Wingspan in-stent restenosis and thrombosis: Incidence, clinical presentation, and management

Elad I. Levy, Aquilla S. Turk, Felipe C. Albuquerque, David B. Niemann, Beverly Aagaard-Kienitz, Lee Pride, Phil Purdy, Babu Welch, Henry Woo, Peter A. Rasmussen, L. Nelson Hopkins, Thomas J. Masaryk, Cameron G. McDougall, David J. Fiorella

Research output: Contribution to journalArticle

207 Citations (Scopus)

Abstract

OBJECTIVE: Wingspan (Boston Scientific, Fremont, CA) is a self-expanding stent designed specifically for the treatment of symptomatic intracranial atheromatous disease. The current series reports the observed incidence of in-stent restenosis (ISR) and thrombosis on angiographic follow-up. METHODS: A prospective, intent-to-treat registry of patients in whom the Wingspan stent system was used to treat symptomatic intracranial atheromatous disease was maintained at five participating institutions. Clinical and angiographic follow-up results were recorded. ISR was defined as stenosis greater than 50% within or immediately adjacent (within 5 mm) to the implanted stents and absolute luminal loss greater than 20%. RESULTS: To date, follow-up imaging (average duration, 5.9 mo; range, 1.5-15.5 mo) is available for 84 lesions treated with the Wingspan stent (78 patients). Follow-up examinations consisted of 65 conventional angiograms, 17 computed tomographic angiograms, and two magnetic resonance angiograms. Of these lesions with follow-up, ISR was documented in 25 and complete thrombosis in four. Two of the 4 patients with stent thrombosis had lengthy lesions requiring more than one stent to bridge the diseased segment. ISR was more frequent (odds ratio, 4.7; 95% confidence intervals, 1.4-15.5) within the anterior circulation (42%) than the posterior circulation (13%). Of the 29 patients with ISR or thrombosis, eight were symptomatic (four with stroke, four with transient ischemic attack) and 15 were retreated. Of the retreatments, four were complicated by clinically silent in-stent dissections, two of which required the placement of a second stent. One was complicated by a postprocedural reperfusion hemorrhage. CONCLUSION: The ISR rate with the Wingspan stent is higher in our series than previously reported, occurring in 29.7% of patients. ISR was more frequent within the anterior circulation than the posterior circulation. Although typically asymptomatic (76% of patients in our series), ISR can cause neurological symptoms and may require target vessel revascularization.

Original languageEnglish (US)
Pages (from-to)644-650
Number of pages7
JournalNeurosurgery
Volume61
Issue number3
DOIs
StatePublished - Sep 2007

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Stents
Thrombosis
Incidence
Angiography
Retreatment
Transient Ischemic Attack
Reperfusion
Registries
Dissection
Pathologic Constriction
Magnetic Resonance Spectroscopy

Keywords

  • Angioplasty
  • In-stent restenosis
  • Intracranial atheromatous disease
  • Stenting
  • Thrombosis
  • Wingspan stent

ASJC Scopus subject areas

  • Clinical Neurology
  • Surgery

Cite this

Levy, E. I., Turk, A. S., Albuquerque, F. C., Niemann, D. B., Aagaard-Kienitz, B., Pride, L., ... Fiorella, D. J. (2007). Wingspan in-stent restenosis and thrombosis: Incidence, clinical presentation, and management. Neurosurgery, 61(3), 644-650. https://doi.org/10.1227/01.NEU.0000290914.24976.83

Wingspan in-stent restenosis and thrombosis : Incidence, clinical presentation, and management. / Levy, Elad I.; Turk, Aquilla S.; Albuquerque, Felipe C.; Niemann, David B.; Aagaard-Kienitz, Beverly; Pride, Lee; Purdy, Phil; Welch, Babu; Woo, Henry; Rasmussen, Peter A.; Hopkins, L. Nelson; Masaryk, Thomas J.; McDougall, Cameron G.; Fiorella, David J.

In: Neurosurgery, Vol. 61, No. 3, 09.2007, p. 644-650.

Research output: Contribution to journalArticle

Levy, EI, Turk, AS, Albuquerque, FC, Niemann, DB, Aagaard-Kienitz, B, Pride, L, Purdy, P, Welch, B, Woo, H, Rasmussen, PA, Hopkins, LN, Masaryk, TJ, McDougall, CG & Fiorella, DJ 2007, 'Wingspan in-stent restenosis and thrombosis: Incidence, clinical presentation, and management', Neurosurgery, vol. 61, no. 3, pp. 644-650. https://doi.org/10.1227/01.NEU.0000290914.24976.83
Levy, Elad I. ; Turk, Aquilla S. ; Albuquerque, Felipe C. ; Niemann, David B. ; Aagaard-Kienitz, Beverly ; Pride, Lee ; Purdy, Phil ; Welch, Babu ; Woo, Henry ; Rasmussen, Peter A. ; Hopkins, L. Nelson ; Masaryk, Thomas J. ; McDougall, Cameron G. ; Fiorella, David J. / Wingspan in-stent restenosis and thrombosis : Incidence, clinical presentation, and management. In: Neurosurgery. 2007 ; Vol. 61, No. 3. pp. 644-650.
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AU - Niemann, David B.

AU - Aagaard-Kienitz, Beverly

AU - Pride, Lee

AU - Purdy, Phil

AU - Welch, Babu

AU - Woo, Henry

AU - Rasmussen, Peter A.

AU - Hopkins, L. Nelson

AU - Masaryk, Thomas J.

AU - McDougall, Cameron G.

AU - Fiorella, David J.

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N2 - OBJECTIVE: Wingspan (Boston Scientific, Fremont, CA) is a self-expanding stent designed specifically for the treatment of symptomatic intracranial atheromatous disease. The current series reports the observed incidence of in-stent restenosis (ISR) and thrombosis on angiographic follow-up. METHODS: A prospective, intent-to-treat registry of patients in whom the Wingspan stent system was used to treat symptomatic intracranial atheromatous disease was maintained at five participating institutions. Clinical and angiographic follow-up results were recorded. ISR was defined as stenosis greater than 50% within or immediately adjacent (within 5 mm) to the implanted stents and absolute luminal loss greater than 20%. RESULTS: To date, follow-up imaging (average duration, 5.9 mo; range, 1.5-15.5 mo) is available for 84 lesions treated with the Wingspan stent (78 patients). Follow-up examinations consisted of 65 conventional angiograms, 17 computed tomographic angiograms, and two magnetic resonance angiograms. Of these lesions with follow-up, ISR was documented in 25 and complete thrombosis in four. Two of the 4 patients with stent thrombosis had lengthy lesions requiring more than one stent to bridge the diseased segment. ISR was more frequent (odds ratio, 4.7; 95% confidence intervals, 1.4-15.5) within the anterior circulation (42%) than the posterior circulation (13%). Of the 29 patients with ISR or thrombosis, eight were symptomatic (four with stroke, four with transient ischemic attack) and 15 were retreated. Of the retreatments, four were complicated by clinically silent in-stent dissections, two of which required the placement of a second stent. One was complicated by a postprocedural reperfusion hemorrhage. CONCLUSION: The ISR rate with the Wingspan stent is higher in our series than previously reported, occurring in 29.7% of patients. ISR was more frequent within the anterior circulation than the posterior circulation. Although typically asymptomatic (76% of patients in our series), ISR can cause neurological symptoms and may require target vessel revascularization.

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KW - Angioplasty

KW - In-stent restenosis

KW - Intracranial atheromatous disease

KW - Stenting

KW - Thrombosis

KW - Wingspan stent

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