Table 2:
Review of previous studies on stent angioplasty of stenotic lesions of the vertebral artery ostium
| Author | No. Patients | No. Treated Stenoses | Rate of Complication (%) |
Follow-Up |
Morbidity/Mortality Related to the Treated Stenosis in the Follow-Up Period (%) | ||||
|---|---|---|---|---|---|---|---|---|---|
| Technical | Clinical | Period (months) | No. Stenoses | Rate of Significant Restenosis (%) | Rate of Stent Occlusion (%) | ||||
| Bare metal stents | |||||||||
| Chastain et al5 | 50 | 55 | 2 | 0 | 6 | 49 | 10 | 0 | 4/0 |
| Albuquerque et al7 | 33 | 33 | 3 | 0 | 16 | 30 | 43 | 0 | 0/0 |
| Lin et al22 | 58 | 67 | 0 | 7 | 11 | 32 | 25 | 1 | 3/0 |
| Weber et al10 | 38 | 38 | 5 | 2 | 11 | 26 | 36 | 0 | 2/0 |
| SSYLVIA Study11 | 6 | 6 | – | –* | 6 | 6 | 67 | 0 | –* |
| Cloud et al23 | 14 | 14 | 0 | 0 | 20 | 11 | 9 | 0 | 0/0 |
| Lin et al24 | 80 | 90 | 0 | 0 | 12 | 40 | 21 (short stenoses)29 (medium length) 50 (long stenoses) | 0 | 0/0 |
| Akins et al12 | 7 | 7 | 0 | 0 | 36 | 7 | 43 | 1 | 0/0 |
| Taylor et al25 | 44 | 48 | 0 | 0 | 7 | 48 | 48 | 0 | 0/0 |
| Drug-eluting stents | |||||||||
| Lin et al13 | 11 | 11 | 0 | 0 | 4 and 8 | 2 | 0 | 0 | 0/0 |
| Lugmayr et al14 | 7 | 8 | 0 | 0 | 6 | 8 | 63 | 0 | 28/0 |
| Gupta et al15 | 27 | 27 | 0 | 2 | 4 | 27 | 7 | 0 | 0/0 |
| Akins et al12 | 5 | 5 | 0 | 0 | 17 | 5 | 0 | 0 | 0/0 |
| Edgell et al16 | 5 | 5 | 0 | 0 | 15 | 5 | 0 | 0 | 1/0 |
| Our data | 48 | 52 | 0 | 0 | 7 | 52 | 12 | 0 | 0/0 |
Note:—SSYLVIA indicates Stenting of Symptomatic Atherosclerotic Lesions in the Vertebral or Intracranial Arteries.
*
The exact location of the treated stenoses responsible for the clinical complications is not given specifically in the article.