Trends in mortality following mechanical thrombectomy for the treatment of acute ischemic stroke in the USA

2015 ◽  
Vol 8 (5) ◽  
pp. 457-460 ◽  
Author(s):  
Mark R Villwock ◽  
David J Padalino ◽  
Eric M Deshaies
Keyword(s):  
Ischemic Stroke ◽  
Acute Ischemic Stroke ◽  
Mechanical Thrombectomy ◽  
Temporal Trends ◽  
Rank Correlation ◽  
Binary Logistic Regression ◽  
Recombinant Tissue Plasminogen Activator ◽  
Therapeutic Benefit ◽  
Primary Diagnosis ◽  
Inhospital Mortality

Background and purposeMechanical thrombectomy (MT) for the treatment of acute ischemic stroke has been growing in popularity while the therapeutic benefit of MT has been increasingly debated. Our objective was to examine national trends in mortality following MT.MethodsWe analyzed the National Inpatient Sample (2012) and the Nationwide Inpatient Sample (2008–2011) for patients with a primary diagnosis of acute ischemic stroke that received MT. Temporal trends in mortality were examined using Spearman's rank correlation. To account for confounding factors, mortality was further analyzed in binary logistic regression.ResultsHospitals performing MT comprised 8% of all hospitals treating ischemic stroke. The percentage of stroke cases treated with MT increased from 0.6% of cases in 2008 to 1.1% in 2012, totaling 16 307 MT cases in a 5 year period. Inhospital mortality decreased over the study period from 25.4% in 2008 to 16.1% in 2012 (r=−0.081, p<0.001). This finding was supported by regression analysis as each incremental year reduced the odds of mortality by 20% (OR=0.832, p<0.001). Administration of recombinant tissue plasminogen activator was associated with a decrease in the odds of mortality (OR=0.805, p<0.001).ConclusionsUtilization of MT represents a small percentage of stroke cases, although the trend is increasing. Mortality following MT has been showing a steady decline over the past 5 years. This may be a result of a learning curve, improved patient selection, and/or device improvements. Randomized trials remain essential to evaluate the potential benefit of endovascular devices and identify the most appropriate patients.

scholarly journals Efficacy of Mechanical Thrombectomy using Penumbra ACETM Aspiration Catheter Compared to Stent Retriever SolitaireTM FR in Patients with Acute Ischemic Stroke

2021 ◽  
Vol 11 (4) ◽  
pp. 504
Author(s):  
Dalibor Sila ◽  
Markus Lenski ◽  
Maria Vojtková ◽  
Mustafa Elgharbawy ◽  
František Charvát ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Clinical Outcome ◽  
Acute Ischemic Stroke ◽  
Clinical Outcomes ◽  
Mechanical Thrombectomy ◽  
Binary Logistic Regression ◽  
Stent Retriever ◽  
Good Clinical Outcome ◽  
Significant Difference ◽  
Aspiration Technique

Background: Mechanical thrombectomy is the standard therapy in patients with acute ischemic stroke (AIS). The primary aim of our study was to compare the procedural efficacy of the direct aspiration technique, using Penumbra ACETM aspiration catheter, and the stent retriever technique, with a SolitaireTM FR stent. Secondarily, we investigated treatment-dependent and treatment-independent factors that predict a good clinical outcome. Methods: We analyzed our series of mechanical thrombectomies using a SolitaireTM FR stent and a Penumbra ACETM catheter. The clinical and radiographic data of 76 patients were retrospectively reviewed. Using binary logistic regression, we looked for the predictors of a good clinical outcome. Results: In the Penumbra ACETM group we achieved significantly higher rates of complete vessel recanalization with lower device passage counts, shorter recanalization times, shorter procedure times and shorter fluoroscopy times (p < 0.001) compared to the SolitaireTM FR group. We observed no significant difference in good clinical outcomes (52.4% vs. 56.4%, p = 0.756). Predictors of a good clinical outcome were lower initial NIHSS scores, pial arterial collateralization on admission head CT angiography scan, shorter recanalization times and device passage counts. Conclusions: The aspiration technique using Penumbra ACETM catheter is comparable to the stent retriever technique with SolitaireTM FR regarding clinical outcomes.

Safety and efficacy of mechanical thrombectomy in acute ischemic stroke of anticoagulated patients

2018 ◽  
Vol 10 (12) ◽  
pp. e29-e29 ◽  
Author(s):  
Vincent L’Allinec ◽  
Marielle Ernst ◽  
Mathieu Sevin-Allouet ◽  
Nathalie Testard ◽  
Béatrice Delasalle-Guyomarch ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Acute Ischemic Stroke ◽  
Intracranial Hemorrhage ◽  
Mechanical Thrombectomy ◽  
Univariate Analysis ◽  
Recombinant Tissue Plasminogen Activator ◽  
Reperfusion Therapy ◽  
Safety And Efficacy ◽  
Risk Of Death ◽  
Anticoagulated Patients

BackgroundAnticoagulated patients (APs) are currently excluded from acute ischemic stroke reperfusion therapy with intravenous recombinant tissue plasminogen activator (IV-rtPA); however, these patients could benefit from mechanical thrombectomy (MT). Evidence for MT in this condition remains scarce. The aim of this study was to analyze the safety and efficacy of MT in APs.MethodsWe analyzed three patient groups from two prospective registries: APs with MT (AP-MT group), non-anticoagulated patients treated with MT (NAP-MT group), and non-anticoagulated patients treated with IV-rtPA and MT (NAP-IVTMT group). Univariate and multivariate logistic regression were used to evaluate treatment efficacy with modified Rankin Scale (mRS) ≤2 and safety (radiologic intracranial hemorrhage (rICH), symptomatic intracranial hemorrhage (sICH) and death rate at 3 months) between groups.Results333 patients were included in the study, with 44 (12%) in the AP-MT group, 105 (31%) in the NAP-MT group, and 188 (57%) in the NAP-IVTMT group. Univariate analysis showed that the AP-MT group was older (P<0.001), more often had atrial fibrillation (P<0001), and had a higher ASPECTS (P<0.006 and P<0.002) compared with the NAP-MT group and NAP-IVTMT groups, respectively. Multivariate analysis showed that the AP-MT group had a lower risk of rICH (OR 2.77, 95% CI 1.01 to 7.61, P=0.05) but a higher risk of death at 3 months (OR 0.26, 95% CI 0.09 to 0.76, P=0.01) compared with the NAP-IVTMT group. No difference was found between the AP-MT and NAP-MT groups.ConclusionsWith regard to intracranial bleeding and functional outcome at 3 months, MT in APs seems as safe and efficient as in NAPs. However, there is a higher risk of death at 3 months in the AP-MT group compared with the NAP-IVTMT group.

Multicenter clinical experience in over 125 patients with the Penumbra Separator 3D for mechanical thrombectomy in acute ischemic stroke

2014 ◽  
Vol 8 (1) ◽  
pp. 8-12 ◽  
Author(s):  
Daniel Behme ◽  
Annika Kowoll ◽  
Anastasios Mpotsaris ◽  
Claudia Hader ◽  
Lukas Hechelhammer ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Acute Ischemic Stroke ◽  
Mechanical Thrombectomy ◽  
Three Dimensional ◽  
Recombinant Tissue Plasminogen Activator ◽  
Functional Independence ◽  
High Rate ◽  
Arterial Lesions ◽  
Symptomatic Intracranial Hemorrhage ◽  
Mean Time

BackgroundThe aim of this study was to assess reperfusion and clinical outcome of treatment with the self-expanding retrievable Separator 3D in revascularization of acute ischemic stroke. The three-dimensional (3D) device secures thrombus with direct aspiration and supports debulking of the clot.MethodsAt two centers, 129 consecutive stroke patients with National Institutes of Health Stroke Scale (NIHSS) scores ≥5 were treated with mechanical thrombectomy using the Separator 3D as a component of the Penumbra System within 8 h of symptom onset; modified Treatment in Cerebral Infarction (mTICI) revascularization scores, NIHSS score on admission and discharge, mortality rates, and modified Rankin Scale (mRS) outcomes at 90 days were evaluated.ResultsA total of 129 vessels in 129 patients were treated. Occlusions were located in the middle cerebral artery (MCA, 48%), internal carotid artery (ICA, 33%), cervical ICA–MCA (3%), and vertebrobasilar arteries (16%). Intravenous thrombolytic therapy with recombinant tissue plasminogen activator was given to 78% of patients. Median NIHSS was 15 prior to treatment. Reperfusion to mTICI 2b or 3 was successful in 96/129 (74%) target arterial lesions, with more than half of cases (51%) achieving mTICI 3. The mean time from arterial puncture to revascularization was 65 min. At 90 days, the symptomatic intracranial hemorrhage rate was 4%, all cause mortality was 32%, and 43/99 patients (43%) achieved functional independence with an mRS score of ≤2.ConclusionsThe results suggest that the Separator 3D enables safe and effective revascularization of occluded large arteries in acute stroke intervention, leading to a high rate of functional independence at 90 days.

Abstract 1122‐000140: National Trends in Readmission after Mechanical Thrombectomy in Acute Ischemic Stroke

2021 ◽  
Vol 1 (S1) ◽  
Author(s):  
Liqi Shu ◽  
Diogo Haussen ◽  
Radmehr Torabi ◽  
Mahesh Jayaraman ◽  
Ryan McTaggart ◽  
...  
Keyword(s):  
Heart Failure ◽  
Ischemic Stroke ◽  
Cerebral Infarction ◽  
Acute Ischemic Stroke ◽  
Mechanical Thrombectomy ◽  
Absolute Risk ◽  
Temporal Trends ◽  
Vessel Occlusion ◽  
Cardiac Dysrhythmias ◽  
The Us

Introduction : Mechanical thrombectomy (MT) has become the standard of care in patients with large vessel occlusion after trials have demonstrated (MT) improved outcomes in acute ischemic stroke (AIS) as compared to medical therapy. Despite leading to high reperfusion rates, MT patients are at high risk for recurrent ischemic events and complications of stroke. We performed an analysis to evaluate temporal trends in readmission of post‐MT among stroke patients over a three‐year period. Methods : From the Healthcare Cost and Utilization Project Nationwide Readmission Database, we obtained in‐hospital adult patient data with a principal diagnosis of AIS in the US from 2016 to 2018. AIS, MT, thrombolysis treatment and other diagnosis were identified based on International Classification of Diseases, 10th Revision, Clinical Modification codes. We compared the trend of 30‐day readmission in AIS patients who received MT, thrombolysis only and neither treatment with linear regression. Using Clinical Classifications Software Refined tool, we categorized the readmission principal diagnoses of patients underwent MT into groups. All analyses were performed in Stata/SE 15.1 software. Results : Of the 1,271,958 patients admitted from throughout the US with AIS within the study period, 1,130,737 (88.90%) did not receive thrombolysis nor MT, 100,737 (7.92%) received thrombolysis only, and 40,849 (3.21%) underwent MT with or without thrombolysis. The endovascular treatment rate doubled from 2016 (2.40%) to 2018 (4.11%, p < 0.0001). From 2016 to 2018, the readmission rate has significantly decreased from 15.00% to 12.04% (absolute risk reduction (ARR) 2.96%, p = 0.0001) in patients who underwent MT, decreased from 10.46% to 9.51% (ARR 0.95%, p = 0.0097) in patients who received thrombolysis only, and decreased from 11.96% to 11.56% (ARR 0.40%, p = 0.0130) in patients received neither therapy. Among all the patients who underwent MT during the three‐year period, sepsis (1.88%), cerebral infarction (1.59%), sequelae of cerebral infarction (0.82%), cardiac dysrhythmias (0.67%) and heart failure (0.49%) were the most common principal readmission diagnoses. From 2016 to 2018, there were significant decreases in rate of readmissions with septic infection (p = 0.0001), sequelae of cerebral infarction (p < 0.0001), and heart failure (p = 0.0123), but no significant change in cerebral infarction (p = 0.4853) and cardiac dysrhythmias (p = 0.1834). Conclusions : Over three years, the rate of readmissions in AIS patients receiving MT significantly declined, particularly in rate of readmissions in sepsis, sequelae of cerebral infarction, and heart failure. Improved reperfusion rate and better outcomes may explain the reduction in post‐MT complication rate, which needs further studies.

Abstract WP29: Temporal Trends of Intravenous Recombinant Tissue Plasminogen Activator Infusion and Endovascular Treatment for Acute Ischemic Stroke in Japan: J-ASPECT Study

Stroke ◽  
2017 ◽  
Vol 48 (suppl_1) ◽  
Author(s):  
Ai Kurogi ◽  
Daisuke Onozuka ◽  
Akihito Hagihara ◽  
Akiko Kada ◽  
Kunihiro Nishimura ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Hospital Mortality ◽  
Medical Treatment ◽  
Endovascular Treatment ◽  
Acute Ischemic Stroke ◽  
Temporal Trends ◽  
Recombinant Tissue Plasminogen Activator ◽  
Treatment Groups ◽  
Poor Outcome ◽  
Using Data

Objective: This study aimed to investigate recent nationwide trends in the epidemiology of acute ischemic stroke (AIS) in Japan. Methods: We analyzed 328,147 acute ischemic stroke patients in 350 certified training hospitals in Japan using data obtained from the Japanese Diagnosis Procedure Combination Database. Data between the period April 1, 2010 and May 31, 2014 were used. We divided patients into three treatment groups: medical treatment only (group M), intravenous t-PA infusion only (group IVT), and endovascular treatment (group ET). Outcome was assessed by in-hospital mortality and modified Rankin Scale (mRS) score at discharge, and poor outcome was defined as a mRS score of 3-6. Results: The patient proportion in groups M, IVT, and ET changed from 94.3%, 3.2%, and 1.6% in 2010 to 90.9%, 4.3%, and 3.7% in 2014, respectively (P<0.0001). In all AIS patients, in-hospital mortality significantly decreased from 6.5% in 2010 to 5.3% in 2014 (p<0.0001) and poor outcome at discharge also decreased from 42.7% in 2010 to 41.6% in 2014 (p<0.0001). In groups M and IVT, in-hospital mortality significantly decreased from 6.3% and 12.0% in 2010 to 5.0% and 9.1% in 2014, respectively (p<0.0001), and poor outcome at discharge also decreased from 42.1% and 60.7% in 2010 to 40.7% (P<0.0001) and 55.4% (p<0.005) in 2014, respectively. In contrast, in group ET, both in-hospital mortality (from 11% in 2010 to 9.5% in 2014) and poor outcome at discharge (from 53.4% in 2010 to 54.0% in 2014) were not significantly different between the two time points. Conclusion: In Japan, during the 5-year period before the guidelines concerning proper use of ET for AIS were revised in 2015, a significant improvement in in-hospital mortality and functional outcomes of AIS patients undergoing medical treatment and intravenous rt-PA infusion was observed. This was probably due to a gradual increase in the proportion of patients undergoing IVT; the outcomes of ET, however, remained the same.

National trends in outcomes of ischemic stroke and prognostic influence of stroke center capability in Japan, 2010–2016

2019 ◽  
pp. 174749301988452 ◽  
Author(s):  
Akiko Kada ◽  
Kuniaki Ogasawara ◽  
Takanari Kitazono ◽  
Kunihiro Nishimura ◽  
Nobuyuki Sakai ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Hospital Mortality ◽  
Acute Ischemic Stroke ◽  
Mechanical Thrombectomy ◽  
Temporal Trends ◽  
Stroke Severity ◽  
Stroke Patients ◽  
Poor Outcomes ◽  
Comprehensive Stroke Center ◽  
Stroke Center

Background Limited national-level information on temporal trends in comprehensive stroke center capabilities and their effects on acute ischemic stroke patients exists. Aims To examine trends in in-hospital outcomes of acute ischemic stroke patients and the prognostic influence of temporal changes in comprehensive stroke center capabilities in Japan. Methods This retrospective study used the J-ASPECT Diagnosis Procedure Combination database and identified 372,978 acute ischemic stroke patients hospitalized in 650 institutions between 2010 and 2016. Temporal trends in patient outcomes and recombinant tissue plasminogen activator (rt-PA) and mechanical thrombectomy usage were examined. Facility comprehensive stroke center capabilities were assessed using a validated scoring system (comprehensive stroke center score: 1–25 points) in 2010 and 2014. The prognostic influence of temporal comprehensive stroke center score changes on in-hospital mortality and poor outcomes (modified Rankin Scale: 3–6) at discharge were examined using hierarchical logistic regression models. Results Over time, stroke severity at admission decreased, whereas median age, sex ratio, and comorbidities remained stable. The median comprehensive stroke center score increased from 16 to 17 points. After adjusting for age, sex, comorbidities, consciousness level, and facility comprehensive stroke center score, proportion of in-hospital mortality and poor outcomes at discharge decreased (from 7.6% to 5.0%, and from 48.7% to 43.1%, respectively). The preceding comprehensive stroke center score increase (in 2010–2014) was independently associated with reduced in-hospital mortality and poor outcomes, and increased rt-PA and mechanical thrombectomy use (odds ratio (95% confidence interval): 0.97 (0.95–0.99), 0.97 (0.95–0.998), 1.07 (1.04–1.10), and 1.21 (1.14–1.28), respectively). Conclusions This nationwide study revealed six-year trends in better patient outcomes and increased use of rt-PA and mechanical thrombectomy in acute ischemic stroke. In addition to lesser stroke severity, preceding improvement of comprehensive stroke center capabilities was an independent factor associated with such trends, suggesting importance of comprehensive stroke center capabilities as a prognostic indicator of acute stroke care.

Safety and Outcome of Intravenous Recombinant Tissue Plasminogen Activator (rt-PA) in the Nursing Home Residents Following an Acute Ischemic Stroke

2021 ◽  
pp. 251660852110162
Author(s):  
Elanagan Nagarajan ◽  
Lakshmi P. Digala ◽  
Anudeep Yelam ◽  
Pradeep C. Bollu ◽  
Premkumar C. Nattanmai
Keyword(s):  
Ischemic Stroke ◽  
Nursing Home ◽  
Acute Ischemic Stroke ◽  
Plasminogen Activator ◽  
Tissue Plasminogen Activator ◽  
Mechanical Thrombectomy ◽  
Recombinant Tissue Plasminogen Activator ◽  
Care Hospital ◽  
Tissue Plasminogen

Background and Purpose: Intravenous recombinant tissue plasminogen activator (IV rt-PA) is an effective treatment of acute ischemic stroke. The safety and efficacy of IV rt-PA were extensively studied in adults, including both octogenarians and nonagenarians.This study provides safety outcome of exclusive nursing home (NH) residents (dependent on activities of daily living [ADLs]) , who received IV rt-PA. Not much literature or studies are available exclusively on the NH residents. Aim: To assess the safety and outcome of IV rt-PA in patients from NHs who were admitted to our university-based tertiary care hospital, using data from a prospective stroke registry. Methods: Our study is a retrospective review of patients living in nursing facilities, admitted to our neuroscience intensive care unit after receiving IV rt-PA, from January 2010 to June 2018. We reviewed the clinical symptoms, comorbid conditions, medications, diagnostic evaluation, complications, and functional outcomes. The functional outcome was assessed based on the modified Rankin Scale (mRS) at the time of discharge, and 1- and 3-month follow-up. Results: Twenty-eight NH residents (20 [71.4%] were female with a mean age of 80.96 +/− 12.43 years) were identified who had received IV rt-PA for symptoms of acute ischemic stroke. The median mRS on admission was 3, and all of them were dependent on ADL. Twenty-seven (96.5%) patients were treated within the window (≤3 h) for IV rt-PA. There were no IV rt-PA-related violations from both our hospital and outside hospital treatment protocols. The initial computed tomographic (CT) scan of 8 (28.5%) patients revealed evidence of infarction. CT angiogram of head and neck revealed an acute intracranial blood vessel occlusion in 13 (46.4%) patients, and asymptomatic stenosis of intracranial and extracranial blood vessels in 4 (14.2%) patients. Mechanical thrombectomy was attempted in 6 (21.4%) patients and among them, the procedure was unsuccessful in 2 (7.1%) patients due to severe stenosis. One (1/21; 16.6%) patient received an intra-arterial rt-PA, and 5 (5/6;83.3%) patients developed symptomatic intracranial hemorrhage within 24 h following the procedure. Families of 9/28 (32.1%) patients decided to withdraw care. The median mRS on 30 and 90 days follow-up was 4 (interquartile range: 3-6). Conclusion: In this population, mechanical thrombectomy has a high risk for hemorrhagic conversion. IV rt-PA treatment in the NH residents may not improve the outcome of ischemic stroke.

Implications of the use of mechanical thrombectomy on outcome in large vessel occlusion following the 2015 landmark trials

2020 ◽  
Vol 13 (1) ◽  
pp. 4-7
Author(s):  
Okkes Kuybu ◽  
Vijayakumar Javalkar ◽  
Abdallah Amireh ◽  
Arshpreet Kaur ◽  
Roger E Kelley ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Hospital Mortality ◽  
Acute Ischemic Stroke ◽  
Mechanical Thrombectomy ◽  
Intravenous Thrombolysis ◽  
Binary Logistic Regression ◽  
Standard Of Care ◽  
Vessel Occlusion ◽  
Stroke Treatment ◽  
Before And After

BackgroundThe effectiveness of mechanical thrombectomy (MT) was demonstrated in five landmark trials published in2015.Mechanical thrombectomy is now standard of care for acute ischemic stroke and has been growing in popularity after publication of landmark trials.ObjectiveTo analyze outcomes and trends of the use of MT and intravenous thrombolysis (IVT) in patients with acute ischemic stroke in US hospitals before and after publication of these trials.MethodsPatients discharged with a diagnosis of ischemic stroke between 2012 to 2017 were diagnosed using ICD codes from the National Inpatient Sample. Thereafter, patients given acute stroke treatment were identified using the corresponding procedure codes for IVT and MT. The primary clinical outcomes of in-hospital mortality and disability were then compared between two time periods: 2012–2014 (pre-landmark trials) and 2015–2017 (post-landmark trials). Binary logistic regression and Χ2 tests were used for statistical analysis.ResultsA total of 57 675 patients (median age 68.9 years (range 18-90), 50.1% female) were identified with acute procedures. Of these patients, 57.6% were from the post-landmark trials time period. Despite an increased number of cases, the rate of IVT decreased from 84.3% to 75.9% and the rate of IVT+MT decreased from 7.1% to 6.3%. After publication of the pivotal trials in 2015, the rates of MT increased from 8.7% to 17.8%. Significant reductions of in-hospital mortality (7.1% vs 8.7%, p<0.001) and disability (64% vs 66.2%, p<0.001) were noted.ConclusionThe analysis showed a significant increase in the proportion of patients receiving MT after 2015. This has translated into reduction of in-hospital mortality and improvement in disability.

scholarly journals Current treatment of Acute Ischemic Stroke in Vojvodina

2017 ◽  
Vol 70 (11-12) ◽  
pp. 459-464 ◽  
Author(s):  
Zeljko Zivanovic ◽  
Aleksandra Lucic ◽  
Biljana Radovanovic ◽  
Svetlana Ruzicka-Kaloci ◽  
Mirjana Jovicevic ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Acute Ischemic Stroke ◽  
Mechanical Thrombectomy ◽  
Intravenous Thrombolysis ◽  
Recombinant Tissue Plasminogen Activator ◽  
Large Vessel ◽  
Therapeutic Modality ◽  
Large Vessel Occlusion ◽  
Vessel Occlusion ◽  
Mortality And Morbidity

Intravenous Thrombolysis in Acute Ischemic Stroke. Acute ischemic stroke is a major cause of mortality and morbidity in the world. Intravenous thrombolysis with recombinant tissue plasminogen activator remains the standard treatment for acute ischemic stroke for any patient presenting within 4.5 hours from symptom onset. However, it is more effective and safe when treatment starts early. This therapy for acute ischemic stroke has been administered in Vojvodina since 2008. Various factors influence the outcome after intravenous thrombolysis. Timely recanalization and reperfusion is associated with better clinical outcomes. Mechanical Thrombectomy - a New Therapeutic Modality for the Treatment of Acute Ischemic Stroke. Nevertheless, the rate of recanalization and favorable outcomes for patients with acute ischemic stroke due to large vessel occlusion are low after intravenous thrombolysis. In such patients mechanical thrombectomy has demonstrated significantly higher rates of recanalization and improved outcomes compared with intravenous thrombolysis alone. This endovascular reperfusion therapy began to be implemented in Vojvodina in 2016. Conclusion. Intravenous thrombolysis continues to play a key role in the treatment of all acute ischemic stroke patients, but mechanical thrombectomy should be the ?gold standard? in the cases with large vessel occlusion.

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