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editorial
. 2012 Sep 28;4(9):391–400. doi: 10.4329/wjr.v4.i9.391

Table 2.

Review of the long term results of previous studies on endovascular stent treatment of extracranial vertebral artery stenosis

Studies Stent type Number of patients Number of treated stenoses Rate of complication (%)
Follow-up
Technical Clinical Period (mo) Rate of significant restenosis2 (%)
Lin et al[74] Bare stent 58 67 0 7 11 25
Albuquerque et al[11] Bare stent 33 33 3 0 16 43
Chastain et al[12] Bare stent 50 55 2 0 6 10
Weber et al[75] Bare stent 38 38 2 1 11 38
Cloud et al[76] Bare stent 14 14 0 0 20 9
SSYLVIA1 study[77] Bare stent 18 18 - - 6 43
Akins et al[78] Bare stent 7 7 0 0 36 43
Taylor et al[79] Bare stent 44 48 0 0 7 48
Hatano et al[80] Bare stent 117 117 0 0 6 10
Lin et al[81] Bare stent 80 90 0 0 12 28
Jenkins et al[16] Bare stent 32 38 0 0 10 3
Karamehev et al[82] Bare stent, DES 10 12 0 0 34 10
Lin et al[27] DES 11 11 0 0 8 0
Zhou et al[30] DES 86 92 0 0 12 17
Gupta et al[83] DES 27 27 0 2 6 7
Akins et al[78] DES 5 5 0 0 17 0
Edgell et al[84] DES 5 5 0 0 15 0
Vajda et al[85] DES 48 52 0 0 7 12
Lugmayr et al[86] DES 7 8 0 0 6 63
1

Stenting of symptomatic atherosclerotic lesions in the vertebral or intracranial arteries;

2

significant restenosis indicates that it is equal or higher than 50% stenosis. DES: Drug-eluting stents.