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Wei Y, Zhang X, Zhang R, Zhang G, Shang C, Chen R, Li D, Huyan M, Wu C, Zong K, Feng Z, Dai D, Li Q, Huang Q, Xu Y, Yang P, Zhao R, Zuo Q, Liu J. Staged stenting strategy of acutely wide-neck ruptured intracranial aneurysms: A meta-analysis and systematic review. Front Neurol 2023; 14:1070847. [PMID: 36816566 PMCID: PMC9936144 DOI: 10.3389/fneur.2023.1070847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 01/17/2023] [Indexed: 02/05/2023] Open
Abstract
Objective In the study, we explored the safety and effectiveness of staged stenting strategy for acutely wide-neck ruptured intracranial aneurysms. Methods Online databases, including PubMed, EMBASE, the Cochrane database, and Web of Science, were retrospectively and systematically searched. The main observation indicators were the procedure-related complication rate, complete occlusion rate, and favorable clinical outcome. Meta-analysis was performed using a random or fixed effect model based on heterogeneity. Results A total of 5 studies with 143 patients were included. The hemorrhagic complication rate of the initial coiling and staged stenting was 2.8% (4 of 143) and 0, respectively. The ischemic complication rate of the coiling and supplemental stenting was 3.5% (5 of 143) and 2.9% (4 of 139), respectively. There were no deaths due to procedure-related complications in two stages. The aneurysm complete occlusion rate was 25% (95% CI, 0.13-0.03; I2 = 4.4%; P = 0.168) after initial coiling, 54% (95% CI, 0.63-0.64; I2 = 0%; P = 0.872) after staged stenting, and 74% (95% CI, 0.66-0.81; I2 = 56.4%; P = 0.562) at follow-up, respectively. Favorable clinical outcome rate 74% (95% CI, 0.61-0.86; I2 = 50.5%; P = 0.133) after discharge of initial coiling treatment, and 86% (95% CI, 0.80-0.92; I2 = 0; P = 0.410) after discharge from stenting, and 97% (95% CI, 0.93-1.01; I2 = 43.8%; P = 0.130) at follow-up. Conclusion Staged stenting treatment of wide-neck RIA with coiling in the acute phase followed by delayed regular stent or flow-diverter stent had high aneurysm occlusion rate, favorable clinical outcome rate and low procedure-related complication rate. A more dedicated and well-designed controlled study is warranted for further evaluation of staged stenting treatment compared to SCA in wide-neck RIA.
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Zhang G, Zhang R, Wei Y, Chen R, Zhang X, Xue G, Lv N, Duan G, Wang C, Yu Y, Dai D, Zhao R, Li Q, Xu Y, Huang Q, Yang P, Zuo Q, Liu J. Comparison of staged-stent and stent-assisted coiling technique for ruptured saccular wide-necked intracranial aneurysms: Safety and efficacy based on a propensity score-matched cohort study. Front Neurol 2023; 14:1101859. [PMID: 36756245 PMCID: PMC9899883 DOI: 10.3389/fneur.2023.1101859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 01/02/2023] [Indexed: 01/24/2023] Open
Abstract
Background Application of stent-assisted coiling and FD in acute phase of ruptured wide-necked aneurysms is relatively contraindicated due to the potential risk of ischemic and hemorrhagic complications. Scheduled stenting after initial coiling has emerged as an alternative paradigm for ruptured wide-necked aneurysms. The objective of this study is to evaluate the safety and efficacy of a strategy of staged stent-assisted coiling in acutely ruptured saccular wide-necked intracranial aneurysms compared with conventional early stent-assisted coiling strategy via propensity score matching in a high-volume center. Methods A retrospective review of patients with acutely ruptured saccular wide-necked intracranial aneurysms who underwent staged stent-assisted coiling or conventional stent-assisted coiling from November 2014 to November 2019 was performed. Perioperative procedure-related complications and clinical and angiographic follow-up outcomes were compared. Results A total of 69 patients with staged stent-assisted coiling and 138 patients with conventional stent-assisted coiling were enrolled after 1:2 propensity score matching. The median interval time between previous coiling and later stenting was 4.0 weeks (range 3.5-7.5 weeks). No rebleeding occurred during the intervals. The rate of immediate complete occlusion was lower with initial coiling before scheduled stenting than with conventional stent-assisted coiling (21.7 vs. 60.9%), whereas comparable results were observed at follow-up (82.5 vs. 72.9%; p = 0.357). The clinical follow-up outcomes, overall procedure-related complications and procedure-related mortality between the two groups demonstrated no significant differences (P = 0.232, P = 0.089, P = 0.537, respectively). Multivariate analysis showed that modified Fisher grades (OR = 2.120, P = 0.041) were independent predictors for overall procedure-related complications and no significant predictors for hemorrhagic and ischemic complications. Conclusions Staged stent-assisted coiling is a safe and effective treatment strategy for acutely ruptured saccular wide-necked intracranial aneurysms, with comparable complete occlusion rates, recurrence rates at follow-up and overall procedure-related complication rates compared with conventional stent-assisted coiling strategy. Staged stent-assisted coiling could be an alternative treatment option for selected ruptured intracranial aneurysms in the future.
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Yamazaki H, Fujinaka T, Ozaki T, Kidani T, Nishimoto K, Taki K, Nishizawa N, Murakami K, Kanemura Y, Nakajima S. Staged treatment for ruptured wide-neck intracranial aneurysm with intentional partial coiling in the acute phase followed by definitive treatment. Surg Neurol Int 2022; 13:322. [PMID: 35928305 PMCID: PMC9345100 DOI: 10.25259/sni_529_2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 07/06/2022] [Indexed: 11/06/2022] Open
Abstract
Background: Evidence supports endovascular coiling for ruptured intracranial aneurysms (RIAs). However, in some cases, it is difficult to achieve complete occlusion by coiling, such as with wide-neck aneurysms. We report our experience with intentional staged RIA treatment using targeted endovascular coiling at the rupture point in the acute phase, followed by delayed stent-assisted coiling, flow diverter stenting, or surgical clipping. Methods: Consecutive patients with RIAs treated between April 2015 and June 2021 were retrospectively investigated. Clinical characteristics, treatment complications, and patient outcomes data were collected. Results: Among 108 RIAs treated in our hospital, 60 patients underwent initial coiling; 10 patients underwent staged treatment. The aneurysm locations were the anterior communicating artery (n = 5), internal carotid-posterior communicating artery (n = 3), internal carotid-paraclinoid (n = 1), and vertebral artery-posterior inferior cerebellar artery (n = 1). The mean ± standard deviation aneurysmal diameter was 9.6 ± 5.4 mm and the mean aspect ratio was 1.2 ± 0.7. As the second treatment to obliterate blood flow to the neck area, we performed five stent-assisted coiling, two flow-diverter stentings, and three surgical clippings. Only one minor perioperative complication occurred. The median duration between the first and second treatments was 18 days (range, 14– 42 days). Good clinical outcome (modified Rankin scale score 0–2) at 90 days was achieved in 5 (50%) cases. The median follow-up duration was 6.5 months (range, 3–35 months); no rerupture occurred. Conclusion: Intentional staged treatment with a short time interval for RIA was effective and feasible.
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Onay M, Altay CM, Binboga AB. Targeted and Staged Treatment for Ruptured Wide-neck Intracranial Aneurysms: Bleb Coiling Strategy as a New Approach. Acad Radiol 2022; 29 Suppl 3:S132-S140. [PMID: 34175208 DOI: 10.1016/j.acra.2021.05.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/20/2021] [Accepted: 05/19/2021] [Indexed: 11/01/2022]
Abstract
RATIONALE AND OBJECTIVE This study aimed to investigate the feasibility, safety, and efficiency rates of the bleb coiling technique for the treatment of acute ruptured wide-neck bifurcation aneurysm (WBNAs) by comparing it with device-assisted coiling. MATERIALS AND METHODS Patients with ruptured WNBAs who underwent endovascular treatment (EVT) were reviewed. The study sample was divided into five groups according to treatment type: bleb coiling, single catheter coiling, balloon-assisted coiling (BAC), neck remodeling mesh-assisted coiling, and stent-assisted coiling (SAC). The feasibility, safety, efficiency and complication rates of the bleb coiling technique were compared with each group. RESULTS This study included 109 patients with ruptured WNBAs. Bleb coiling was performed in 24 blebs of 20 WNBAs. The mean time interval between initial and complementary treatment in the bleb coiling group was 12.53± 5 .27 weeks (min-max: 4-23 weeks). No rebleeding occurred during this interval time, and no mortality or new permanent neurologic deficit caused by the bleb coiling technique was noted. The bleb coiling technique had a lower complication rate than other techniques (p <0.05). CONCLUSION The bleb coiling strategy led to favourable clinical outcomes with low complication rates and it can be considered as an alternative treatment option at acute phase of SAH in the endovascular treatment of ruptured WBNAs with coilable-bleb.
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Mine B, Bonnet T, Vazquez-Suarez JC, Ligot N, Lubicz B. Evaluation of clinical and anatomical outcome of staged stenting after acute coiling of ruptured intracranial aneurysms. Interv Neuroradiol 2019; 26:260-267. [PMID: 31822148 DOI: 10.1177/1591019919891602] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Stent-assisted coiling has widened indications and improved stability of endovascular treatment of intracranial aneurysms. However, stent-assisted coiling is usually not used to treat acutely ruptured intracranial aneurysms to avoid antiplatelet therapy. The objective of this study is to evaluate a strategy of staged endovascular treatment of ruptured intracranial aneurysms including coiling at the acute phase with complementary stenting with or without coiling at the subacute phase. MATERIAL AND METHODS Between 2012 and 2017, we retrospectively identified, in our prospectively maintained database, all patients treated for a ruptured intracranial aneurysm based on this staged stenting strategy. Clinical charts and imaging follow-up were analyzed to assess the procedural safety and feasibility as well as clinical and anatomical outcome. RESULTS We identified 23 patients with 23 intracranial aneurysms including 15 (65.2%) women with a mean age of 50 years (range 24-69 years). No rebleeding occurred during the mean delay of 24.3 days between initial coiling and stenting. All procedures were successful and additional coiling was performed in 5/23 procedures (21.7%). Clinical status was unchanged in all patients. At follow-up, the modified Rankin scale was graded 0 in 19/23 (82.6%), 1 in 2/23 (8.7%), and 2 in 2/23 (8.7%) patients, respectively. The rate of complete occlusion rose from 30.4% before the stenting procedure to 52.2% immediately after and 72.7% at follow-up. CONCLUSION This strategy of early staged stenting in selected patients is safe and improves immediate intracranial aneurysm occlusion and long-term stability in this population at high risk of intracranial aneurysm recurrence with coiling alone.
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Affiliation(s)
- Benjamin Mine
- Department of Interventional Neuroradiology, University Hospital Erasme, Brussels, Belgium
| | - Thomas Bonnet
- Department of Interventional Neuroradiology, University Hospital Erasme, Brussels, Belgium
| | | | - Noémie Ligot
- Department of Neurology, University Hospital Erasme, Brussels, Belgium
| | - Boris Lubicz
- Department of Interventional Neuroradiology, University Hospital Erasme, Brussels, Belgium
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Acioly MA, Shaikh KA, White IK, Ziemba-Davis M, Bohnstedt BN, Cohen-Gadol A. Predictors of Outcomes and Complications After Microsurgical and Endovascular Treatment of 1300 Intracranial Aneurysms. World Neurosurg 2019; 122:e516-e529. [PMID: 31108070 DOI: 10.1016/j.wneu.2018.10.094] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 10/13/2018] [Accepted: 10/16/2018] [Indexed: 12/14/2022]
Abstract
BACKGROUND We performed a rigorous statistical analysis of the complications and outcomes of patients with ruptured or unruptured intracranial aneurysms. Our emphasis was on the potential predictive factors when both surgical and endovascular management are offered by a team with balanced microsurgical and endovascular expertise. METHODS From January 2005 to December 2011, 1297 consecutive patients presenting with ruptured (n=829) or unruptured (n=468) aneurysms were prospectively enrolled in our vascular database. The treatment modality was determined by consensus of the endovascular and microsurgical teams. The patients' medical and neurological conditions and aneurysm characteristics were compared against the postintervention complication rates and outcomes using multivariate analyses. RESULTS The patients mostly underwent clipping for ruptured (63.7%) or unruptured (56.6%) aneurysms. For ruptured aneurysms, higher Hunt and Hess and Fisher grades on admission were key predictors of increased neurological (P < 0.001 and P < 0.001, respectively) and medical (P < 0.001 and P=0.041, respectively) complication rates. No significant differences in the outcomes were observed between the coiling or clipping groups during the follow-up period. For the unruptured group, a family history of intracranial aneurysms was the most relevant predictor for reducing neurological complication rates and increasing survival at 6 months. Hypertension was, however, the strongest factor associated with complications negatively affecting the outcomes. CONCLUSIONS For the ruptured and unruptured groups both, the outcomes were generally good, although neurological and medical complications were reasonably more frequent for the ruptured aneurysms. Coiling provided a sustained benefit in lowering the complication rates only in the short term for the unruptured aneurysms. Smoking was associated, paradoxically, with improved outcomes.
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Affiliation(s)
- Marcus André Acioly
- Division of Neurosurgery, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil; Division of Neurosurgery, Fluminense Federal University, Niterói-Rio de Janeiro, Brazil
| | - Kashif A Shaikh
- Department of Neurological Surgery, Indiana University School of Medicine and Goodman Campbell Brain and Spine, Indianapolis, Indiana, USA
| | - Ian K White
- Department of Neurological Surgery, Indiana University School of Medicine and Goodman Campbell Brain and Spine, Indianapolis, Indiana, USA
| | - Mary Ziemba-Davis
- Department of Neurological Surgery, Indiana University School of Medicine and Goodman Campbell Brain and Spine, Indianapolis, Indiana, USA
| | - Bradley N Bohnstedt
- Department of Neurosurgery, Oklahoma University, Oklahoma City, Oklahoma, USA
| | - Aaron Cohen-Gadol
- Department of Neurological Surgery, Indiana University School of Medicine and Goodman Campbell Brain and Spine, Indianapolis, Indiana, USA.
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Xu N, Meng H, Liu T, Feng Y, Qi Y, Zhang D, Wang H. Stent-Jailing Technique Reduces Aneurysm Recurrence More Than Stent-Jack Technique by Causing Less Mechanical Forces and Angiogenesis and Inhibiting TGF-β/Smad2,3,4 Signaling Pathway in Intracranial Aneurysm Patients. Front Physiol 2019; 9:1862. [PMID: 30670979 PMCID: PMC6331523 DOI: 10.3389/fphys.2018.01862] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 12/11/2018] [Indexed: 11/13/2022] Open
Abstract
Background: Stent-jailing and stent-jack are used for stent-assisted coil embolism (SCE) in intracranial aneurysm (IA) therapy, and cause different incidences of IA recurrence. Angiogenesis strongly correlates with aneurysm accumulation. Stent-jack causes higher mechanical forces in cerebral vessels than stent-jailing. Mechanical forces, as well as TGF-β/Smad2,3,4 signaling pathway, may play an important factor in IA recurrence by affecting angiogenesis. Methods: We explored the effects of stent-jailing or stent-jack technique on IA recurrence by investigating mechanical forces, TGF-β/Smad2,3,4 signaling pathway and the incidence of angiogenesis in IA patients. One-hundred-eighty-one IA patients were assigned into stent-jailing (n = 93) and stent-jacket groups (n = 88). The clinical outcome was evaluated using Glasgow Outcome Score (GOS) and aneurysm occlusion grades. The percentage of CD34+EPCs (releasing pro-angiogenic cytokines) in peripheral blood was measured by flow cytometer. Endothelial cells were separated from cerebral aneurysm and malformed arteries via immunomagnetic cell sorting. Angiogenesis was measured by microvessel density (MVD) using anti-CD34 monoclonal antibody staining before using the stent, immediately after surgery and 2 years later. Meanwhile, the mechanical forces in cerebral vessels were determined by measuring endothelial shear stress (ESS) via a computational method. TGF-β and Smad2,3,4 were measured by real-time qPCR and Western Blot. Tube formation analysis was performed to test the relationship between angiogenesis and TGF-β, and the effects of different techniques on angiogenesis. Results: After a 2-year follow-up, 85 and 81 patients from stent-jailing and stent-jack groups, respectively, completed the experiment. Stent-jailing technique improved GOS and reduced aneurysm occlusion grades higher than the stent-jack technique (P < 0.05). The counts of CD34+EPCs and MVD values in the stent-jailing group were lower than the stent-jack group (P < 0.05). ESS values in sent-jailing group were lower than the stent-jack group (P < 0.05), and positively correlated with MVD values (P < 0.05). TGF-β and Smad2,3,4 levels in sent-jailing group were also lower than the stent-jack group (P < 0.05). TGF-β was associated with angiogenesis incidence and stent-jack caused angiogenesis incidence more than stent-jailing. Conclusion: Stent-jailing technique reduces IA recurrence more than stent-jack by causing less mechanical forces, angiogenesis and inhibiting TGF-β/Smad2,3,4 signaling in IA patients.
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Affiliation(s)
- Ning Xu
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Hao Meng
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Tianyi Liu
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Yingli Feng
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Yuan Qi
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Donghuan Zhang
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Honglei Wang
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
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Su W, Zhang Y, Chen J, Liu J, Rajah G, Yang X. 225 intracranial aneurysms treated with the Low-profile Visualized Intraluminal Support (LVIS) stent: a single-center retrospective study. Neurol Res 2018; 40:445-451. [PMID: 29683412 DOI: 10.1080/01616412.2018.1457608] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Wei Su
- Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Beijing Tsinghua Chang Gung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Yisen Zhang
- Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Junfan Chen
- Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jian Liu
- Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Gary Rajah
- Department of Neurosurgery, Wayne State University School of Medicine, Detroit, MI, USA
| | - Xinjian Yang
- Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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