Two-stent strategy for renal artery stenosis with bifurcation lesion

Renal artery stenosis （RAS） with a bifurcation lesion is a challenge for interventional therapy. The aim of this study is to summarize our experience in RAS with a bifurcation lesion. Five patients with RAS involving bifurcation lesion are described. In cases 1 to 3, a single-stent strategy was firs...

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Bibliographic Details
Published in:Journal of Zhejiang University. B. Science 2010-08, Vol.11 (8), p.561-567
Main Authors: Yan, Hong-bing, Zheng, Bin, Wu, Zheng, Wang, Jian, Zhao, Han-jun, Song, Li, Chi, Yun-peng
Format: Article
Language:English
Subjects:
Aged
Angiography - methods
Angioplasty - methods
Arteries
Atherosclerosis - pathology
Bifurcations
Biomedical and Life Sciences
Biomedicine
Constriction, Pathologic
Female
Humans
Implantation
Kissing
Lesions
Male
Middle Aged
Patients
Renal Artery - pathology
Renal Artery Obstruction - pathology
Renal Artery Obstruction - therapy
Stents
Strategy
Surgical implants
Time Factors
Treatment Outcome
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Summary:Renal artery stenosis （RAS） with a bifurcation lesion is a challenge for interventional therapy. The aim of this study is to summarize our experience in RAS with a bifurcation lesion. Five patients with RAS involving bifurcation lesion are described. In cases 1 to 3, a single-stent strategy was first adopted. However, these three patients were converted to a two-stent strategy for bailout stent implantation in the side branches. In cases 4 and 5, a simultaneous kissing stent technique was performed. Angiography showed that the reference vascular diameter of the main branch was much larger than those of the side branches. Although obvious residual stenosis existed in cases 1 to 3 after stent implantation, no obvious residual stenosis was seen in cases 4 and 5. Renal artery duplex sonography was performed in cases 1 through 5 at 6, 7, 7, 8, and 6 months, respectively, after the procedures. No evidence of restenosis or occlusion was seen. In conclusion, stent implantation with the simultaneous kissing stent technique may result in more simple and more satisfactory immediate angiographic results.
ISSN:1673-1581
1862-1783
DOI:10.1631/jzus.B1001001