Abstract P559: Sex Differences in Clinical Outcomes After Endovascular Thrombectomy for Large Vessel Occlusion Stroke: A Sub-Analysis of the SELECT Study

Stroke ◽  
2021 ◽  
Vol 52 (Suppl_1) ◽  
Author(s):  
Johanna T Fifi ◽  
Thanh Nguyen ◽  
Sarah Song ◽  
Anjail Z Sharrief ◽  
Deep Pujara ◽  
...  
Keyword(s):  
Sex Differences ◽  
Functional Independence ◽  
Large Vessel ◽  
Repeated Measure ◽  
Large Vessel Occlusion ◽  
Post Discharge ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
Endovascular Thrombectomy ◽  
Discharge Disposition

Background: Women have been shown to have greater disability than men after acute ischemic stroke (AIS) treated by thrombolysis. Whether endovascular thrombectomy (EVT) outcomes differ by sex with AIS from large vessel occlusion (LVO) is controversial. We compared sex differences in EVT outcomes and assessed relationship to post-discharge improvement. Methods: In SELECT prospective cohort, EVT treated anterior circulation LVOs (ICA, MCA M1/M2) ≤24 hrs from LKW were stratified by sex. Discharge, 90-day mRS were compared in all patients and a propensity matched cohort. We evaluated mRS improvement (discharge to 90-day) using repeated measure mixed regression with linear approximation of mRS. Results: Of 285 patients, 139 (48.8%) were women, and older (mean IQR 69 years (57,81) vs 65 (56,75), p=0.04) with similar NIHSS (17 (11,22) vs 16 (12,20), p=0.44). Women had smaller perfusion lesion 109 (66,151) vs 154 (104,198) cc, p<0.001) and better collaterals on CTA/CTP but similar ischemic core size 8 (0,25) vs 11 (0,38) cc, p=0.22. Discharge functional independence rates, mean (IQR) mRS were similar (women 39% vs men 46%, p=0.14, and mRS: 3 vs 3, p=0.43). 90-day mRS 0-2 did not differ between women and men (50% vs 55%, aOR 0.77, 95% CI 0.39-1.50, p=0.39) and mean (IQR) mRS: 2 (1,4) vs 2 (0,4). Larger predicted mRS score improvement trend seen in men (2.62 vs 2.21, reduction 0.41) than women (2.65 vs 2.46, reduction: 0.19, p=0.21), Fig 2A. In propensity matched 65 pairs, women exhibited worse 90-day mRS 0-2 (46% vs 60%, aOR 0.41, 95% CI 0.16-1.00, p=0.05). mRS improvement from discharge to 90-day was significantly larger in men (2.49 vs 1.88, reduction 0.61 vs women 2.52 vs 2.44, reduction 0.08, p=0.04), despite similar discharge disposition Fig 2B. Conclusion: Women had similar discharge outcomes as men following EVT, but improvement at 90 days was significantly worse in women. Further exploration of the influence of post-discharge factors to identify target interventions is warranted.

Efficient Multimodal MRI Evaluation for Endovascular Thrombectomy of Anterior Circulation Large Vessel Occlusion

2020 ◽  
Vol 29 (12) ◽  
pp. 105271
Author(s):  
Kunakorn Atchaneeyasakul ◽  
David S. Liebeskind ◽  
Reza Jahan ◽  
Sidney Starkman ◽  
Latisha Sharma ◽  
...  
Keyword(s):  
Large Vessel ◽  
Large Vessel Occlusion ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
Endovascular Thrombectomy ◽  
Multimodal Mri ◽  
Mri Evaluation

Abstract WP26: Validation of Predictive Scales of Functional Outcome After Endovascular Therapy Using the REVASCAT Data

Stroke ◽  
2016 ◽  
Vol 47 (suppl_1) ◽  
Author(s):  
Natalia Perez de la Ossa ◽  
Srikant Rangaraju ◽  
Tudor Jovin ◽  
Anoni Dávalos ◽  
Keyword(s):  
Functional Outcome ◽  
Endovascular Therapy ◽  
Predictive Accuracy ◽  
Functional Independence ◽  
Large Vessel ◽  
Large Vessel Occlusion ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
Good Outcome ◽  
Best Medical Treatment

Introduction: Various scales have been developed to predict long-term clinical outcome after endovascular therapy (EVT) in stroke patients. The objective of this study was to validate and compare five well-validated scales in terms of predictive accuracy for functional independence in a recent endovascular stroke trial (REVASCAT). Hypothesis: We hypothesize that predictive scales (PRE, THRIVE, HIAT2, SPAN-100, FAR) have good-excellent (AUC>0.7) predictive accuracy for good functional outcome and can predict the beneficial effect of EVT demonstrated in randomized clinical trials. Methods: REVASCAT (Randomized Trial of Revascularization with Solitaire-FR Device versus Best Medical Therapy in the Treatment of Acute Stroke Due to Anterior Circulation Large Vessel Occlusion Presenting within Eight Hours of Symptom Onset) enrolled 206 patients who were randomized to receive EVT or best medical treatment. Five scores (PRE-score, THRIVE, HIAT2, SPAN-100 and FAR-score) were retrospectively calculated on patients who received EVT. Receiver-operator characteristics (ROC) for good outcome (mRS 0-2 at 90 days) for each scale were compared. Using the highest predictive scales, the proportion of patients with good outcome by the score categorized in quartiles was analyzed. Results: 103 patients received EVT in the REVASCAT trial (mean age 65.7, median NIHSS 17). Baseline NIHSS, baseline CT-ASPECTS, age and atrial fibrillation, but not previous iv tPA or DM, were associated with good outcome in multivariable analysis. AUC for good outcome was ≥0.70 for FAR (0.74) and PRE (0.70) scores while SPAN-100 (0.67), HIAT2 (0.65) and THRIVE (0.64) had lower AUCs although differences were not statistically significant. The higher the score on the PRE and FAR scores, the lower the proportion of patients with good outcome (PRE-score: 1QT 44.4%, 2QT 24.4%, 3QT 22.2%, 4 QT 8.9%; FAR-score: 1QT 57.8%, 2QT 22.2%, 3QT 6.7%, 4QT 3.3%). Benefit of EVT accordingly to the score on the different scales will be also presented. Conclusions: Of the 5 stroke scales, FAR and PRE had better predictive accuracy for functional independence after EVT. These tools may facilitate decision making for EVT in anterior circulation large vessel occlusion stroke.

Abstract TP28: Intravenous Thrombolysis is Associated With Better Functional Outcomes in Endovascular Thrombectomy Patients Requiring Multiple-Passes to Achieve Reperfusion

Stroke ◽  
2020 ◽  
Vol 51 (Suppl_1) ◽  
Author(s):  
Christopher Blair ◽  
Cecilia Cappelen-Smith ◽  
Dennis Cordato ◽  
Leon Edwards ◽  
Amer Mitchelle ◽  
...  
Keyword(s):  
Functional Outcomes ◽  
Intravenous Thrombolysis ◽  
Functional Independence ◽  
Independent Effect ◽  
Large Vessel Occlusion ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
Endovascular Thrombectomy ◽  
Multiple Pass ◽  
First Pass

Introduction: In patients with anterior circulation stroke with large vessel occlusion (LVO), recent data suggest that successful reperfusion (mTICI≥2b) after a single device pass results in more favourable functional outcomes in comparison to patients requiring multiple passes. It is unclear if this effect represents an epiphenomenon or a true independent effect. Methods: A prospectively maintained database of EVT was interrogated for patients presenting with anterior circulation LVO with onset to groin puncture times of ≤ 6 hours from January 2016 to March 2019. Three-month functional outcomes were compared between first-pass reperfusion and multiple-pass reperfusion patients using logistic regression. Results: A total of 169 patients were identified (mean age 71 yrs, 44% female, median NIHSS 17, intravenous thrombolysis (IVT) in 47%). Successful reperfusion (mTICI≥2b) was achieved with the first-pass (FP) in 80 patients (47%) and multiple-passes (MP) in 89 patients (53%). First pass patients had better outcomes when compared to MP patients (mRS 0-2 71% vs 31%, p < 0.001). No difference in functional outcomes was seen between FP patients who received IVT and those that did not (mRS 0-2 68% vs 75%, p = 0.459). Multiple-pass patients who received IVT achieved higher rates of functional independence than those who did not (mRS 0-2 40% vs 27%, p = 0.035). Conclusion: Intravenous thrombolysis may improve functional recovery in EVT patients requiring multiple-passes to achieve reperfusion. Prospective studies should be considered.

Predictors of 30-day mortality after endovascular thrombectomy for large vessel occlusion in the elderly

2021 ◽  
pp. 159101992110692
Author(s):  
Yen-Jun Lai ◽  
Szu-Hsiang Peng ◽  
Wei-Jen Lai ◽  
Ai-Hsien Li ◽  
Ho-Hsian Yen ◽  
...  
Keyword(s):  
Primary Outcome ◽  
The Elderly ◽  
Large Vessel ◽  
Large Vessel Occlusion ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
Endovascular Thrombectomy ◽  
Age Range ◽  
Number Of Passes

Objectives Elderly acute ischemic stroke (AIS) patients (≥80 years) would have dismal clinical outcomes even after successful endovascular revascularization for large vessel occlusion (LVO) in the anterior circulation. We aimed to identify predictors of 30-day mortality after endovascular thrombectomy (EVT) in the elderly. Materials and Methods We included older patients who underwent EVT for AIS due to LVO within 6 h after stroke onset in the anterior circulation between 2017 and 2019. Patients due to posterior circulation stroke, with intracerebral hemorrhage (ICH) or pre-stroke modified Rankin Scale (mRS) score of 4 and 5 were excluded. The primary outcome was mortality within 30 days of EVT. The association between clinical, imaging, procedural, follow-up imaging and mortality were analyzed. Successful reperfusion was defined as modified Thrombolysis in Cerebral Infarction (mTICI) score of 2b or 3. Possible predictors of 30-day mortality were assessed by univariate and multivariable logistic regression. Results Total 238 AIS patients eligible for EVT were identified with 58 patients aged 80 years or more. 48 patients met inclusion criteria. Median age was 86 years (age range, 82–102 years). Successful reperfusion was achieved in 38 (79.2%) patients. The 30-day and 90-day mortality rate were 25% and 33.3%, respectively. The independent predictors of 30-day mortality were collateral scores <3 on mCTA (adjusted OR, 16.571; 95% CI, 1.041–263.868; p = 0.047) and number of passes (adjusted OR, 2.475; 95% CI, 1.047–5.847; p = 0.039). Conclusions Lower collateral scores on mCTA and higher number of passes in thrombectomy were independently predictive of 30-day mortality in the elderly.

Rescue of Neglect and Language Impairment After Stroke Thrombectomy

Stroke ◽  
2021 ◽  
Author(s):  
Shashvat M. Desai ◽  
Konark Malhotra ◽  
Guru Ramaiah ◽  
Daniel A. Tonetti ◽  
Waqas Haq ◽  
...  
Keyword(s):  
Clinical Outcomes ◽  
Language Impairment ◽  
Functional Independence ◽  
National Institutes Of Health ◽  
Large Vessel ◽  
Lower Mortality ◽  
Large Vessel Occlusion ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
The Impact

BACKGROUND AND PURPOSE: Although National Institutes of Health Stroke Scale scores provide an objective measure of clinical deficits, data regarding the impact of neglect or language impairment on outcomes after mechanical thrombectomy (MT) is lacking. We assessed the frequency of neglect and language impairment, rate of their rescue by MT, and impact of rescue on clinical outcomes. Methods: This is a retrospective analysis of a prospectively collected database from a comprehensive stroke center. We assessed right (RHS) and left hemispheric strokes (LHS) patients with anterior circulation large vessel occlusion undergoing MT to assess the impact of neglect and language impairment on clinical outcomes, respectively. Safety and efficacy outcomes were compared between patients with and without rescue of neglect or language impairment. Results: Among 324 RHS and 210 LHS patients, 71% of patients presented with neglect whereas 93% of patients had language impairment, respectively. Mean age was 71±15, 56% were females, and median National Institutes of Health Stroke Scale score was 16 (12–20). At 24 hours, MT resulted in rescue of neglect in 31% of RHS and rescue of language impairment in 23% of LHS patients, respectively. RHS patients with rescue of neglect (56% versus 34%, P <0.001) and LHS patients with rescue of language impairment (64 % versus 25%, P <0.01) were observed to have a higher rate of functional independence compared to patients without rescue. After adjusting for confounders including 24-hour National Institutes of Health Stroke Scale, rescue of neglect among RHS patients was associated with functional independence ( P =0.01) and lower mortality ( P =0.01). Similarly, rescue of language impairment among LHS patients was associated with functional independence ( P =0.02) and lower mortality ( P =0.001). ConclusionS: Majority of LHS-anterior circulation large vessel occlusion and of RHS-anterior circulation large vessel occlusion patients present with the impairment of language and neglect, respectively. In comparison to 24-hour National Institutes of Health Stroke Scale, rescue of these deficits by MT is an independent and a better predictor of functional independence and lower mortality.

'Drip-and-ship' intravenous thrombolysis and outcomes for large vessel occlusion thrombectomy candidates in a hub-and-spoke telestroke model

2021 ◽  
pp. neurintsurg-2021-017819
Author(s):  
Robert W Regenhardt ◽  
Joseph A Rosenthal ◽  
Amine Awad ◽  
Juan Carlos Martinez-Gutierrez ◽  
Neal M Nolan ◽  
...  
Keyword(s):  
Intravenous Thrombolysis ◽  
Functional Independence ◽  
Large Vessel ◽  
Large Vessel Occlusion ◽  
Vessel Occlusion ◽  
Hub And Spoke ◽  
Endovascular Thrombectomy ◽  
Increased Risk ◽  
Intravenous Alteplase ◽  
Model Versus

BackgroundRandomized trials have not demonstrated benefit from intravenous thrombolysis among patients undergoing endovascular thrombectomy (EVT). However, these trials included primarily patients presenting directly to an EVT capable hub center. We sought to study outcomes for EVT candidates who presented to spoke hospitals and were subsequently transferred for EVT consideration, comparing those administered alteplase at spokes (i.e., ‘drip-and-ship’ model) versus those not.MethodsConsecutive EVT candidates presenting to 25 spokes from 2018 to 2020 with pre-transfer CT angiography defined emergent large vessel occlusion and Alberta Stroke Program CT score ≥6 were identified from a prospectively maintained Telestroke database. Outcomes of interest included adequate reperfusion (Thrombolysis in Cerebral Infarction (TICI) 2b–3), intracerebral hemorrhage (ICH), discharge functional independence (modified Rankin Scale (mRS) ≤2), and 90 day functional independence.ResultsAmong 258 patients, median age was 70 years (IQR 60–81), median National Institutes of Health Stroke Scale (NIHSS) score was 13 (6-19), and 50% were women. Ninety-eight (38%) were treated with alteplase at spokes and 113 (44%) underwent EVT at the hub. Spoke alteplase use independently increased the odds of discharge mRS ≤2 (adjusted OR 2.43, 95% CI 1.08 to 5.46, p=0.03) and 90 day mRS ≤2 (adjusted OR 3.45, 95% CI 1.65 to 7.22, p=0.001), even when controlling for last known well, NIHSS, and EVT; it was not associated with an increased risk of ICH (OR 1.04, 95% CI 0.39 to 2.78, p=0.94), and there was a trend toward association with greater TICI 2b–3 (OR 3.59, 95% CI 0.94 to 13.70, p=0.06).ConclusionsIntravenous alteplase at spoke hospitals may improve discharge and 90 day mRS and should not be withheld from EVT eligible patients who first present at alteplase capable spoke hospitals that do not perform EVT. Additional studies are warranted to confirm and further explore these benefits.

scholarly journals Thrombectomy 6-24 hours after stroke in trial ineligible patients

2018 ◽  
Vol 10 (11) ◽  
pp. 1033-1037 ◽  
Author(s):  
Shashvat M Desai ◽  
Marcelo Rocha ◽  
Bradley J Molyneaux ◽  
Matthew Starr ◽  
Cynthia L Kenmuir ◽  
...  
Keyword(s):  
Time Window ◽  
Functional Independence ◽  
Large Vessel ◽  
Large Vessel Occlusion ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
Off Label ◽  
Symptomatic Intracranial Hemorrhage ◽  
Comprehensive Stroke Center ◽  
Stroke Center

Background and purposeThe DAWN and DEFUSE-3 trials demonstrated the benefit of endovascular thrombectomy (ET) in late-presenting acute ischemic strokes due to anterior circulation large vessel occlusion (ACLVO). Strict criteria were employed for patient selection. We sought to evaluate the characteristics and outcomes of patients treated outside these trials.MethodsA retrospective review of acute ischemic stroke admissions to a single comprehensive stroke center was performed during the DAWN trial enrollment period (November 2014 to February 2017) to identify all patients presenting in the 6–24 hour time window. These patients were further investigated for trial eligibility, baseline characteristics, treatment, and outcomes.ResultsApproximately 70% (n=142) of the 204 patients presenting 6–24 hours after last known well with NIH Stroke Scale score ≥6 and harboring an ACLVO are DAWN and/or DEFUSE-3 ineligible, most commonly due to large infarct burden (38%). 26% (n=37) of trial ineligible patients with large vessel occlusion strokes received off-label ET and 30% of them achieved functional independence (modified Rankin Scale 0–2) at 90 days. Rates of symptomatic intracranial hemorrhage and mortality were 8% and 24%, respectivelyConclusionTrial ineligible patients with large vessel occlusion strokes receiving off-label ET achieved outcomes comparable to DAWN and DEFUSE-3 eligible patients. Patients aged <80 years are most likely to benefit from ET in this subgroup. These data indicate a larger population of patients who can potentially benefit from ET in the expanded time window if more permissive criteria are applied.

scholarly journals Mechanical Thrombectomy of Large Vessel Occlusions in COVID-19 Related Stroke: Endovascular and Clinical Outcomes

2020 ◽  
Author(s):  
Anas S. Al-Smadi ◽  
Srishti Abrol ◽  
Ali Luqman ◽  
Parthasarathi Chamiraju ◽  
Hani Abujudeh
Keyword(s):  
Clinical Outcomes ◽  
Mechanical Thrombectomy ◽  
Case Series ◽  
Large Vessel ◽  
Large Vessel Occlusion ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
Endovascular Thrombectomy ◽  
Ischemic Disease ◽  
Patient Demographics

Abstract Background and PurposeStroke is a drastic complication and a poor prognostic marker of COVID-19 disease which emphasizes the importance of early identification and management of this complication. In this case series, we describe our experience of mechanical thrombectomy of large vessel occlusions (LVO) in patients with COVID-19.MethodsWe performed a retrospective study of a series of confirmed COVID-19 patients who underwent endovascular thrombectomy for acute cerebrovascular ischemic disease with large vessel occlusion. Patient demographics, presentations, lab values, angiographic and clinical outcomes were also reviewed.ResultsThree COVID-19 patients with large vessel occlusion who underwent endovascular thrombectomy were identified in our multi-center institution. Two patients had respiratory symptoms prior presentation and one patient presented initially with clinical deficits. Two patients had anterior circulation occlusion in the middle cerebral artery territory vs one had posterior circulation occlusion in the basilar artery. There was good angiographic outcome post thrombectomy in all patients, however poor clinical outcomes noted with no significant improvement in neurological manifestations in comparison with baseline at presentation. All patients developed critically severe symptoms during hospitalization requiring intubation and one patient died of COVID-19 related respiratory failure.ConclusionIn this small case series, we noted worse clinical outcomes in COVID-19 related LVO stroke despite effective thrombectomy, which may be related to the underlying COVID-19 disease and/or the nature of clot in these patients.

White Matter Hyperintensity Burden and Collateral Circulation in Large Vessel Occlusion Stroke

Stroke ◽  
2021 ◽  
Author(s):  
Imad Derraz ◽  
Mohamed Abdelrady ◽  
Nicolas Gaillard ◽  
Raed Ahmed ◽  
Federico Cagnazzo ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
White Matter ◽  
Acute Ischemic Stroke ◽  
Collateral Circulation ◽  
Large Vessel ◽  
White Matter Hyperintensity ◽  
Large Vessel Occlusion ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
Endovascular Thrombectomy

Background and Purpose: White matter hyperintensity (WMH), a marker of chronic cerebral small vessel disease, might impact the recruitment of leptomeningeal collaterals. We aimed to assess whether the WMH burden is associated with collateral circulation in patients treated by endovascular thrombectomy for anterior circulation acute ischemic stroke. Methods: Consecutive acute ischemic stroke due to anterior circulation large vessel occlusion and treated with endovascular thrombectomy from January 2015 to December 2017 were included. WMH volumes (periventricular, deep, and total) were assessed by a semiautomated volumetric analysis on fluid-attenuated inversion recovery–magnetic resonance imaging. Collateral status was graded on baseline catheter angiography using the American Society of Interventional and Therapeutic Neuroradiology/Society of Interventional Radiology grading system (good when ≥3). We investigated associations of WMH burden with collateral status. Results: A total of 302 patients were included (mean age, 69.1±19.4 years; women, 55.6%). Poor collaterals were observed in 49.3% of patients. Median total WMH volume was 3.76 cm 3 (interquartile range, 1.09–11.81 cm 3 ). The regression analyses showed no apparent relationship between WMH burden and the collateral status measured at baseline angiography (adjusted odds ratio, 0.987 [95% CI, 0.971–1.003]; P =0.12). Conclusions: WMH burden exhibits no overt association with collaterals in large vessel occlusive stroke.

scholarly journals Comparison of Prior Bridging Intravenous Thrombolysis With Direct Endovascular Thrombectomy for Anterior Circulation Large Vessel Occlusion: Systematic Review and Meta-Analysis

2021 ◽  
Vol 12 ◽  
Author(s):  
Zhao-Ji Chen ◽  
Xiao-Fang Li ◽  
Cheng-Yu Liang ◽  
Lei Cui ◽  
Li-Qing Yang ◽  
...  
Keyword(s):  
Meta Analysis ◽  
Intravenous Thrombolysis ◽  
Functional Independence ◽  
Large Vessel Occlusion ◽  
Bridging Therapy ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
Endovascular Thrombectomy ◽  
Significant Difference

Background: Whether bridging treatment combining intravenous thrombolysis (IVT) and endovascular thrombectomy (EVT) is superior to direct EVT alone for emergent large vessel occlusion (LVO) in the anterior circulation is unknown. A systematic review and a meta-analysis were performed to investigate and assess the effect and safety of bridging treatment vs. direct EVT in patients with LVO in the anterior circulation.Methods: PubMed, EMBASE, and the Cochrane library were searched to assess the effect and safety of bridging treatment and direct EVT in LVO. Functional independence, mortality, asymptomatic and symptomatic intracranial hemorrhage (aICH and sICH, respectively), and successful recanalization were evaluated. The risk ratio and the 95% CI were analyzed.Results: Among the eight studies included, there was no significant difference in the long-term functional independence (OR = 1.008, 95% CI = 0.845–1.204, P = 0.926), mortality (OR = 1.060, 95% CI = 0.840–1.336, P = 0.624), recanalization rate (OR = 1.015, 95% CI = 0.793–1.300, P = 0.905), and the incidence of sICH (OR = 1.320, 95% CI = 0.931–1.870, P = 0.119) between bridging therapy and direct EVT. After adjusting for confounding factors, bridging therapy showed a lower recanalization rate (effect size or ES = −0.377, 95% CI = −0.684 to −0.070, P = 0.016), but there was no significant difference in the long-term functional independence (ES = 0.057, 95% CI = −0.177 to 0.291, P = 0.634), mortality (ES = 0.693, 95% CI = −0.133 to 1.519, P = 0.100), and incidence of sICH (ES = −0.051, 95% CI = −0.687 to 0.585, P = 0.875) compared with direct EVT. Meanwhile, in the subgroup analysis of RCT, no significant difference was found in the long-term functional independence (OR = 0.927, 95% CI = 0.727–1.182, P = 0.539), recanalization rate (OR = 1.331, 95% CI = 0.948–1.867, P = 0.099), mortality (OR = 1.072, 95% CI = 0.776–1.481, P = 0.673), and sICH incidence (OR = 1.383, 95% CI = 0.806–2.374, P = 0.977) between patients receiving bridging therapy and those receiving direct DVT.Conclusion: For stroke patients with acute anterior circulation occlusion and who are eligible for intravenous thrombolysis, there is no significant difference in the clinical effect between direct EVT and bridging therapy, which needs to be verified by more randomized controlled trials.

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