Outcomes of endovascular treatment for acute ischaemic stroke in Mater Dei Hospital, Malta

2021 ◽  
pp. 197140092110344
Author(s):  
Kyle Cilia ◽  
Reuben Grech ◽  
Maria Mallia
Keyword(s):  
Cerebral Infarction ◽  
Ischaemic Stroke ◽  
Endovascular Treatment ◽  
Scale Score ◽  
Acute Ischaemic Stroke ◽  
Mechanical Thrombectomy ◽  
Functional Independence ◽  
National Institutes Of Health ◽  
Modified Rankin Scale ◽  
The Mean

Introduction The aim of this study was to assess the outcomes of endovascular treatment for acute ischaemic stroke in Mater Dei Hospital, Malta and compare them with international data. Methods A prospective review of all patients who underwent mechanical thrombectomy from 2015 to the end of 2019 was performed. Eligible patients had large vessel occlusion confirmed on computed tomography angiography. Demographical data, the National Institutes of Health stroke scale at presentation, endovascular procedure details and process times were analysed. The thrombolysis in cerebral infarction score was used to assess the degree of reperfusion. A thrombolysis in cerebral infarction score of 2b–3 was considered as successful recanalisation. Functional outcome (modified Rankin scale score) and mortality at 90 days were measured. Functional independence was defined as a modified Rankin scale score of 2 or less. Results A total of 132 patients underwent endovascular treatment, one patient was excluded due to incomplete data. The mean age was 71 (range 25–94) years, and the mean National Institutes of Health stroke scale at presentation was 14. Of the 131 patients treated, 69 received intravenous thrombolysis. Successful recanalisation (thrombolysis in cerebral infarction score 2b–3) was achieved in 80% of patients (105/131); 53% of patients (69/131) achieved functional independence at 90 days, with a mortality of 21% at 90 days. Symptomatic intracranial haemorrhage was recorded in 16 patients (12%) There was a statistical difference in the functional independence and mortality rate in favour of the successful recanalisation group. Conclusion Our data are consistent with a favourable clinical outcome after successful recanalisation. Service in Malta is achieving favourable outcomes for patients treated with mechanical thrombectomy for acute ischaemic stroke.

scholarly journals Mechanical thrombectomy in acute ischaemic stroke patients with pre-interventional intracranial haemorrhage following intravenous thrombolysis

2021 ◽  
pp. 197140092110091
Author(s):  
Hanna Styczen ◽  
Matthias Gawlitza ◽  
Nuran Abdullayev ◽  
Alex Brehm ◽  
Carmen Serna-Candel ◽  
...  
Keyword(s):  
Clinical Outcome ◽  
Ischaemic Stroke ◽  
Acute Ischaemic Stroke ◽  
Intracranial Haemorrhage ◽  
Mechanical Thrombectomy ◽  
Intravenous Thrombolysis ◽  
Modified Rankin Scale ◽  
Large Vessel Occlusion ◽  
Stroke Patients ◽  
Vessel Occlusion

Background Data on outcome of endovascular treatment in patients with acute ischaemic stroke due to large vessel occlusion suffering from intravenous thrombolysis-associated intracranial haemorrhage prior to mechanical thrombectomy remain scarce. Addressing this subject, we report our multicentre experience. Methods A retrospective analysis of consecutive acute ischaemic stroke patients treated with mechanical thrombectomy due to large vessel occlusion despite the pre-interventional occurrence of intravenous thrombolysis-associated intracranial haemorrhage was performed at five tertiary care centres between January 2010–September 2020. Baseline demographics, aetiology of stroke and intracranial haemorrhage, angiographic outcome assessed by the Thrombolysis in Cerebral Infarction score and clinical outcome evaluated by the modified Rankin Scale at 90 days were recorded. Results In total, six patients were included in the study. Five individuals demonstrated cerebral intraparenchymal haemorrhage on pre-interventional imaging; in one patient additional subdural haematoma was observed and one patient suffered from isolated subarachnoid haemorrhage. All patients except one were treated by the ‘drip-and-ship’ paradigm. Successful reperfusion was achieved in 4/6 (67%) individuals. In 5/6 (83%) patients, the pre-interventional intracranial haemorrhage had aggravated in post-interventional computed tomography with space-occupying effect. Overall, five patients had died during the hospital stay. The clinical outcome of the survivor was modified Rankin Scale=4 at 90 days follow-up. Conclusion Mechanical thrombectomy in patients with intravenous thrombolysis-associated intracranial haemorrhage is technically feasible. The clinical outcome of this subgroup of stroke patients, however, appears to be devastating with high mortality and only carefully selected patients might benefit from endovascular treatment.

scholarly journals Hemodynamic Status During Endovascular Stroke Treatment: Association of Blood Pressure with Functional Outcome

2021 ◽  
Author(s):  
Min Chen ◽  
Dorothea Kronsteiner ◽  
Johannes Pfaff ◽  
Simon Schieber ◽  
Laura Jäger ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Standard Deviation ◽  
Functional Outcome ◽  
Scale Score ◽  
Endovascular Therapy ◽  
National Institutes Of Health ◽  
Modified Rankin Scale ◽  
Vessel Occlusion ◽  
Stroke Treatment ◽  
The Mean

Abstract Background Optimal blood pressure (BP) management during endovascular stroke treatment in patients with large-vessel occlusion is not well established. We aimed to investigate associations of BP during different phases of endovascular therapy with reperfusion and functional outcome. Methods We performed a post hoc analysis of a single-center prospective study that evaluated a new simplified procedural sedation standard during endovascular therapy (Keep Evaluating Protocol Simplification in Managing Periinterventional Light Sedation for Endovascular Stroke Treatment). BP during endovascular therapy in patients was managed according to protocol. Data from four different phases (baseline, pre-recanalization, post recanalization, and post intervention) were obtained, and mean BP values, as well as changes in BP between different phases and reductions in systolic BP (SBP) and mean arterial pressure (MAP) from baseline to pre-recanalization, were used as exposure variables. The main outcome was a modified Rankin Scale score of 0–2 three months after admission. Secondary outcomes were successful reperfusion and change in the National Institutes of Health Stroke Scale score after 24 h. Multivariable linear and logistic regression models were used for statistical analysis. Results Functional outcomes were analyzed in 139 patients with successful reperfusion (defined as thrombolysis in cerebral infarction grade 2b–3). The mean (standard deviation) age was 76 (10.9) years, the mean (standard deviation) National Institutes of Health Stroke Scale score was 14.3 (7.5), and 70 (43.5%) patients had a left-sided vessel occlusion. Favorable functional outcome (modified Rankin Scale score 0–2) was less likely with every 10-mm Hg increase in baseline (odds ratio [OR] 0.76, P = 0.04) and pre-recanalization (OR 0.65, P = 0.011) SBP. This was also found for baseline (OR 0.76, P = 0.05) and pre-recanalization MAP (OR 0.66, P = 0.03). The maximum Youden index in a receiver operating characteristics analysis revealed an SBP of 163 mm Hg and MAP of 117 mm Hg as discriminatory thresholds during the pre-recanalization phase to predict functional outcome. Conclusions In our protocol-based setting, intraprocedural pre-recanalization BP reductions during endovascular therapy were not associated with functional outcome. However, higher intraprocedural pre-recanalization SBP and MAP were associated with worse functional outcome. Prospective randomized controlled studies are needed to determine whether BP is a feasible treatment target for the modification of outcomes.

scholarly journals Smoking Paradox in Stroke Survivors?

Stroke ◽  
2020 ◽  
Vol 51 (4) ◽  
pp. 1248-1256
Author(s):  
Hao-Kuang Wang ◽  
Chih-Yuan Huang ◽  
Yuan-Ting Sun ◽  
Jie-Yuan Li ◽  
Chih-Hung Chen ◽  
...  
Keyword(s):  
Scale Score ◽  
Screening Program ◽  
Smoking Status ◽  
Fold Increase ◽  
Functional Independence ◽  
National Institutes Of Health ◽  
Age Difference ◽  
Modified Rankin Scale ◽  
Stroke Incidence ◽  
Stroke Registry

Background and Purpose— The observation that smokers with stroke could have better outcome than nonsmokers led to the term “smoking paradox.” The controversy of such a complex claim has not been fully settled, even though different case mix was noted. Analyses were conducted on 2 independent data sets to evaluate and determine whether such a paradox truly exists. Methods— Taiwan Stroke Registry with 88 925 stroke cases, and MJ cohort with 541 047 adults participating in a medical screening program with 1630 stroke deaths developed during 15 years of follow-up (1994–2008). Primary outcome for stroke registry was functional independence at 3 months by modified Rankin Scale score ≤2, for individuals classified by National Institutes of Health Stroke Scale score at admission. For MJ cohort, mortality risk by smoking status or by stroke history was assessed by hazard ratio. Results— A >11-year age difference in stroke incidence was found between smokers and nonsmokers, with a median age of 60.2 years for current smokers and 71.6 years for nonsmokers. For smokers, favorable outcome in mortality and in functional assessment in 3 months with modified Rankin Scale score ≤2 stratified by the National Institutes of Health Stroke Scale score was present but disappeared when age and sex were matched. Smokers without stroke history had a ≈2-fold increase in stroke deaths (2.05 for ischemic stroke and 1.53 for hemorrhagic stroke) but smokers with stroke history, 7.83-fold increase, overshadowing smoking risk. Quitting smoking at earlier age reversed or improved outcome. Conclusions— “The more you smoke, the earlier you stroke, and the longer sufferings you have to cope.” Smokers had 2-fold mortality from stroke but endured stroke disability 11 years longer. Quitting early reduced or reversed the harms.

scholarly journals Endovascular treatment of acute ischaemic stroke in octogenarians and nonagenarians compared with younger patients

2019 ◽  
Vol 32 (4) ◽  
pp. 303-308 ◽  
Author(s):  
Yasuhiro Kawabata ◽  
Norio Nakajima ◽  
Hidenori Miyake ◽  
Shunichi Fukuda ◽  
Tetsuya Tsukahara
Keyword(s):  
Ischaemic Stroke ◽  
Functional Outcome ◽  
Scale Score ◽  
Endovascular Therapy ◽  
Acute Ischaemic Stroke ◽  
Intravenous Thrombolysis ◽  
Favourable Outcome ◽  
Modified Rankin Scale ◽  
Very Elderly ◽  
Younger Patients

Purpose: Endovascular therapy for emergent large vessel occlusion has been established as the standard approach for acute ischaemic stroke. However, the effectiveness and safety of endovascular therapy in the very elderly population has not been proved. Objective: To determine the safety and effectiveness of endovascular therapy in octogenarians and nonagenarians. Methods: We retrospectively reviewed all patients who underwent endovascular therapy at two stroke centres between April 2012 and July 2018. Functional outcome was assessed using the modified Rankin scale at 90 days after stroke or at discharge. A favourable outcome was defined as a modified Rankin scale score of 0–2 or not worsening of the modified Rankin scale score before stroke. Outcome was compared between younger patients (aged 46–79 years, n = 40) and octogenarians and nonagenarians (aged 80–97 years, n = 19). Results: Octogenarian and nonagenarian patients had pre-stroke functional deficit (modified Rankin scale score >1) more frequently than younger patients (57.9% vs. 20.0%, respectively, P = 0.0059). No difference was observed between very elderly and younger patients in the rate of successful reperfusion (89.5% vs. 67.5%, respectively, P = 0.11), favourable functional outcome (47.4% vs. 45.0%, respectively, P = 1.00) and mortality (21.1% vs. 27.5%, respectively, P = 1.00). On multiple regression analysis, successful reperfusion, concomitant use of intravenous thrombolysis, and out-of-hospital onset were independent predictors of favourable outcome ( P = 0.0003, 0.015 and 0.028, respectively). Conclusions: Successful reperfusion, concomitant use of intravenous thrombolysis, and out-of-hospital onset were clinical predictors of favourable outcome. However, we did not observe an age-dependent effect of clinical outcome after endovascular therapy.

scholarly journals Is Endovascular Treatment Still Good for Ischemic Stroke in Real World?

Stroke ◽  
2020 ◽  
Vol 51 (11) ◽  
pp. 3250-3263
Author(s):  
Zixu Zhao ◽  
Jiarui Zhang ◽  
Xin Jiang ◽  
Li Wang ◽  
Zixiao Yin ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Endovascular Treatment ◽  
Scale Score ◽  
Real World ◽  
Observational Studies ◽  
National Institutes Of Health ◽  
Modified Rankin Scale ◽  
Severe Stroke ◽  
Stroke Group ◽  
Mild Stroke

Background and Purpose: Although endovascular treatment (EVT) for acute ischemic stroke is classified as I evidence, outcomes after EVT in real-world practice appear to be less superior than those in randomized clinical trials (RCTs). Additionally, the effect of EVT is unclear compared with medical treatment (MT) for patients with mild symptoms defined by National Institutes of Health Stroke Scale score <6 or with severe symptoms defined by Alberta Stroke Program Early CT Score <6. Methods: Literatures were searched in big databases and major meetings from December 6, 2009, to December 6, 2019, including RCTs and observational studies comparing EVT against MT for patients with acute ischemic stroke. Observational studies were precategorized into 3 groups based on imaging data on admission: mild stroke group with National Institutes of Health Stroke Scale score <6, severe stroke group with Alberta Stroke Program Early CT Score <6 or ischemic core ≥50 mL, and normal stroke group for all others. Outcome was measured as modified Rankin Scale score of 0 to 2, mortality at 90 days, and symptomatic intracranial hemorrhage (sICH) at 24 hours. Results: Fifteen RCTs (n=3694) and 37 observational studies (n=9090) were included. EVT was associated with higher modified Rankin Scale 0 to 2 rate and lower mortality in RCTs and normal stroke group, whereas EVT was associated with higher sICH rate in normal stroke group, and no difference of sICH rate appeared between EVT and MT in RCTs. In severe stroke group, EVT was associated with higher modified Rankin Scale 0 to 2 rate and lower mortality, whereas no difference of sICH rate was found. In mild stroke group, there was no difference in modified Rankin Scale 0 to 2 rate between EVT and MT, whereas EVT was associated with higher mortality and sICH rate. Conclusions: Evidence from RCTs and observational studies supports the use of EVT as the first-line choice for eligible patients corresponding to the latest guideline. For patients with Alberta Stroke Program Early CT Score <6, EVT showed superiority over MT, also in line with the guidelines. On the contrary to the guideline, our data do not support EVT for patients with National Institutes of Health Stroke Scale score <6.

scholarly journals Predicting 90-day modified Rankin Scale score with discharge information in acute ischaemic stroke patients following treatment

2021 ◽  
Vol 3 (1) ◽  
pp. e000177
Author(s):  
Andrew K ElHabr ◽  
Jeffrey M Katz ◽  
Jason Wang ◽  
Mehrad Bastani ◽  
Gabriela Martinez ◽  
...  
Keyword(s):  
Ischaemic Stroke ◽  
Scale Score ◽  
Acute Ischaemic Stroke ◽  
Modified Rankin Scale ◽  
Stroke Patients ◽  
Long Term Outcome ◽  
Predictive Values ◽  
Discharge Disposition ◽  
Home Discharge ◽  
Scale Scores

ObjectivesTo understand variability in modified Rankin Scale scores from discharge to 90 days in acute ischaemic stroke patients following treatment, and examine prediction of 90-day modified Rankin Scale score by using discharge modified Rankin Scale and discharge disposition.Materials and methodsRetrospective analysis of acute ischaemic stroke patients following treatment was performed from January 2016 to March 2020. Data collection included demographic and clinical characteristics and outcomes data (modified Rankin Scale score at discharge, 30 days and 90 days and discharge disposition). Pearson’s χ2 test assessed statistical differences in distribution of modified Rankin Scale scores at discharge, 30 days and 90 days. The predictive power of discharge modified Rankin Scale score and disposition quantified the association with 90-day outcome.ResultsA total of 280 acute ischaemic stroke patients (65.4% aged ≥65 years, 47.1% female, 60.7% white) were included in the analysis. The modified Rankin Scale score significantly changed between 30 and 90 days from discharge (p<0.001) after remaining stable from discharge to 30 days (p=0.665). The positive and negative predictive values of an unfavourable long-term outcome for discharge modified Rankin Scale scores of 3–5 were 67.7% (95% CI 60.4% to 75.0%) and 82.0% (95% CI 75.1% to 88.8%), and for non-home discharge disposition were 72.4% (95% CI 64.5% to 80.2%) and 74.5% (95% CI 67.8% to 81.3%), respectively.ConclusionsDischarge modified Rankin Scale score and non-home discharge disposition are good individual predictors of 90-day modified Rankin Scale score for ischaemic stroke patients following treatment.

scholarly journals Endovascular treatment with or without intravenous alteplase for acute ischaemic stroke due to basilar artery occlusion

2021 ◽  
pp. svn-2021-001242
Author(s):  
Ximing Nie ◽  
David Wang ◽  
Yuehua Pu ◽  
Yufei Wei ◽  
Qixuan Lu ◽  
...  
Keyword(s):  
Ischaemic Stroke ◽  
Endovascular Treatment ◽  
Basilar Artery ◽  
Acute Ischaemic Stroke ◽  
Functional Outcomes ◽  
Meta Analysis ◽  
Functional Independence ◽  
Artery Occlusion ◽  
Lower Percentage ◽  
Basilar Artery Occlusion

Background and purposeIt remains controversial if endovascular treatment (EVT) can improve the outcome of patients with acute basilar artery occlusion (BAO). This study aims to compare the functional outcomes between EVT with and without intravenous thrombolysis (IVT) first in patients who had acute ischaemic stroke (AIS) due to BAO.MethodsPatients who had AIS with BAO who underwent EVT within 24 hours of onset were enrolled in this multicentre cohort study, and the efficacy and safety were compared between IVT+EVT and direct EVT. The primary outcome was 90-day functional independence. All outcomes were assessed with adjusted OR (aOR) from the multivariable logistic regression. In addition, a meta-analysis was performed on all recently published pivotal studies on functional independence after EVT in patients with BAO.ResultsOf 310 enrolled patients with BAO, 241 (78%) were treated with direct EVT and 69 (22%) with IVT+EVT. Direct EVT was associated with a worse functional outcome (aOR, 0.46 (95% CI 0.24 to 0.85), p=0.01). IVT+EVT was associated with a lower percentage of patients who needed ≥3 passes of stent retriever (10.14% vs 20.75%). The meta-analysis regression revealed a potential positive correlation between bridging with IVT first and functional independence (r=0.14 (95% CI 0.05 to 0.24), p<0.01).ConclusionsThis study showed that compared with direct EVT, EVT with IVT first was associated with better functional outcomes in patients with BAO treated within 24 hours of onset. The meta-analysis demonstrated similar favourable efficacy of IVT first followed by EVT in patients with BAO.

Value of machine learning to predict functional outcome of endovascular treatment for acute ischaemic stroke of the posterior circulation

2021 ◽  
pp. 197140092110490
Author(s):  
Ludger Feyen ◽  
Peter Schott ◽  
Hendrik Ochmann ◽  
Marcus Katoh ◽  
Patrick Haage ◽  
...  
Keyword(s):  
Machine Learning ◽  
Random Forest ◽  
Ischaemic Stroke ◽  
Endovascular Treatment ◽  
Linear Model ◽  
Acute Ischaemic Stroke ◽  
Favourable Outcome ◽  
Posterior Circulation ◽  
Nearest Neighbour ◽  
Modified Rankin Scale

Purpose Clinical outcomes vary considerably among individuals with vessel occlusion of the posterior circulation. In the present study we evaluated machine learning algorithms in their ability to discriminate between favourable and unfavourable outcomes in patients with endovascular treatment of acute ischaemic stroke of the posterior circulation. Methods This retrospective study evaluated three algorithms (generalised linear model, K-nearest neighbour and random forest) to predict functional outcomes at dismissal of 30 patients with acute occlusion of the basilar artery who were treated with thrombectomy. Input variables encompassed baseline as well as peri and postprocedural data. Favourable outcome was defined as a modified Rankin scale score of 0–2 and unfavourable outcome was defined as a modified Rankin scale score of 3–6. The performance of the algorithms was assessed with the area under the receiver operating curve and with confusion matrixes. Results Successful reperfusion was achieved in 83%, with 30% of the patients having a favourable outcome. The area under the curve was 0.93 for the random forest model, 0.86 for the K-nearest neighbour model and 0.78 for the generalised linear model. The accuracy was 0.69 for the generalised linear model and 0.84 for the random forest and the K nearest neighbour models. Conclusion Favourable and unfavourable outcomes at dismissal of patients with acute ischaemic stroke of the posterior circulation can be predicted immediately after the follow-up non-enhanced computed tomography using machine learning.

To Treat or Not to Treat M2 Occlusions? The Question (and Answer) From a Single Institution

Neurosurgery ◽  
2015 ◽  
Vol 79 (3) ◽  
pp. 428-436 ◽  
Author(s):  
Stephan A. Munich ◽  
Shelby L. Hall ◽  
Marshall C. Cress ◽  
Leonardo Rangel-Castilla ◽  
Kenneth V. Snyder ◽  
...  
Keyword(s):  
Endovascular Treatment ◽  
Scale Score ◽  
National Institutes Of Health ◽  
Clinical Effects ◽  
Single Institution ◽  
Randomized Controlled ◽  
Randomized Controlled Studies ◽  
Symptomatic Intracranial Hemorrhage ◽  
The Mean

Abstract BACKGROUND: Occlusions of the M2 segment of the middle cerebral artery may cause significant clinical effects, especially when occurring in the dominant cerebral hemisphere, yet endovascular treatment of these lesions remains controversial. OBJECTIVE: To examine the safety and efficacy of endovascular treatment of M2 occlusions at our institution. METHODS: We retrospectively examined radiographic and clinical data of 53 patients presenting with M2 occlusions to our institution. RESULTS: Successful recanalization (Thrombolysis in Cerebral Infarction grade 2b or 3) was achieved in 40 patients (76.9%). No symptomatic intracranial hemorrhage occurred. The mean National Institutes of Health Stroke Scale score at discharge was 6.4 (median, 5.5). In the 38 patients who had follow-up after discharge, the mean follow-up duration was 11.1 months (range, 0.5-36.5 months) and mean National Institutes of Health Stroke Scale score was 3.5 (median, 1). CONCLUSION: The results of our single-institution experience suggest that endovascular therapy for M2 occlusions is safe and effective. Additional evaluation with randomized, controlled studies is warranted.

Predictors of Outcome, Complications, and Recanalization of the Solitaire Device

Neurosurgery ◽  
2015 ◽  
Vol 77 (3) ◽  
pp. 355-361 ◽  
Author(s):  
Badih Daou ◽  
Nohra Chalouhi ◽  
Robert M. Starke ◽  
Richard Dalyai ◽  
Kate Hentschel ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Cerebral Infarction ◽  
Acute Ischemic Stroke ◽  
Scale Score ◽  
Univariate Analysis ◽  
Favorable Outcome ◽  
Modified Rankin Scale ◽  
Nihss Score ◽  
Flow Restoration ◽  
The Mean

Abstract BACKGROUND: The use of mechanical thrombectomy in the management of acute ischemic stroke is becoming increasingly popular. OBJECTIVE: To identify notable factors that affect outcome, revascularization, and complications in patients with acute ischemic stroke treated with the Solitaire Flow Restoration Revascularization device. METHODS: Eighty-nine patients treated with the Solitaire Flow Restoration Revascularization device (ev3/Covidien Vascular Therapies, Irvine, California) were retrospectively analyzed. Three endpoints were considered: revascularization (Thrombolysis In Cerebral Infarction), outcome (modified Rankin Scale score), and complications. Univariate analysis and multivariate logistic regression were conducted to determine significant predictors. RESULTS: The mean time from onset of symptoms to the start of intervention was 6.7 hours. The average procedure length was 58 minutes. The mean NIH Stroke Scale (NIHSS) score was 16 on arrival and 8 at discharge. Of the patients, 6.7% had a symptomatic intracerebral hemorrhage, 16.8% had fatal outcomes within 3 months post-intervention, and 81.4% had a successful recanalization. Thrombus location in the M1 segment of the middle cerebral artery was associated with successful recanalization (thrombolysis in cerebral infarction 2b/3) (P = .003). Of the patients, 56.6% had a favorable outcome (modified Rankin Scale score at 3 months: 0–2). In patients younger than 80 years of age, 66.7% had favorable outcome. Increasing age (P = .01) and NIHSS score (P = .002) were significant predictors of a poor outcome. On multivariate analysis, NIHSS score on admission (P = .05) was a predictor of complications. On univariate analysis, increasing NIHSS score from admission to 24 hours after the procedure (P = .05) and then to discharge (P = .04) was a predictor of complications. Thrombus location in the posterior circulation (P = .04) and increasing NIHSS score (P = .04) predicted mortality. CONCLUSION: The Solitaire device is safe and effective in achieving successful recanalization after acute ischemic stroke. Important factors to consider include age, NIHSS score, and location.

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