A Comparison of Functional and Physical Properties of Self-Expanding Intracranial Stents [Neuroform3, Wingspan, Solitaire, Leo(+), Enterprise]

Krischek, O.; Miloslavski, E.; Fischer, Sebastian; Shrivastava, S; Henkes, Hans

doi:10.1055/s-0031-1271681

Cited by 167 publications

(154 citation statements)

References 39 publications

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“…Moreover, conventional stents, especially laser-cut stents, are prone to kinking and do not adequately conform to the parent artery. 13 The LBS, with its technical features, represents an evolution in intracranial stents. The low profile of this device differentiates it from other conventional intracranial stents.…”

Section: Discussionmentioning

confidence: 99%

LEO Baby Stent Use following Balloon-Assisted Coiling: Single- and Dual-Stent Technique—Immediate and Midterm Results of 29 Consecutive Patients

Machi¹,

Costalat²,

Lobotesis³

et al. 2015

AJNR Am J Neuroradiol

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Section: Discussionmentioning

confidence: 99%

LEO Baby Stent Use following Balloon-Assisted Coiling: Single- and Dual-Stent Technique—Immediate and Midterm Results of 29 Consecutive Patients

Machi¹,

Costalat²,

Lobotesis³

et al. 2015

AJNR Am J Neuroradiol

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“…The low radial force of stents could be one cause of poor wall apposition. Although poor wall apposition may improve by deploying closedcell stents very slowly, 8 this technique might not work in a small-sized tortuous parent artery. The stent might not fully deploy in the segment between the 2 acute angles because of kinking or ovalization at the angles.…”

Section: Discussionmentioning

confidence: 99%

“…Previous reports suggested that Enterprise stents might be better suited for use in small vessels, because they show poor wall apposition in larger-diameter vessels. 5,8 The use of an Enterprise stent in a small parent artery without tortuosity might be tolerable for acute thromboembolic occlusion or in-stent restenosis. In this study, the average size of the parent arteries (1.72 ± 0.30 mm) was found to increase on follow-up angiography compared with that before the procedure (1.59 ± 0.26 mm, p = 0.037; Fig.…”

Section: Discussionmentioning

confidence: 99%

Preliminary experience with self-expanding closed-cell stent placement in small arteries less than 2 mm in diameter for the treatment of intracranial aneurysms

Chung¹,

Suh

Hong³

et al. 2015

JNS

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S tent placement has effectively expanded the indications of endovascular treatment (EVT) for intracranial aneurysms. Low-profile endovascular devices enable access to aneurysms farther out in small cerebral arteries measuring < 2 mm in diameter.3,10,13 A very recent novel neurovascular self-expanding retrievable closedcell stent system, the LVIS (Low-Profile Visualized Intraluminal Stent) (MicroVention), can be delivered using the currently lowest-profile microcatheter.11 The LVIS Jr., which has a diameter of 2.5 mm, can be delivered and deployed in small distal arteries via a 0.017-in microcatheter. Thus, surgeons have recently been using the LVIS Jr. in small cerebral arteries. In the Republic of Korea, the LVIS and LVIS Jr. are not currently available. However, stents are still needed for use in small distal arteries to treat intracranial aneurysms. The self-expanding closedcell Enterprise stent (Codman Neurovascular), a low-profile endovascular device, is available in our country. It is delivered via a 0.021-in microcatheter and has been proposed for use in wide-necked, intracranial, and saccular abbreviatioNs DSA = digital subtraction angiography; EVT = endovascular treatment; GOS = Glasgow Outcome Scale; LVIS = Low-Profile Visualized Intraluminal Stent. submitted February 25, 2014. accepted November 6, 2014. iNclude wheN citiNg Published online January 2, 2015; DOI: 10.3171/2014.11.JNS14435. disclosure The authors report no conflict of interest concerning the materials or methods used in this study or the findings specified in this paper. The following grant funded this study: a new faculty research seed money grant from Yonsei University College of Medicine (2014-32-0029 obJect The purpose of this study was to report the authors' preliminary experience using self-expanding closed-cell stents deployed in small arteries (< 2 mm in diameter) to treat intracranial aneurysms. methods A total of 31 patients were studied. All subjects met the following criteria: 1) they received an Enterprise stent for treatment of a wide-necked aneurysm or a dissecting aneurysm or as part of a stent-salvage procedure; and 2) they had an Enterprise stent deployed in a small parent artery (< 2 mm in diameter) that had no atherosclerotic stenosis. Procedure-related complications and follow-up sizes of the parent arteries were evaluated for safety and patency. results There were 16 ruptured aneurysms and 15 unruptured aneurysms. Three (9.7%) of the 31 patients experienced procedure-related complications, and they all were asymptomatic. Follow-up angiography was performed in 27 patients (87.1%) (at a mean 15.5 months after surgery). Parent arteries with 2 acute angles (n = 4) were occluded in 3 cases (75.0%), and those with no acute angles (n = 13) or 1 acute angle (n = 6) showed 100% patency on follow-up angiography. There was a significant difference between the follow-up sizes (mean 1.72 ± 0.30 mm) of parent arteries and their sizes (mean 1.59 ± 0.26 mm) before treatment (95% CI -0.254 to -0.009 mm; p = 0.037, paired-samples t-t...

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“…The LEO stent can be retrieved after it has been released in 90% of cases, while the Solitaire stent is fully recoverable 39 and easier to place in an intended location. 40 In the present series of patients, only patients 7 and 9 had the opportunity to receive the Solitaire stent, for it was only available in Changhai Hospital from September 2010. The main procedure-related complication was postoperative occlusion of the branches, amounting to 22.2% in total.…”

Section: Discussionmentioning

confidence: 99%

Endovascular Reconstruction for Treatment of Vertebrobasilar Dolichoectasia: Long-Term Outcomes

Hong

et al. 2012

AJNR Am J Neuroradiol

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A Comparison of Functional and Physical Properties of Self-Expanding Intracranial Stents [Neuroform3, Wingspan, Solitaire, Leo(+), Enterprise]

Cited by 167 publications

References 39 publications

LEO Baby Stent Use following Balloon-Assisted Coiling: Single- and Dual-Stent Technique—Immediate and Midterm Results of 29 Consecutive Patients

LEO Baby Stent Use following Balloon-Assisted Coiling: Single- and Dual-Stent Technique—Immediate and Midterm Results of 29 Consecutive Patients

Preliminary experience with self-expanding closed-cell stent placement in small arteries less than 2 mm in diameter for the treatment of intracranial aneurysms

Endovascular Reconstruction for Treatment of Vertebrobasilar Dolichoectasia: Long-Term Outcomes

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