scholarly journals Carotid Artery Perivascular Adipose Tissue Density Relates to Recanalization and Clinical Outcome After Mechanical Thrombectomy

2021 ◽  
Vol 13 ◽  
Author(s):  
Jiaolei Jin ◽  
Rui Huang ◽  
Qiuyue Chen ◽  
Boxi Ke ◽  
Taotao Tao ◽  
...  
Keyword(s):  
Adipose Tissue ◽  
Carotid Artery ◽  
Functional Outcome ◽  
Mechanical Thrombectomy ◽  
Surrogate Marker ◽  
Independent Effect ◽  
Large Artery ◽  
Stroke Patients ◽  
Vessel Occlusion ◽  
Perivascular Adipose Tissue

Background: Perivascular adipose tissue (PVAT) imaging can be used in clinical practice as a surrogate marker of vascular disease. We aimed to analyze the association between the density of carotid artery PVAT and clinical features and outcomes in stroke patients treated with mechanical thrombectomy.Methods: A total of 183 consecutive patients treated with mechanical thrombectomy due to anterior circulation large vessel occlusion were retrospectively included from January 2016 to May 2021. The density of carotid artery PVAT was evaluated by preoperative computed tomography angiography. Successful arterial recanalization was defined as a modified Thrombolysis in Cerebral Infarction score of 2b-3 on the final angiographic examination. Poor functional outcome was defined as a modified Rankin Scale (mRS) score > 2 at 3 months after stroke. We assessed the independent effect of carotid artery PVAT density on revascularization, functional outcome, and mortality using logistic regression models adjusted for relevant confounders.Results: Patients with large artery atherosclerotic stroke have higher carotid artery PVAT density than patients with other stroke etiologies (–65.82 ± 12.96 vs. –75.77 ± 13.44, P < 0.001). Higher carotid artery PVAT density was associated with unsuccessful recanalization [adjusted odds ratio (AOR) (95% CI), 2.968 (1.292, 6.819), P = 0.010], and poor outcome [AOR (95% CI), 2.704 (1.610, 4.541), P < 0.001] and mortality [AOR (95% CI), 1.894 (1.040, 3.449), P = 0.037] at 3 months in stroke patients treated with thrombectomy.Conclusion: Higher carotid artery PVAT density before mechanical thrombectomy is an indicator of worse postprocedural arterial revascularization and a worse functional outcome in acute stroke patients.

Abstract TP207: Pre-stroke Dementia is Associated With Poor Functional Outcome After Acute Ischemic Stroke: The Fukuoka Stroke Registry

Stroke ◽  
2016 ◽  
Vol 47 (suppl_1) ◽  
Author(s):  
Yoshinobu Wakisaka ◽  
Ryu Matsuo ◽  
Junya Hata ◽  
Junya Kuroda ◽  
Tetsuro Ago ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Acute Ischemic Stroke ◽  
Functional Outcome ◽  
Stroke Severity ◽  
Large Artery ◽  
Stroke Patients ◽  
Poor Functional Outcome ◽  
Vessel Occlusion ◽  
Stroke Registry ◽  
Increased Risk

Introduction: With an aging population, an increased number of acute stroke patients with pre-stroke dementia is expected. Although both stroke and dementia are major cause of disability, the effect of pre-stroke dementia on functional outcome after stroke has been still on debate. Hypothesis: Pre-stroke dementia is associated with poor functional outcome after acute ischemic stroke. Methods: Of 9198 stroke patients registered in the Fukuoka Stroke Registry in Japan from June 2007 to May 2014, 3843 patients with first-ever ischemic stroke within 24h of onset, who had been functionally independent before the onset, were enrolled in this study (cardioembolism [n=926], large artery atherosclerosis [n=583], small vessel occlusion [n=1045], others [n=1289]). Pre-stroke dementia was defined as any type of dementia that was present prior to the stroke. For propensity score (PS)-matched analysis, 320 pairs of patients with and without pre-stroke dementia were also selected. Study outcome was poor functional outcome (modified Rankin Scale 3-6) at discharge. Results: In the total cohort, 330 (8.6%) had pre-stroke dementia. The age (80±8 vs 69±13, year, mean±SD, p<0.01), frequencies of female (46 vs 36, %, p<0.01) and cardioembolism (41 vs 23, %, p<0.01), and NIHSS score on admission (6 [3 - 12] vs 3 [1 - 6], median [interquartile], p<0.01) were higher in patients with pre-stroke dementia than those without the dementia. Poor functional outcome (62 vs 25, %, p<0.01) were more prevalent in patients with pre-stroke dementia than those without the dementia. Multivariable-adjusted analysis showed that pre-stroke dementia was significantly associated with increased risk for poor functional outcome (OR 2.3, 95% CI 1.7-3.2). There were no interactions between pre-stroke dementia and 4 variables (age, sex, stroke subtype, and initial stroke severity [NIHSS≤7 or NIHSS≥8]). In the PS-matched analysis, pre-stroke dementia was still associated with poor functional outcome (OR 4.3, 95%CI 2.1-8.8). Conclusions: Pre-stroke dementia was significantly associated with poor functional outcome at discharge in patients with acute ischemic stroke.

scholarly journals Direct carotid puncture for mechanical thrombectomy in acute ischemic stroke patients with prohibitive vascular access

2020 ◽  
pp. 1-11
Author(s):  
Branden J. Cord ◽  
Sreeja Kodali ◽  
Sumita Strander ◽  
Andrew Silverman ◽  
Anson Wang ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Carotid Artery ◽  
Acute Ischemic Stroke ◽  
Functional Outcome ◽  
Vascular Access ◽  
Mechanical Thrombectomy ◽  
Modified Rankin Scale ◽  
Stroke Patients ◽  
Anterior Circulation ◽  
Nihss Score

OBJECTIVEWhile the benefit of mechanical thrombectomy (MT) for patients with anterior circulation acute ischemic stroke with large-vessel occlusion (AIS-LVO) has been clearly established, difficult vascular access may make the intervention impossible or unduly prolonged. In this study, the authors evaluated safety as well as radiographic and functional outcomes in stroke patients treated with MT via direct carotid puncture (DCP) for prohibitive vascular access.METHODSThe authors retrospectively studied patients from their prospective AIS-LVO database who underwent attempted MT between 2015 and 2018. Patients with prohibitive vascular access were divided into two groups: 1) aborted MT (abMT) after failed transfemoral access and 2) attempted MT via DCP. Functional outcome was assessed using the modified Rankin Scale at 3 months. Associations with outcome were analyzed using ordinal logistic regression.RESULTSOf 352 consecutive patients with anterior circulation AIS-LVO who underwent attempted MT, 37 patients (10.5%) were deemed to have prohibitive vascular access (mean age [± SD] 82 ± 11 years, mean National Institutes of Health Stroke Scale [NIHSS] score 17 ± 5, with females accounting for 75% of the patients). There were 20 patients in the DCP group and 17 in the abMT group. The two groups were well matched for the known predictors of clinical outcome: age, sex, and admission NIHSS score. Direct carotid access was successfully obtained in 19 of 20 patients. Successful reperfusion (thrombolysis in cerebral infarction score 2b or 3) was achieved in 16 (84%) of 19 patients in the DCP group. Carotid access complications included an inability to catheterize the carotid artery in 1 patient, neck hematomas in 4 patients, non–flow-limiting common carotid artery (CCA) dissections in 2 patients, and a delayed, fatal carotid blowout in 1 patient. The neck hematomas and non–flow-limiting CCA dissections did not require any subsequent interventions and remained clinically silent. Compared with the abMT group, patients in the DCP group had smaller infarct volumes (11 vs 48 ml, p = 0.04), a greater reduction in NIHSS score (−4 vs +2.9, p = 0.03), and better functional outcome (shift analysis for 3-month modified Rankin Scale score: adjusted OR 5.2, 95% CI 1.02–24.5; p = 0.048).CONCLUSIONSDCP for emergency MT in patients with anterior circulation AIS-LVO and prohibitive vascular access is safe and effective and is associated with higher recanalization rates, smaller infarct volumes, and improved functional outcome compared with patients with abMT after failed transfemoral access. DCP should be considered in this patient population.

scholarly journals In-Hospital Intravenous Thrombolysis Offers No Benefit in Mechanical Thrombectomy in Optimized Tertiary Stroke Center Setting

2020 ◽  
Author(s):  
Juha-Pekka Pienimäki ◽  
Jyrki Ollikainen ◽  
Niko Sillanpää ◽  
Sara Protto
Keyword(s):  
Clinical Outcome ◽  
Acute Stroke ◽  
Mechanical Thrombectomy ◽  
Clinical Laboratory ◽  
Intravenous Thrombolysis ◽  
Stroke Patients ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
Ordinal Logistic Regression Analysis ◽  
Stroke Center

Abstract Purpose Mechanical thrombectomy (MT) is the first-line treatment in acute stroke patients presenting with large vessel occlusion (LVO). The efficacy of intravenous thrombolysis (IVT) prior to MT is being contested. The objective of this study was to evaluate the efficacy of MT without IVT in patients with no contraindications to IVT presenting directly to a tertiary stroke center with acute anterior circulation LVO. Materials and Methods We collected the data of 106 acute stroke patients who underwent MT in a single high-volume stroke center. Patients with anterior circulation LVO eligible for IVT and directly admitted to our institution who subsequently underwent MT were included. We recorded baseline clinical, laboratory, procedural, and imaging variables and technical, imaging, and clinical outcomes. The effect of intravenous thrombolysis on 3-month clinical outcome (mRS) was analyzed with univariate tests and binary and ordinal logistic regression analysis. Results Fifty-eight out of the 106 patients received IVT + MT. These patients had 2.6-fold higher odds of poorer clinical outcome in mRS shift analysis (p = 0.01) compared to MT-only patients who had excellent 3-month clinical outcome (mRS 0–1) three times more often (p = 0.009). There were no significant differences between the groups in process times, mTICI, or number of hemorrhagic complications. A trend of less distal embolization and higher number of device passes was observed among the MT-only patients. Conclusions MT without prior IVT was associated with an improved overall three-month clinical outcome in acute anterior circulation LVO patients.

Is a picture-perfect thrombectomy necessary in acute ischemic stroke?

2021 ◽  
pp. neurintsurg-2020-017193
Author(s):  
Ching-Jen Chen ◽  
Reda Chalhoub ◽  
Dale Ding ◽  
Jeyan S Kumar ◽  
Natasha Ironside ◽  
...  
Keyword(s):  
Primary Outcome ◽  
Mechanical Thrombectomy ◽  
National Institutes Of Health ◽  
Stroke Patients ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
Symptomatic Intracerebral Hemorrhage ◽  
History Of ◽  
Multivariable Models ◽  
Secondary Outcomes

BackgroundThe benefit of complete reperfusion (modified Thrombolysis in Cerebral Infarction (mTICI) 3) over near-complete reperfusion (≥90%, mTICI 2c) remains unclear. The goal of this study is to compare clinical outcomes between mechanical thrombectomy (MT)-treated stroke patients with mTICI 2c versus 3.MethodsThis is a retrospective study from the Stroke Thrombectomy and Aneurysm Registry (STAR) comprising 33 centers. Adults with anterior circulation arterial vessel occlusion who underwent MT yielding mTICI 2c or mTICI 3 reperfusion were included. Patients were categorized based on reperfusion grade achieved. Primary outcome was modified Rankin Scale (mRS) 0–2 at 90 days. Secondary outcomes were mRS scores at discharge and 90 days, National Institutes of Health Stroke Scale score at discharge, procedure-related complications, and symptomatic intracerebral hemorrhage.ResultsThe unmatched mTICI 2c and mTICI 3 cohorts comprised 519 and 1923 patients, respectively. There was no difference in primary (42.4% vs 45.1%; p=0.264) or secondary outcomes between the unmatched cohorts. Reperfusion status (mTICI 2c vs 3) was also not predictive of the primary outcome in non-imputed and imputed multivariable models. The matched cohorts each comprised 191 patients. Primary (39.8% vs 47.6%; p=0.122) and secondary outcomes were also similar between the matched cohorts, except the 90-day mRS which was lower in the matched mTICI 3 cohort (p=0.049). There were increased odds of the primary outcome with mTICI 3 in patients with baseline mRS ≥2 (36% vs 7.7%; p=0.011; pinteraction=0.014) and a history of stroke (42.3% vs 15.4%; p=0.027; pinteraction=0.041).ConclusionsComplete and near-complete reperfusion after MT appear to confer comparable outcomes in patients with acute 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.

Abstract P519: Higher Number of Thrombectomy Passes Significantly Increases Risk of Mass Effect, Poor Functional Outcome, and Mortality

Stroke ◽  
2021 ◽  
Vol 52 (Suppl_1) ◽  
Author(s):  
Victor M Ringheanu ◽  
Laurie Preston ◽  
WONDWOSSEN G TEKLE ◽  
Amrou Sarraj ◽  
Ameer E Hassan
Keyword(s):  
Carotid Artery ◽  
Internal Carotid Artery ◽  
Functional Outcome ◽  
Internal Carotid ◽  
Mass Effect ◽  
Artery Occlusion ◽  
Delayed Presentation ◽  
Vessel Occlusion ◽  
Presentation Time ◽  
Poor Outcomes

Background: Endovascular treatment (EVT) is a widely proven method to treat patients diagnosed with intracranial large vessel occlusion (LVO). Through this method of treatment, it has been hypothesized that a lower number of thrombectomy passes is an indicator of higher rates of modified Thrombolysis in Cerebral Infarction 2b-3 (mTICI) and favorable outcomes defined as modified Rankin Scale 0-2 (mRS). Methods: Through the utilization of a prospectively collected endovascular database between 2012-2020, variables such as demographics, co-morbid conditions, intracerebral hemorrhage, mass effect, mortality rate, and good/poor outcomes in regard to mTICI score and mRS assessment at discharge were examined. The outcomes between patients receiving EVT who were treated with < 3 thrombectomy passes or ≥ 3 passes were compared. Results: Out of 454 patients treated with mechanical thrombectomy of qualifying intracranial internal carotid artery or middle cerebral artery occlusion, site of occlusion (internal carotid artery, M1 and M2), a total of 372 (81.9%) were treated with < 3 thrombectomy passes (average age 70.34 ± 13.75 years, 46.0% women), and 82 (18.1%) were treated with ≥ 3 thrombectomy passes (average age 70.30 ± 13.72 years, 48.8% women). Significantly higher rates of mass effect (p=0.043), mRS score 3-6 (p=0.029), and mortality (p=0.025) were noted in patients treated with ≥ 3 thrombectomy passes. Further analysis revealed that patients presenting 6-24 hours from symptom onset had significantly lessened chance of effective recanalization (TICI 2B-3; p=0.021). Conclusion: A higher number of thrombectomy passes, characterized as ≥ 3 passes in this study, was associated with significantly worsened patient outcome in regard to functional outcome, and mortality. Further research is required to determine whether the number of thrombectomy passes is an accurate indicator of treatment outcome and whether delayed presentation time increases risk of poor outcome.

Impact of Repeated Clot Retrieval Attempts on Infarct Growth and Outcome After Ischemic Stroke

Neurology ◽  
2021 ◽  
pp. 10.1212/WNL.0000000000012321
Author(s):  
Wagih Ben Hassen ◽  
Caroline Touloupas ◽  
Joseph Benzakoun ◽  
Gregoire Boulouis ◽  
Martin Bretzner ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Acute Stroke ◽  
Functional Outcome ◽  
Mechanical Thrombectomy ◽  
Binary Logistic Regression ◽  
Unfavorable Outcome ◽  
Binary Logistic Regression Analysis ◽  
Strongly Correlated ◽  
Vessel Occlusion

Objective:To determine whether the association between increasing number of clot retrieval attempts (CRA) and unfavorable outcome is due to an increase in emboli to new territory (ENT) and greater infarct growth (IG) in successfully recanalized patients with acute ischemic stroke due to large vessel occlusion (AIS LVO).Methods:Data were extracted from two pooled multicentric prospective registries of consecutive anterior AIS-LVO patients treated with mechanical thrombectomy (MT) between January 2016-2019. Patients with pretreatment and 24 hours post-treatment diffusion-weighted imaging (DWI) achieving successful recanalization, defined as expanded Thrombolysis in Cerebral Infarction Scale (eTICI) scores 2b, 2C or 3 were included. ENT were assessed and IG measured by voxel-based segmentation after DWI co-registration. Associations between number of CRA, ENT, IG and 3-month outcome were analyzed.Results:Four hundred nineteen patients achieving successful recanalization were included. ENT occurrence was strongly correlated with increasing CRA (ρ=0.73, p=10-4). In multivariable linear analysis, IG was independently associated with CRA (β=1.6 per retrieval attempt, 95% CI = [0.97–9.74], p=0.03) and ENT (β=2.7, [1.21-4.1], p=0.03). Unfavorable functional outcome (3-month modified Rankin Score >2) increased with each additional CRA. IG was an independent predictor of unfavorable outcome (OR=1.05 [1.02-1.07] per 1 mL IG increase, p=10-4) in binary logistic regression analysis.Conclusion:Increasing number of CRA in acute stroke is correlated with an increased ENT rate and increased IG volume, affecting functional outcome even when successful recanalization is achieved.Classification of evidence:This study provides Class II evidence that, for patients with acute stroke undergoing successful recanalization, an increasing number of clot retrieval attempts is associated with poorer functional outcome.

Abstract 1122‐000099: Establishing “Code NI” in Addition to “Code Stroke” is Warranted When Mechanical Thrombectomy is Needed

2021 ◽  
Vol 1 (S1) ◽  
Author(s):  
Kiana Moussavi ◽  
Mohammad Moussavi
Keyword(s):  
Patient Outcomes ◽  
Mechanical Thrombectomy ◽  
Medical Emergency ◽  
Number Needed To Treat ◽  
Insurance Company ◽  
Stroke Patients ◽  
Vessel Occlusion ◽  
Essential Information ◽  
Bed Management ◽  
Comprehensive Stroke Center

Introduction : Hospital medical emergencies are prone to inefficiencies related to delayed dissemination of information, communication error, role confusion, and delayed decision making. The use of medical codes is intended to convey emergent and essential information quickly while preventing stress and mismanagement. The more complex, critical, and time sensitive an event is, the greater the need to establish a Code. Major mechanical thrombectomy (MT) trials published in 2015 and 2016 proved emergent MT to be more effective compared to IV tPA in stroke patients with large vessel occlusion (LVO). It has been proven that time to reperfusion with MT is directly proportional to severity of patient outcomes, coining the phrase, “save a minute, save a week”. When compared to the use of percutaneous intervention (PCI) in the treatment of STEMI, the number needed to treat for MT is estimated at 5 compared to 16 for PCI. Despite this fact, most hospitals have yet to adopt a code specific to MT. Our Purpose is to emphasize the importance of establishing a dedicated Code NI (Neuro‐Intervention) for stroke patients who require MT by sharing our Methods : After defining the problems, measuring the need, and analyzing the process, we identified the urgency for improvements in our facility. The administration was persuaded to support us in implementation of improvements after realizing the success of MT trials in patient outcomes, length of stay, hospital rankings, Comprehensive Stroke Center Certification, and insurance company compensation. Results : In early 2018, after many presentations and meetings, it was decided to implement “Code NI” for acute stroke patients who met MT criteria. Many teams and individuals including Neurointervention, Neuroradiology, Angio Suite, Anesthesia, ICU, Bed management, and transport were alerted. Following these implementations, from 2018 to 2021, our Door to Puncture Time and Puncture to Recanalization Time has been trending down from 219 to 120; and 261 to 147 minutes respectively. Conclusions : Approximately 70% of stroke patients with LVO have the potential of a meaningful recovery if treated efficiently and effectively. Establishing a “Code NI” for this time sensitive medical emergency helps the patients, their families, hospitals, and society.

scholarly journals Mechanical Thrombectomy for Minor Stroke Patients (NIHSS <6) With Large Vessel Occlusion

2018 ◽  
Vol 24 (2) ◽  
pp. 67-70
Author(s):  
Çetin Kürşad Akpınar ◽  
Erdem Gürkaş ◽  
Emrah Aytaç ◽  
Murat Çalık
Keyword(s):  
Mechanical Thrombectomy ◽  
Large Vessel ◽  
Minor Stroke ◽  
Large Vessel Occlusion ◽  
Stroke Patients ◽  
Vessel Occlusion

Abstract TP63: Lacunarization After Endovascular Treatment: a Surrogate Marker of Good Functional Outcome

Stroke ◽  
2016 ◽  
Vol 47 (suppl_1) ◽  
Author(s):  
Pedro Cardona ◽  
Helena Quesada ◽  
Blanca Lara ◽  
Nuria Cayuela ◽  
Xavier Ustrell ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Endovascular Treatment ◽  
Functional Outcome ◽  
Surrogate Marker ◽  
Source Image ◽  
Stroke Patients ◽  
Good Functional Outcome ◽  
Lacunar Syndrome ◽  
Contrast Ct

Introduction: Multiple randomized trials have demonstrated that endovascular treatment (EVT) in selected stroke patients is associated with good clinical outcome (90 days mRankin 0-2: 44-60%). However the percentage of good functional outcome could be improved if we consider patients without cortical clinical impairment with presentation of classical lacunar syndrome despite non-lacunar radiological infarct. Methods: Consecutive patients with ischemic stroke who received endovascular reperfusion were retrospectively analyzed between May 2010 and April 2015. On admission NCCT (non-contrast CT) and CTASI (CT Angiography Source Image) were performed in stroke patients according to our hospital guidelines. We independently applied the ASPECT score in all baselines NCCT, CTASI and follow-up NCCT 24H, and magnetic resonance (MR) during hospitalization. Five pure clinical lacunar syndromes (CLS) were recorded within 24h exam after EVT in our stroke unit and 90 days follow-up Results: We review 428 thrombectomies of patients with acute ischemic stroke. Ninety-five percent of occlusions were located in middle cerebral artery or terminal internal carotid, (49% women, mean age 65+/-13 years; NIHSS at admission: 17; baseline mRS 0-1:96%). Successful recanalization (TICI 2b-3) was achieved in 81%. At 3 months good functional outcome (mRS 0-2) was seen in 51% and death occurred in 13%. CLS were indentified in 42% patients within 24h after EVT. This clinical syndromes were associated to ASPECT score in 24 NCCT and CTASI in patients with recanalization 2b-3 (p:0.003), but only 4% had a defined radiological lacunar stroke on MR. CLS turned out to be one of independence predictors of good outcomes (Rankin 0-2 at 90d) after adjustment for ages, sex and baseline NIHSS scores (OR 1.85; CI:1.4-3.1; p:0.001). Also CLS were still present in 34% of patients with Rankin>2 at 90d (Rankin 3:26%; Rankin 4:7%) Conclusions: These results suggest that a neurological exam 24h after EVT with identification of pure lacunar syndrome can predict favorable functional outcome at 90days. This group of patients presents radiological findings with an unusual location and size with regard to CLS. We suggest to consider patients with CLS as good outcome after EVT regardless 90d mRankin>2.

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