distances to the plaque was evaluated. MAIN OUTCOME MEASURE:Estimated radiation received by surgeons. RESULTS:All simulated plaque operations have a maximum dose rate of 6 mGy per minute (value in the inner eyeball). Mean dose rate is 2 mGy per minute (average of approximately all measurements). The surgeon's fingers receive a dose from 2 to 6 mSv from plaque operation. CONCLUSIONS:Results suggest that radioactive plaque operations are safe for the surgeon but that the time for plaque handling should be minimized. A surgeon should not exceed 100 to 200 operations per year.
journal_name
Ophthalmologyjournal_title
Ophthalmologyauthors
Laube T,Flühs D,Kessler C,Bornfeld Ndoi
10.1016/s0161-6420(99)00050-0subject
Has Abstractpub_date
2000-02-01 00:00:00pages
366-8; discussion 368-9issue
2eissn
0161-6420issn
1549-4713pii
S0161642099000500journal_volume
107pub_type
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