Table 2:

Comparison among fluoroscopic screening time, total DAP, and total skin dose between ophthalmic artery and ECA branch injections

Mean (± SD)P Value
Screening time (min)
    OA origin9.2 (±9.65).0001
    OA proximal11.9 (±7.1)
    OA distal14.3 (±11)
    ECA12.5 (±13.5)
Total DAP (Gy.cm2)
    OA origin10.2 (±9.5).016
    OA proximal6.9 (±2.9)
    OA distal11.3 (±6.6)
    ECA13.3 (±11)
Total skin dose (mGy)
    OA origin205.7 (±170.7).001
    OA proximal146.8 (±71.1)
    OA distal271.4 (±168.9)
    ECA295.7 (±254.7)

  • Note:—ECA indicates external carotid artery.