Vascular Specialist International : eISSN 2288-7989 / pISSN 2288-7970

Table. 2.

Table. 2.

Preoperative imaging results

Preoperative imaging Value
CDUS and CTA 42 (80.8)
CDUS only 4 (7.7)
CTA only 6 (11.5)
Stenosis severitya: symptomatic (n=44)
 <50% 2
 50%–59% 4
 60%–69% 3
 70%–79% 13
 80%–89% 9
 >90% 12
 Near occlusion 1
Stenosis severitya: asymptomaticb (pre cardiac surgery, n=5)
 <50% 0
 50%–59% 0
 60%–69% 0
 70%–79% 1
 80%–89% 1
 >90% 2
 Near occlusion 1
Stenosis severitya: asymptomaticb (incidental findings, n=3)
 <50% 0
 50%–59% 0
 60%–69% 0
 70%–79% 0
 80%–89% 1
 >90% 2
 Near occlusion 0

Values are presented as number (%) or number only.

CDUS, color-enhanced Duplex ultrasound; CTA, computed tomography angiography.

Stenosis graded by the North American Symptomatic Carotid Endarterectomy Trial criteria.
Stenosis grading of operated side presented (all patients had bilateral disease).
Vasc Specialist Int 2019;35:137-44 https://doi.org/10.5758/vsi.2019.35.3.137
© 2019 The Korean Society for Vascular Surgery