Research Article

Prediction Efficiency of Postoperative Acute Kidney Injury in Acute Stanford Type A Aortic Dissection Patients with Renal Resistive Index and Semiquantitative Color Doppler

Table 1

Semiquantitative color Doppler scale in renal perfusion.

Grade 0Unidentifiable vessels
Grade 1Few vessels visible in the vicinity of the hilum
Grade 2Hilar and interlobar vessels visible in most of the renal parenchyma
Grade 3Renal vessels identifiable until the arcuate arteries in the entire field of view