Table 1 Demographic features and clinical findings of the 31 patients with severe, symptomatic vertebrobasilar stenosis who underwent angioplasty and stenting.
From: Influence of Vertebrobasilar Stenotic Lesion Rigidity on the Outcome of Angioplasty and Stenting
Variable | |
|---|---|
Age, years | 62.2 ± 13.9 (16–85) |
Sex: male/female | 28 (90.3%)/3 (9.7%) |
Risk factors | |
Hypertension | 19 (61.3%) |
Diabetes | 10 (32.3%) |
Hyperlipidemia | 9 (29.0%) |
Smoking | 16 (51.6%) |
Diagnosis | |
Atherosclerosis | 10 (32.3%) |
Dissection | 12 (38.7%) |
Dissection in atherosclerosis | 9 (29.0%) |
Indication for PTAS | |
TIA | 6 (19.4%) |
Stroke | 25 (80.6%) |
Time interval between symptoms and MR exam (mon) | 4.48 ± 7.24 (0.03–30) |
MR findings | |
Brain infarcts on MRI | |
Nil | 5 (16.1%) |
Brainstem | 19 (61.3%) |
Cerebellum | 17 (54.8%) |
Thalamus/occipital region | 17 (54.8%) |
Associated other intracranial arterial stenosis | |
Nil | 16 (51.6%) |
ICA | 13 (41.9%) |
MCA | 7 (22.6%) |
ACA | 1 (3.2%) |
Location of stenotic lesions | |
Basilar artery | 15 (48.4%) |
Vertebral artery | 4 (12.9%) |
Vertebral to basilar artery | 12 (38.7%) |
Severity of stenotic lesions (%) | 84.0 ± 10.2 (60–99) |
Signals of the most stenotic lesions on HR-VWI | |
T2WI: high/iso-to low | 7 (22.6%)/24 (77.4%) |
T1WI: high/iso-to low | 19 (61.3%)/12 (38.7%) |
T1WI + C: strong/faint or no | 10 (32.3%)/21 (67.7%) |
Restricted diffusion of the stenotic lesions:yes/no | 7 (22.6%)/24 (77.4%) |
Angioplasty and stenting | |
Predilatation pressure (atm) | 4.7 ± 1.8 (2–7) |
Stents (self-expandable/balloon-expandable, n = 30) | 20 (66.7%)/10 (33.3%) |
Technical success | 30 (96.8%) |
Complications | 11 (35.4%) |
Outcomes (n = 30) | |
Follow-up period (mon) | 22.3 ± 17.4 (1–60) |
Severe restenosis (≥50%) | 5 (16.7%) |
Recurrent stroke/symptoms | 3 (10.0%) |
Mortality | 3 (10.0%) |
