Effect of emergent carotid stenting during endovascular therapy for acute anterior circulation stroke patients with tandem occlusion: A multicenter, randomized, clinical trial (TITAN) protocol

2020 ◽  
pp. 174749302092994 ◽  
Author(s):  
François Zhu ◽  
Gabriela Hossu ◽  
Marc Soudant ◽  
Sébastien Richard ◽  
Hamza Achit ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Carotid Artery ◽  
Internal Carotid Artery ◽  
Acute Ischemic Stroke ◽  
Antiplatelet Therapy ◽  
Carotid Artery Stenting ◽  
Internal Carotid ◽  
Mechanical Thrombectomy ◽  
Anterior Circulation ◽  
Tandem Occlusion

Background and hypothesis There is no consensus on the optimal endovascular management of the extracranial internal carotid artery steno-occlusive lesion in patients with acute ischemic stroke due to tandem occlusion. We hypothesized that intracranial mechanical thrombectomy plus emergent internal carotid artery stenting (and at least one antiplatelet therapy) is superior to intracranial mechanical thrombectomy alone in patients with acute tandem occlusion. Study design TITAN is an investigator-initiated, multicenter, prospective, randomized, open-label, blinded-endpoint (PROBE) study. Eligibility requires a diagnosis of acute ischemic stroke, pre-stroke modified Rankin Scale (mRS)≤2 (no upper age limit), National Institutes of Health Stroke Scale (NIHSS)≥6, Alberta Stroke Program Early Computed Tomography Score (ASPECTS)≥6, and tandem occlusion on the initial catheter angiogram. Tandem occlusion is defined as large vessel occlusion (intracranial internal carotid artery , M1 and/or M2 segment) and extracranial severe internal carotid artery stenosis ≥90% (NASCET) or complete occlusion. Patients are randomized in two balanced parallel groups (1:1) to receive either intracranial mechanical thrombectomy plus internal carotid artery stenting (and at least one antiplatelet therapy) or intracranial mechanical thrombectomy alone within 8 h of stroke onset. Up to 432 patients are randomized after tandem occlusion confirmation on angiogram. Study outcomes The primary outcome measure is complete reperfusion rate at the end of endovascular procedure, assessed as a modified Thrombolysis in Cerebral Infarction (mTICI) 3, and ≥4 point decrease in NIHSS at 24 h. Secondary outcomes include infarct growth, recurrent clinical ischemic event in the ipsilateral carotid territory, type and dose of antiplatelet therapy used, mRS at 90 (±15) days and 12 (±1) months. Safety outcomes are procedural complications, stent patency, intracerebral hemorrhage, and death. Economics analysis includes health-related quality of life, and costs utility comparison, especially with the need or not of endarterectomy. Discussion TITAN is the first randomized trial directly comparing two types of treatment in patients with acute ischemic stroke due to anterior circulation tandem occlusion, and especially assessing the safety and efficacy of emergent internal carotid artery stenting associated with at least one antiplatelet therapy in the acute phase of stroke reperfusion. Trial registration ClinicalTrials.gov NCT03978988

INTERNAL CAROTID ARTERY STENTING WITH SIMULTANEOUS THROMBECTOMY IN TANDEM OCCLUSION WITH ACUTE ISCHEMIC STROKE

Vestnik ◽  
2021 ◽  
pp. 126-130
Author(s):  
Р.М. Кастей ◽  
Е.К. Дюсембеков ◽  
Е.С. Жуков ◽  
С.Т. Калдыбаев ◽  
К.А. Никатов
Keyword(s):  
Ischemic Stroke ◽  
Carotid Artery ◽  
Internal Carotid Artery ◽  
Acute Ischemic Stroke ◽  
Cerebral Circulation ◽  
Internal Carotid ◽  
Mechanical Thrombectomy ◽  
Anterior Circulation ◽  
Tandem Occlusion ◽  
Large Vessels

Механическая тромбэктомия в настоящее время является золотым стандартом в лечении острого ишемического инсульта при окклюзии крупных сосудов передней циркуляции мозгового кровообращения. Однако проблема лечения так называемой тандемной окклюзии - это одновременная окклюзия или критический стенозэкстракраниальной части внутренней сонной артерии (ВСА) в комбинации с окклюзией крупныхвнутримозговых сосудов передней циркуляции мозгового кровообращения в настоящее времяостается актуальной. В данной статье представлен клинический случай успешного лечения тандемной окклюзии внутренней сонной артерии и средней мозговой артерии путем проведения механической тромбэктомии с одномоментным стентированием внутренней сонной артерии. Однако для разработки единого стандарта лечения тандемных окклюзийнеобходимо проведение дальнейших исследований. Mechanical thrombectomy is currently the gold standard in the treatment of acute ischemic stroke with occlusion of large vessels of the anterior circulation of cerebral circulation. However, the problem of treating the so-called tandem occlusion is simultaneous occlusion or extracranial part of the internal carotid artery (ICA) critical stenosis in combination with occlusion of large intracerebral vessels of the anterior cerebral circulation currently remains relevant. This article presents a clinical case of successful treatment of tandem occlusion of the internal carotid artery and middle cerebral artery by mechanical thrombectomy with simultaneous ICA stenting. However, further research is needed to develop a unified standard for the tandem occlusions treatment.

scholarly journals Multiphasic Computed Tomography Angiography Findings for Identifying Pseudo-Occlusion of the Internal Carotid Artery

Stroke ◽  
2020 ◽  
Vol 51 (8) ◽  
pp. 2558-2562
Author(s):  
Jai Ho Choi ◽  
Jinhee Jang ◽  
Jaseong Koo ◽  
Kook-Jin Ahn ◽  
Yong Sam Shin ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Ischemic Stroke ◽  
Carotid Artery ◽  
Internal Carotid Artery ◽  
Acute Ischemic Stroke ◽  
Computed Tomography Angiography ◽  
Internal Carotid ◽  
Diagnostic Value ◽  
Fisher Exact Test ◽  
Anterior Circulation

Background and Purpose: Differentiation between pseudo-occlusion and true occlusion of internal carotid artery (ICA) is important in treatment planning for acute ischemic stroke patients. We compared the findings of multiphasic computed tomography angiography between cervical ICA pseudo-occlusion and true occlusion at the cervical ICA in patients with anterior circulation acute ischemic stroke to determine their diagnostic value. Methods: Thirty patients with nonvisualization of the proximal ICA were included. Diagnosis of pseudo- or true occlusion of the ICA was made based on digital subtraction angiography. Diagnostic performances of multiphasic computed tomography angiography findings—(1) a flame-shaped stump and (2) delayed contrast filling at the cervical ICA— were evaluated and compared. The Fisher exact test, χ 2 test, or Wilcoxon rank-sum test and McNemar test were used in the data analysis. Results: Twelve patients had true proximal ICA occlusion and 18 had pseudo-occlusion. Delayed contrast filling at the cervical ICA on multiphasic computed tomography angiography was found in all patients with pseudo-occlusion of the ICA, while 1 case of true occlusion showed delayed contrast filling ( P <0.001). The presence of a flame-shaped stump was not significantly different between the pseudo- and true occlusion groups. The sensitivity of delayed contrast filling (0.94 [95% CI, 0.73–1]) was significantly higher than that of flame-shaped stump (0.75 [95% CI, 0.36–0.83]). Conclusions: We demonstrated that the delayed filling sign on multiphasic computed tomography angiography could be a useful and readily available finding for differentiating proximal ICA pseudo-occlusion from true occlusion.

Abstract T P68: Outcome of Cervical Internal Carotid Artery Occlusions After Intravenous Thrombolysis in Acute Ischemic Stroke Patients With Tandem Occlusions

Stroke ◽  
2015 ◽  
Vol 46 (suppl_1) ◽  
Author(s):  
Héctor Avellón-Liaño ◽  
Ana I Calleja ◽  
Elisa Cortijo ◽  
Pablo García-Bermejo ◽  
Luis López-Mesonero ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Carotid Artery ◽  
Internal Carotid Artery ◽  
Acute Ischemic Stroke ◽  
Internal Carotid ◽  
Infarct Volume ◽  
Lower Mortality ◽  
Carotid Revascularization ◽  
Mca Occlusion ◽  
Tandem Occlusion

Background and Objective: Acute ischemic stroke (AIS) associated with tandem extracranial internal carotid artery (EICA) - middle cerebral artery (MCA) occlusion is burdened with a poor clinical outcome. The recanalization rate of extracranial ICA occlusion after i.v. thrombolysis and its prognostic significance in this group of patients remain largely unknown. Methods: Retrospective analysis of a prospectively collected database including consecutive AIS patients treated with i.v. thrombolysis. All patients underwent urgent assessment of extracranial and intracranial large arteries with either computed tomography angiography (CTA) or echo-Doppler ultrasound to document an acute EICA-MCA tandem occlusion prior to thrombolysis. EICA was monitored by control carotid ultrasound and/or CTA in order to detect transition from occlusion to relevant stenosis. Outcome variables: carotid revascularization, in-hospital mortality, Rankin 0-2 at three months, and infarct volume. Results: From January 2008 to December 2013, 606 AIS patients received i.v. thrombolysis, of whom 53 (9%) had a documented EICA-MCA tandem occlusion. Four of them died within first 24 hours and EICA could not be monitored. Occluded EICA evolved towards a severe stenosis in 14/49 (29%) after thrombolysis. Angiographic confirmation was obtained in 11 of them, who underwent carotid endarterectomy. EICA recanalization was more frequent among active smokers and was associated with carotid revascularization (79% vs. 0%, p<0.001), lower mortality (0% vs. 26%, p=0.03) and a smaller infarct volume (27 vs. 89 cc, p=0.04). Conclusion: Around 30% of AIS patients with tandem EICA-MCA occlusion treated with i.v. thrombolysis experience transition from initially occluded to severely stenosed EICA that can be rescued for revascularization. This evolution is associated with a lower mortality and smaller infarct volume.

scholarly journals Emergent carotid artery stenting in patients with acute ischemic stroke due to cervical internal carotid artery steno-occlusive lesion: Comparison of tandem intracranial occlusion and isolated cervical internal carotid artery occlusion

2020 ◽  
Vol 26 (4) ◽  
pp. 425-432
Author(s):  
Sung E Park ◽  
Dae S Choi ◽  
Hye J Baek ◽  
Kyeong H Ryu ◽  
Ji Y Ha ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Carotid Artery ◽  
Clinical Outcome ◽  
Internal Carotid Artery ◽  
Acute Ischemic Stroke ◽  
Carotid Artery Stenting ◽  
Internal Carotid ◽  
Artery Occlusion ◽  
Occlusive Lesion ◽  
Cervical Internal Carotid Artery

Purpose Acute ischemic strokes caused by steno-occlusive lesion of the cervical internal carotid artery are associated with poor clinical outcome. We evaluated the clinical efficacy of emergent carotid artery stenting for the management of these lesions. We compared the clinical outcomes regarding the intracranial lesion, namely tandem occlusions versus isolated cervical internal carotid artery occlusion. Materials and methods We retrospectively reviewed patients with acute ischemic stroke who underwent carotid artery stenting for cervical internal carotid artery steno-occlusive lesion between 2011 and 2018. After dividing the patients into two groups according to the presence or absence of intracranial lesions (tandem group and isolated cervical group), we analyzed demographic data, angiographic findings, and clinical outcomes. A modified Rankin Scale score ≤2 was defined as a favorable clinical outcome. Results Of 75 patients, 46 patients (61.3%) had tandem lesions, and the remaining 29 had only cervical internal carotid artery steno-occlusive lesion. Successful stenting was performed in all patients with favorable clinical outcomes (64.0%). Successful reperfusion score (thrombolysis in cerebral infarction ≥2 b) was 84.0%; tandem group (76.1%) versus isolated cervical group (96.6%) of cases. Mean modified Rankin Scale score at 90-days was 2.09. The rate of favorable clinical outcome showed no statistically significant difference between the two groups ( p = 0.454). Conclusions Endovascular treatment in patients with acute ischemic stroke due to cervical internal carotid artery steno-occlusive lesion is a technically feasible and clinically effective intervention regardless of intracranial occlusion. Therefore, we recommend endovascular treatment regardless of the presence of concomitant intracranial artery occlusion for patients with acute ischemic stroke caused by cervical internal carotid artery steno-occlusive lesion.

scholarly journals Influence of carotid tortuosity on internal carotid artery access time in the treatment of acute ischemic stroke

2017 ◽  
Vol 23 (6) ◽  
pp. 583-588 ◽  
Author(s):  
ZO Kaymaz ◽  
O Nikoubashman ◽  
MA Brockmann ◽  
M Wiesmann ◽  
C Brockmann
Keyword(s):  
Ischemic Stroke ◽  
Carotid Artery ◽  
Internal Carotid Artery ◽  
Acute Ischemic Stroke ◽  
Common Carotid Artery ◽  
Internal Carotid ◽  
Mechanical Thrombectomy ◽  
Left Common Carotid Artery ◽  
Access Time ◽  
Vessel Tortuosity

Purpose Carotid artery anatomy is thought to influence internal carotid artery access time (ICA-AT) in patients requiring mechanical thrombectomy for acute ischemic stroke. This study investigates the association between ICA-AT and carotid anatomy. Material and methods Computed tomography angiography (CTA) data of 76 consecutive patients presenting with acute ischemic stroke requiring mechanical thrombectomy for middle cerebral artery or carotid T occlusion were evaluated. The supraaortic extracranial vasculature was analyzed regarding take-off angles and curvature of the affected side. Digital subtraction angiography data were primarily analyzed regarding ICA-AT and secondarily regarding recanalization time and radiographic result. Results ICA-AT was significantly influenced by vessel tortuosity. Take-off angle of the left common carotid artery ( p = 0.001) and the brachiocephalic trunk ( p = 0.002) as well as the tortuosity of the common carotid artery ( p = 0.002) had highest impact on ICA-AT. For recanalization time, however, we found only the take-off angle of the left common carotid artery to be of significance ( p = 0.020). There was a tendency for ICA-AT to correlate with successful (mTICI ≥ 2 b) revascularization (average time of successful results was 24.3 minutes, of unsuccessful was 35.6 minutes; p = 0.065). Every evaluated segment with less carotid tortuosity showed a carotid AT below 25 minutes. Conclusion Supraaortic vessel tortuosity significantly influences ICA-AT in mechanical thrombectomy for an acute large vessel. There furthermore was a trend for lower successful recanalization rates with increasing ICA-AT.

scholarly journals Efficacy of carotid thrombus penetration with a balloon guiding catheter to fast recanalization of acute extra- and intra-cranial carotid artery tandem occlusion - a preliminary report

2018 ◽  
Vol 32 (1) ◽  
pp. 65-72
Author(s):  
Ahmed Ansari ◽  
Tomotaka Ohshima ◽  
Shunsaku Goto ◽  
Taiki Yamamoto ◽  
Kojiro Ishikawa ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Carotid Artery ◽  
Internal Carotid Artery ◽  
Carotid Artery Stenting ◽  
Preliminary Report ◽  
Internal Carotid ◽  
Anti Platelet Therapy ◽  
Tandem Occlusion ◽  
Ica Stenosis ◽  
Guiding Catheter

Abstract Acute ischemic stroke with ipsilateral Internal carotid artery (ICA) stenosis presents a great management dilemma. We present our preliminary report of retrograde retrieval of clot from middle cerebral artery (MCA) followed by delayed carotid artery stenting (CAS) with dual anti platelet therapy (DAPT).

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