Thanh N Nguyen

• Professor
• Professor at Boston University

Accurate estimate of ischemic core volume (ICV) and penumbra volume (PV) is important in decision-making for endovascular therapies (EVT) and predicting the patient’s clinical outcome. In this study, we compared the performance of a novel automated CT perfusion software UGuard and the Rapid Processing of Perfusion and Diffusion (RAPID). UGuard and...

Background and objectives: Cervical artery dissection (CeAD) is a common cause of acute ischemic stroke (AIS), especially in patients younger than 55 years, but data regarding trends and subsequent AIS risk after CeAD remain scarce. We aimed to determine national trends in CeAD admissions and examine post-CeAD risk of ischemic stroke. Methods: W...

Objective This study aimed to evaluate the association between computed tomography perfusion (CTP) parameters and outcomes in basilar artery occlusion (BAO), and to select patients with BAO who may benefit from thrombectomy. Methods We performed a post‐hoc analysis of patients from the ATTENTION trial with available admission CTP data. CTP paramet...

Purpose Diffusion Weighted Imaging (DWI) represents the infarct core in acute ischemic stroke. DWI reversibility is a phenomenon reported for the anterior circulation affecting small brain areas of the white matter. This study aims to define DWI reversibility in the posterior circulation after successful recanalization of basilar artery occlusion (...

BACKGROUND We aimed to determine whether extensive severe computed tomography (CT) hypodensity, representing blood-brain barrier injury, would be associated with a reduced benefit of endovascular therapy (EVT) in patients presenting with large core stroke. METHODS This study is an exploratory analysis of SELECT2 (Randomized Controlled Trial to Opt...

Background and aims. Mechanical thrombectomy (MT) is an effective treatment for acute ischemic stroke due to large vessel occlusion (LVO). Atrial fibrillation (AF) can be known before the stroke (or prevalent AF) or be newly detected after stroke (post-stroke AF). Inflammation plays a critical role in the pathogenesis of post-stroke AF making infla...

BACKGROUND Transvenous embolization (TVE) is a new treatment of brain arteriovenous malformations (AVMs). The safety and efficacy of TVE have not been compared with transarterial embolization (TAE). The primary hypothesis of this trial was that TVE would increase the proportion of AVM occlusion from 40% to 80%. METHODS The TATAM (Transvenous Appro...

BACKGROUND Patients presenting with cervical artery dissection (CAD) are at risk for subsequent ischemic events. We aimed to identify characteristics that are associated with increased risk of ischemic stroke after initial presentation of CAD and to evaluate the differential impact of anticoagulant versus antiplatelet therapy in these high-risk ind...

Background Recent trials of endovascular thrombectomy (EVT) for acute distal medium vessel occlusions (DMVOs) were negative but also used inconsistent imaging-based inclusion criteria, whereas many successful large vessel occlusion (LVO) EVT trials used empirically validated CT perfusion-based target mismatch (TMM) criteria: an ischemic penumbra (t...

Background: Distal medium vessel occlusions (MeVO) account for an estimated 25% to 40% of all acute ischemic strokes. Emerging evidence from non-randomized trials suggest that endovascular thrombectomy (EVT) can achieve high rates of successful reperfusion in MeVO strokes, with a safety profile comparable to EVT for proximal arterial occlusions. Th...

Purpose Mechanical thrombectomy (MT) with emergent carotid artery stenting (eCAS) has been suggested to provide greater benefits for patients with tandem lesions (TL), but there is uncertainty about the most appropriate peri-procedural antiplatelet therapy for patients at higher risk of brain hemorrhage. This study aimed to assess the safety of int...

Background and Purpose Intraarterial thrombolysis (IAT) has been sporadically used as an adjunct to mechanical thrombectomy (MT) in acute ischemic stroke patients for nearly two decades to improve distal arterial and microvascular perfusion even in patients with near complete or complete recanalization. Methods We provide an overall narrative revi...

Background Cerebral microbleeds (CMB) signal cerebral small vessel disease and are associated with ischemic stroke. While illicit drug use (IDU) is linked to cerebral vasculopathy, the association between CMB and IDU is poorly characterized. Aims Our primary aim was to explore the relationship between IDU and CMB and delineate differences in vascu...

This phase II, randomized, double blinded, multi-center study aims to explore whether intravenous edaravone dexborneol (ED) could improve clinical outcomes in patients with anterior circulation stroke with successful endovascular reperfusion (ClinicalTrials.gov: NCT04667637). Eligible patients were randomly (1:1) assigned into ED, which received in...

Background Mechanical thrombectomy (MT) is established as an effective treatment for large vessel occlusion strokes, but its efficacy and safety for medium vessel occlusions (MeVOs) remain less clear. This study examines the impact of periprocedural embolization to a new vascular territory (ENT) on clinical outcomes in patients with MeVO stroke tre...

Background Recent randomized clinical trials of endovascular therapy in patients with large infarct provided new evidence in support of endovascular interventions in patients with acute ischemic stroke. The Society of Vascular and Interventional Neurology Guidelines and Practice Standards committee aims to provide up‐to‐date recommendations on focu...

Introduction Evidence regarding the benefit of endovascular therapy (EVT) in patients with acute ischemic stroke (AIS) due to isolated cervical internal carotid artery occlusion (c-ICA-O) is lacking. We assessed the outcomes and safety of EVT in patients with isolated c-ICA-O. Methods Retrospective multicenter cohort study of patients with an AIS...

BACKGROUND Endovascular therapy (EVT) has been proven effective for patients with acute ischemic stroke with large infarcts. This study aimed to explore the impact of clinical severity on the efficacy of EVT in such patients. METHODS This was a post hoc analysis of the ANGEL-ASPECT trial (Endovascular Therapy in Acute Anterior Circulation Large Ve...

Introduction: The role of endovascular thrombectomy (EVT) for acute extra-large ischemic stroke patients with large vessel occlusion (LVO) is uncertain. We aimed to explore the clinical and safety outcomes of medical management (MM) plus EVT (EVT group) versus MM alone (MM group) among acute extra-large ischemic stroke patients with LVO within 24...

Background Restenosis after stenting with a standard bare-metal stent (BMS) is the main cause of stroke recurrence for symptomatic intracranial atherosclerotic stenosis (sICAS). Whether a drug-coated balloon (DCB) could reduce the risk of restenosis for such patients is unknown. We aimed to investigate the efficacy and safety of DCB in reducing 6 m...

Purpose This is a description of the main middle cerebral artery (MCA) anomalies from the neuroradiological and embryological point of view, discussing the practical implications and the association with other vascular diseases. Methods Among the patients who underwent digital subtraction angiography (DSA) at our institution in a short time period...

Background Although intravenous thrombolysis (IVT) is safe and effective in populations with general stroke, its impact on cervical artery dissection–related acute ischemic stroke (CeAD‐AIS) remains unclear. This retrospective study used the National Inpatient Sample to compare outcomes in patients with CeAD‐AIS treated with and without IVT. Metho...

BACKGROUND: Endovascular therapy (EVT) has been proved to benefit patients with acute large vessel occlusion (LVO) with large infarcts, but it is unknown whether the benefit isaffected by the interhospital-transfer status. We investigated the efficacy of EVT according to the interhospital-transfer status in such patients. METHODS: This was a second...

Objectives Animal studies have suggested that valproic acid (VPA) is neuroprotective in aneurysmal subarachnoid hemorrhage (SAH). However, the effect of VPA on SAH outcomes in humans has not been investigated. Methods We conducted a retrospective analysis of 123 patients with nontraumatic SAH. Eighty-seven patients had an aneurysmal source and 36...

Background Reperfusion therapies, such as intravenous thrombolysis (IVT) and endovascular thrombectomy (EVT), are crucial for improving outcomes in patients with acute ischemic stroke (AIS). However, access to these treatments can vary significantly due to ethnicity, socioeconomic status (SES), and geographical location, impacting patient outcomes....

Background Functional outcomes in patients with acute ischemic stroke (AIS) with large vessel occlusion (LVO) undergoing endovascular treatment (EVT) with successful reperfusion (expanded Thrombolysis In Cerebral Infarction (eTICI) 2b-3) complicated by symptomatic intracranial hemorrhage (sICH) were compared with patients with unsuccessful reperfus...

BACKGROUND Patients with heart failure (HF) treated with mechanical thrombectomy (MT) for acute ischemic stroke were underrepresented in clinical trials on MT. Our systematic review and meta‐analysis aim to assess differences in outcomes between patients with HF and their counterparts without HF treated with MT for acute ischemic stroke. METHODS A...

Importance Patients with acute ischemic stroke (AIS) due to intracranial internal carotid artery (ICA) occlusion often have poor functional outcomes despite undergoing endovascular thrombectomy (EVT). Objective To investigate the effectiveness and safety associated with intravenous methylprednisolone as adjunctive treatment to EVT for patients wit...

Introduction: Malignancy represents an important subgroup of embolic stroke of undetermined source (ESUS). We aim to compare infarct features, potential embolic sources, and long-term outcomes in ESUS patients with and without malignancy. Methods: In this pre-specified secondary analysis of the Cardiac Abnormalities in Stroke Prevention and Recurre...

Introduction: Preliminary results demonstrated positive outcomes with the adjunct use of IV antiplatelets in patients presenting with large vessel occlusion secondary to underlying intracranial atherosclerosis (ICAS-LVO) undergoing mechanical thrombectomy (MT). We aimed to assess the outcomes of this approach in a prospective registry. Methods: Thi...

Introduction: The risk of recurrent atherosclerotic vascular events in patients with stroke due to intracranial atherosclerotic disease (ICAD) is high, and can be reduced with aggressive medical management. Novel lipid-lowering therapies such as proprotein convertase subtilisin/kexin type 9 inhibitors (PCSK9i) can dramatically lower low-density lip...

Background: There are limited therapy options in case of failed reperfusion after stent-retriever and/or aspiration based endovascular treatment (EVT) for acute ischemic stroke. Despite the absence of data supporting its use, rescue angioplasty (RA; with or without stent implantation) is often utilized in such cases. Studies are limited to large ve...

Background: Multiple randomized clinical trials failed to show benefit of anticoagulation over antiplatelets in the secondary prevention for embolic stroke of undetermined source (ESUS). However, the benefit of combination antithrombotic regimens remains unexplored in the same patient population. Methods: This is a subgroup analysis of a multicente...

Introduction: The safety and efficacy of intravenous thrombolysis (IVT) in cervical artery dissection-related acute ischemic stroke (CeAD-AIS) remains unclear. We performed a retrospective study of data from the National Inpatient Sample investigating outcomes in CeAD-AIS patients treated with and without IVT. Methods: We included adult patients wi...

Introduction: Eligibility for clinical trial enrollment is often determined by site investigators with subsequent re-adjudication by an imaging core lab. We sought to assess the differences between site-investigator reported CT ASPECTS with core lab adjudication, and how these differences affected trial eligibility and endovascular thrombectomy (EV...

Background: The volume of mechanical thrombectomy (MT) performed at hospitals is used as one of the criteria for advanced level designation for stroke care. Objective: Our study sought to determine the relationship between annual MT procedural volume and in-hospital outcomes in acute ischemic stroke patients undergoing MT in the United States. Meth...

Background and Purpose: Intra-arterial thrombolysis as an adjunct to mechanical thrombectomy is increasingly being considered to enhance reperfusion in acute ischemic stroke patients. Intra-arterial thrombolysis may increase the risk of post-thrombectomy intracerebral hemorrhage (ICH) in certain patient subgroups. Methods: We analyzed acute ischemi...

Background: Intracranial Atherosclerosis carries a high recurrence rate. Single center studies have shown that impaired distal perfusion is a driver of early recurrence. In this study, we aim to identify predictors of 30-day ischemic stroke recurrence in a multicenter cohort. Methods: This is a pooled analysis of individual patient data from four c...

Background: Left ventricular (LV) injury is a cardioembolic etiology of ischemic stroke. We aimed to 1) evaluate recurrent stroke risk among patients with cryptogenic stroke and LV injury, and 2) determine if there is a treatment effect with anticoagulation in this population. Methods: We analyzed the multicenter, retrospective Cardiac Abnormalitie...

Background: Cervical artery dissection (CeAD) accounts for a quarter of strokes in young adults. Clinical presentation is often non-specific, leading to a significant proportion of cases being misdiagnosed. This study aims to identify factors contributing to potential misdiagnosis and to assess the impact of misdiagnosis on patient outcomes. Method...

Background: Migraine with aura (MA) is recognized as an independent risk factor for acute ischemic stroke (AIS). However, the short-term risk of stroke, particularly within 90 days of hospitalization, has not been thoroughly evaluated on a national scale. This study aims to address this gap by examining the association between MA and 90-day AIS rea...

BACKGROUND: A minority of patients with stroke qualify for intravenous thrombolysis (IVT) within 4.5-hour window. The safety and efficacy of IVT beyond this period have not been well studied. METHODS: We systematically searched MEDLINE, Embase, Cochrane, and ClinicalTrials.gov for relevant randomized clinical trials. Randomized clinical trials comp...

Background: The optimal endovascular management of cervical carotid dissection causing tandem occlusion remains uncertain. We investigated the impact of emergent carotid stenting during endovascular treatment (EVT) for acute ischemic stroke (AIS) in patients with tandem occlusion secondary to cervical carotid artery dissection. Methods: This was a...

Background Previous studies have shown that when thrombectomy has failed, rescue intracranial stenting is associated with better clinical outcomes compared with failed reperfusion. However, comparative data regarding stent type are lacking. Objective To compare the procedural and clinical outcomes of balloon-mounted stents (BMS) with those of self...

Background: Acute ischemic stroke (AIS) from distal medium vessel occlusion (DMVO) presents unique treatment challenges. Mechanical thrombectomy (MT) is emerging as a viable option for these patients, yet the role of pre-stroke aspirin treatment is unclear. This study evaluates the impact of pre-stroke low-dose aspirin on outcomes in DMVO patients...

Background and objectives: Although previous trials have established the efficacy and safety of endovascular thrombectomy (EVT) in large ischemic core strokes, most of them excluded patients with extracranial internal carotid artery (e-ICA) occlusion. We aimed to compare outcomes in patients with e-ICA occlusion and large ischemic core infarcts tr...

BACKGROUND Venous sinus stenting (VSS) is increasingly performed for managing venous sinus stenosis associated with refractory idiopathic intracranial hypertension and/or pulsatile tinnitus. The Monopoint System (MS; Route 92 Medical, San Mateo, CA) is a telescoping catheter system with a single point of control outside the body, consisting of an 8...

Background Current randomized controlled trials are investigating the efficacy and safety of mechanical thrombectomy (MT) in patients with medium vessel occlusion (MeVO) stroke. Whether best medical management (MM) is more efficient than unsuccessful vessel recanalization during MT remains unknown. Methods This was a retrospective cohort study usi...

Background Mechanical thrombectomy (MT) significantly improves outcomes in patients with acute ischemic stroke due to large vessel occlusion. There is limited understanding of how the site of hospital readmission after MT influences patient outcomes. Addressing this gap may be important for optimizing post-MT care and improving long-term outcomes f...

Mechanical thrombectomy (MT) efficacy in medium vessel occlusion (MeVO) stroke, particularly in patients with low Alberta Stroke Program Early Computed Tomography Score (ASPECTS), remains less explored. This retrospective study analyzed data from 443 AIS patients treated with MT for MeVO and low ASPECTS (4–7) at 37 centers across North America, Asi...

Objective To assess whether intra-arterial tenecteplase administered after successful endovascular recanalisation improves outcomes in patients with acute arterial occlusion of the posterior circulation. Design Multicentre randomised controlled trial. Setting 31 hospitals in China, 24 January 2023 to 24 August 2023. Participants 208 patients wit...

Importance The impact of adjunctive intra-arterial tenecteplase administration following near-complete to complete reperfusion by endovascular thrombectomy (EVT) for acute ischemic stroke is unknown. Objective To assess the efficacy and adverse events of adjunctive intra-arterial tenecteplase in patients with large vessel occlusion stroke who had...

Importance Persisting or new thrombi in the distal arteries and the microcirculation have been reported to limit the benefits of successful endovascular thrombectomy for patients with acute ischemic stroke. It remains uncertain whether intra-arterial thrombolysis by urokinase following near-complete to complete reperfusion by thrombectomy improves...

BACKGROUND Approximately half of the patients with acute ischemic stroke who receive intravenous thrombolysis (IVT) do not achieve an excellent outcome. Remote ischemic conditioning (RIC) as a promising neuroprotective treatment may improve clinical outcomes in this population. This study aimed to assess the efficacy and safety of RIC in patients w...

BACKGROUND Recent studies suggest that the use of adjunctive intraarterial alteplase after mechanical thrombectomy (MT) may improve outcomes; however, there are limited data on the use of intraarterial tenecteplase, a newer-generation lytic, in this acute ischemic stroke patient population. Here, we evaluate the use of intraarterial tenecteplase in...

Background Randomized controlled trials have demonstrated the efficacy and safety of endovascular thrombectomy (EVT) in patients with acute large vessel occlusion stroke. However, its long-term benefits remain uncertain. Therefore, this study aimed to investigate the long-term clinical outcomes of EVT. Methods We searched PubMed, Embase, Cochrane...

Background Mechanical thrombectomy (MT) is the standard of care for eligible acute ischemic stroke (AIS) patients with large vessel occlusion (LVO) since 2015. Aim Our aim was to determine the key challenges for MT implementation and access worldwide. Methods We conducted an international online survey consisting of 37 questions, distributed thro...

Background There are limited therapeutic options in cases of failed reperfusion (modified thrombolysis in cerebral infarction [mTICI] score < 2b) after stent-retriever and/or aspiration based endovascular treatment (EVT) for acute ischemic stroke. Despite the absence of data supporting its use, rescue therapy (balloon angioplasty and/or stent impla...

Background Transverse sinus stenosis (TSS) and sigmoid sinus wall anomalies (SSWAs) are the most common causes of pulsatile tinnitus (PT). While these conditions may co-occur, they usually require different management approaches. This study aims to evaluate whether TSS stenting alone, without targeted treatment of SSWAs, is sufficient to resolve PT...

BACKGROUND Several social and biological factors are shown to differentially affect stroke outcomes between men and women. We evaluated whether clinical outcomes and endovascular thrombectomy (EVT) treatment effects differed between the sexes in patients presenting with large ischemic stroke. METHODS The SELECT2 trial (A Randomized Controlled Tria...

Introduction: Prehospital stroke scales have been developed to identify anterior large vessel occlusion (LVO) in acute ischemic stroke (AIS) patients for direct transport to thrombectomy-capable hospitals. However, its performance in a Vietnamese population remains unknown. We aimed to evaluate the predictive value of the Rapid Arterial oCclusion...

Objective Among patients with large vessel occlusion (LVO) and large ischemic cores, critical decisions often need to be made about decompressive hemicraniectomy (DHC) or early withdrawal of life‐sustaining therapy (WLST). In this study, we aimed to evaluate utilization of DHC and early WLST and factors associated with them in patients with large s...

BACKGROUND Currently, validated biomarkers for assessing hemorrhagic transformation (HT) after intravenous thrombolysis (IVT) are lacking. We aimed to validate a test combining GFAP (glial fibrillary acidic protein) and UCH-L1 (ubiquitin C-terminal hydrolase-L1) to indicate the absence of HT after IVT. METHODS We prospectively enrolled consecutive...

Background and objectives: Randomized trials have proven the benefit of endovascular therapy (EVT) for acute large ischemic stroke. This study was to characterize the effect of time to treatment on benefit of EVT vs medical management (MM) among patients with large ischemic stroke. Methods: This was a post hoc analysis of the Endovascular Therap...

Background Clinically ineffective reperfusion (CIR) refers to the discrepancy between successful reperfusion and a favorable functional outcome in patients with large vessel occlusion (LVO) stroke after endovascular treatment (EVT). The Improving Neuroprotective Strategy for Ischemic Stroke with Sufficient Recanalization after Thrombectomy by Intra...

Purpose of review Advances in intravenous thrombolysis and endovascular thrombectomy have significantly reduced disability and improved outcomes associated with acute ischemic stroke. Recent findings An expansion of indications for reperfusion therapies in select groups of patients to permit treatment in an extended time window, with large ischemi...

Background Isolated anterior cerebral artery occlusions (ACAo) in patients with acute ischemic stroke present significant challenges due to their rarity. The efficacy and safety of endovascular therapy (EVT) in comparison with best medical therapy (BMT) for ACAo remains unclear. This study aimed to assess the outcomes of these treatments. Methods...

Background: Underlying intracranial stenosis is the most common cause of failed mechanical thrombectomy in acute ischemic stroke patients with large vessel occlusion. Adjunct emergent stenting is sometimes performed to improve or maintain reperfusion, despite limited data regarding its safety or efficacy. Methods: We conducted a prospective multice...

Background: Cerebral venous thrombosis (CVT) accounts for 0.5-1% of all strokes. The role of endovascular therapy (EVT) in the management of CVT remains controversial and variations in practice patterns are not well known. Aims: Here, we present a comprehensive, international characterization of practice patterns and perspectives on the use of EVT...

Background: We aimed to investigate whether rescue stenting (RS) following failed mechanical thrombectomy (MT) for acute basilar artery occlusion (BAO) results in superior functional outcomes and enhanced safety compared to the natural history of failed mechanical thrombectomy (MT). Methods: This retrospective cohort study utilized data from the PC...

Background: Adjunct intra-arterial thrombolysis has been shown to potentially improve clinical outcomes in patients with large vessel occlusion (LVO) stroke who have undergone successful endovascular thrombectomy (EVT). Tenecteplase, known for its enhanced fibrin specificity and extended activity duration, may be a better choice than alteplase for...

Background and objectives: Although dexmedetomidine (DEX) is widely administered during endovascular treatment (EVT) to enhance procedural adherence of patients with acute ischemic stroke (AIS) with large vessel occlusion, there is limited research on the association of DEX and outcomes among these patients. Hence, this study aimed to explore the...

Background: Adjunct intra-arterial thrombolysis has been shown to potentially improve clinical outcomes in patients with large vessel occlusion (LVO) stroke who have undergone successful endovascular thrombectomy (EVT). Tenecteplase, known for its enhanced fibrin specificity and extended activity duration, may be a better choice than alteplase for...

Cerebral ischemic injury occurs when blood flow drops below a critical level, resulting in an energy failure. The progressive transformation of hypoperfused viable tissue, the ischemic penumbra, into infarction is a mechanism shared by patients with ischemic stroke if timely reperfusion is not achieved. Yet, the pace at which this transformation oc...

Background and Purpose The outcomes of endovascular therapy (EVT) across sexes for large infarcts remains unclear. This study aimed to evaluate the impact of sex on the outcomes of EVT for patients with large infarct. Methods In this secondary analysis of the ANGEL-ASPECT trial, we compared baseline characteristics and clinical outcomes between men...

Background Growing evidence suggests that direct oral anticoagulants (DOACs) may be suitable for cerebral venous thrombosis (CVT). The optimal strategy regarding lead-in parenteral anticoagulation (PA) prior to DOAC is unknown. Methods In this post hoc analysis of the retrospective ACTION-CVT study, we compared patients treated with DOACs as part...

Background Recent trials confirmed the efficacy and safety of endovascular thrombectomy in patients with low Alberta Stroke Program Early Computed Tomography Score (ASPECTS); however, evidence in tandem lesions is limited. This study evaluates endovascular thrombectomy safety and efficacy in patients with acute large‐vessel occlusion with tandem le...

Endovascular thrombectomy (EVT) was shown to be safe and efficacious in patients with large core stroke in multiple randomized controlled trials. However, the impact of reperfusion and other procedural metrics on EVT outcomes in this population has not been well‐characterized. Methods From the SELECT2 trial, we evaluated the association between re...

Background The volume of mechanical thrombectomy (MT) performed at hospitals is used as one of the criteria for advanced-level designation for stroke care. Objective Our study sought to determine the relationship between annual MT procedural volume and in-hospital outcomes in acute ischemic stroke patients undergoing MT in the United States. Meth...

Background Intravenous thrombolysis (IVT) is the cornerstone treatment for the acute ischemic stroke (AIS) within 4.5 h after onset. Current guidelines recommend administering antiplatelet medications 24 h after IVT. However, vascular reocclusion is a common occurrence after IVT. Tirofiban, a platelet glycoprotein IIb/IIIa antagonist, can help dete...

Background First‐pass successful reperfusion (FPSR), defined as a successful/complete reperfusion achieved after a single thrombectomy pass, is predictive of favorable outcome in patients with acute ischemic stroke with large‐vessel occlusion. It is unknown whether intravenous tirofiban is effective in increasing the rate of FPSR in acute anterior...

Introduction Intracranial atherosclerosis (ICAS) is estimated to cause 10‐15% of large‐vessel occlusions (LVOs) in stroke. The prospective Registry of Emergent Large Vessel Occlusion Due to Intracranial Stenosis (RESCUE‐ICAS) demonstrated better outcomes in patients undergoing adjuvant acute stenting of the underlying ICAS plaque than in those who...