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Dose correlation with localization of AVF before catheter angiography
GroupFluoroscopy Time (min)Dose of Iodinated Contrast Agent (mL)
A, MRA localized AVF before angiography (n = 13)26.3146
B, MRA did not localize AVF before angiography (n = 9)55.1325
C, No spinal dural AVF found despite angiography (n = 9)50.3288