Drip and ship for mechanical thrombectomy within the Neurovascular Network of Southwest Bavaria

Neurology ◽  
2019 ◽  
Vol 94 (5) ◽  
pp. e453-e463 ◽  
Author(s):  
Katharina Feil ◽  
Jan Rémi ◽  
Clemens Küpper ◽  
Moriz Herzberg ◽  
Franziska Dorn ◽  
...  
Keyword(s):  
Rural Areas ◽  
Mechanical Thrombectomy ◽  
Stroke Care ◽  
Care Organization ◽  
Vessel Occlusion ◽  
Nihss Score ◽  
Symptomatic Intracerebral Hemorrhage ◽  
Stroke Study ◽  
Comparable Time

ObjectiveTo determine feasibility and safety of stroke care organization within our Neurovascular Network of Southwest Bavaria (NEVAS) in a rural area with distances of up to 100 kilometers, we compared patients who underwent mechanical thrombectomy (MT) in large vessel occlusion admitted directly to our center (direct to center [DTC]) to patients who were transferred for MT via NEVAS (drip and ship [DS]).MethodsThis is a retrospective analysis of prospectively collected data of all MT patients between January 2015 and May 2018. Successful recanalization was defined as a thrombolysis in cerebral infarction score of 2b-3. Symptomatic intracerebral hemorrhage (sICH) was defined according to European Cooperative Acute Stroke Study 3. Modified Rankin Scale (mRS) score of 0–2 at 3 months indicated good outcome.ResultsMT was performed in 410 patients: 221 DTC and 189 DS. Median NIH Stroke Scale (NIHSS) score was 16 and premorbid mRS score was 0. Thrombolysis was applied in 62.2% with the same time from symptom onset in both groups (94.5 vs 95 minutes). Successful recanalization (79.3% vs 77.8%) and NIHSS score reduction from admission to discharge (16–7 vs 17–6) were comparable. Time delay from onset to revascularization was 96 minutes in DS (212 vs 308 minutes, p = 0.001). At follow-up, DTC patients had a trend to better outcome (33.5% vs 24.3%, p = 0.056). Neither sICH (6.3% vs 5.9%, p = 0.840) nor mortality (31.2% vs 34.4%, p = 0.387) differed between the groups.ConclusionDS patients benefit from MT without relevant safety concerns, but with a trend to unfavorable outcome compared to DTC patients. These results suggest that DS is suitable to provide MT in rural areas where DTC is not possible.

The Safety and Feasibility of Mechanical Thrombectomy for Mild Acute Ischemic Stroke With Large Vessel Occlusion

Neurosurgery ◽  
2019 ◽  
Vol 86 (6) ◽  
pp. 802-807 ◽  
Author(s):  
Gabor Toth ◽  
Santiago Ortega-Gutierrez ◽  
Jenny P Tsai ◽  
Russell Cerejo ◽  
Sami Al Kasab ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Mechanical Thrombectomy ◽  
Infarct Volume ◽  
Invasive Procedure ◽  
Large Vessel ◽  
Large Vessel Occlusion ◽  
Vessel Occlusion ◽  
Symptomatic Intracerebral Hemorrhage ◽  
Significant Difference

Abstract BACKGROUND Prospective evidence to support mechanical thrombectomy (MT) for mild ischemic stroke with large vessel occlusion (LVO) is lacking. There is uncertainty about using an invasive procedure in patients with mild symptoms. OBJECTIVE To evaluate the safety and feasibility of MT in patients with mild symptoms and LVO. METHODS Our single-arm prospective pilot study recruited patients with LVO and initial National Institute of Health Stroke Scale (NIHSS) <6, who underwent standard MT. Primary safety endpoints were symptomatic intracerebral hemorrhage (sICH), and/or worsening NIHSS by ≥4 points. Secondary endpoints included angiographic recanalization, NIHSS change, final infarct volume, and modified Rankin score (mRS). RESULTS We enrolled 20 patients (mean age 65.6 ± 12.3 yr; 45% females). Thrombolysis in Cerebral Ischemia 2B/3 thrombectomy was achieved in 95%. No patients suffered sICH. One patient (5%) had neurologic worsening within 24 h because of underlying intracranial stenosis. No other complications or safety concerns were identified. Median NIHSS was significantly better at discharge (0.5, P = .007) and at last follow-up (0, P < .001) than before treatment (3). Mean post vs preintervention infarct volumes were small without significant difference (1.2 ml, P = .434). Most patients (85%) were discharged directly home. Excellent clinical outcome (mRS 0-1) at last follow-up was seen in 95% of patients. CONCLUSION This is one of the first specifically designed prospective studies showing that MT is safe and feasible in patients with low NIHSS and LVO. Chronic underlying vasculopathy may be a challenging dilemma. We observed excellent clinical and radiographic outcomes, but randomized controlled trials are needed to demonstrate the efficacy of MT in this unique cohort.

Catch Plus thrombectomy device in acute stroke: initial evaluation

2016 ◽  
Vol 9 (12) ◽  
pp. 1214-1218 ◽  
Author(s):  
Ahmet Peker ◽  
Ethem Murat Arsava ◽  
Mehmet Akif Topçuoğlu ◽  
Anıl Arat
Keyword(s):  
Mechanical Thrombectomy ◽  
National Institutes Of Health ◽  
Initial Experience ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
Nihss Score ◽  
Thrombectomy Device ◽  
Baseline Characteristics ◽  
Mean Time

ObjectiveTo report our initial experience with the Catch Plus thrombectomy device (CPD) in patients with acute ischemic stroke (AIS).Materials and methodsWe retrospectively evaluated the procedural variables as well as the clinical and angiographic outcomes of patients with acute occlusion of a major intracranial artery in the anterior circulation who were treated with CPD at our center. Baseline characteristics (gender, age, comorbidities, cardiovascular risk factors, National Institutes of Health Stroke Scale (NIHSS) score, and vessel occlusion sites) of these patients were recorded. Thrombolysis in Cerebral Infarction (TICI) score, incidence of symptomatic and asymptomatic bleeding, and 90 day modified Rankin Scale (mRS) scores were evaluated as indicators of outcome.Results38 patients with a mean age of 67.5 years were treated with CPD. Mean time from symptom onset to procedure initiation was 226.7 min. Recanalization (TICI 2b–3) was achieved in 27 patients (71.1%). The median NIHSS score on admission was 20. Rates of symptomatic and asymptomatic intracerebral hemorrhage were 7.9% and 13.2%, respectively. The 90 day clinical follow-up data were available for 37 patients. The 90 day mortality rate was 18.9%, and the 90 day clinically acceptable functional outcome (mRS score ≤2) rate was 43.2% (mRS score 0–3, 54.1%). Very distal thrombectomy involving the cortical arteries was performed on four patients without complications.ConclusionsOur initial experience suggests that mechanical thrombectomy with the CPD improves 90 day outcomes of patients with AIS by facilitating effective recanalization.

scholarly journals Implications of limiting mechanical thrombectomy to patients with emergent large vessel occlusion meeting top tier evidence criteria

2016 ◽  
Vol 9 (3) ◽  
pp. 225-228 ◽  
Author(s):  
Rohini Bhole ◽  
Nitin Goyal ◽  
Katherine Nearing ◽  
Andrey Belayev ◽  
Vinodh T Doss ◽  
...  
Keyword(s):  
Mechanical Thrombectomy ◽  
Time Window ◽  
Large Vessel ◽  
Large Vessel Occlusion ◽  
Vessel Occlusion ◽  
Strict Adherence ◽  
Nihss Score ◽  
Neurological Improvement ◽  
Symptomatic Intracerebral Hemorrhage ◽  
Increased Risk

BackgroundRecent guidelines for endovascular management of emergent large vessel occlusion (ELVO) award top tier evidence to the same selective criteria in recent trials. We aimed to understand how guideline adherence would have impacted treatment numbers and outcomes in a cohort of patients from a comprehensive stroke center.MethodsA retrospective observational study was conducted using consecutive emergent endovascular patients. Mechanical thrombectomy (MT) was performed with stent retrievers or large bore clot aspiration catheters. Procedural outcomes were compared between patients meeting, and those failing to meet, top tier evidence criteria.Results126 patients receiving MT from January 2012 to June 2015 were included (age 31–89 years, National Institutes of Health Stroke Scale (NIHSS) score 2–38); 62 (49%) patients would have been excluded if top tier criteria were upheld: pretreatment NIHSS score <6 (10%), Alberta Stroke Program Early CT score <6 (6.5%), premorbid modified Rankin Scale (mRS) score ≥2 (27%), M2 occlusion (10%), posterior circulation (32%), symptom to groin puncture >360 min (58%). 26 (42%) subjects had more than one top tier exclusion. Symptomatic intracerebral hemorrhage (sICH) and systemic hemorrhage rates were similar between the groups. 3 month mortality was 45% in those lacking top tier evidence compared with 26% (p=0.044), and 3 month mRS score 0–2 was 33% versus 46%, respectively (NS). After adjusting for potential confounders, top tier treatment was not associated with neurological improvement during hospitalization (β −8.2; 95% CI −24.6 to −8.2; p=0.321), 3 month mortality (OR=0.38; 95% CI 0.08 to 1.41), or 3 month favorable mRS (OR=0.97; 95% CI 0.28 to 3.35).ConclusionsOur study showed that with strict adherence to top tier evidence criteria, half of patients may not be considered for MT. Our data indicate no increased risk of sICH and a potentially higher mortality that is largely due to treatment of patients with basilar occlusions and those treated at an extended time window. Despite this, good functional recovery is possible, and consideration of MT in patients not meeting top tier evidence criteria may be warranted.

scholarly journals Safety and Angiographic Efficacy of Intra-Arterial Fibrinolytics as Adjunct to Mechanical Thrombectomy: Results from the INFINITY Registry

2021 ◽  
Vol 23 (1) ◽  
pp. 91-102
Author(s):  
Johannes Kaesmacher ◽  
Nuran Abdullayev ◽  
Basel Maamari ◽  
Tomas Dobrocky ◽  
Jan Vynckier ◽  
...  
Keyword(s):  
Primary Outcome ◽  
Internal Carotid ◽  
Mechanical Thrombectomy ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
Stroke Study ◽  
Increased Risk ◽  
Tissue Plasminogen ◽  
Symptomatic Intracranial Hemorrhage

Background and Purpose Data on safety and efficacy of intra-arterial (IA) fibrinolytics as adjunct to mechanical thrombectomy (MT) are sparse.Methods INtra-arterial FIbriNolytics In ThrombectomY (INFINITY) is a retrospective multi-center observational registry of consecutive patients with anterior circulation large-vessel occlusion ischemic stroke treated with MT and adjunctive administration of IA fibrinolytics (alteplase [tissue plasminogen activator, tPA] or urokinase [UK]) at 10 European centers. Primary outcome was the occurrence of symptomatic intracranial hemorrhage (sICH) according to the European Cooperative Acute Stroke Study II definition. Secondary outcomes were mortality and modified Rankin Scale (mRS) scores at 3 months.Results Of 5,612 patients screened, 311 (median age, 74 years; 44.1% female) received additional IA after or during MT (194 MT+IA tPA, 117 MT+IA UK). IA fibrinolytics were mostly administered for rescue of thrombolysis in cerebral infarction (TICI) 0-2b after MT (80.4%, 250/311). sICH occurred in 27 of 308 patients (8.8%), with an increased risk in patients with initial TICI0/1 (adjusted odds ratio [aOR], 2.3; 95% confidence interval [CI], 1.1 to 5.0 per TICI grade decrease) or in those with intracranial internal carotid artery occlusions (aOR, 3.7; 95% CI, 1.2 to 12.5). In patients with attempted rescue of TICI0-2b and available angiographic follow-up, 116 of 228 patients (50.9%) showed any angiographic reperfusion improvement after IA fibrinolytics, which was associated with mRS ≤2 (aOR, 3.1; 95% CI, 1.4 to 6.9).Conclusions Administration of IA fibrinolytics as adjunct to MT is performed rarely, but can improve reperfusion, which is associated with better outcomes. Despite a selection bias, an increased risk of sICH seems possible, which underlines the importance of careful patient selection.

scholarly journals Breaking the breach in Latin America: A pilot study of mechanical thrombectomy in the public healthcare system in Chile

2020 ◽  
pp. 159101992095640
Author(s):  
Rodrigo Rivera ◽  
Cristian Amudio ◽  
Enzo Brunetti ◽  
Pascual Catalan ◽  
Juan Gabriel Sordo ◽  
...  
Keyword(s):  
Mechanical Thrombectomy ◽  
Standard Of Care ◽  
Functional Independence ◽  
Public Healthcare ◽  
Vessel Occlusion ◽  
The Public ◽  
Symptomatic Intracerebral Hemorrhage ◽  
Symptomatic Intracranial Hemorrhage ◽  
Stroke Center

Background Mechanical Thrombectomy (MT) is the standard of care for treatment of large vessel occlusion stroke. Until the beginning of 2020 MT was not funded nor widely implemented at the public healthcare level in Chile. Objective To describe the results of a pilot program created to provide access to public MT in Santiago - Chile. Methods Analysis from a prospectively collected database of MT cases performed between September 2017 and September 2019 in one center. A stroke network was developed with a single MT capable stroke center and five primary stroke centers. The primary efficacy endpoint was the rate of functional independence (mRS 0-2) at 90 days. Successful reperfusion was defined as 2 b-3 according to the thrombolysis in cerebral infarction scale. Safety outcomes include the rates of symptomatic intracranial hemorrhage and 90-day mortality. Results A total of 100 patients were treated over the study period. Their mean age was 62.8 ± 11.8 years and median baseline National Institute of Health Stroke Scale (NIHSS) measurement was 17. Seventy-seven percent of the patients received intra venous thrombolysis. Successful reperfusion was achieved in 95% of the cases. NIHSS at 24 hours showed a median drop of 7 points from baseline (p < 0.00001) and 50% of the follow-up patients were functionally independent at 90 days. Symptomatic Intracerebral hemorrhage occurred in 5% of the patients and 90-day all case mortality was 11%. Conclusions We demonstrated the feasibility of a publicly funded MT program in Chile, with similar results as other international randomized control trials.

Mechanical thrombectomy using a Solitaire stent retriever in the treatment of pediatric acute ischemic stroke

2019 ◽  
Vol 23 (3) ◽  
pp. 363-368 ◽  
Author(s):  
Bing Zhou ◽  
Xiao-Chuan Wang ◽  
Jun-Yi Xiang ◽  
Ming-Zhao Zhang ◽  
Bo Li ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Acute Ischemic Stroke ◽  
Mechanical Thrombectomy ◽  
Balloon Dilation ◽  
Stent Retriever ◽  
National Institutes Of Health ◽  
Clinical Prognosis ◽  
Nihss Score ◽  
Grade 3

OBJECTIVEMechanical thrombectomy using a Solitaire stent retriever has been widely applied as a safe and effective method in adult acute ischemic stroke (AIS). However, due to the lack of data, the safety and effectiveness of mechanical thrombectomy using a Solitaire stent in pediatric AIS has not yet been verified. The purpose of this study was to explore the safety and effectiveness of mechanical thrombectomy using a Solitaire stent retriever for pediatric AIS.METHODSBetween January 2012 and December 2017, 7 cases of pediatric AIS were treated via mechanical thrombectomy using a Solitaire stent retriever. The clinical practice, imaging, and follow-up results were reviewed, and the data were summarized and analyzed.RESULTSThe ages of the 7 patients ranged from 7 to 14 years with an average age of 11.1 years. The preoperative National Institutes of Health Stroke Scale (NIHSS) scores ranged from 9 to 22 with an average of 15.4 points. A Solitaire stent retriever was used in all patients, averaging 1.7 applications of thrombectomy and combined balloon dilation in 2 cases. Grade 3 on the modified Thrombolysis In Cerebral Infarction scale of recanalization was achieved in 5 cases and grade 2b in 2 cases. Six patients improved and 1 patient died after thrombectomy. The average NIHSS score of the 6 cases was 3.67 at discharge. The average modified Rankin Scale score was 1 at the 3-month follow-up. Subarachnoid hemorrhage after thrombectomy occurred in 1 case and that patient died 3 days postoperatively.CONCLUSIONSThis study shows that mechanical thrombectomy using a Solitaire stent retriever has a high recanalization rate and excellent clinical prognosis in pediatric AIS. The safety of mechanical thrombectomy in pediatric AIS requires more clinical trials for confirmation.

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.

Abstract 1122‐000084: Does Intravenous Thrombolysis Promote Delayed Reperfusion After Incomplete Mechanical Thrombectomy?

2021 ◽  
Vol 1 (S1) ◽  
Author(s):  
Adnan Mujanovic ◽  
Christoph Kammer ◽  
Christoph C Kurmann ◽  
Lorenz Grunder ◽  
Morin Beyeler ◽  
...  
Keyword(s):  
Perfusion Imaging ◽  
Mechanical Thrombectomy ◽  
Intravenous Thrombolysis ◽  
Functional Independence ◽  
Considerable Proportion ◽  
Time Interval ◽  
Start Time ◽  
Vessel Occlusion ◽  
Stroke Registry

Introduction : The value of intravenous thrombolysis (IVT) in patients eligible for mechanical thrombectomy (MT) remains unclear. We hypothesized that pre‐treatment with and/or ongoing IVT may facilitate reperfusion of distal vessel occlusion after incomplete MT. We evaluated this potential association using follow‐up perfusion imaging. Methods : Retrospective observational analysis of our institution`s stroke registry included patients with incomplete reperfusion after MT, admitted between February 1, 2015 and December 8, 2020. Delayed reperfusion (DR) was defined as the absence of a persistent perfusion deficit on contrast‐enhanced perfusion imaging ⁓24h±12h after the intervention. The association between baseline parameters and the occurrence of DR was evaluated using a logistic regression analyses. To account for possible time‐dependent associations of IVT with DR, additional stratification sets were made based on different time windows between IVT start time and final angiography runs. Results : Among the 378 included patients (median age 73.5, 50.8% female), DR occurred in 226 (59.8%). Atrial fibrillation (aOR 2.53 [95% CI 1.34 ‐ 4.90]), eTICI score (aOR 3.79 [95% CI 2.71 ‐ 5.48] per TICI grade increase), and intervention‐to‐follow‐up time (aOR 1.08 [95% CI 1.04 ‐ 1.13] per hour delay) were associated with DR. Dichotomized IVT strata showed no association with DR (aOR 0.75 [95% CI 0.42 ‐ 1.33]), whereas shorter intervals between IVT start and end of the procedure showed a borderline significant association with DR (OR 2.24 [95% CI 0.98 ‐ 5.43, and OR 2.07 [95% 1.06 – 4.31], for 80 and 100 minutes respectively). Patients with DR had higher rates of functional independence (modified Rankin scale 0–2 at 90 days, DR: 63.3% vs PPD: 38.8%; p<0.01) and longer survival time (at 3 years, DR: 69.2% vs PPD: 45.8%; p = 0.001). Conclusions : There is weak evidence that IVT may favor DR after incomplete MT if the time interval between IVT administration and end of the procedure is short. In general, perfusion follow‐up imaging may constitute a suitable surrogate parameter for evaluating medical rescue strategies after incomplete MT, because a considerable proportion of patients do not experience DR, and there seems to be a close correlation with clinical outcomes.

Endovascular treatment for AIS with underlying ICAD

2016 ◽  
Vol 9 (10) ◽  
pp. 948-951 ◽  
Author(s):  
Sami Al Kasab ◽  
Zayed Almadidy ◽  
Alejandro M Spiotta ◽  
Aquilla S Turk ◽  
M Imran Chaudry ◽  
...  
Keyword(s):  
Functional Outcomes ◽  
National Institutes Of Health ◽  
Large Vessel Occlusion ◽  
Vessel Occlusion ◽  
Nihss Score ◽  
Intracranial Atherosclerotic Disease ◽  
Significant Difference ◽  
Procedural Complications ◽  
Angioplasty And Stenting

BackgroundAcute large vessel occlusion (LVO) can result from thromboemboli or underlying intracranial atherosclerotic disease (ICAD). Although the technique for revascularization differs significantly for these two lesions (simple thrombectomy for thromboemboli and balloon angioplasty and stenting for ICAD), the underlying etiology is often unknown in acute ischemic stroke (AIS).ObjectiveTo evaluate whether procedural complications, revascularization rates, and functional outcomes differ among patients with LVO from ICAD or thromboembolism.MethodsA retrospective review of thrombectomy cases from 2008 to 2015 was carried out for cases of AIS due to underlying ICAD. Thirty-six patients were identified. A chart and imaging review was performed to determine revascularization rates, periprocedural complications, and functional outcomes. Patients with ICAD and acute LVO were compared with those with underlying thromboemboli.ResultsAmong patients with ICAD and LVO, mean National Institutes of Health Stroke Scale (NIHSS) score on admission was 12.9±8.5, revascularization (Thrombolysis In Cerebral Infarction, TICI ≥2b) was achieved in 22/34 (64.7%) patients, 11% had postprocedural intracerebral hemorrhage (PH2), and 14/33 (42.4%) had achieved a modified Rankin Scale (mRS) score of 0–2 at the 3-month follow-up. Compared with patients without underlying ICAD, there was no difference in NIHSS on presentation, or in the postprocedural complication rate. However, procedure times for ICAD were longer (98.5±59.8 vs 37.1±34.2 min), there was significant difference in successful revascularization rate between the groups (p=0.001), and a trend towards difference in functional outcome at 3 months (p=0.07).ConclusionsDespite AIS with underlying ICAD requiring a more complex, technically demanding recanalization strategy than traditional thromboembolic AIS, it appears safe, and good outcomes are obtainable.

scholarly journals Stent Deployment as an Emergency Alternative Treatment for Acute Stroke. Case Series

2019 ◽  
Vol 29 (3) ◽  
pp. 517-522
Author(s):  
Roberto Crosa ◽  
Alejandro M. Spiotta
Keyword(s):  
Mechanical Thrombectomy ◽  
Case Series ◽  
Large Vessel Occlusion ◽  
Good Clinical Outcome ◽  
Vessel Occlusion ◽  
Stent Deployment ◽  
Small Series ◽  
Treatment Variant

Introduction. Acute ischemic stroke due to large vessel occlusion refractory to aspiration or mechanical thrombectomy is a therapeuticchallenge. Objective. A treatment variant is in order. Methods. In the last three years, we admitted seven patients with refractory largevessel occlusions, for all of whose aspiration and mechanical thrombectomy had failed. A Solitaire AB stent was deployed as a rescuemeasure. Results. Data was retrospectively analyzed. Six out of seven patients had a good clinical outcome as measured by mTICIand mRS twelve months after the procedure. One patient died after the first follow-up visit, one month after endovascular therapy.Conclusion. Results of this small series support the role of stent deployment as a rescue measure for such challenging patients.

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