Clinical assessment of intraoperative fluoroscopy time and radiation exposure to sugeon in f-URS

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  • f-TULにおけるX線透視：術者被ばく低減についての検討
  • f-TUL ニ オケル Xセン トウシ : ジュツシャ ヒバクテイゲン ニ ツイテ ノ ケントウ

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Abstract

  Objectives：To analyze probability to decrease the usage of intraoperative fluoroscopy at f- URS concerning radiation exposure to surgeons by changing the distance from the surgeon to patients. <br>  Patients and Methods：A retrospective view was conducted for 564 consecutive f-URS patients separated to two groups（group A：2010/Aug to 2012/March, group B：2012/April to 2013/June）at a single institution. For both A and B, the duration of surgery, fluoroscopy time（FT）and stone-free rate were comparable using univariate analysis. In addition, the relation between FT and the radiation exposure dose on the eyes of surgeon on f-URS was compared at the single surgeon, taking 1.5 times of the distance from the surgeon to patients between the group A and B. <br>  Results：There were no significant differences in both mean operative times（A：36.8 vs. B：43.0 minutes）and fluoroscopy times（A：75.2 vs. B：68.0 seconds）. <br>  On the other hand, the percentage of fluoroscopy time/mean operative time was statistically different（A：3.8 vs. 2.9 %, p=0.023）, but not significant at the single surgeon（A：3.7 vs. 2.6 %）. The ocular radiation exposure of the single surgeon on group A was 4 times higher than that on group B. <br>  Conclusions：It is concluded that securing the adequate distance from radiation source contribute to reducing radiation exposure on surgeons.

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